summaryrefslogtreecommitdiff
path: root/src/configure.in
diff options
context:
space:
mode:
Diffstat (limited to 'src/configure.in')
-rw-r--r--src/configure.in9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/configure.in b/src/configure.in
index 1410d4c09f..7b29966230 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -526,6 +526,15 @@ AC_TRY_LINK([#include <sys/types.h>
[AC_DEFINE(HAVE_UNION_SEMUN) AC_MSG_RESULT(yes)],
AC_MSG_RESULT(no))
+AC_MSG_CHECKING(for fcntl(F_SETLK))
+AC_TRY_LINK([#include <fcntl.h>],
+ [struct flock lck;
+ lck.l_whence = SEEK_SET; lck.l_start = lck.l_len = 0;
+ lck.l_type = F_WRLCK;
+ fcntl(0, F_SETLK, &lck);],
+ [AC_DEFINE(HAVE_FCNTL_SETLK) AC_MSG_RESULT(yes)],
+ AC_MSG_RESULT(no))
+
AC_MSG_CHECKING(for good DBL_MIN)
AC_TRY_RUN([#include <stdlib.h>
#include <math.h>