diff options
Diffstat (limited to '')
| -rw-r--r-- | acinclude.m4 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index b6c1f656f..f540edc63 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -116,6 +116,7 @@ define(WK_CHECK_CACHE, ###################################################################### # Check for SysV IPC (from GIMP) +# And see whether we have a SHM_LOCK (FreeBSD does not have it). ###################################################################### dnl WK_CHECK_IPC dnl @@ -150,6 +151,15 @@ define(WK_CHECK_IPC, AC_MSG_RESULT(yes), AC_MSG_RESULT(no), AC_MSG_RESULT(assuming no)) + AC_MSG_CHECKING(whether SHM_LOCK is available) + AC_TRY_COMPILE([#include <sys/types.h> + #include <sys/ipc.h> + #include <sys/shm.h>],[ + int foo( int shm_id ) { shmctl(shm_id, SHM_LOCK, 0); } + ], + AC_DEFINE(IPC_HAVE_SHM_LOCK) + AC_MSG_RESULT(yes), + AC_MSG_RESULT(no)) fi ]) @@ -165,6 +175,7 @@ define(WK_CHECK_MLOCK, if test "$ac_cv_func_mlock" = "yes"; then AC_MSG_CHECKING(whether mlock is broken) AC_TRY_RUN([ + #include <stdlib.h> #include <unistd.h> #include <errno.h> #include <sys/mman.h> |