Provided by: cmake_2.8.12.2-0ubuntu3_amd64 bug

NAME

         ctest - Testing driver provided by CMake.

USAGE

         ctest [options]

DESCRIPTION

       The  "ctest"  executable  is  the  CMake test driver program.  CMake-generated build trees
       created for projects that use  the  ENABLE_TESTING  and  ADD_TEST  commands  have  testing
       support.  This program will run the tests and report results.

OPTIONS

       -C <cfg>, --build-config <cfg>
              Choose configuration to test.

              Some CMake-generated build trees can have multiple build configurations in the same
              tree.  This option can be used to specify which  one  should  be  tested.   Example
              configurations are "Debug" and "Release".

       -V,--verbose
              Enable verbose output from tests.

              Test output is normally suppressed and only summary information is displayed.  This
              option will show all test output.

       -VV,--extra-verbose
              Enable more verbose output from tests.

              Test output is normally suppressed and only summary information is displayed.  This
              option will show even more test output.

       --debug
              Displaying more verbose internals of CTest.

              This  feature  will  result  in  a large number of output that is mostly useful for
              debugging dashboard problems.

       --output-on-failure
              Output anything outputted by the test program if the test should fail.  This option
              can also be enabled by setting the environment variable CTEST_OUTPUT_ON_FAILURE

       -F     Enable failover.

              This  option  allows  ctest  to  resume  a  test  set execution that was previously
              interrupted.  If no interruption occurred, the -F option will have no effect.

       -j <jobs>, --parallel <jobs>
              Run the tests in parallel using thegiven number of jobs.

              This option tells ctest to run the tests in parallel using given  number  of  jobs.
              This   option   can   also   be   set   by   setting   the   environment   variable
              CTEST_PARALLEL_LEVEL.

       -Q,--quiet
              Make ctest quiet.

              This option will suppress all the  output.  The  output  log  file  will  still  be
              generated   if   the   --output-log   is  specified.  Options  such  as  --verbose,
              --extra-verbose, and --debug are ignored if --quiet is specified.

       -O <file>, --output-log <file>
              Output to log file

              This option tells ctest to write all its output to a log file.

       -N,--show-only
              Disable actual execution of tests.

              This option tells ctest to list the tests that would be run but  not  actually  run
              them.  Useful in conjunction with the -R and -E options.

       -L <regex>, --label-regex <regex>
              Run tests with labels matching regular expression.

              This  option tells ctest to run only the tests whose labels match the given regular
              expression.

       -R <regex>, --tests-regex <regex>
              Run tests matching regular expression.

              This option tells ctest to run only the tests whose names match the  given  regular
              expression.

       -E <regex>, --exclude-regex <regex>
              Exclude tests matching regular expression.

              This  option  tells  ctest to NOT run the tests whose names match the given regular
              expression.

       -LE <regex>, --label-exclude <regex>
              Exclude tests with labels matching regular expression.

              This option tells ctest to NOT run the tests whose labels match the  given  regular
              expression.

       -D <dashboard>, --dashboard <dashboard>
              Execute dashboard test

              This  option  tells ctest to act as a Dart client and perform a dashboard test. All
              tests are <Mode><Test>, where Mode can be Experimental,  Nightly,  and  Continuous,
              and Test can be Start, Update, Configure, Build, Test, Coverage, and Submit.

       -D <var>:<type>=<value>
              Define a variable for script mode

              Pass  in  variable  values  on the command line. Use in conjunction with -S to pass
              variable values to a dashboard script. Parsing -D arguments as variable  values  is
              only  attempted if the value following -D does not match any of the known dashboard
              types.

       -M <model>, --test-model <model>
              Sets the model for a dashboard

              This option tells ctest to act  as  a  Dart  client  where  the  TestModel  can  be
              Experimental, Nightly, and Continuous. Combining -M and -T is similar to -D

       -T <action>, --test-action <action>
              Sets the dashboard action to perform

              This  option  tells  ctest  to act as a Dart client and perform some action such as
              start, build, test etc. Combining -M and -T is similar to -D

       --track <track>
              Specify the track to submit dashboard to

              Submit dashboard to specified  track  instead  of  default  one.  By  default,  the
              dashboard  is  submitted  to  Nightly,  Experimental,  or  Continuous track, but by
              specifying this option, the track can be arbitrary.

       -S <script>, --script <script>
              Execute a dashboard for a configuration

              This option tells ctest to load in a configuration script which sets  a  number  of
              parameters  such  as  the binary and source directories. Then ctest will do what is
              required to create and run a dashboard. This option basically sets up  a  dashboard
              and then runs ctest -D with the appropriate options.

       -SP <script>, --script-new-process <script>
              Execute a dashboard for a configuration

              This  option  does  the  same  operations  as  -S but it will do them in a separate
              process. This is primarily  useful  in  cases  where  the  script  may  modify  the
              environment  and  you  do  not  want  the  modified  environment to impact other -S
              scripts.

       -A <file>, --add-notes <file>
              Add a notes file with submission

              This option tells ctest to include a notes file when submitting dashboard.

       -I [Start,End,Stride,test#,test#|Test file], --tests-information
              Run a specific number of tests by number.

              This option causes ctest to run tests starting at number Start,  ending  at  number
              End, and incrementing by Stride. Any additional numbers after Stride are considered
              individual test numbers.  Start, End,or stride can be empty.  Optionally a file can
              be given that contains the same syntax as the command line.

       -U, --union
              Take the Union of -I and -R

              When  both -R and -I are specified by default the intersection of tests are run. By
              specifying -U the union of tests is run instead.

       --max-width <width>
              Set the max width for a test name to output

              Set the maximum width for each test name to show in the output.   This  allows  the
              user  to  widen  the  output  to  avoid  clipping  the  test name which can be very
              annoying.

       --interactive-debug-mode [0|1]
              Set the interactive mode to 0 or 1.

              This option causes  ctest  to  run  tests  in  either  an  interactive  mode  or  a
              non-interactive  mode.  On  Windows  this  means  that in non-interactive mode, all
              system debug pop up windows are blocked. In dashboard mode (Experimental,  Nightly,
              Continuous),  the  default  is  non-interactive.  When just running tests not for a
              dashboard the default is to allow popups and interactive debugging.

       --no-label-summary
              Disable timing summary information for labels.

              This option tells ctest not to print summary information for each label  associated
              with the tests run. If there are no labels on the tests, nothing extra is printed.

       --build-and-test
              Configure, build and run a test.

              This  option  tells ctest to configure (i.e. run cmake on), build, and or execute a
              test. The configure and test steps are optional. The arguments to this command line
              are  the  source  and  binary  directories.  By  default this will run CMake on the
              Source/Bin  directories  specified  unless  --build-nocmake  is   specified.   Both
              --build-makeprogram and --build-generator MUST be provided to use --build-and-test.
              If --test-command is specified then that will be run after the build  is  complete.
              Other   options   that   affect   this  mode  are  --build-target  --build-nocmake,
              --build-run-dir,                --build-two-config,                --build-exe-dir,
              --build-project,--build-noclean, --build-options

       --build-target
              Specify a specific target to build.

              This  option  goes  with the --build-and-test option, if left out the all target is
              built.

       --build-nocmake
              Run the build without running cmake first.

              Skip the cmake step.

       --build-run-dir
              Specify directory to run programs from.

              Directory where programs will be after it has been compiled.

       --build-two-config
              Run CMake twice

       --build-exe-dir
              Specify the directory for the executable.

       --build-generator
              Specify the generator to use.

       --build-generator-toolset
              Specify the generator-specific toolset.

       --build-project
              Specify the name of the project to build.

       --build-makeprogram
              Specify the make program to use.

       --build-noclean
              Skip the make clean step.

       --build-config-sample
              A sample executable to use to determine the configuration

              A sample executable to use to determine the configuration that should be used. e.g.
              Debug/Release/etc

       --build-options
              Add extra options to the build step.

              This option must be the last option with the exception of --test-command

       --test-command
              The test to run with the --build-and-test option.

       --test-timeout
              The time limit in seconds, internal use only.

       --tomorrow-tag
              Nightly or experimental starts with next day tag.

              This is useful if the build will not finish in one day.

       --ctest-config
              The configuration file used to initialize CTest state when submitting dashboards.

              This   option   tells  CTest  to  use  different  initialization  file  instead  of
              CTestConfiguration.tcl. This way multiple initialization  files  can  be  used  for
              example to submit to multiple dashboards.

       --overwrite
              Overwrite CTest configuration option.

              By  default  ctest  uses configuration options from configuration file. This option
              will overwrite the configuration option.

       --extra-submit <file>[;<file>]
              Submit extra files to the dashboard.

              This option will submit extra files to the dashboard.

       --force-new-ctest-process
              Run child CTest instances as new processes

              By default CTest will run child CTest instances within the same  process.  If  this
              behavior  is  not desired, this argument will enforce new processes for child CTest
              processes.

       --schedule-random
              Use a random order for scheduling tests

              This option will run the tests in a random order. It is  commonly  used  to  detect
              implicit dependencies in a test suite.

       --submit-index
              Submit individual dashboard tests with specific index

              This  option  allows performing the same CTest action (such as test) multiple times
              and submit all stages to  the  same  dashboard  (Dart2  required).  Each  execution
              requires different index.

       --timeout <seconds>
              Set a global timeout on all tests.

              This  option  will  set  a  global  timeout on all tests that do not already have a
              timeout set on them.

       --stop-time <time>
              Set a time at which all tests should stop running.

              Set a real time of day at which all tests should timeout. Example:  7:00:00  -0400.
              Any  time  format  understood  by  the  curl date parser is accepted. Local time is
              assumed if no timezone is specified.

       --http1.0
              Submit using HTTP 1.0.

              This option will force CTest to use HTTP 1.0 to  submit  files  to  the  dashboard,
              instead of HTTP 1.1.

       --no-compress-output
              Do not compress test output when submitting.

              This flag will turn off automatic compression of test output.  Use this to maintain
              compatibility with an older version of CDash which doesn't support compressed  test
              output.

       --print-labels
              Print all available test labels.

              This  option  will  not  run any tests, it will simply print the list of all labels
              associated with the test set.

       --help-command <cmd> [<file>]
              Show help for a single command and exit.

              Prints the help for the command to stdout or to the specified file.

       --help-command-list [<file>]
              List available commands and exit.

              Prints the list of all available listfile commands to stdout or the specified file.

       --help-commands [<file>]
              Print help for all commands and exit.

              Prints the help for all commands to stdout or to the specified file.

       --copyright [file]
              Print the CMake copyright and exit.

              If a file is specified, the copyright is written into it.

       --help,-help,-usage,-h,-H,/?
              Print usage information and exit.

              Usage describes the basic command line interface and its options.

       --help-full [file]
              Print full help and exit.

              Full help displays most of the documentation provided by the UNIX man page.  It  is
              provided  for  use on non-UNIX platforms, but is also convenient if the man page is
              not installed.  If a file is specified, the help is written into it.

       --help-html [file]
              Print full help in HTML format.

              This option is used by CMake authors to help produce  web  pages.   If  a  file  is
              specified, the help is written into it.

       --help-man [file]
              Print full help as a UNIX man page and exit.

              This option is used by the cmake build to generate the UNIX man page.  If a file is
              specified, the help is written into it.

       --version,-version,/V [file]
              Show program name/version banner and exit.

              If a file is specified, the version is written into it.

GENERATORS

       The following generators are available on this platform:

COMMANDS

       break  Break from an enclosing foreach or while loop.

                break()

              Breaks from an enclosing foreach loop or while loop

       build_name
              Deprecated.  Use ${CMAKE_SYSTEM} and ${CMAKE_CXX_COMPILER} instead.

                build_name(variable)

              Sets the specified variable to a string  representing  the  platform  and  compiler
              settings.    These   values   are   now  available  through  the  CMAKE_SYSTEM  and
              CMAKE_CXX_COMPILER variables.

       cmake_host_system_information
              Query host system specific information.

                cmake_host_system_information(RESULT <variable> QUERY <key> ...)

              Queries system information of the host system on which  cmake  runs.  One  or  more
              <key>  can be provided to select the information to be queried. The list of queried
              values is stored in <variable>.

              <key> can be one of the following values:

                NUMBER_OF_LOGICAL_CORES   = Number of logical cores.
                NUMBER_OF_PHYSICAL_CORES  = Number of physical cores.
                HOSTNAME                  = Hostname.
                FQDN                      = Fully qualified domain name.
                TOTAL_VIRTUAL_MEMORY      = Total virtual memory in megabytes.
                AVAILABLE_VIRTUAL_MEMORY  = Available virtual memory in megabytes.
                TOTAL_PHYSICAL_MEMORY     = Total physical memory in megabytes.
                AVAILABLE_PHYSICAL_MEMORY = Available physical memory in megabytes.

       cmake_minimum_required
              Set the minimum required version of cmake for a project.

                cmake_minimum_required(VERSION major[.minor[.patch[.tweak]]]
                                       [FATAL_ERROR])

              If the current version of CMake is lower than that required it will stop processing
              the  project  and report an error.  When a version higher than 2.4 is specified the
              command implicitly invokes

                cmake_policy(VERSION major[.minor[.patch[.tweak]]])

              which sets the cmake policy version level to the version specified.   When  version
              2.4 or lower is given the command implicitly invokes

                cmake_policy(VERSION 2.4)

              which enables compatibility features for CMake 2.4 and lower.

              The  FATAL_ERROR option is accepted but ignored by CMake 2.6 and higher.  It should
              be specified so CMake versions 2.4 and lower fail with an error instead of  just  a
              warning.

       cmake_policy
              Manage CMake Policy settings.

              As  CMake evolves it is sometimes necessary to change existing behavior in order to
              fix bugs or  improve  implementations  of  existing  features.   The  CMake  Policy
              mechanism  is  designed  to help keep existing projects building as new versions of
              CMake introduce changes in behavior.  Each new policy (behavioral change) is  given
              an  identifier  of  the  form  "CMP<NNNN>"  where  "<NNNN>"  is  an  integer index.
              Documentation associated with each policy describes the OLD and  NEW  behavior  and
              the  reason  the policy was introduced.  Projects may set each policy to select the
              desired behavior.  When CMake needs to know which behavior to use it checks  for  a
              setting  specified  by the project.  If no setting is available the OLD behavior is
              assumed and a warning is produced requesting that the policy be set.

              The cmake_policy command is used to set policies to OLD  or  NEW  behavior.   While
              setting  policies  individually is supported, we encourage projects to set policies
              based on CMake versions.

                cmake_policy(VERSION major.minor[.patch[.tweak]])

              Specify that the current CMake list file is written for the given version of CMake.
              All  policies introduced in the specified version or earlier will be set to use NEW
              behavior.  All policies introduced  after  the  specified  version  will  be  unset
              (unless  variable CMAKE_POLICY_DEFAULT_CMP<NNNN> sets a default).  This effectively
              requests behavior preferred as of a given  CMake  version  and  tells  newer  CMake
              versions to warn about their new policies.  The policy version specified must be at
              least 2.4 or the command will report an  error.   In  order  to  get  compatibility
              features supporting versions earlier than 2.4 see documentation of policy CMP0001.

                cmake_policy(SET CMP<NNNN> NEW)
                cmake_policy(SET CMP<NNNN> OLD)

              Tell  CMake  to use the OLD or NEW behavior for a given policy.  Projects depending
              on the old behavior of a given policy may silence a policy warning by  setting  the
              policy  state  to  OLD.  Alternatively one may fix the project to work with the new
              behavior and set the policy state to NEW.

                cmake_policy(GET CMP<NNNN> <variable>)

              Check whether a given policy is set to OLD or NEW behavior.   The  output  variable
              value will be "OLD" or "NEW" if the policy is set, and empty otherwise.

