Add check for _GNU_SOURCE.

diff --git a/configure.ac b/configure.ac
index 52901d328b1560b8cfcab010bf14994d1bc21157..efb83e3a8569a34339099aed5c2df82d019803e6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_INIT([cronie],[1.1],[mmaslano@redhat.com])
 AC_CONFIG_HEADER([config.h])
-AC_PREREQ(2.59)
+AC_PREREQ(2.60)
 
 AM_INIT_AUTOMAKE
 
@@ -12,6 +12,9 @@ AC_PROG_CC
 AC_PROG_INSTALL
 AC_PROG_LN_S
 
+dnl Check for _GNU_SOURCE
+AC_USE_SYSTEM_EXTENSIONS
+
 AC_CHECK_HEADERS( \
         dirent.h \
         fcntl.h \