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Collection of DPF-based plugins for packaging
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DPF-Plugins/plugins/ProM/projectM/m4/autoconf-archive/ax_sysv_ipc.m4

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  1. # ===========================================================================

  2. #       https://www.gnu.org/software/autoconf-archive/ax_sysv_ipc.html

  3. # ===========================================================================

  4. #

  5. # SYNOPSIS

  6. #

  7. #   AX_SYSV_IPC

  8. #

  9. # DESCRIPTION

  10. #

  11. #   This macro checks for the SysV IPC header files. It only checks that you

  12. #   can compile a program with them, not whether the system actually

  13. #   implements working SysV IPC.

  14. #

  15. # LICENSE

  16. #

  17. #   Copyright (c) 2008 Warren Young <warren@etr-usa.com>

  18. #

  19. #   Copying and distribution of this file, with or without modification, are

  20. #   permitted in any medium without royalty provided the copyright notice

  21. #   and this notice are preserved. This file is offered as-is, without any

  22. #   warranty.

  23. 

  24. #serial 8

  25. 

  26. AU_ALIAS([ETR_SYSV_IPC], [AX_SYSV_IPC])

  27. AC_DEFUN([AX_SYSV_IPC],

  28. [

  29. AC_CACHE_CHECK([for System V IPC headers], ac_cv_sysv_ipc, [

  30.         AC_TRY_COMPILE(

  31.                 [

  32.                         #include <sys/types.h>

  33.                         #include <sys/ipc.h>

  34.                         #include <sys/msg.h>

  35.                         #include <sys/sem.h>

  36.                         #include <sys/shm.h>

  37.                 ],, ac_cv_sysv_ipc=yes, ac_cv_sysv_ipc=no)

  38. ])

  39. 

  40.         if test x"$ac_cv_sysv_ipc" = "xyes"

  41.         then

  42.                 AC_DEFINE(HAVE_SYSV_IPC, 1, [ Define if you have System V IPC ])

  43.         fi

  44. ]) dnl AX_SYSV_IPC