php-src/ext/sysvsem/config.m4

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dnl $Id$
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PHP_ARG_ENABLE(sysvsem,whether to enable System V semaphore support,
[ --enable-sysvsem Enable System V semaphore support.])
if test "$PHP_SYSVSEM" != "no"; then
PHP_NEW_EXTENSION(sysvsem, sysvsem.c, $ext_shared)
AC_DEFINE(HAVE_SYSVSEM, 1, [ ])
AC_CACHE_CHECK(for union semun,php_cv_semun,
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
],
[union semun x;],
[
php_cv_semun=yes
],[
php_cv_semun=no
])
)
if test "$php_cv_semun" = "yes"; then
AC_DEFINE(HAVE_SEMUN, 1, [ ])
else
AC_DEFINE(HAVE_SEMUN, 0, [ ])
fi
fi