              CMake keeps policy settings on a stack, so changes made by the cmake_policy command
              affect only the top of the stack.  A new entry  on  the  policy  stack  is  managed
              automatically  for  each  subdirectory  to protect its parents and siblings.  CMake
              also manages a new  entry  for  scripts  loaded  by  include()  and  find_package()
              commands  except  when  invoked  with  the  NO_POLICY_SCOPE option (see also policy
              CMP0011).  The cmake_policy command provides an interface to manage custom  entries
              on the policy stack:

                cmake_policy(PUSH)
                cmake_policy(POP)

              Each  PUSH  must  have a matching POP to erase any changes.  This is useful to make
              temporary changes to policy settings.

              Functions and macros record policy settings when  they  are  created  and  use  the
              pre-record policies when they are invoked.  If the function or macro implementation
              sets policies, the changes automatically propagate up through  callers  until  they
              reach the closest nested policy stack entry.

       configure_file
              Copy a file to another location and modify its contents.

                configure_file(<input> <output>
                               [COPYONLY] [ESCAPE_QUOTES] [@ONLY]
                               [NEWLINE_STYLE [UNIX|DOS|WIN32|LF|CRLF] ])

              Copies  a  file <input> to file <output> and substitutes variable values referenced
              in the file content.  If <input> is a relative path it is evaluated with respect to
              the  current  source  directory.   The <input> must be a file, not a directory.  If
              <output> is a relative path it is evaluated with  respect  to  the  current  binary
              directory.   If  <output>  names  an existing directory the input file is placed in
              that directory with its original name.

              If the <input> file is modified the build system will re-run CMake to  re-configure
              the file and generate the build system again.

              This command replaces any variables in the input file referenced as ${VAR} or @VAR@
              with their values as determined by CMake.  If a variable is not defined, it will be
              replaced  with  nothing.  If COPYONLY is specified, then no variable expansion will
              take place.  If ESCAPE_QUOTES is specified then  any  substituted  quotes  will  be
              C-style  escaped.   The  file  will  be configured with the current values of CMake
              variables. If @ONLY is specified, only variables of the form @VAR@ will be replaced
              and  ${VAR}  will  be  ignored.   This  is  useful for configuring scripts that use
              ${VAR}.

              Input file lines of the form "#cmakedefine VAR ..." will be  replaced  with  either
              "#define VAR ..." or "/* #undef VAR */" depending on whether VAR is set in CMake to
              any value not considered a false constant by the if() command. (Content  of  "...",
              if  any,  is processed as above.) Input file lines of the form "#cmakedefine01 VAR"
              will be replaced with either "#define VAR 1" or "#define VAR 0" similarly.

              With NEWLINE_STYLE the line ending could be adjusted:

                  'UNIX' or 'LF' for \n, 'DOS', 'WIN32' or 'CRLF' for \r\n.

              COPYONLY must not be used with NEWLINE_STYLE.

       ctest_build
              Build the project.

                ctest_build([BUILD build_dir] [TARGET target] [RETURN_VALUE res]
                            [APPEND][NUMBER_ERRORS val] [NUMBER_WARNINGS val])

              Builds the given build directory and stores results in Build.xml. If  no  BUILD  is
              given, the CTEST_BINARY_DIRECTORY variable is used.

              The  TARGET  variable can be used to specify a build target.  If none is specified,
              the "all" target will be built.

              The RETURN_VALUE option specifies a variable in which to store the return value  of
              the  native  build  tool.  The  NUMBER_ERRORS  and  NUMBER_WARNINGS options specify
              variables in which to store the number of build errors and warnings detected.

              The APPEND option marks results for append  to  those  previously  submitted  to  a
              dashboard  server  since the last ctest_start.  Append semantics are defined by the
              dashboard server in use.

       ctest_configure
              Configure the project build tree.

                ctest_configure([BUILD build_dir] [SOURCE source_dir] [APPEND]
                                [OPTIONS options] [RETURN_VALUE res])

              Configures the given build directory and stores results  in  Configure.xml.  If  no
              BUILD is given, the CTEST_BINARY_DIRECTORY variable is used. If no SOURCE is given,
              the CTEST_SOURCE_DIRECTORY variable is used. The OPTIONS argument specifies command
              line arguments to pass to the configuration tool. The RETURN_VALUE option specifies
              a variable in which to store the return value of the native build tool.

              The APPEND option marks results for append  to  those  previously  submitted  to  a
              dashboard  server  since the last ctest_start.  Append semantics are defined by the
              dashboard server in use.

       ctest_coverage
              Collect coverage tool results.

                ctest_coverage([BUILD build_dir] [RETURN_VALUE res] [APPEND]
                               [LABELS label1 [label2 [...]]])

              Perform  the  coverage  of  the  given  build  directory  and  stores  results   in
              Coverage.xml. The second argument is a variable that will hold value.

              The  LABELS option filters the coverage report to include only source files labeled
              with at least one of the labels specified.

              The APPEND option marks results for append  to  those  previously  submitted  to  a
              dashboard  server  since the last ctest_start.  Append semantics are defined by the
              dashboard server in use.

       ctest_empty_binary_directory
              empties the binary directory

                ctest_empty_binary_directory( directory )

              Removes a binary directory. This command will perform some checks prior to deleting
              the directory in an attempt to avoid malicious or accidental directory deletion.

       ctest_memcheck
              Run tests with a dynamic analysis tool.

                ctest_memcheck([BUILD build_dir] [RETURN_VALUE res] [APPEND]
                           [START start number] [END end number]
                           [STRIDE stride number] [EXCLUDE exclude regex ]
                           [INCLUDE include regex]
                           [EXCLUDE_LABEL exclude regex]
                           [INCLUDE_LABEL label regex]
                           [PARALLEL_LEVEL level] )

              Tests  the  given  build  directory  and stores results in MemCheck.xml. The second
              argument is a variable that will  hold  value.  Optionally,  you  can  specify  the
              starting test number START, the ending test number END, the number of tests to skip
              between each test STRIDE, a regular expression for  tests  to  run  INCLUDE,  or  a
              regular  expression  for  tests not to run EXCLUDE. EXCLUDE_LABEL and INCLUDE_LABEL
              are regular expressions for tests to be included or excluded by the  test  property
              LABEL. PARALLEL_LEVEL should be set to a positive number representing the number of
              tests to be run in parallel.

              The APPEND option marks results for append  to  those  previously  submitted  to  a
              dashboard  server  since the last ctest_start.  Append semantics are defined by the
              dashboard server in use.

       ctest_read_custom_files
              read CTestCustom files.

                ctest_read_custom_files( directory ... )

              Read all the CTestCustom.ctest or CTestCustom.cmake files from the given directory.

       ctest_run_script
              runs a ctest -S script

                ctest_run_script([NEW_PROCESS] script_file_name script_file_name1
                            script_file_name2 ... [RETURN_VALUE var])

              Runs a script or scripts much like if it was run from ctest -S. If no  argument  is
              provided  then  the  current  script  is  run  using  the  current  settings of the
              variables. If NEW_PROCESS is specified then each script will be run in  a  separate
              process.If  RETURN_VALUE  is specified the return value of the last script run will
              be put into var.

       ctest_sleep
              sleeps for some amount of time

                ctest_sleep(<seconds>)

              Sleep for given number of seconds.

                ctest_sleep(<time1> <duration> <time2>)

              Sleep for t=(time1 + duration - time2) seconds if t > 0.

       ctest_start
              Starts the testing for a given model

                ctest_start(Model [TRACK <track>] [APPEND] [source [binary]])

              Starts the testing for a given model. The command should be called after the binary
              directory is initialized. If the 'source' and 'binary' directory are not specified,
              it reads the CTEST_SOURCE_DIRECTORY and CTEST_BINARY_DIRECTORY.  If  the  track  is
              specified,  the  submissions will go to the specified track. If APPEND is used, the
              existing TAG is used rather than creating a new  one  based  on  the  current  time
              stamp.

       ctest_submit
              Submit results to a dashboard server.

                ctest_submit([PARTS ...] [FILES ...] [RETRY_COUNT count]                [RETRY_DELAY delay][RETURN_VALUE res])

              By  default  all  available parts are submitted if no PARTS or FILES are specified.
              The PARTS option lists a subset of parts to be submitted.  Valid part names are:

                Start      = nothing
                Update     = ctest_update results, in Update.xml
                Configure  = ctest_configure results, in Configure.xml
                Build      = ctest_build results, in Build.xml
                Test       = ctest_test results, in Test.xml
                Coverage   = ctest_coverage results, in Coverage.xml
                MemCheck   = ctest_memcheck results, in DynamicAnalysis.xml
                Notes      = Files listed by CTEST_NOTES_FILES, in Notes.xml
                ExtraFiles = Files listed by CTEST_EXTRA_SUBMIT_FILES
                Submit     = nothing

              The FILES option explicitly lists specific files to be submitted.  Each  individual
              file must exist at the time of the call.

              The  RETRY_DELAY  option  specifies  how  long in seconds to wait after a timed-out
              submission before attempting to re-submit.

              The RETRY_COUNT option specifies how many times to retry a timed-out submission.

       ctest_test
              Run tests in the project build tree.

                ctest_test([BUILD build_dir] [APPEND]
                           [START start number] [END end number]
                           [STRIDE stride number] [EXCLUDE exclude regex ]
                           [INCLUDE include regex] [RETURN_VALUE res]
                           [EXCLUDE_LABEL exclude regex]
                           [INCLUDE_LABEL label regex]
                           [PARALLEL_LEVEL level]
                           [SCHEDULE_RANDOM on]
                           [STOP_TIME time of day])

              Tests the given build directory and stores results in Test.xml. The second argument
              is  a  variable that will hold value. Optionally, you can specify the starting test
              number START, the ending test number END, the number of tests to skip between  each
              test STRIDE, a regular expression for tests to run INCLUDE, or a regular expression
              for  tests  to  not  run  EXCLUDE.  EXCLUDE_LABEL  and  INCLUDE_LABEL  are  regular
              expression  for  test  to  be  included  or  excluded  by  the test property LABEL.
              PARALLEL_LEVEL should be set to a positive number representing the number of  tests
              to  be run in parallel. SCHEDULE_RANDOM will launch tests in a random order, and is
              typically used to detect implicit test dependencies. STOP_TIME is the time  of  day
              at which the tests should all stop running.

              The  APPEND  option  marks  results  for  append to those previously submitted to a
              dashboard server since the last ctest_start.  Append semantics are defined  by  the
              dashboard server in use.

       ctest_update
              Update the work tree from version control.

                ctest_update([SOURCE source] [RETURN_VALUE res])

              Updates  the  given source directory and stores results in Update.xml. If no SOURCE
              is given, the CTEST_SOURCE_DIRECTORY variable  is  used.  The  RETURN_VALUE  option
              specifies  a  variable  in  which to store the result, which is the number of files
              updated or -1 on error.

       ctest_upload
              Upload files to a dashboard server.

                ctest_upload(FILES ...)

              Pass a list of files to be sent along with  the  build  results  to  the  dashboard
              server.

       else   Starts the else portion of an if block.

                else(expression)

              See the if command.

       elseif Starts the elseif portion of an if block.

                elseif(expression)

              See the if command.

       endforeach
              Ends a list of commands in a FOREACH block.

                endforeach(expression)

              See the FOREACH command.

       endfunction
              Ends a list of commands in a function block.

                endfunction(expression)

              See the function command.

       endif  Ends a list of commands in an if block.

                endif(expression)

              See the if command.

       endmacro
              Ends a list of commands in a macro block.

                endmacro(expression)

              See the macro command.

       endwhile
              Ends a list of commands in a while block.

                endwhile(expression)

              See the while command.

       exec_program
              Deprecated.  Use the execute_process() command instead.

              Run an executable program during the processing of the CMakeList.txt file.

                exec_program(Executable [directory in which to run]
                             [ARGS <arguments to executable>]
                             [OUTPUT_VARIABLE <var>]
                             [RETURN_VALUE <var>])

              The  executable  is  run in the optionally specified directory.  The executable can
              include arguments if it is double quoted, but it is better to use the optional ARGS
              argument  to specify arguments to the program.   This is because cmake will then be
              able to escape spaces in the executable path.  An optional argument OUTPUT_VARIABLE
              specifies  a  variable in which to store the output. To capture the return value of
              the execution, provide a RETURN_VALUE. If OUTPUT_VARIABLE  is  specified,  then  no
              output will go to the stdout/stderr of the console running cmake.

       execute_process
              Execute one or more child processes.

                execute_process(COMMAND <cmd1> [args1...]]
                                [COMMAND <cmd2> [args2...] [...]]
                                [WORKING_DIRECTORY <directory>]
                                [TIMEOUT <seconds>]
                                [RESULT_VARIABLE <variable>]
                                [OUTPUT_VARIABLE <variable>]
                                [ERROR_VARIABLE <variable>]
                                [INPUT_FILE <file>]
                                [OUTPUT_FILE <file>]
                                [ERROR_FILE <file>]
                                [OUTPUT_QUIET]
                                [ERROR_QUIET]
                                [OUTPUT_STRIP_TRAILING_WHITESPACE]
                                [ERROR_STRIP_TRAILING_WHITESPACE])

              Runs  the  given  sequence of one or more commands with the standard output of each
              process piped to the standard input of the next.  A single standard error  pipe  is
              used  for all processes.  If WORKING_DIRECTORY is given the named directory will be
              set as the current working directory of the child processes.  If TIMEOUT  is  given
              the  child  processes  will  be  terminated  if they do not finish in the specified
              number of seconds  (fractions  are  allowed).   If  RESULT_VARIABLE  is  given  the
              variable  will be set to contain the result of running the processes.  This will be
              an integer return code from  the  last  child  or  a  string  describing  an  error
              condition.   If OUTPUT_VARIABLE or ERROR_VARIABLE are given the variable named will
              be set  with  the  contents  of  the  standard  output  and  standard  error  pipes
              respectively.   If  the  same variable is named for both pipes their output will be
              merged in the order produced.  If INPUT_FILE, OUTPUT_FILE, or ERROR_FILE  is  given
              the  file  named  will  be  attached  to  the  standard input of the first process,
              standard  output  of  the  last  process,  or  standard  error  of  all   processes
              respectively.   If OUTPUT_QUIET or ERROR_QUIET is given then the standard output or
              standard error results will be quietly ignored.   If  more  than  one  OUTPUT_*  or
              ERROR_*  option  is given for the same pipe the precedence is not specified.  If no
              OUTPUT_* or  ERROR_*  options  are  given  the  output  will  be  shared  with  the
              corresponding pipes of the CMake process itself.

