Macro: etr_sysv_ipc

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Synopsis

  `ETR_SYSV_IPC`

Version

  1.1 (2001/07/26) Miscellaneous @ ac-archive-0.5.39

Author

  Warren Young <warren@etr-usa.com>

Description

  This macro checks for the SysV IPC header files. It only checks that you can compile a program with them, not whether the system actually implements working SysV IPC.

M4 Source Code

      AC_DEFUN([ETR_SYSV_IPC],
      [
      AC_CACHE_CHECK([for System V IPC headers], ac_cv_sysv_ipc, [
              AC_TRY_COMPILE(
                      [
                              #include <sys/types.h>
                              #include <sys/ipc.h>
                              #include <sys/msg.h>
                              #include <sys/sem.h>
                              #include <sys/shm.h>
                      ],, ac_cv_sysv_ipc=yes, ac_cv_sysv_ipc=no)
      ])

              if test x"$ac_cv_sysv_ipc" = "xyes"
              then
                      AC_DEFINE(HAVE_SYSV_IPC, 1, [ Define if you have System V IPC ])
              fi
      ]) dnl ETR_SYSV_IPC