Re: make fcntl module detect O_NOATIME, O_NOFOLLOW on GNU/Linux

[Bruno Haible]

Ben Pfaff wrote:
> >>     Make fcntl module detect O_NOATIME, O_NOFOLLOW on GNU/Linux.
> >
> > Looks correct to me.
> 
> Thanks, I pushed this to master.

Fine. I'm adding a comment and also a dependency in the module (needed
if an autoconf < 2.62 is in use).

Bruno


2009-04-14  Bruno Haible  <address@hidden>

        * modules/fcntl (Depends-on): Add extensions.
        * m4/fcntl_h.m4 (gl_FCNTL_H): Add a comment.

--- m4/fcntl_h.m4.orig  2009-04-14 21:28:51.000000000 +0200
+++ m4/fcntl_h.m4       2009-04-14 21:27:41.000000000 +0200
@@ -8,8 +8,9 @@
 
 AC_DEFUN([gl_FCNTL_H],
 [
-  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
   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(
--- modules/fcntl.orig  2009-04-14 21:28:51.000000000 +0200
+++ modules/fcntl       2009-04-14 21:25:33.000000000 +0200
@@ -8,6 +8,7 @@
 Depends-on:
 include_next
 unistd
+extensions
 
 configure.ac:
 gl_FCNTL_H