              The  execute_process  command is a newer more powerful version of exec_program, but
              the old command has been kept for compatibility.

       file   File manipulation command.

                file(WRITE filename "message to write"... )
                file(APPEND filename "message to write"... )
                file(READ filename variable [LIMIT numBytes] [OFFSET offset] [HEX])
                file(<MD5|SHA1|SHA224|SHA256|SHA384|SHA512> filename variable)
                file(STRINGS filename variable [LIMIT_COUNT num]
                     [LIMIT_INPUT numBytes] [LIMIT_OUTPUT numBytes]
                     [LENGTH_MINIMUM numBytes] [LENGTH_MAXIMUM numBytes]
                     [NEWLINE_CONSUME] [REGEX regex]
                     [NO_HEX_CONVERSION])
                file(GLOB variable [RELATIVE path] [globbing expressions]...)
                file(GLOB_RECURSE variable [RELATIVE path]
                     [FOLLOW_SYMLINKS] [globbing expressions]...)
                file(RENAME <oldname> <newname>)
                file(REMOVE [file1 ...])
                file(REMOVE_RECURSE [file1 ...])
                file(MAKE_DIRECTORY [directory1 directory2 ...])
                file(RELATIVE_PATH variable directory file)
                file(TO_CMAKE_PATH path result)
                file(TO_NATIVE_PATH path result)
                file(DOWNLOAD url file [INACTIVITY_TIMEOUT timeout]
                     [TIMEOUT timeout] [STATUS status] [LOG log] [SHOW_PROGRESS]
                     [EXPECTED_HASH ALGO=value] [EXPECTED_MD5 sum]
                     [TLS_VERIFY on|off] [TLS_CAINFO file])
                file(UPLOAD filename url [INACTIVITY_TIMEOUT timeout]
                     [TIMEOUT timeout] [STATUS status] [LOG log] [SHOW_PROGRESS])
                file(TIMESTAMP filename variable [<format string>] [UTC])
                file(GENERATE OUTPUT output_file
                     <INPUT input_file|CONTENT input_content>
                     [CONDITION expression])

              WRITE will write a message into a file called 'filename'. It overwrites the file if
              it  already  exists,  and  creates the file if it does not exist. (If the file is a
              build input, use configure_file to update the file only when its content changes.)

              APPEND will write a message into a file same as WRITE, except it will append it  to
              the end of the file

              READ  will read the content of a file and store it into the variable. It will start
              at the given offset and read up to numBytes. If the  argument  HEX  is  given,  the
              binary data will be converted to hexadecimal representation and this will be stored
              in the variable.

              MD5, SHA1, SHA224, SHA256, SHA384, and SHA512 will compute a cryptographic hash  of
              the content of a file.

              STRINGS  will parse a list of ASCII strings from a file and store it in a variable.
              Binary data in the file are ignored. Carriage return (CR) characters  are  ignored.
              It  works  also  for Intel Hex and Motorola S-record files, which are automatically
              converted to binary format when reading them. Disable this using NO_HEX_CONVERSION.

              LIMIT_COUNT sets the maximum number of strings  to  return.  LIMIT_INPUT  sets  the
              maximum  number of bytes to read from the input file. LIMIT_OUTPUT sets the maximum
              number of bytes to store in the output variable. LENGTH_MINIMUM  sets  the  minimum
              length  of a string to return. Shorter strings are ignored. LENGTH_MAXIMUM sets the
              maximum length of a string to return.  Longer strings are  split  into  strings  no
              longer  than  the maximum length. NEWLINE_CONSUME allows newlines to be included in
              strings instead of terminating them.

              REGEX specifies a regular expression that a  string  must  match  to  be  returned.
              Typical usage

                file(STRINGS myfile.txt myfile)

              stores  a list in the variable "myfile" in which each item is a line from the input
              file.

              GLOB will generate a list of all files that  match  the  globbing  expressions  and
              store   it   into  the  variable.  Globbing  expressions  are  similar  to  regular
              expressions, but much simpler. If RELATIVE flag is specified for an expression, the
              results  will  be  returned  as  a  relative  path  to  the given path.  (We do not
              recommend using GLOB to collect a list of source files from your source  tree.   If
              no CMakeLists.txt file changes when a source is added or removed then the generated
              build system cannot know when to ask CMake to regenerate.)

              Examples of globbing expressions include:

                 *.cxx      - match all files with extension cxx
                 *.vt?      - match all files with extension vta,...,vtz
                 f[3-5].txt - match files f3.txt, f4.txt, f5.txt

              GLOB_RECURSE will generate a list similar to  the  regular  GLOB,  except  it  will
              traverse  all  the  subdirectories  of  the  matched directory and match the files.
              Subdirectories that are symlinks are only traversed if FOLLOW_SYMLINKS is given  or
              cmake  policy  CMP0009  is not set to NEW. See cmake --help-policy CMP0009 for more
              information.

              Examples of recursive globbing include:

                 /dir/*.py  - match all python files in /dir and subdirectories

              MAKE_DIRECTORY will create the given directories, also if their parent  directories
              don't exist yet

              RENAME  moves  a  file  or directory within a filesystem, replacing the destination
              atomically.

              REMOVE will remove the given files, also in subdirectories

              REMOVE_RECURSE  will  remove  the  given  files  and  directories,  also  non-empty
              directories

              RELATIVE_PATH will determine relative path from directory to the given file.

              TO_CMAKE_PATH will convert path into a cmake style path with unix /.  The input can
              be a single path or a system path like "$ENV{PATH}".  Note the double quotes around
              the ENV call TO_CMAKE_PATH only takes  one argument. This command will also convert
              the native list delimiters for a list of paths like the PATH environment variable.

              TO_NATIVE_PATH works just like TO_CMAKE_PATH, but will convert from  a cmake  style
              path into the native path style \ for windows and / for UNIX.

              DOWNLOAD  will  download the given URL to the given file. If LOG var is specified a
              log of the download will be put in var. If STATUS var is specified  the  status  of
              the operation will be put in var. The status is returned in a list of length 2. The
              first element is the numeric return value for the operation, and the second element
              is a string value for the error. A 0 numeric error means no error in the operation.
              If TIMEOUT time is specified, the operation will timeout after time  seconds,  time
              should  be  specified  as  an  integer. The INACTIVITY_TIMEOUT specifies an integer
              number of seconds of inactivity after which  the  operation  should  terminate.  If
              EXPECTED_HASH   ALGO=value  is  specified,  the  operation  will  verify  that  the
              downloaded file's actual hash matches the expected value, where ALGO is one of MD5,
              SHA1, SHA224, SHA256, SHA384, or SHA512.  If it does not match, the operation fails
              with an error. ("EXPECTED_MD5 sum" is short-hand for "EXPECTED_HASH  MD5=sum".)  If
              SHOW_PROGRESS is specified, progress information will be printed as status messages
              until the operation is complete. For https URLs CMake must be built  with  OpenSSL.
              TLS/SSL  certificates  are  not  checked by default.  Set TLS_VERIFY to ON to check
              certificates and/or use EXPECTED_HASH to verify downloaded content.  Set TLS_CAINFO
              to  specify a custom Certificate Authority file.  If either TLS option is not given
              CMake will check variables CMAKE_TLS_VERIFY and CMAKE_TLS_CAINFO, respectively.

              UPLOAD will upload the given file to the given URL. If LOG var is specified  a  log
              of  the  upload  will  be  put in var. If STATUS var is specified the status of the
              operation will be put in var. The status is returned in a list  of  length  2.  The
              first element is the numeric return value for the operation, and the second element
              is a string value for the error. A 0 numeric error means no error in the operation.
              If  TIMEOUT  time is specified, the operation will timeout after time seconds, time
              should be specified as an integer.  The  INACTIVITY_TIMEOUT  specifies  an  integer
              number  of  seconds  of  inactivity  after which the operation should terminate. If
              SHOW_PROGRESS is specified, progress information will be printed as status messages
              until the operation is complete.

              TIMESTAMP  will  write a string representation of the modification time of filename
              to variable.

              Should the command be unable to obtain a timestamp variable  will  be  set  to  the
              empty string "".

              See documentation of the string TIMESTAMP sub-command for more details.

              The file() command also provides COPY and INSTALL signatures:

                file(<COPY|INSTALL> files... DESTINATION <dir>
                     [FILE_PERMISSIONS permissions...]
                     [DIRECTORY_PERMISSIONS permissions...]
                     [NO_SOURCE_PERMISSIONS] [USE_SOURCE_PERMISSIONS]
                     [FILES_MATCHING]
                     [[PATTERN <pattern> | REGEX <regex>]
                      [EXCLUDE] [PERMISSIONS permissions...]] [...])

              The COPY signature copies files, directories, and symlinks to a destination folder.
              Relative input paths are evaluated with respect to the  current  source  directory,
              and  a  relative  destination  is  evaluated  with  respect  to  the  current build
              directory.  Copying preserves input file timestamps, and optimizes out a file if it
              exists  at  the  destination  with  the  same  timestamp.   Copying preserves input
              permissions unless explicit permissions or NO_SOURCE_PERMISSIONS are given (default
              is  USE_SOURCE_PERMISSIONS).   See the install(DIRECTORY) command for documentation
              of permissions, PATTERN, REGEX, and EXCLUDE options.

              The INSTALL signature differs slightly from COPY: it prints  status  messages,  and
              NO_SOURCE_PERMISSIONS  is default.  Installation scripts generated by the install()
              command use this signature (with some undocumented options for internal use).

              GENERATE will write an <output_file> with content from  an  <input_file>,  or  from
              <input_content>.  The output is generated conditionally based on the content of the
              <condition>.  The file is written at CMake generate-time and the input may  contain
              generator  expressions.   The  <condition>, <output_file> and <input_file> may also
              contain generator expressions.  The <condition> must evaluate to either '0' or '1'.
              The <output_file> must evaluate to a unique name among all configurations and among
              all invocations of file(GENERATE).

       find_file
              Find the full path to a file.

                 find_file(<VAR> name1 [path1 path2 ...])

              This is the short-hand signature for the command that is sufficient in many  cases.
              It is the same as find_file(<VAR> name1 [PATHS path1 path2 ...])

                 find_file(
                           <VAR>
                           name | NAMES name1 [name2 ...]
                           [HINTS path1 [path2 ... ENV var]]
                           [PATHS path1 [path2 ... ENV var]]
                           [PATH_SUFFIXES suffix1 [suffix2 ...]]
                           [DOC "cache documentation string"]
                           [NO_DEFAULT_PATH]
                           [NO_CMAKE_ENVIRONMENT_PATH]
                           [NO_CMAKE_PATH]
                           [NO_SYSTEM_ENVIRONMENT_PATH]
                           [NO_CMAKE_SYSTEM_PATH]
                           [CMAKE_FIND_ROOT_PATH_BOTH |
                            ONLY_CMAKE_FIND_ROOT_PATH |
                            NO_CMAKE_FIND_ROOT_PATH]
                          )

              This  command  is  used  to  find a full path to named file. A cache entry named by
              <VAR> is created to store the result of this command.  If the full path to  a  file
              is  found  the result is stored in the variable and the search will not be repeated
              unless the  variable  is  cleared.   If  nothing  is  found,  the  result  will  be
              <VAR>-NOTFOUND,  and  the search will be attempted again the next time find_file is
              invoked with the same variable.  The name of the  full  path  to  a  file  that  is
              searched   for  is  specified  by  the  names  listed  after  the  NAMES  argument.
              Additional search locations can be specified after the PATHS argument.  If ENV  var
              is  found  in  the HINTS or PATHS section the environment variable var will be read
              and converted from a system environment variable to a cmake style  list  of  paths.
              For  example ENV PATH would be a way to list the system path variable. The argument
              after DOC will be used for the documentation string in  the  cache.   PATH_SUFFIXES
              specifies additional subdirectories to check below each search path.

              If  NO_DEFAULT_PATH is specified, then no additional paths are added to the search.
              If NO_DEFAULT_PATH is not specified, the search process is as follows:

              1. Search paths specified in cmake-specific cache variables.  These are intended to
              be  used  on  the  command  line  with  a  -DVAR=value.   This  can  be  skipped if
              NO_CMAKE_PATH is passed.

                 <prefix>/include/<arch> if CMAKE_LIBRARY_ARCHITECTURE is set, and
                 <prefix>/include for each <prefix> in CMAKE_PREFIX_PATH
                 CMAKE_INCLUDE_PATH
                 CMAKE_FRAMEWORK_PATH

              2. Search paths specified  in  cmake-specific  environment  variables.   These  are
              intended  to  be  set  in  the  user's shell configuration.  This can be skipped if
              NO_CMAKE_ENVIRONMENT_PATH is passed.

                 <prefix>/include/<arch> if CMAKE_LIBRARY_ARCHITECTURE is set, and
                 <prefix>/include for each <prefix> in CMAKE_PREFIX_PATH
                 CMAKE_INCLUDE_PATH
                 CMAKE_FRAMEWORK_PATH

              3. Search the paths specified by the HINTS option.  These should be paths  computed
              by  system  introspection,  such as a hint provided by the location of another item
              already found.  Hard-coded guesses should be specified with the PATHS option.

              4. Search the standard  system  environment  variables.  This  can  be  skipped  if
              NO_SYSTEM_ENVIRONMENT_PATH is an argument.

                 PATH
                 INCLUDE

              5.  Search  cmake  variables  defined in the Platform files for the current system.
              This can be skipped if NO_CMAKE_SYSTEM_PATH is passed.

                 <prefix>/include/<arch> if CMAKE_LIBRARY_ARCHITECTURE is set, and
                 <prefix>/include for each <prefix> in CMAKE_SYSTEM_PREFIX_PATH
                 CMAKE_SYSTEM_INCLUDE_PATH
                 CMAKE_SYSTEM_FRAMEWORK_PATH

              6. Search the paths specified by the PATHS option or in the short-hand  version  of
              the command.  These are typically hard-coded guesses.

              On   Darwin   or   systems   supporting   OS   X  Frameworks,  the  cmake  variable
              CMAKE_FIND_FRAMEWORK can be set to empty or one of the following:

                 "FIRST"  - Try to find frameworks before standard
                            libraries or headers. This is the default on Darwin.
                 "LAST"   - Try to find frameworks after standard
                            libraries or headers.
                 "ONLY"   - Only try to find frameworks.
                 "NEVER" - Never try to find frameworks.

              On Darwin or systems supporting  OS  X  Application  Bundles,  the  cmake  variable
              CMAKE_FIND_APPBUNDLE can be set to empty or one of the following:

                 "FIRST"  - Try to find application bundles before standard
                            programs. This is the default on Darwin.
                 "LAST"   - Try to find application bundles after standard
                            programs.
                 "ONLY"   - Only try to find application bundles.
                 "NEVER" - Never try to find application bundles.

