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NAME

       ocamldep - Dependency generator for OCaml

SYNOPSIS

       ocamldep [ options ] filename ...

DESCRIPTION

       The  ocamldep(1)  command  scans  a  set  of  OCaml  source files (.ml and .mli files) for
       references to external compilation  units,  and  outputs  dependency  lines  in  a  format
       suitable  for the make(1) utility. This ensures that make will compile the source files in
       the correct order, and recompile those files that need to when a source file is modified.

       The typical usage is:

       ocamldep options *.mli *.ml > .depend

       where .depend is the file that should contain the dependencies.

       Dependencies are generated both for compiling with the  bytecode  compiler  ocamlc(1)  and
       with the native-code compiler ocamlopt(1).

OPTIONS

       The following command-line options are recognized by ocamldep(1).

       -absname
              Show absolute filenames in error messages.

       -I directory
              Add  the given directory to the list of directories searched for source files. If a
              source file foo.ml mentions an external compilation unit Bar, a dependency on  that
              unit's  interface  bar.cmi  is generated only if the source for bar is found in the
              current directory or in one of the directories specified with -I.   Otherwise,  Bar
              is  assumed  to  be  a  module  from  the standard library, and no dependencies are
              generated. For programs that span multiple directories, it is recommended  to  pass
              ocamldep(1) the same -I options that are passed to the compiler.

       -ml-synonym .ext
              Consider the given extension (with leading dot) to be a synonym for .ml.

       -mli-synonym .ext
              Consider the given extension (with leading dot) to be a synonym for .mli.

       -modules
              Output  raw  dependencies  of  the form filename: Module1 Module2 ... ModuleN where
              Module1, ..., ModuleN are the names of the compilation units referenced within  the
              file  filename,  but  these  names are not resolved to source file names.  Such raw
              dependencies cannot be used by make(1), but can be post-processed  by  other  tools
              such as Omake(1).

       -native
              Generate  dependencies  for a pure native-code program (no bytecode version).  When
              an implementation file (.ml file) has  no  explicit  interface  file  (.mli  file),
              ocamldep(1)  generates  dependencies  on  the bytecode compiled file (.cmo file) to
              reflect interface changes.  This can cause unnecessary bytecode recompilations  for
              programs   that  are  compiled  to  native-code  only.   The  flag  -native  causes
              dependencies on native compiled files (.cmx) to be generated  instead  of  on  .cmo
              files.   (This  flag  makes  no  difference  if all source files have explicit .mli
              interface files.)

       -pp command
              Cause ocamldep(1) to call the given command as a preprocessor for each source file.

       -ppx command
              Pipe abstract syntax tree through preprocessor command.

       -slash Under Unix, this option does nothing.

       -version
              Print version string and exit.

       -vnum  Print short version number and exit.

       -help or --help
              Display a short usage summary and exit.

SEE ALSO

       ocamlc(1), ocamlopt(1).
       The OCaml user's manual, chapter "Dependency generator".

                                                                                      OCAMLDEP(1)