ETR_SYSV_IPC
, 

2001年05月25日

Warren Young <warren@etr-usa.com>

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Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. Users of this software should generally follow the principles of the MIT License includings its disclaimer.

cryp.to ac-archive's Miscellaneous (released)

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.

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