              The  CMake  variable  CMAKE_FIND_ROOT_PATH  specifies one or more directories to be
              prepended to all other search directories. This effectively "re-roots"  the  entire
              search  under given locations. By default it is empty. It is especially useful when
              cross-compiling to point to the root directory of the target environment and  CMake
              will   search   there   too.   By  default  at  first  the  directories  listed  in
              CMAKE_FIND_ROOT_PATH and then the non-rooted  directories  will  be  searched.  The
              default  behavior  can  be  adjusted  by setting CMAKE_FIND_ROOT_PATH_MODE_INCLUDE.
              This  behavior  can  be  manually  overridden  on  a  per-call  basis.   By   using
              CMAKE_FIND_ROOT_PATH_BOTH   the  search  order  will  be  as  described  above.  If
              NO_CMAKE_FIND_ROOT_PATH is used then CMAKE_FIND_ROOT_PATH  will  not  be  used.  If
              ONLY_CMAKE_FIND_ROOT_PATH  is  used  then  only  the  re-rooted directories will be
              searched.

              The default search order is designed to  be  most-specific  to  least-specific  for
              common  use  cases.   Projects may override the order by simply calling the command
              multiple times and using the NO_* options:

                 find_file(<VAR> NAMES name PATHS paths... NO_DEFAULT_PATH)
                 find_file(<VAR> NAMES name)

              Once one of the calls succeeds the result variable will be set and  stored  in  the
              cache so that no call will search again.

       find_library
              Find a library.

                 find_library(<VAR> name1 [path1 path2 ...])

              This  is the short-hand signature for the command that is sufficient in many cases.
              It is the same as find_library(<VAR> name1 [PATHS path1 path2 ...])

                 find_library(
                           <VAR>
                           name | NAMES name1 [name2 ...] [NAMES_PER_DIR]
                           [HINTS path1 [path2 ... ENV var]]
                           [PATHS path1 [path2 ... ENV var]]
                           [PATH_SUFFIXES suffix1 [suffix2 ...]]
                           [DOC "cache documentation string"]
                           [NO_DEFAULT_PATH]
                           [NO_CMAKE_ENVIRONMENT_PATH]
                           [NO_CMAKE_PATH]
                           [NO_SYSTEM_ENVIRONMENT_PATH]
                           [NO_CMAKE_SYSTEM_PATH]
                           [CMAKE_FIND_ROOT_PATH_BOTH |
                            ONLY_CMAKE_FIND_ROOT_PATH |
                            NO_CMAKE_FIND_ROOT_PATH]
                          )

              This command is used to find a library. A cache entry named by <VAR> is created  to
              store  the result of this command.  If the library is found the result is stored in
              the variable and the search will not be repeated unless the  variable  is  cleared.
              If  nothing  is  found,  the  result will be <VAR>-NOTFOUND, and the search will be
              attempted again the next time find_library is invoked with the same variable.   The
              name of the library that is searched for is specified by the names listed after the
              NAMES argument.   Additional search locations can  be  specified  after  the  PATHS
              argument.   If  ENV  var  is  found  in  the HINTS or PATHS section the environment
              variable var will be read and converted from a system  environment  variable  to  a
              cmake  style list of paths.  For example ENV PATH would be a way to list the system
              path variable. The argument after DOC will be used for the documentation string  in
              the  cache.   PATH_SUFFIXES specifies additional subdirectories to check below each
              search path.

              If NO_DEFAULT_PATH is specified, then no additional paths are added to the  search.
              If NO_DEFAULT_PATH is not specified, the search process is as follows:

              1. Search paths specified in cmake-specific cache variables.  These are intended to
              be used  on  the  command  line  with  a  -DVAR=value.   This  can  be  skipped  if
              NO_CMAKE_PATH is passed.

                 <prefix>/lib/<arch> if CMAKE_LIBRARY_ARCHITECTURE is set, and
                 <prefix>/lib for each <prefix> in CMAKE_PREFIX_PATH
                 CMAKE_LIBRARY_PATH
                 CMAKE_FRAMEWORK_PATH

              2.  Search  paths  specified  in  cmake-specific  environment variables.  These are
              intended to be set in the user's shell  configuration.   This  can  be  skipped  if
              NO_CMAKE_ENVIRONMENT_PATH is passed.

                 <prefix>/lib/<arch> if CMAKE_LIBRARY_ARCHITECTURE is set, and
                 <prefix>/lib for each <prefix> in CMAKE_PREFIX_PATH
                 CMAKE_LIBRARY_PATH
                 CMAKE_FRAMEWORK_PATH

              3.  Search the paths specified by the HINTS option.  These should be paths computed
              by system introspection, such as a hint provided by the location  of  another  item
              already found.  Hard-coded guesses should be specified with the PATHS option.

              4.  Search  the  standard  system  environment  variables.  This  can be skipped if
              NO_SYSTEM_ENVIRONMENT_PATH is an argument.

                 PATH
                 LIB

              5. Search cmake variables defined in the Platform files  for  the  current  system.
              This can be skipped if NO_CMAKE_SYSTEM_PATH is passed.

                 <prefix>/lib/<arch> if CMAKE_LIBRARY_ARCHITECTURE is set, and
                 <prefix>/lib for each <prefix> in CMAKE_SYSTEM_PREFIX_PATH
                 CMAKE_SYSTEM_LIBRARY_PATH
                 CMAKE_SYSTEM_FRAMEWORK_PATH

              6.  Search  the paths specified by the PATHS option or in the short-hand version of
              the command.  These are typically hard-coded guesses.

              On  Darwin  or  systems  supporting   OS   X   Frameworks,   the   cmake   variable
              CMAKE_FIND_FRAMEWORK can be set to empty or one of the following:

                 "FIRST"  - Try to find frameworks before standard
                            libraries or headers. This is the default on Darwin.
                 "LAST"   - Try to find frameworks after standard
                            libraries or headers.
                 "ONLY"   - Only try to find frameworks.
                 "NEVER" - Never try to find frameworks.

              On  Darwin  or  systems  supporting  OS  X  Application Bundles, the cmake variable
              CMAKE_FIND_APPBUNDLE can be set to empty or one of the following:

                 "FIRST"  - Try to find application bundles before standard
                            programs. This is the default on Darwin.
                 "LAST"   - Try to find application bundles after standard
                            programs.
                 "ONLY"   - Only try to find application bundles.
                 "NEVER" - Never try to find application bundles.

              The CMake variable CMAKE_FIND_ROOT_PATH specifies one or  more  directories  to  be
              prepended  to  all other search directories. This effectively "re-roots" the entire
              search under given locations. By default it is empty. It is especially useful  when
              cross-compiling  to point to the root directory of the target environment and CMake
              will  search  there  too.  By  default  at  first   the   directories   listed   in
              CMAKE_FIND_ROOT_PATH  and  then  the  non-rooted  directories will be searched. The
              default behavior can  be  adjusted  by  setting  CMAKE_FIND_ROOT_PATH_MODE_LIBRARY.
              This   behavior   can  be  manually  overridden  on  a  per-call  basis.  By  using
              CMAKE_FIND_ROOT_PATH_BOTH  the  search  order  will  be  as  described  above.   If
              NO_CMAKE_FIND_ROOT_PATH  is  used  then  CMAKE_FIND_ROOT_PATH  will not be used. If
              ONLY_CMAKE_FIND_ROOT_PATH is used then  only  the  re-rooted  directories  will  be
              searched.

              The  default  search  order  is  designed to be most-specific to least-specific for
              common use cases.  Projects may override the order by simply  calling  the  command
              multiple times and using the NO_* options:

                 find_library(<VAR> NAMES name PATHS paths... NO_DEFAULT_PATH)
                 find_library(<VAR> NAMES name)

              Once  one  of  the calls succeeds the result variable will be set and stored in the
              cache so that no call will search again.

              When more than one value is given to the NAMES option this command by default  will
              consider  one  name at a time and search every directory for it.  The NAMES_PER_DIR
              option tells this command to consider one directory at a time and  search  for  all
              names in it.

              If  the  library found is a framework, then VAR will be set to the full path to the
              framework <fullPath>/A.framework. When a full path to a  framework  is  used  as  a
              library, CMake will use a -framework A, and a -F<fullPath> to link the framework to
              the target.

              If the global property FIND_LIBRARY_USE_LIB64_PATHS is set all search paths will be
              tested as normal, with "64/" appended, and with all matches of "lib/" replaced with
              "lib64/". This property is automatically set for the platforms that  are  known  to
              need  it  if  at  least  one  of  the languages supported by the PROJECT command is
              enabled.

       find_package
              Load settings for an external project.

                find_package(<package> [version] [EXACT] [QUIET] [MODULE]
                             [REQUIRED] [[COMPONENTS] [components...]]
                             [OPTIONAL_COMPONENTS components...]
                             [NO_POLICY_SCOPE])

              Finds and loads settings from an external project.  <package>_FOUND will be set  to
              indicate whether the package was found.  When the package is found package-specific
              information is provided through variables and imported targets  documented  by  the
              package itself.  The QUIET option disables messages if the package cannot be found.
              The MODULE option disables the second signature  documented  below.   The  REQUIRED
              option stops processing with an error message if the package cannot be found.

              A  package-specific  list of required components may be listed after the COMPONENTS
              option (or after the REQUIRED option if present).  Additional  optional  components
              may  be listed after OPTIONAL_COMPONENTS.  Available components and their influence
              on whether a package is considered to be found are defined by the target package.

              The [version] argument requests a version with which the package  found  should  be
              compatible  (format  is  major[.minor[.patch[.tweak]]]).  The EXACT option requests
              that the version be matched exactly.  If no  [version]  and/or  component  list  is
              given  to  a recursive invocation inside a find-module, the corresponding arguments
              are forwarded automatically from the outer  call  (including  the  EXACT  flag  for
              [version]).   Version  support  is  currently provided only on a package-by-package
              basis (details below).

              User code should generally look for packages using the above simple signature.  The
              remainder  of  this  command documentation specifies the full command signature and
              details of the search process.  Project maintainers wishing to provide a package to
              be found by this command are encouraged to read on.

              The  command  has  two  modes  by which it searches for packages: "Module" mode and
              "Config" mode.  Module mode is available when the command is invoked with the above
              reduced  signature.   CMake searches for a file called "Find<package>.cmake" in the
              CMAKE_MODULE_PATH followed by the CMake installation.  If the file is found, it  is
              read  and  processed by CMake.  It is responsible for finding the package, checking
              the version, and producing any needed messages.  Many find-modules provide  limited
              or  no  support  for  versioning;  check the module documentation.  If no module is
              found and the MODULE option is not given the command proceeds to Config mode.

              The complete Config mode command signature is:

                find_package(<package> [version] [EXACT] [QUIET]
                             [REQUIRED] [[COMPONENTS] [components...]]
                             [CONFIG|NO_MODULE]
                             [NO_POLICY_SCOPE]
                             [NAMES name1 [name2 ...]]
                             [CONFIGS config1 [config2 ...]]
                             [HINTS path1 [path2 ... ]]
                             [PATHS path1 [path2 ... ]]
                             [PATH_SUFFIXES suffix1 [suffix2 ...]]
                             [NO_DEFAULT_PATH]
                             [NO_CMAKE_ENVIRONMENT_PATH]
                             [NO_CMAKE_PATH]
                             [NO_SYSTEM_ENVIRONMENT_PATH]
                             [NO_CMAKE_PACKAGE_REGISTRY]
                             [NO_CMAKE_BUILDS_PATH]
                             [NO_CMAKE_SYSTEM_PATH]
                             [NO_CMAKE_SYSTEM_PACKAGE_REGISTRY]
                             [CMAKE_FIND_ROOT_PATH_BOTH |
                              ONLY_CMAKE_FIND_ROOT_PATH |
                              NO_CMAKE_FIND_ROOT_PATH])

              The CONFIG option may be used to skip Module mode explicitly and switch  to  Config
              mode.   It is synonymous to using NO_MODULE.  Config mode is also implied by use of
              options not specified in the reduced signature.

              Config mode attempts to locate a configuration file provided by the package  to  be
              found.   A  cache  entry  called  <package>_DIR  is  created  to hold the directory
              containing the file.  By default the command searches for a package with  the  name
              <package>.  If the NAMES option is given the names following it are used instead of
              <package>.   The  command  searches  for  a  file  called  "<name>Config.cmake"  or
              "<lower-case-name>-config.cmake"  for  each  name  specified.  A replacement set of
              possible configuration file names may be  given  using  the  CONFIGS  option.   The
              search  procedure  is  specified below.  Once found, the configuration file is read
              and processed by CMake.  Since the file is provided by the package it already knows
              the  location  of  package  contents.   The  full path to the configuration file is
              stored in the cmake variable <package>_CONFIG.

              All configuration files which have been considered by CMake while searching for  an
              installation  of  the  package  with an appropriate version are stored in the cmake
              variable    <package>_CONSIDERED_CONFIGS,    the     associated     versions     in
              <package>_CONSIDERED_VERSIONS.

              If  the  package  configuration  file  cannot be found CMake will generate an error
              describing the problem unless the QUIET argument  is  specified.   If  REQUIRED  is
              specified and the package is not found a fatal error is generated and the configure
              step stops executing.  If <package>_DIR has been set to a directory not  containing
              a configuration file CMake will ignore it and search from scratch.

              When  the  [version]  argument is given Config mode will only find a version of the
              package  that  claims  compatibility  with  the  requested   version   (format   is
              major[.minor[.patch[.tweak]]]).  If the EXACT option is given only a version of the
              package claiming an exact match of the requested version may be found.  CMake  does
              not  establish  any convention for the meaning of version numbers.  Package version
              numbers are checked by "version" files provided by the packages themselves.  For  a
              candidate   package  configuration  file  "<config-file>.cmake"  the  corresponding
              version file is located next to it and named  either  "<config-file>-version.cmake"
              or  "<config-file>Version.cmake".   If  no  such version file is available then the
              configuration file is assumed to not be compatible with any requested  version.   A
              basic  version  file  containing generic version matching code can be created using
              the  macro  write_basic_package_version_file(),  see  its  documentation  for  more
              details.   When a version file is found it is loaded to check the requested version
              number.  The version file is loaded in  a  nested  scope  in  which  the  following
              variables have been defined:

                PACKAGE_FIND_NAME          = the <package> name
                PACKAGE_FIND_VERSION       = full requested version string
                PACKAGE_FIND_VERSION_MAJOR = major version if requested, else 0
                PACKAGE_FIND_VERSION_MINOR = minor version if requested, else 0
                PACKAGE_FIND_VERSION_PATCH = patch version if requested, else 0
                PACKAGE_FIND_VERSION_TWEAK = tweak version if requested, else 0
                PACKAGE_FIND_VERSION_COUNT = number of version components, 0 to 4

              The  version  file checks whether it satisfies the requested version and sets these
              variables:

                PACKAGE_VERSION            = full provided version string
                PACKAGE_VERSION_EXACT      = true if version is exact match
                PACKAGE_VERSION_COMPATIBLE = true if version is compatible
                PACKAGE_VERSION_UNSUITABLE = true if unsuitable as any version

              These variables are checked by the find_package command to  determine  whether  the
              configuration  file  provides  an acceptable version.  They are not available after
              the find_package  call  returns.   If  the  version  is  acceptable  the  following
              variables are set:

                <package>_VERSION       = full provided version string
                <package>_VERSION_MAJOR = major version if provided, else 0
                <package>_VERSION_MINOR = minor version if provided, else 0
                <package>_VERSION_PATCH = patch version if provided, else 0
                <package>_VERSION_TWEAK = tweak version if provided, else 0
                <package>_VERSION_COUNT = number of version components, 0 to 4

              and  the corresponding package configuration file is loaded.  When multiple package
              configuration files are available whose version files claim compatibility with  the
              version  requested  it  is  unspecified which one is chosen.  No attempt is made to
              choose a highest or closest version number.

