config/configure: ignore utimensat on GNU/kFreeBSD.

Even though we'll find it, it won't work.

See also:

  http://bugs.debian.org/651104
  http://lists.debian.org/debian-bsd/2011/03/msg00063.html

Signed-off-by: Gonéri Le Bouder <goneri@rulezlan.org>
[rlb@defaultvalue.org: adjust indentation, comments, and message.]
Signed-off-by: Rob Browning <rlb@defaultvalue.org>

diff --git a/config/configure b/config/configure
index 6f47f84fc5c06ba69da097c6f9ffde4497cec038..e3866ecec15d30d44da14a18ab4ea84ea2362fce 100755 (executable)
--- a/config/configure
+++ b/config/configure
@@ -49,7 +49,10 @@ AC_CHECK_HEADERS unistd.h
 AC_CHECK_HEADERS linux/fs.h
 AC_CHECK_HEADERS sys/ioctl.h
 
-AC_CHECK_FUNCS utimensat 
+# On GNU/kFreeBSD utimensat is defined in GNU libc, but won't work.
+if [ -z "$OS_GNUKFREEBSD" ]; then
+    AC_CHECK_FUNCS utimensat
+fi
 AC_CHECK_FUNCS utimes
 AC_CHECK_FUNCS lutimes