Make fcntl module detect O_NOATIME, O_NOFOLLOW on GNU/Linux.

diff --git a/ChangeLog b/ChangeLog
index 80aed98..400685b 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-04-12  Ben Pfaff  <blp@gnu.org>
+
+       Make fcntl module detect O_NOATIME, O_NOFOLLOW on GNU/Linux.
+       * m4/fcntl_h.m4 (gl_FCNTL_H): Require AC_USE_SYSTEM_EXTENSIONS.
+
 2009-03-20  Ben Pfaff  <blp@gnu.org>
 
        Make rename replace existing destinations on Windows.

diff --git a/m4/fcntl_h.m4 b/m4/fcntl_h.m4
index 4a7fc42..f2b09f3 100644 (file)
--- a/m4/fcntl_h.m4
+++ b/m4/fcntl_h.m4
@@ -8,6 +8,7 @@ dnl Written by Paul Eggert.
 
 AC_DEFUN([gl_FCNTL_H],
 [
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
   AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
   AC_CACHE_CHECK([for working fcntl.h], [gl_cv_header_working_fcntl_h],
     [AC_RUN_IFELSE(