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ETR_SYSV_IPC
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.
Warren Young <warren@etr-usa.com>
2001-05-25
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
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