              Config mode provides an elaborate interface and  search  procedure.   Much  of  the
              interface  is  provided  for  completeness  and  for use internally by find-modules
              loaded by Module mode.  Most user code should simply call

                find_package(<package> [major[.minor]] [EXACT] [REQUIRED|QUIET])

              in  order  to  find  a  package.   Package  maintainers  providing  CMake   package
              configuration files are encouraged to name and install them such that the procedure
              outlined below will find them without requiring use of additional options.

              CMake constructs a set of possible installation prefixes for  the  package.   Under
              each  prefix several directories are searched for a configuration file.  The tables
              below show the directories searched.  Each entry is meant  for  installation  trees
              following Windows (W), UNIX (U), or Apple (A) conventions.

                <prefix>/                                               (W)
                <prefix>/(cmake|CMake)/                                 (W)
                <prefix>/<name>*/                                       (W)
                <prefix>/<name>*/(cmake|CMake)/                         (W)
                <prefix>/(lib/<arch>|lib|share)/cmake/<name>*/          (U)
                <prefix>/(lib/<arch>|lib|share)/<name>*/                (U)
                <prefix>/(lib/<arch>|lib|share)/<name>*/(cmake|CMake)/  (U)

              On  systems  supporting  OS  X  Frameworks  and  Application  Bundles the following
              directories are searched for frameworks or bundles containing a configuration file:

                <prefix>/<name>.framework/Resources/                    (A)
                <prefix>/<name>.framework/Resources/CMake/              (A)
                <prefix>/<name>.framework/Versions/*/Resources/         (A)
                <prefix>/<name>.framework/Versions/*/Resources/CMake/   (A)
                <prefix>/<name>.app/Contents/Resources/                 (A)
                <prefix>/<name>.app/Contents/Resources/CMake/           (A)

              In all cases the <name> is treated as case-insensitive and corresponds  to  any  of
              the names specified (<package> or names given by NAMES).  Paths with lib/<arch> are
              enabled if CMAKE_LIBRARY_ARCHITECTURE is set.  If PATH_SUFFIXES  is  specified  the
              suffixes are appended to each (W) or (U) directory entry one-by-one.

              This  set  of  directories  is  intended  to work in cooperation with projects that
              provide configuration files in their installation trees.  Directories above  marked
              with  (W)  are  intended for installations on Windows where the prefix may point at
              the top of an application's installation directory.   Those  marked  with  (U)  are
              intended for installations on UNIX platforms where the prefix is shared by multiple
              packages.  This is merely a convention, so all (W) and (U)  directories  are  still
              searched   on  all  platforms.   Directories  marked  with  (A)  are  intended  for
              installations on Apple platforms.  The  cmake  variables  CMAKE_FIND_FRAMEWORK  and
              CMAKE_FIND_APPBUNDLE determine the order of preference as specified below.

              The  set  of  installation  prefixes  is constructed using the following steps.  If
              NO_DEFAULT_PATH is specified all NO_* options are enabled.

              1. Search paths specified in cmake-specific cache variables.  These are intended to
              be  used  on  the  command  line  with  a  -DVAR=value.   This  can  be  skipped if
              NO_CMAKE_PATH is passed.

                 CMAKE_PREFIX_PATH
                 CMAKE_FRAMEWORK_PATH
                 CMAKE_APPBUNDLE_PATH

              2. Search paths specified  in  cmake-specific  environment  variables.   These  are
              intended  to  be  set  in  the  user's shell configuration.  This can be skipped if
              NO_CMAKE_ENVIRONMENT_PATH is passed.

                 <package>_DIR
                 CMAKE_PREFIX_PATH
                 CMAKE_FRAMEWORK_PATH
                 CMAKE_APPBUNDLE_PATH

              3. Search paths specified by the HINTS option.  These should be paths  computed  by
              system  introspection,  such  as  a  hint  provided by the location of another item
              already found.  Hard-coded guesses should be specified with the PATHS option.

              4. Search the standard  system  environment  variables.  This  can  be  skipped  if
              NO_SYSTEM_ENVIRONMENT_PATH is passed.  Path entries ending in "/bin" or "/sbin" are
              automatically converted to their parent directories.

                 PATH

              5. Search project build trees recently configured in a  CMake  GUI.   This  can  be
              skipped if NO_CMAKE_BUILDS_PATH is passed.  It is intended for the case when a user
              is building multiple dependent projects one after another.

              6. Search paths stored in the CMake user package registry.  This can be skipped  if
              NO_CMAKE_PACKAGE_REGISTRY  is  passed.   On  Windows  a  <package> may appear under
              registry key

                HKEY_CURRENT_USER\Software\Kitware\CMake\Packages\<package>

              as a REG_SZ value, with arbitrary name, that specifies the directory containing the
              package  configuration  file.   On  UNIX platforms a <package> may appear under the
              directory

                ~/.cmake/packages/<package>

              as a file, with arbitrary name, whose content specifies  the  directory  containing
              the  package  configuration  file.   See the export(PACKAGE) command to create user
              package registry entries for project build trees.

              7. Search cmake variables defined in the Platform files  for  the  current  system.
              This can be skipped if NO_CMAKE_SYSTEM_PATH is passed.

                 CMAKE_SYSTEM_PREFIX_PATH
                 CMAKE_SYSTEM_FRAMEWORK_PATH
                 CMAKE_SYSTEM_APPBUNDLE_PATH

              8.  Search  paths stored in the CMake system package registry.  This can be skipped
              if NO_CMAKE_SYSTEM_PACKAGE_REGISTRY is passed.  On Windows a <package>  may  appear
              under registry key

                HKEY_LOCAL_MACHINE\Software\Kitware\CMake\Packages\<package>

              as a REG_SZ value, with arbitrary name, that specifies the directory containing the
              package configuration file.  There is no system  package  registry  on  non-Windows
              platforms.

              9.  Search  paths  specified  by  the PATHS option.  These are typically hard-coded
              guesses.

              On  Darwin  or  systems  supporting   OS   X   Frameworks,   the   cmake   variable
              CMAKE_FIND_FRAMEWORK can be set to empty or one of the following:

                 "FIRST"  - Try to find frameworks before standard
                            libraries or headers. This is the default on Darwin.
                 "LAST"   - Try to find frameworks after standard
                            libraries or headers.
                 "ONLY"   - Only try to find frameworks.
                 "NEVER" - Never try to find frameworks.

              On  Darwin  or  systems  supporting  OS  X  Application Bundles, the cmake variable
              CMAKE_FIND_APPBUNDLE can be set to empty or one of the following:

                 "FIRST"  - Try to find application bundles before standard
                            programs. This is the default on Darwin.
                 "LAST"   - Try to find application bundles after standard
                            programs.
                 "ONLY"   - Only try to find application bundles.
                 "NEVER" - Never try to find application bundles.

              The CMake variable CMAKE_FIND_ROOT_PATH specifies one or  more  directories  to  be
              prepended  to  all other search directories. This effectively "re-roots" the entire
              search under given locations. By default it is empty. It is especially useful  when
              cross-compiling  to point to the root directory of the target environment and CMake
              will  search  there  too.  By  default  at  first   the   directories   listed   in
              CMAKE_FIND_ROOT_PATH  and  then  the  non-rooted  directories will be searched. The
              default behavior can  be  adjusted  by  setting  CMAKE_FIND_ROOT_PATH_MODE_PACKAGE.
              This   behavior   can  be  manually  overridden  on  a  per-call  basis.  By  using
              CMAKE_FIND_ROOT_PATH_BOTH  the  search  order  will  be  as  described  above.   If
              NO_CMAKE_FIND_ROOT_PATH  is  used  then  CMAKE_FIND_ROOT_PATH  will not be used. If
              ONLY_CMAKE_FIND_ROOT_PATH is used then  only  the  re-rooted  directories  will  be
              searched.

              The  default  search  order  is  designed to be most-specific to least-specific for
              common use cases.  Projects may override the order by simply  calling  the  command
              multiple times and using the NO_* options:

                 find_package(<package> PATHS paths... NO_DEFAULT_PATH)
                 find_package(<package>)

              Once  one  of  the calls succeeds the result variable will be set and stored in the
              cache so that no call will search again.

              Every non-REQUIRED find_package() call can be  disabled  by  setting  the  variable
              CMAKE_DISABLE_FIND_PACKAGE_<package>   to  TRUE.  See  the  documentation  for  the
              CMAKE_DISABLE_FIND_PACKAGE_<package> variable for more information.

              When loading a find module  or  package  configuration  file  find_package  defines
              variables  to  provide  information  about  the  call arguments (and restores their
              original state before returning):

               <package>_FIND_REQUIRED      = true if REQUIRED option was given
               <package>_FIND_QUIETLY       = true if QUIET option was given
               <package>_FIND_VERSION       = full requested version string
               <package>_FIND_VERSION_MAJOR = major version if requested, else 0
               <package>_FIND_VERSION_MINOR = minor version if requested, else 0
               <package>_FIND_VERSION_PATCH = patch version if requested, else 0
               <package>_FIND_VERSION_TWEAK = tweak version if requested, else 0
               <package>_FIND_VERSION_COUNT = number of version components, 0 to 4
               <package>_FIND_VERSION_EXACT = true if EXACT option was given
               <package>_FIND_COMPONENTS    = list of requested components
               <package>_FIND_REQUIRED_<c>  = true if component <c> is required
                                              false if component <c> is optional

              In Module mode the loaded find module is responsible to honor the request  detailed
              by  these  variables; see the find module for details.  In Config mode find_package
              handles REQUIRED, QUIET, and version options automatically but  leaves  it  to  the
              package  configuration  file to handle components in a way that makes sense for the
              package.  The package configuration file may set <package>_FOUND to false  to  tell
              find_package that component requirements are not satisfied.

              See  the cmake_policy() command documentation for discussion of the NO_POLICY_SCOPE
              option.

       find_path
              Find the directory containing a file.

                 find_path(<VAR> name1 [path1 path2 ...])

              This is the short-hand signature for the command that is sufficient in many  cases.
              It is the same as find_path(<VAR> name1 [PATHS path1 path2 ...])

                 find_path(
                           <VAR>
                           name | NAMES name1 [name2 ...]
                           [HINTS path1 [path2 ... ENV var]]
                           [PATHS path1 [path2 ... ENV var]]
                           [PATH_SUFFIXES suffix1 [suffix2 ...]]
                           [DOC "cache documentation string"]
                           [NO_DEFAULT_PATH]
                           [NO_CMAKE_ENVIRONMENT_PATH]
                           [NO_CMAKE_PATH]
                           [NO_SYSTEM_ENVIRONMENT_PATH]
                           [NO_CMAKE_SYSTEM_PATH]
                           [CMAKE_FIND_ROOT_PATH_BOTH |
                            ONLY_CMAKE_FIND_ROOT_PATH |
                            NO_CMAKE_FIND_ROOT_PATH]
                          )

              This  command  is used to find a directory containing the named file. A cache entry
              named by <VAR> is created to store the result of this command.  If the  file  in  a
              directory  is found the result is stored in the variable and the search will not be
              repeated unless the variable is cleared.  If nothing is found, the result  will  be
              <VAR>-NOTFOUND,  and  the search will be attempted again the next time find_path is
              invoked with the same variable.  The name of  the  file  in  a  directory  that  is
              searched   for  is  specified  by  the  names  listed  after  the  NAMES  argument.
              Additional search locations can be specified after the PATHS argument.  If ENV  var
              is  found  in  the HINTS or PATHS section the environment variable var will be read
              and converted from a system environment variable to a cmake style  list  of  paths.
              For  example ENV PATH would be a way to list the system path variable. The argument
              after DOC will be used for the documentation string in  the  cache.   PATH_SUFFIXES
              specifies additional subdirectories to check below each search path.

              If  NO_DEFAULT_PATH is specified, then no additional paths are added to the search.
              If NO_DEFAULT_PATH is not specified, the search process is as follows:

              1. Search paths specified in cmake-specific cache variables.  These are intended to
              be  used  on  the  command  line  with  a  -DVAR=value.   This  can  be  skipped if
              NO_CMAKE_PATH is passed.

                 <prefix>/include/<arch> if CMAKE_LIBRARY_ARCHITECTURE is set, and
                 <prefix>/include for each <prefix> in CMAKE_PREFIX_PATH
                 CMAKE_INCLUDE_PATH
                 CMAKE_FRAMEWORK_PATH

              2. Search paths specified  in  cmake-specific  environment  variables.   These  are
              intended  to  be  set  in  the  user's shell configuration.  This can be skipped if
              NO_CMAKE_ENVIRONMENT_PATH is passed.

                 <prefix>/include/<arch> if CMAKE_LIBRARY_ARCHITECTURE is set, and
                 <prefix>/include for each <prefix> in CMAKE_PREFIX_PATH
                 CMAKE_INCLUDE_PATH
                 CMAKE_FRAMEWORK_PATH

              3. Search the paths specified by the HINTS option.  These should be paths  computed
              by  system  introspection,  such as a hint provided by the location of another item
              already found.  Hard-coded guesses should be specified with the PATHS option.

              4. Search the standard  system  environment  variables.  This  can  be  skipped  if
              NO_SYSTEM_ENVIRONMENT_PATH is an argument.

                 PATH
                 INCLUDE

              5.  Search  cmake  variables  defined in the Platform files for the current system.
              This can be skipped if NO_CMAKE_SYSTEM_PATH is passed.

                 <prefix>/include/<arch> if CMAKE_LIBRARY_ARCHITECTURE is set, and
                 <prefix>/include for each <prefix> in CMAKE_SYSTEM_PREFIX_PATH
                 CMAKE_SYSTEM_INCLUDE_PATH
                 CMAKE_SYSTEM_FRAMEWORK_PATH

              6. Search the paths specified by the PATHS option or in the short-hand  version  of
              the command.  These are typically hard-coded guesses.

              On   Darwin   or   systems   supporting   OS   X  Frameworks,  the  cmake  variable
              CMAKE_FIND_FRAMEWORK can be set to empty or one of the following:

                 "FIRST"  - Try to find frameworks before standard
                            libraries or headers. This is the default on Darwin.
                 "LAST"   - Try to find frameworks after standard
                            libraries or headers.
                 "ONLY"   - Only try to find frameworks.
                 "NEVER" - Never try to find frameworks.

              On Darwin or systems supporting  OS  X  Application  Bundles,  the  cmake  variable
              CMAKE_FIND_APPBUNDLE can be set to empty or one of the following:

                 "FIRST"  - Try to find application bundles before standard
                            programs. This is the default on Darwin.
                 "LAST"   - Try to find application bundles after standard
                            programs.
                 "ONLY"   - Only try to find application bundles.
                 "NEVER" - Never try to find application bundles.

