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       widl - Wine Interface Definition Language (IDL) compiler


       widl [options] IDL_file
       widl [options] --dlldata-only name1 [name2...]


       When  no options are used the program will generate a header file, and possibly client and
       server stubs, proxy and dlldata files, a typelib,  and  a  UUID  file,  depending  on  the
       contents  of  the IDL file.  If any of the options -c, -h, -p, -s, -t, -u or --local-stubs
       is given, widl will only generate the requested files,  and  no  others.   When  run  with
       --dlldata-only,  widl will only generate a dlldata file, and it will contain a list of the
       names passed as arguments.  Usually the way this file is updated is that each time widl is
       run,  it  reads  any  existing dlldata file, and if necessary regenerates it with the same
       list of names, but with the present proxy file included.

       When run without any arguments, widl will print a help message.


       General options:

       -V     Print version number and exit.

       -o, --output=name
              Set the name of the output file. When generating multiple output files,  this  sets
              only  the base name of the file; the respective output files are then named name.h,
              name_p.c, etc.

       -b cpu-manufacturer[-kernel]-os
              Set the target architecture when cross-compiling. The target  specification  is  in
              the standard autoconf format as returned by config.sub.

       Header options:

       -h     Generate header files. The default output filename is infile.h.

              Use old naming conventions.

       Type library options:

       -t     Generate  a type library. The default output filename is infile.tlb.  If the output
              file name ends in .res, a binary resource  file  containing  the  type  library  is
              generated instead.

       -m32, -m64
              Generate a Win32 or Win64 type library respectively.

       UUID file options:

       -u     Generate a UUID file. The default output filename is infile_i.c.

       Proxy/stub generation options:

       -c     Generate a client stub file. The default output filename is infile_c.c.

       -Os    Generate inline stubs.

       -Oi    Generate old-style interpreted stubs.

       -Oif, -Oic, -Oicf
              Generate new-style fully interpreted stubs.

       -p     Generate a proxy. The default output filename is infile_p.c.

              Prefix to put on the name of both client and server stubs.

              Prefix to put on the name of client stubs.

              Prefix to put on the name of server stubs.

       -s     Generate a server stub file. The default output filename is infile_s.c.

       --win32, --win64
              Only  generate  32-bit or 64-bit code respectively (the default is to generate both
              32-bit and 64-bit versions into the same destination file).

       --rt   Enable additional language extensions for IDL to support WinRT.

       Registration script options:

       -r     Generate a registration script. The default output filename is infile_r.rgs. If the
              output  file  name  ends  in  .res, a binary resource file containing the script is
              generated instead.

       Dlldata file options:

       --dlldata-only name1 [name2...]
              Regenerate the dlldata file from scratch  using  the  specified  proxy  names.  The
              default output filename is dlldata.c.

       Preprocessor options:

       -I path
              Add a header search directory to path. Multiple search directories are allowed.

       -D id[=val]
              Define preprocessor macro id with value val.

       -E     Preprocess only.

       -N     Do not preprocess input.

       Debug options:

       -W     Enable pedantic warnings.

       -d n   Set  debug  level  to  the non negative integer n.  If prefixed with 0x, it will be
              interpreted as an hexadecimal number.  For the meaning of  values,  see  the  DEBUG

       Miscellaneous options:

              Ignored, present for midl compatibility.

              Generate  empty  stubs  for  call_as/local methods in an object interface and write
              them to file.


       Debug level n is a bitmask with the following meaning:
           * 0x01 Tell which resource is parsed (verbose mode)
           * 0x02 Dump internal structures
           * 0x04 Create a parser trace (yydebug=1)
           * 0x08 Preprocessor messages
           * 0x10 Preprocessor lex messages
           * 0x20 Preprocessor yacc trace


       Bugs can be reported on the Wine bug tracker⟩.


       widl was originally written by Ove Kåven.  It has  been  improved  by  Rob  Shearman,  Dan
       Hipschman,  and  others.  For a complete list, see the git commit logs.  This man page was
       originally written by Hannu Valtonen and then updated by Dan Hipschman.


       widl is part of the Wine  distribution,  which  is  available  through  WineHQ,  the  Wine
       development headquarters⟩.


       Wine documentation and support⟩.