1dnl 2dnl $Id$ 3dnl 4 5PHP_ARG_ENABLE(sysvsem,whether to enable System V semaphore support, 6[ --enable-sysvsem Enable System V semaphore support]) 7 8if test "$PHP_SYSVSEM" != "no"; then 9 PHP_NEW_EXTENSION(sysvsem, sysvsem.c, $ext_shared) 10 AC_DEFINE(HAVE_SYSVSEM, 1, [ ]) 11 AC_CACHE_CHECK(for union semun,php_cv_semun, 12 AC_TRY_COMPILE([ 13#include <sys/types.h> 14#include <sys/ipc.h> 15#include <sys/sem.h> 16 ], 17 [union semun x;], 18 [ 19 php_cv_semun=yes 20 ],[ 21 php_cv_semun=no 22 ]) 23 ) 24 if test "$php_cv_semun" = "yes"; then 25 AC_DEFINE(HAVE_SEMUN, 1, [ ]) 26 else 27 AC_DEFINE(HAVE_SEMUN, 0, [ ]) 28 fi 29fi 30