              The  CMake  variable  CMAKE_FIND_ROOT_PATH  specifies one or more directories to be
              prepended to all other search directories. This effectively "re-roots"  the  entire
              search  under given locations. By default it is empty. It is especially useful when
              cross-compiling to point to the root directory of the target environment and  CMake
              will   search   there   too.   By  default  at  first  the  directories  listed  in
              CMAKE_FIND_ROOT_PATH and then the non-rooted  directories  will  be  searched.  The
              default  behavior  can  be  adjusted  by setting CMAKE_FIND_ROOT_PATH_MODE_INCLUDE.
              This  behavior  can  be  manually  overridden  on  a  per-call  basis.   By   using
              CMAKE_FIND_ROOT_PATH_BOTH   the  search  order  will  be  as  described  above.  If
              NO_CMAKE_FIND_ROOT_PATH is used then CMAKE_FIND_ROOT_PATH  will  not  be  used.  If
              ONLY_CMAKE_FIND_ROOT_PATH  is  used  then  only  the  re-rooted directories will be
              searched.

              The default search order is designed to  be  most-specific  to  least-specific  for
              common  use  cases.   Projects may override the order by simply calling the command
              multiple times and using the NO_* options:

                 find_path(<VAR> NAMES name PATHS paths... NO_DEFAULT_PATH)
                 find_path(<VAR> NAMES name)

              Once one of the calls succeeds the result variable will be set and  stored  in  the
              cache so that no call will search again.

              When  searching  for  frameworks,  if  the  file  is  specified  as A/b.h, then the
              framework search will look for A.framework/Headers/b.h. If that is found  the  path
              will be set to the path to the framework. CMake will convert this to the correct -F
              option to include the file.

       find_program
              Find an executable program.

                 find_program(<VAR> name1 [path1 path2 ...])

              This is the short-hand signature for the command that is sufficient in many  cases.
              It is the same as find_program(<VAR> name1 [PATHS path1 path2 ...])

                 find_program(
                           <VAR>
                           name | NAMES name1 [name2 ...]
                           [HINTS path1 [path2 ... ENV var]]
                           [PATHS path1 [path2 ... ENV var]]
                           [PATH_SUFFIXES suffix1 [suffix2 ...]]
                           [DOC "cache documentation string"]
                           [NO_DEFAULT_PATH]
                           [NO_CMAKE_ENVIRONMENT_PATH]
                           [NO_CMAKE_PATH]
                           [NO_SYSTEM_ENVIRONMENT_PATH]
                           [NO_CMAKE_SYSTEM_PATH]
                           [CMAKE_FIND_ROOT_PATH_BOTH |
                            ONLY_CMAKE_FIND_ROOT_PATH |
                            NO_CMAKE_FIND_ROOT_PATH]
                          )

              This  command is used to find a program. A cache entry named by <VAR> is created to
              store the result of this command.  If the program is found the result is stored  in
              the  variable  and  the search will not be repeated unless the variable is cleared.
              If nothing is found, the result will be <VAR>-NOTFOUND,  and  the  search  will  be
              attempted  again the next time find_program is invoked with the same variable.  The
              name of the program that is searched for is specified by the names listed after the
              NAMES  argument.    Additional  search  locations  can be specified after the PATHS
              argument.  If ENV var is found in  the  HINTS  or  PATHS  section  the  environment
              variable  var  will  be  read and converted from a system environment variable to a
              cmake style list of paths.  For example ENV PATH would be a way to list the  system
              path  variable. The argument after DOC will be used for the documentation string in
              the cache.  PATH_SUFFIXES specifies additional subdirectories to check  below  each
              search path.

              If  NO_DEFAULT_PATH is specified, then no additional paths are added to the search.
              If NO_DEFAULT_PATH is not specified, the search process is as follows:

              1. Search paths specified in cmake-specific cache variables.  These are intended to
              be  used  on  the  command  line  with  a  -DVAR=value.   This  can  be  skipped if
              NO_CMAKE_PATH is passed.

                 <prefix>/[s]bin for each <prefix> in CMAKE_PREFIX_PATH
                 CMAKE_PROGRAM_PATH
                 CMAKE_APPBUNDLE_PATH

              2. Search paths specified  in  cmake-specific  environment  variables.   These  are
              intended  to  be  set  in  the  user's shell configuration.  This can be skipped if
              NO_CMAKE_ENVIRONMENT_PATH is passed.

                 <prefix>/[s]bin for each <prefix> in CMAKE_PREFIX_PATH
                 CMAKE_PROGRAM_PATH
                 CMAKE_APPBUNDLE_PATH

              3. Search the paths specified by the HINTS option.  These should be paths  computed
              by  system  introspection,  such as a hint provided by the location of another item
              already found.  Hard-coded guesses should be specified with the PATHS option.

              4. Search the standard  system  environment  variables.  This  can  be  skipped  if
              NO_SYSTEM_ENVIRONMENT_PATH is an argument.

                 PATH

              5.  Search  cmake  variables  defined in the Platform files for the current system.
              This can be skipped if NO_CMAKE_SYSTEM_PATH is passed.

                 <prefix>/[s]bin for each <prefix> in CMAKE_SYSTEM_PREFIX_PATH
                 CMAKE_SYSTEM_PROGRAM_PATH
                 CMAKE_SYSTEM_APPBUNDLE_PATH

              6. Search the paths specified by the PATHS option or in the short-hand  version  of
              the command.  These are typically hard-coded guesses.

              On   Darwin   or   systems   supporting   OS   X  Frameworks,  the  cmake  variable
              CMAKE_FIND_FRAMEWORK can be set to empty or one of the following:

                 "FIRST"  - Try to find frameworks before standard
                            libraries or headers. This is the default on Darwin.
                 "LAST"   - Try to find frameworks after standard
                            libraries or headers.
                 "ONLY"   - Only try to find frameworks.
                 "NEVER" - Never try to find frameworks.

              On Darwin or systems supporting  OS  X  Application  Bundles,  the  cmake  variable
              CMAKE_FIND_APPBUNDLE can be set to empty or one of the following:

                 "FIRST"  - Try to find application bundles before standard
                            programs. This is the default on Darwin.
                 "LAST"   - Try to find application bundles after standard
                            programs.
                 "ONLY"   - Only try to find application bundles.
                 "NEVER" - Never try to find application bundles.

              The  CMake  variable  CMAKE_FIND_ROOT_PATH  specifies one or more directories to be
              prepended to all other search directories. This effectively "re-roots"  the  entire
              search  under given locations. By default it is empty. It is especially useful when
              cross-compiling to point to the root directory of the target environment and  CMake
              will   search   there   too.   By  default  at  first  the  directories  listed  in
              CMAKE_FIND_ROOT_PATH and then the non-rooted  directories  will  be  searched.  The
              default  behavior  can  be  adjusted  by setting CMAKE_FIND_ROOT_PATH_MODE_PROGRAM.
              This  behavior  can  be  manually  overridden  on  a  per-call  basis.   By   using
              CMAKE_FIND_ROOT_PATH_BOTH   the  search  order  will  be  as  described  above.  If
              NO_CMAKE_FIND_ROOT_PATH is used then CMAKE_FIND_ROOT_PATH  will  not  be  used.  If
              ONLY_CMAKE_FIND_ROOT_PATH  is  used  then  only  the  re-rooted directories will be
              searched.

              The default search order is designed to  be  most-specific  to  least-specific  for
              common  use  cases.   Projects may override the order by simply calling the command
              multiple times and using the NO_* options:

                 find_program(<VAR> NAMES name PATHS paths... NO_DEFAULT_PATH)
                 find_program(<VAR> NAMES name)

              Once one of the calls succeeds the result variable will be set and  stored  in  the
              cache so that no call will search again.

       foreach
              Evaluate a group of commands for each value in a list.

                foreach(loop_var arg1 arg2 ...)
                  COMMAND1(ARGS ...)
                  COMMAND2(ARGS ...)
                  ...
                endforeach(loop_var)

              All commands between foreach and the matching endforeach are recorded without being
              invoked.  Once the endforeach is  evaluated,  the  recorded  list  of  commands  is
              invoked once for each argument listed in the original foreach command.  Before each
              iteration of the loop "${loop_var}" will be set as  a  variable  with  the  current
              value in the list.

                foreach(loop_var RANGE total)
                foreach(loop_var RANGE start stop [step])

              Foreach  can  also iterate over a generated range of numbers. There are three types
              of this iteration:

              * When specifying single number, the range will have elements 0 to "total".

              * When specifying two numbers, the range will have elements from the  first  number
              to the second number.

              *  The third optional number is the increment used to iterate from the first number
              to the second number.

                foreach(loop_var IN [LISTS [list1 [...]]]
                                    [ITEMS [item1 [...]]])

              Iterates over a  precise  list  of  items.   The  LISTS  option  names  list-valued
              variables  to  be  traversed,  including  empty  elements  (an  empty  string  is a
              zero-length list).  The  ITEMS  option  ends  argument  parsing  and  includes  all
              arguments following it in the iteration.

       function
              Start recording a function for later invocation as a command.

                function(<name> [arg1 [arg2 [arg3 ...]]])
                  COMMAND1(ARGS ...)
                  COMMAND2(ARGS ...)
                  ...
                endfunction(<name>)

              Define  a  function  named  <name> that takes arguments named arg1 arg2 arg3 (...).
              Commands listed after function,  but  before  the  matching  endfunction,  are  not
              invoked  until  the function is invoked.  When it is invoked, the commands recorded
              in the function are first modified by replacing formal  parameters  (${arg1})  with
              the  arguments  passed,  and  then  invoked  as  normal  commands.  In  addition to
              referencing the formal parameters you can reference the variable ARGC which will be
              set  to  the  number  of  arguments passed into the function as well as ARGV0 ARGV1
              ARGV2 ... which will have the actual  values  of  the  arguments  passed  in.  This
              facilitates creating functions with optional arguments. Additionally ARGV holds the
              list of all arguments given to the function and ARGN holds the  list  of  arguments
              past the last expected argument.

              A function opens a new scope: see set(var PARENT_SCOPE) for details.

              See  the  cmake_policy()  command documentation for the behavior of policies inside
              functions.

       get_cmake_property
              Get a property of the CMake instance.

                get_cmake_property(VAR property)

              Get a property from the CMake instance.  The value of the property is stored in the
              variable  VAR.   If the property is not found, VAR will be set to "NOTFOUND".  Some
              supported properties include: VARIABLES,  CACHE_VARIABLES,  COMMANDS,  MACROS,  and
              COMPONENTS.

              See also the more general get_property() command.

       get_directory_property
              Get a property of DIRECTORY scope.

                get_directory_property(<variable> [DIRECTORY <dir>] <prop-name>)

              Store  a property of directory scope in the named variable.  If the property is not
              defined the empty-string is returned.  The  DIRECTORY  argument  specifies  another
              directory  from which to retrieve the property value.  The specified directory must
              have already been traversed by CMake.

                get_directory_property(<variable> [DIRECTORY <dir>]
                                       DEFINITION <var-name>)

              Get a variable definition from a directory.  This form is useful to get a  variable
              definition from another directory.

              See also the more general get_property() command.

       get_filename_component
              Get a specific component of a full filename.

                get_filename_component(<VAR> <FileName> <COMP> [CACHE])

              Set <VAR> to a component of <FileName>, where <COMP> is one of:

               DIRECTORY = Directory without file name
               NAME      = File name without directory
               EXT       = File name longest extension (.b.c from d/a.b.c)
               NAME_WE   = File name without directory or longest extension
               ABSOLUTE  = Full path to file
               REALPATH  = Full path to existing file with symlinks resolved
               PATH      = Legacy alias for DIRECTORY (use for CMake <= 2.8.11)

              Paths  are  returned  with forward slashes and have no trailing slahes. The longest
              file extension is always considered. If the optional CACHE argument  is  specified,
              the result variable is added to the cache.

                get_filename_component(<VAR> FileName
                                       PROGRAM [PROGRAM_ARGS <ARG_VAR>]
                                       [CACHE])

              The  program  in FileName will be found in the system search path or left as a full
              path.  If PROGRAM_ARGS is present with PROGRAM,  then  any  command-line  arguments
              present  in  the  FileName  string  are  split  from the program name and stored in
              <ARG_VAR>.  This is used to separate a program name from its arguments in a command
              line string.

       get_property
              Get a property.

                get_property(<variable>
                             <GLOBAL             |
                              DIRECTORY [dir]    |
                              TARGET    <target> |
                              SOURCE    <source> |
                              TEST      <test>   |
                              CACHE     <entry>  |
                              VARIABLE>
                             PROPERTY <name>
                             [SET | DEFINED | BRIEF_DOCS | FULL_DOCS])

              Get  one  property  from  one  object in a scope.  The first argument specifies the
              variable in which to store the result.  The second argument  determines  the  scope
              from which to get the property.  It must be one of the following:

              GLOBAL scope is unique and does not accept a name.

              DIRECTORY  scope  defaults  to the current directory but another directory (already
              processed by CMake) may be named by full or relative path.

              TARGET scope must name one existing target.

              SOURCE scope must name one source file.

              TEST scope must name one existing test.

              CACHE scope must name one cache entry.

              VARIABLE scope is unique and does not accept a name.

