X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Ffcntl_h.m4;h=1ae0b15a97e7e4c7a736e74e1f7a70777979a2e4;hb=f249140854f1966d3f2333f58fa4ddd8d96001ce;hp=4a7fc42b2b2f5f98119361049b5d8ad2fbd1c7ea;hpb=42d1eda5dcce2d68deab7a642e7f29bcd7144a0d;p=gnulib.git

diff --git a/m4/fcntl_h.m4 b/m4/fcntl_h.m4
index 4a7fc42b2..1ae0b15a9 100644
--- a/m4/fcntl_h.m4
+++ b/m4/fcntl_h.m4
@@ -9,6 +9,8 @@ dnl Written by Paul Eggert.
 AC_DEFUN([gl_FCNTL_H],
 [
   AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
+  dnl Persuade glibc <fcntl.h> to define O_NOATIME and O_NOFOLLOW.
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
   AC_CACHE_CHECK([for working fcntl.h], [gl_cv_header_working_fcntl_h],
     [AC_RUN_IFELSE(
        [AC_LANG_PROGRAM(