              The required PROPERTY option is immediately followed by the name of the property to
              get.   If the property is not set an empty value is returned.  If the SET option is
              given the variable is set to a boolean value indicating whether  the  property  has
              been  set.   If  the DEFINED option is given the variable is set to a boolean value
              indicating whether the property has been defined such as with  define_property.  If
              BRIEF_DOCS  or  FULL_DOCS  is given then the variable is set to a string containing
              documentation for the requested property.  If  documentation  is  requested  for  a
              property that has not been defined NOTFOUND is returned.

       if     Conditionally execute a group of commands.

                if(expression)
                  # then section.
                  COMMAND1(ARGS ...)
                  COMMAND2(ARGS ...)
                  ...
                elseif(expression2)
                  # elseif section.
                  COMMAND1(ARGS ...)
                  COMMAND2(ARGS ...)
                  ...
                else(expression)
                  # else section.
                  COMMAND1(ARGS ...)
                  COMMAND2(ARGS ...)
                  ...
                endif(expression)

              Evaluates  the  given  expression.  If the result is true, the commands in the THEN
              section are invoked.  Otherwise, the commands in the else section are invoked.  The
              elseif  and  else sections are optional. You may have multiple elseif clauses. Note
              that the expression in the else and endif clause is optional. Long expressions  can
              be  used  and there is a traditional order of precedence. Parenthetical expressions
              are evaluated first followed by  unary  operators  such  as  EXISTS,  COMMAND,  and
              DEFINED. Then any EQUAL, LESS, GREATER, STRLESS, STRGREATER, STREQUAL, MATCHES will
              be evaluated. Then NOT operators and finally AND, OR operators will  be  evaluated.
              Possible expressions are:

                if(<constant>)

              True  if  the  constant is 1, ON, YES, TRUE, Y, or a non-zero number.  False if the
              constant is 0, OFF, NO, FALSE, N, IGNORE, NOTFOUND,  '',  or  ends  in  the  suffix
              '-NOTFOUND'.  Named boolean constants are case-insensitive.  If the argument is not
              one of these constants, it is treated as a variable:

                if(<variable>)

              True if the variable is defined to a value that is not  a  false  constant.   False
              otherwise.  (Note macro arguments are not variables.)

                if(NOT <expression>)

              True if the expression is not true.

                if(<expr1> AND <expr2>)

              True if both expressions would be considered true individually.

                if(<expr1> OR <expr2>)

              True if either expression would be considered true individually.

                if(COMMAND command-name)

              True if the given name is a command, macro or function that can be invoked.

                if(POLICY policy-id)

              True if the given name is an existing policy (of the form CMP<NNNN>).

                if(TARGET target-name)

              True if the given name is an existing target, built or imported.

                if(EXISTS file-name)
                if(EXISTS directory-name)

              True if the named file or directory exists.  Behavior is well-defined only for full
              paths.

                if(file1 IS_NEWER_THAN file2)

              True if file1 is newer than file2 or  if  one  of  the  two  files  doesn't  exist.
              Behavior  is  well-defined only for full paths. If the file time stamps are exactly
              the same, an IS_NEWER_THAN comparison returns true, so  that  any  dependent  build
              operations  will occur in the event of a tie. This includes the case of passing the
              same file name for both file1 and file2.

                if(IS_DIRECTORY directory-name)

              True if the given name is a directory.  Behavior  is  well-defined  only  for  full
              paths.

                if(IS_SYMLINK file-name)

              True  if the given name is a symbolic link.  Behavior is well-defined only for full
              paths.

                if(IS_ABSOLUTE path)

              True if the given path is an absolute path.

                if(<variable|string> MATCHES regex)

              True if the given string or variable's value matches the given regular expression.

                if(<variable|string> LESS <variable|string>)
                if(<variable|string> GREATER <variable|string>)
                if(<variable|string> EQUAL <variable|string>)

              True if the given string or variable's value is a valid number and  the  inequality
              or equality is true.

                if(<variable|string> STRLESS <variable|string>)
                if(<variable|string> STRGREATER <variable|string>)
                if(<variable|string> STREQUAL <variable|string>)

              True if the given string or variable's value is lexicographically less (or greater,
              or equal) than the string or variable on the right.

                if(<variable|string> VERSION_LESS <variable|string>)
                if(<variable|string> VERSION_EQUAL <variable|string>)
                if(<variable|string> VERSION_GREATER <variable|string>)

              Component-wise   integer   version   number   comparison   (version    format    is
              major[.minor[.patch[.tweak]]]).

                if(DEFINED <variable>)

              True  if  the given variable is defined. It does not matter if the variable is true
              or false just if it has been set.

                if((expression) AND (expression OR (expression)))

              The expressions inside the parenthesis are evaluated first and then  the  remaining
              expression  is  evaluated  as  in  the  previous  examples.  Where there are nested
              parenthesis the innermost are evaluated as part of evaluating the  expression  that
              contains them.

              The  if  command  was  written  very  early  in  CMake's history, predating the ${}
              variable evaluation syntax, and for convenience evaluates variables  named  by  its
              arguments  as  shown in the above signatures.  Note that normal variable evaluation
              with ${} applies before the if command even receives the arguments.  Therefore code
              like

                set(var1 OFF)
                set(var2 "var1")
                if(${var2})

              appears to the if command as

                if(var1)

              and is evaluated according to the if(<variable>) case documented above.  The result
              is OFF which is false.  However, if we remove the ${} from  the  example  then  the
              command sees

                if(var2)

              which is true because var2 is defined to "var1" which is not a false constant.

              Automatic  evaluation  applies  in  the  other  cases whenever the above-documented
              signature accepts <variable|string>:

              1) The left hand argument to MATCHES is first checked to see if  it  is  a  defined
              variable, if so the variable's value is used, otherwise the original value is used.

              2) If the left hand argument to MATCHES is missing it returns false without error

              3)  Both  left  and  right  hand  arguments to LESS GREATER EQUAL are independently
              tested to see if they are defined variables, if so their defined  values  are  used
              otherwise the original value is used.

              4)  Both  left  and  right  hand  arguments  to  STRLESS  STREQUAL  STRGREATER  are
              independently tested to see if they are defined  variables,  if  so  their  defined
              values are used otherwise the original value is used.

              5)   Both   left   and   right   hand   argumemnts  to  VERSION_LESS  VERSION_EQUAL
              VERSION_GREATER are independently tested to see if they are defined  variables,  if
              so their defined values are used otherwise the original value is used.

              6)  The right hand argument to NOT is tested to see if it is a boolean constant, if
              so the value is used,  otherwise  it  is  assumed  to  be  a  variable  and  it  is
              dereferenced.

              7)  The  left and right hand arguments to AND OR are independently tested to see if
              they are boolean constants, if so they are used as such, otherwise they are assumed
              to be variables and are dereferenced.

       include
              Load and run CMake code from a file or module.

                include(<file|module> [OPTIONAL] [RESULT_VARIABLE <VAR>]
                                      [NO_POLICY_SCOPE])

              Load  and run CMake code from the file given.  Variable reads and writes access the
              scope of the caller (dynamic scoping).  If OPTIONAL is present, then  no  error  is
              raised  if  the file does not exist.  If RESULT_VARIABLE is given the variable will
              be set to the full filename which has been included or NOTFOUND if it failed.

              If a module is specified instead of a file, the file with  name  <modulename>.cmake
              is  searched  first in CMAKE_MODULE_PATH, then in the CMake module directory. There
              is one exception to this: if the file which calls include() is  located  itself  in
              the  CMake  module directory, then first the CMake module directory is searched and
              CMAKE_MODULE_PATH afterwards. See also policy CMP0017.

              See the cmake_policy() command documentation for discussion of the  NO_POLICY_SCOPE
              option.

       list   List operations.

                list(LENGTH <list> <output variable>)
                list(GET <list> <element index> [<element index> ...]
                     <output variable>)
                list(APPEND <list> <element> [<element> ...])
                list(FIND <list> <value> <output variable>)
                list(INSERT <list> <element_index> <element> [<element> ...])
                list(REMOVE_ITEM <list> <value> [<value> ...])
                list(REMOVE_AT <list> <index> [<index> ...])
                list(REMOVE_DUPLICATES <list>)
                list(REVERSE <list>)
                list(SORT <list>)

              LENGTH will return a given list's length.

              GET will return list of elements specified by indices from the list.

              APPEND will append elements to the list.

              FIND  will return the index of the element specified in the list or -1 if it wasn't
              found.

              INSERT will insert elements to the list to the specified location.

              REMOVE_AT and REMOVE_ITEM will remove items from the list. The difference  is  that
              REMOVE_ITEM  will  remove the given items, while REMOVE_AT will remove the items at
              the given indices.

              REMOVE_DUPLICATES will remove duplicated items in the list.

              REVERSE reverses the contents of the list in-place.

              SORT sorts the list in-place alphabetically.

              The list subcommands APPEND,  INSERT,  REMOVE_AT,  REMOVE_ITEM,  REMOVE_DUPLICATES,
              REVERSE  and  SORT  may  create  new  values  for the list within the current CMake
              variable scope. Similar to the SET command, the LIST command creates  new  variable
              values  in  the  current  scope,  even  if the list itself is actually defined in a
              parent scope. To propagate the results of these operations upwards,  use  SET  with
              PARENT_SCOPE, SET with CACHE INTERNAL, or some other means of value propagation.

              NOTES:  A list in cmake is a ; separated group of strings. To create a list the set
              command can be used. For example,  set(var  a  b  c  d  e)   creates  a  list  with
              a;b;c;d;e, and set(var "a b c d e") creates a string or a list with one item in it.

              When  specifying  index  values,  if <element index> is 0 or greater, it is indexed
              from the beginning of the list, with 0 representing  the  first  list  element.  If
              <element  index>  is  -1 or lesser, it is indexed from the end of the list, with -1
              representing the last list element. Be careful when counting with negative indices:
              they do not start from 0. -0 is equivalent to 0, the first list element.

       macro  Start recording a macro for later invocation as a command.

                macro(<name> [arg1 [arg2 [arg3 ...]]])
                  COMMAND1(ARGS ...)
                  COMMAND2(ARGS ...)
                  ...
                endmacro(<name>)

              Define  a  macro  named  <name>  that  takes  arguments named arg1 arg2 arg3 (...).
              Commands listed after macro, but before the  matching  endmacro,  are  not  invoked
              until the macro is invoked.  When it is invoked, the commands recorded in the macro
              are first modified by replacing formal  parameters  (${arg1})  with  the  arguments
              passed,  and then invoked as normal commands. In addition to referencing the formal
              parameters you can reference the values ${ARGC} which will be set to the number  of
              arguments  passed into the function as well as ${ARGV0} ${ARGV1} ${ARGV2} ... which
              will have the actual values of the arguments passed in. This  facilitates  creating
              macros  with  optional  arguments.  Additionally  ${ARGV}  holds  the  list  of all
              arguments given to the macro and ${ARGN} holds the list of arguments past the  last
              expected  argument. Note that the parameters to a macro and values such as ARGN are
              not variables in the usual CMake sense. They are string replacements much like  the
              C  preprocessor  would  do  with  a  macro. If you want true CMake variables and/or
              better CMake scope control you should look at the function command.

              See the cmake_policy() command documentation for the behavior  of  policies  inside
              macros.

       make_directory
              Deprecated. Use the file(MAKE_DIRECTORY ) command instead.

                make_directory(directory)

              Creates  the  specified  directory.   Full  paths  should  be  given.   Any  parent
              directories that do not exist will also be created.  Use with care.

       mark_as_advanced
              Mark cmake cached variables as advanced.

                mark_as_advanced([CLEAR|FORCE] VAR VAR2 VAR...)

              Mark the named cached variables as advanced.  An  advanced  variable  will  not  be
              displayed in any of the cmake GUIs unless the show advanced option is on.  If CLEAR
              is the first argument advanced variables are changed back to unadvanced.  If  FORCE
              is  the  first  argument, then the variable is made advanced.  If neither FORCE nor
              CLEAR is specified, new values will be marked as  advanced,  but  if  the  variable
              already has an advanced/non-advanced state, it will not be changed.

              It does nothing in script mode.

       math   Mathematical expressions.

                math(EXPR <output variable> <math expression>)

              EXPR  evaluates  mathematical expression and returns result in the output variable.
              Example mathematical expression is '5 * ( 10 + 13 )'.  Supported operators are +  -
              * / % | & ^ ~ << >> * / %.  They have the same meaning  as they do in C code.

       message
              Display a message to the user.

                message([STATUS|WARNING|AUTHOR_WARNING|FATAL_ERROR|SEND_ERROR]
                        "message to display" ...)

              The optional keyword determines the type of message:

                (none)         = Important information
                STATUS         = Incidental information
                WARNING        = CMake Warning, continue processing
                AUTHOR_WARNING = CMake Warning (dev), continue processing
                SEND_ERROR     = CMake Error, continue processing,
                                              but skip generation
                FATAL_ERROR    = CMake Error, stop processing and generation

              The  CMake  command-line  tool  displays  STATUS  messages  on stdout and all other
              message types on stderr.  The CMake GUI displays all messages in its log area.  The
              interactive dialogs (ccmake and CMakeSetup) show STATUS messages one at a time on a
              status line and other messages in interactive pop-up boxes.

              CMake Warning and Error message text  displays  using  a  simple  markup  language.
              Non-indented  text  is  formatted in line-wrapped paragraphs delimited by newlines.
              Indented text is considered pre-formatted.

       option Provides an option that the user can optionally select.

                option(<option_variable> "help string describing option"
                       [initial value])

              Provide an option for the user to select as ON or OFF.   If  no  initial  value  is
              provided, OFF is used.

              If you have options that depend on the values of other options, see the module help
              for CMakeDependentOption.

       remove Deprecated. Use the list(REMOVE_ITEM ) command instead.

                remove(VAR VALUE VALUE ...)

              Removes VALUE from the variable VAR.  This is typically used to remove entries from
              a vector (e.g. semicolon separated list).  VALUE is expanded.

       return Return from a file, directory or function.

                return()

              Returns  from a file, directory or function. When this command is encountered in an
              included file (via include()  or  find_package()),  it  causes  processing  of  the
              current  file  to  stop  and  control  is  returned to the including file. If it is
              encountered in a file which is not included by another file, e.g. a CMakeLists.txt,
              control is returned to the parent directory if there is one. If return is called in
              a function, control is returned to the caller of the function. Note that a macro is
              not a function and does not handle return like a function does.

       separate_arguments
              Parse space-separated arguments into a semicolon-separated list.

                separate_arguments(<var> <UNIX|WINDOWS>_COMMAND "<args>")

              Parses  a  unix-  or  windows-style  command-line  string  "<args>"  and  stores  a
              semicolon-separated list of the arguments in <var>.  The entire command  line  must
              be given in one "<args>" argument.

              The  UNIX_COMMAND  mode  separates arguments by unquoted whitespace.  It recognizes
              both single-quote and double-quote pairs.  A backslash  escapes  the  next  literal
              character (\" is "); there are no special escapes (\n is just n).

              The  WINDOWS_COMMAND  mode  parses a windows command-line using the same syntax the
              runtime library uses to construct argv  at  startup.   It  separates  arguments  by
              whitespace  that is not double-quoted.  Backslashes are literal unless they precede
              double-quotes.  See  the  MSDN  article  "Parsing  C  Command-Line  Arguments"  for
              details.

                separate_arguments(VARIABLE)

              Convert  the  value  of  VARIABLE  to  a semi-colon separated list.  All spaces are
              replaced with ';'.  This helps with generating command lines.

       set    Set a CMake, cache or environment variable to a given value.

                set(<variable> <value>
                    [[CACHE <type> <docstring> [FORCE]] | PARENT_SCOPE])

              Within CMake sets <variable> to the value  <value>.   <value>  is  expanded  before
              <variable> is set to it.  Normally, set will set a regular CMake variable. If CACHE
              is present, then the <variable> is put in the cache instead, unless it  is  already
              in  the  cache.  See section 'Variable types in CMake' below for details of regular
              and  cache  variables  and  their  interactions.  If  CACHE  is  used,  <type>  and
              <docstring>  are  required. <type> is used by the CMake GUI to choose a widget with
              which the user sets a value. The value for <type> may be one of

                FILEPATH = File chooser dialog.
                PATH     = Directory chooser dialog.
                STRING   = Arbitrary string.
                BOOL     = Boolean ON/OFF checkbox.
                INTERNAL = No GUI entry (used for persistent variables).

              If <type> is INTERNAL, the cache variable is marked as internal, and  will  not  be
              shown  to the user in tools like cmake-gui. This is intended for values that should
              be persisted in the cache, but which users should  not  normally  change.  INTERNAL
              implies FORCE.

              Normally,  set(...CACHE...)  creates  cache variables, but does not modify them. If
              FORCE is specified, the value of the cache variable is set, even if the variable is
              already  in  the  cache.  This  should  normally  be avoided, as it will remove any
              changes to the cache variable's value by the user.

              If PARENT_SCOPE is present, the variable will be set in the scope above the current
              scope.  Each  new  directory or function creates a new scope. This command will set
              the value of a variable into the parent directory or calling function (whichever is
              applicable to the case at hand). PARENT_SCOPE cannot be combined with CACHE.

              If <value> is not specified then the variable is removed instead of set.  See also:
              the unset() command.

                set(<variable> <value1> ... <valueN>)

              In this case <variable> is set to a semicolon separated list of values.

              <variable> can be an environment variable such as:

                set( ENV{PATH} /home/martink )

              in which case the environment variable will be set.

              *** Variable types in CMake ***

              In CMake there are two types of variables: normal variables  and  cache  variables.
              Normal  variables are meant for the internal use of the script (just like variables
              in most programming languages); they are not persisted  across  CMake  runs.  Cache
              variables (unless set with INTERNAL) are mostly intended for configuration settings
              where the first CMake run determines a suitable default value, which the  user  can
              then  override,  by editing the cache with tools such as ccmake or cmake-gui. Cache
              variables are stored in the CMake cache file, and are persisted across CMake runs.

              Both types can exist at the same time with the same name but different values. When
              ${FOO}  is  evaluated,  CMake  first looks for a normal variable 'FOO' in scope and
              uses it if set. If and only if no normal variable exists then it falls back to  the
              cache variable 'FOO'.

              Some examples:

              The  code  'set(FOO  "x")'  sets  the  normal variable 'FOO'. It does not touch the
              cache, but it will hide any existing cache value 'FOO'.

              The code 'set(FOO "x" CACHE ...)' checks for  'FOO'  in  the  cache,  ignoring  any
              normal  variable of the same name. If 'FOO' is in the cache then nothing happens to
              either the normal variable or the cache variable. If 'FOO' is  not  in  the  cache,
              then it is added to the cache.

              Finally,  whenever  a  cache variable is added or modified by a command, CMake also
              *removes* the normal variable of the same name from the current scope  so  that  an
              immediately following evaluation of it will expose the newly cached value.

              Normally  projects  should avoid using normal and cache variables of the same name,
              as this interaction can be hard to follow. However, in some situations  it  can  be
              useful. One example (used by some projects):

              A  project  has  a  subproject  in  its  source tree. The child project has its own
              CMakeLists.txt,  which  is  included   from   the   parent   CMakeLists.txt   using
              add_subdirectory().  Now,  if  the  parent  and  the child project provide the same
              option (for example a compiler option), the parent gets the first chance to  add  a
              user-editable  option  to  the  cache.  Normally, the child would then use the same
              value that the parent uses. However, it may be necessary to hard-code the value for
              the  child project's option while still allowing the user to edit the value used by
              the parent project. The parent project can achieve this simply by setting a  normal
              variable  with  the  same  name  as  the  option  in a scope sufficient to hide the
              option's cache variable from the child completely. The parent has already  set  the
              cache  variable,   so  the child's set(...CACHE...) will do nothing, and evaluating
              the option variable will use the value from the normal variable,  which  hides  the
              cache variable.

       set_directory_properties
              Set a property of the directory.

                set_directory_properties(PROPERTIES prop1 value1 prop2 value2)

              Set a property for the current directory and subdirectories. If the property is not
              found, CMake will report an error.  The  properties  include:  INCLUDE_DIRECTORIES,
              LINK_DIRECTORIES,   INCLUDE_REGULAR_EXPRESSION,   and  ADDITIONAL_MAKE_CLEAN_FILES.
              ADDITIONAL_MAKE_CLEAN_FILES is a list of files that will be cleaned as  a  part  of
              "make clean" stage.

       set_property
              Set a named property in a given scope.

                set_property(<GLOBAL                            |
                              DIRECTORY [dir]                   |
                              TARGET    [target1 [target2 ...]] |
                              SOURCE    [src1 [src2 ...]]       |
                              TEST      [test1 [test2 ...]]     |
                              CACHE     [entry1 [entry2 ...]]>
                             [APPEND] [APPEND_STRING]
                             PROPERTY <name> [value1 [value2 ...]])

              Set one property on zero or more objects of a scope.  The first argument determines
              the scope in which the property is set.  It must be one of the following:

              GLOBAL scope is unique and does not accept a name.

              DIRECTORY scope defaults to the current directory but  another  directory  (already
              processed by CMake) may be named by full or relative path.

              TARGET scope may name zero or more existing targets.

              SOURCE  scope may name zero or more source files.  Note that source file properties
              are visible only to targets added in the same directory (CMakeLists.txt).

              TEST scope may name zero or more existing tests.

              CACHE scope must name zero or more cache existing entries.

              The required PROPERTY option is immediately followed by the name of the property to
              set.   Remaining  arguments are used to compose the property value in the form of a
              semicolon-separated list.  If the APPEND option is given the list  is  appended  to
              any  existing  property  value.If  the  APPEND_STRING option is given the string is
              append to any existing property value as string, i.e. it results in a longer string
              and not a list of strings.

       site_name
              Set the given variable to the name of the computer.

                site_name(variable)

       string String operations.

                string(REGEX MATCH <regular_expression>
                       <output variable> <input> [<input>...])
                string(REGEX MATCHALL <regular_expression>
                       <output variable> <input> [<input>...])
                string(REGEX REPLACE <regular_expression>
                       <replace_expression> <output variable>
                       <input> [<input>...])
                string(REPLACE <match_string>
                       <replace_string> <output variable>
                       <input> [<input>...])
                string(<MD5|SHA1|SHA224|SHA256|SHA384|SHA512>
                       <output variable> <input>)
                string(COMPARE EQUAL <string1> <string2> <output variable>)
                string(COMPARE NOTEQUAL <string1> <string2> <output variable>)
                string(COMPARE LESS <string1> <string2> <output variable>)
                string(COMPARE GREATER <string1> <string2> <output variable>)
                string(ASCII <number> [<number> ...] <output variable>)
                string(CONFIGURE <string1> <output variable>
                       [@ONLY] [ESCAPE_QUOTES])
                string(TOUPPER <string1> <output variable>)
                string(TOLOWER <string1> <output variable>)
                string(LENGTH <string> <output variable>)
                string(SUBSTRING <string> <begin> <length> <output variable>)
                string(STRIP <string> <output variable>)
                string(RANDOM [LENGTH <length>] [ALPHABET <alphabet>]
                       [RANDOM_SEED <seed>] <output variable>)
                string(FIND <string> <substring> <output variable> [REVERSE])
                string(TIMESTAMP <output variable> [<format string>] [UTC])
                string(MAKE_C_IDENTIFIER <input string> <output variable>)

              REGEX  MATCH  will  match  the  regular  expression once and store the match in the
              output variable.

              REGEX MATCHALL will match the regular expression as  many  times  as  possible  and
              store the matches in the output variable as a list.

              REGEX  REPLACE  will  match  the  regular  expression as many times as possible and
              substitute the replacement expression for the match in  the  output.   The  replace
              expression  may  refer to paren-delimited subexpressions of the match using \1, \2,
              ..., \9.  Note that two backslashes (\\1) are required  in  CMake  code  to  get  a
              backslash through argument parsing.

              REPLACE   will   replace   all  occurrences  of  match_string  in  the  input  with
              replace_string and store the result in the output.

              MD5, SHA1, SHA224, SHA256, SHA384, and SHA512 will compute a cryptographic hash  of
              the input string.

              COMPARE  EQUAL/NOTEQUAL/LESS/GREATER  will  compare  the  strings and store true or
              false in the output variable.

              ASCII will convert all numbers into corresponding ASCII characters.

              CONFIGURE will transform a string like CONFIGURE_FILE transforms a file.

              TOUPPER/TOLOWER will convert string to upper/lower characters.

              LENGTH will return a given string's length.

              SUBSTRING will return a substring of a given string. If length is -1 the  remainder
              of the string starting at begin will be returned.

              STRIP  will  return  a substring of a given string with leading and trailing spaces
              removed.

              RANDOM will return a random string of given length consisting  of  characters  from
              the  given  alphabet.  Default  length  is 5 characters and default alphabet is all
              numbers and upper and lower case letters.  If an integer RANDOM_SEED is given,  its
              value will be used to seed the random number generator.

              FIND  will  return the position where the given substring was found in the supplied
              string. If the REVERSE flag was used, the command will search for the  position  of
              the last occurrence of the specified substring.

              The following characters have special meaning in regular expressions:

                 ^         Matches at beginning of input
                 $         Matches at end of input
                 .         Matches any single character
                 [ ]       Matches any character(s) inside the brackets
                 [^ ]      Matches any character(s) not inside the brackets
                  -        Inside brackets, specifies an inclusive range between
                           characters on either side e.g. [a-f] is [abcdef]
                           To match a literal - using brackets, make it the first
                           or the last character e.g. [+*/-] matches basic
                           mathematical operators.
                 *         Matches preceding pattern zero or more times
                 +         Matches preceding pattern one or more times
                 ?         Matches preceding pattern zero or once only
                 |         Matches a pattern on either side of the |
                 ()        Saves a matched subexpression, which can be referenced
                           in the REGEX REPLACE operation. Additionally it is saved
                           by all regular expression-related commands, including
                           e.g. if( MATCHES ), in the variables CMAKE_MATCH_(0..9).

              *,  +  and ? have higher precedence than concatenation. | has lower precedence than
              concatenation. This means that the regular expression "^ab+d$" matches  "abbd"  but
              not "ababd", and the regular expression "^(ab|cd)$" matches "ab" but not "abd".

              TIMESTAMP will write a string representation of the current date and/or time to the
              output variable.

              Should the command be unable to obtain a timestamp the output variable will be  set
              to the empty string "".

              The  optional  UTC  flag  requests  the  current  date/time representation to be in
              Coordinated Universal Time (UTC) rather than local time.

              The optional <format string> may contain the following format specifiers:

                 %d        The day of the current month (01-31).
                 %H        The hour on a 24-hour clock (00-23).
                 %I        The hour on a 12-hour clock (01-12).
                 %j        The day of the current year (001-366).
                 %m        The month of the current year (01-12).
                 %M        The minute of the current hour (00-59).
                 %S        The second of the current minute.
                           60 represents a leap second. (00-60)
                 %U        The week number of the current year (00-53).
                 %w        The day of the current week. 0 is Sunday. (0-6)
                 %y        The last two digits of the current year (00-99)
                 %Y        The current year.

              Unknown format specifiers will be ignored and copied to the output as-is.

              If no explicit <format string> is given it will default to:

                 %Y-%m-%dT%H:%M:%S    for local time.
                 %Y-%m-%dT%H:%M:%SZ   for UTC.

              MAKE_C_IDENTIFIER will write a string which can be used as an identifier in C.

       unset  Unset a variable, cache variable, or environment variable.

                unset(<variable> [CACHE])

              Removes the specified variable causing it to become undefined.  If CACHE is present
              then the variable is removed from the cache instead of the current scope.

              <variable> can be an environment variable such as:

                unset(ENV{LD_LIBRARY_PATH})

              in which case the variable will be removed from the current environment.

       use_mangled_mesa
              Copy mesa headers for use in combination with system GL.

                use_mangled_mesa(PATH_TO_MESA OUTPUT_DIRECTORY)

              The path to mesa includes, should contain gl_mangle.h.  The mesa headers are copied
              to the specified output directory.  This allows mangled mesa  headers  to  override
              other GL headers by being added to the include directory path earlier.

       variable_watch
              Watch the CMake variable for change.

                variable_watch(<variable name> [<command to execute>])

              If  the  specified variable changes, the message will be printed about the variable
              being changed. If the command is specified,  the  command  will  be  executed.  The
              command  will  receive the following arguments: COMMAND(<variable> <access> <value>
              <current list file> <stack>)

       while  Evaluate a group of commands while a condition is true

                while(condition)
                  COMMAND1(ARGS ...)
                  COMMAND2(ARGS ...)
                  ...
                endwhile(condition)

              All commands between while and the matching endwhile  are  recorded  without  being
              invoked.   Once the endwhile is evaluated, the recorded list of commands is invoked
              as long as the condition is true. The condition is evaluated using the  same  logic
              as the if command.

       write_file
              Deprecated. Use the file(WRITE ) command instead.

                write_file(filename "message to write"... [APPEND])

              The  first  argument  is  the  file name, the rest of the arguments are messages to
              write. If the argument APPEND is specified, then the message will be appended.

              NOTE 1: file(WRITE ... and file(APPEND ... do exactly the same as this one but  add
              some more functionality.

              NOTE 2: When using write_file the produced file cannot be used as an input to CMake
              (CONFIGURE_FILE, source file ...) because it will lead to  an  infinite  loop.  Use
              configure_file if you want to generate input files to CMake.

PROPERTIES

         CMake Properties - Properties supported by CMake, the Cross-Platform Makefile Generator.

       This  is  the  documentation  for  the  properties supported by CMake. Properties can have
       different scopes. They can either be assigned to a source file, a directory, a  target  or
       globally to CMake. By modifying the values of properties the behaviour of the build system
       can be customized.

COMPATIBILITY COMMANDS

         CMake Compatibility Listfile Commands - Obsolete commands supported by CMake for compatibility.

       This is the documentation for now obsolete listfile commands from previous CMake versions,
       which  are  still  supported  for compatibility reasons. You should instead use the newer,
       faster and shinier new commands. ;-)

MODULES

COPYRIGHT

       Copyright 2000-2012 Kitware, Inc., Insight Software Consortium.  All rights reserved.

       Redistribution and use in source and binary  forms,  with  or  without  modification,  are
       permitted provided that the following conditions are met:

       Redistributions  of  source  code  must  retain  the  above copyright notice, this list of
       conditions and the following disclaimer.

       Redistributions in binary form must reproduce the above copyright  notice,  this  list  of
       conditions  and  the  following  disclaimer  in  the  documentation and/or other materials
       provided with the distribution.

       Neither the names of Kitware, Inc., the Insight Software  Consortium,  nor  the  names  of
       their  contributors  may be used to endorse or promote products derived from this software
       without specific prior written permission.

       THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT  HOLDERS  AND  CONTRIBUTORS  "AS  IS"  AND  ANY
       EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
       MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
       COPYRIGHT  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
       EXEMPLARY, OR CONSEQUENTIAL  DAMAGES  (INCLUDING,  BUT  NOT  LIMITED  TO,  PROCUREMENT  OF
       SUBSTITUTE  GOODS  OR  SERVICES;  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
       HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT  LIABILITY,  OR
       TORT  (INCLUDING  NEGLIGENCE  OR  OTHERWISE)  ARISING  IN  ANY  WAY OUT OF THE USE OF THIS
       SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

SEE ALSO

       cmake(1), ccmake(1)

       The following resources are available to get help using CMake:

       Home Page
              http://www.cmake.org

              The primary starting point for learning about CMake.

       Frequently Asked Questions
              http://www.cmake.org/Wiki/CMake_FAQ

              A Wiki is provided containing answers to frequently asked questions.

       Online Documentation
              http://www.cmake.org/HTML/Documentation.html

              Links to available documentation may be found on this web page.

       Mailing List
              http://www.cmake.org/HTML/MailingLists.html

              For help  and  discussion  about  using  cmake,  a  mailing  list  is  provided  at
              cmake@cmake.org.  The list is member-post-only but one may sign up on the CMake web
              page. Please first read  the  full  documentation  at  http://www.cmake.org  before
              posting questions to the list.

AUTHOR

       This manual page was generated by the "--help-man" option.