[SCM] GNU Autoconf source repository branch, master, updated. v2.68-80-gdb2f2e0

[Paul Eggert]

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- Log -----------------------------------------------------------------
commit db2f2e0b6b37fdbb7463e6d7446f7fd7c306376a
Author: Paul Eggert <address@hidden>
Date:   Sat Jul 30 13:00:02 2011 -0700

    * lib/autoconf/specific.m4 (AC_SYS_LARGEFILE): Port to Mac OS X 10.5
    
    by defining _DARWIN_USE_64_BIT_INODE.  Imported from gnulib.

commit c35cade05f92ec70f7e32ba9c9974e80a1b2999e
Author: Paul Eggert <address@hidden>
Date:   Fri Jul 22 14:19:32 2011 -0700

    * lib/autoconf/specific.m4 (AC_USE_SYSTEM_EXTENSIONS): Quote cleanly.
    
    This is imported from gnulib.  gnulib also has an HP-UX 11.11 fix, but
    let's see if we can do that another way, as it's pretty heaviweight.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                |   11 +++++++++++
 lib/autoconf/specific.m4 |   12 +++++++++---
 2 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index e225350..d1b4a2f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2011-07-30  Paul Eggert  <address@hidden>
+
+       * lib/autoconf/specific.m4 (AC_SYS_LARGEFILE): Port to Mac OS X 10.5
+       by defining _DARWIN_USE_64_BIT_INODE.  Imported from gnulib.
+
+2011-07-22  Paul Eggert  <address@hidden>
+
+       * lib/autoconf/specific.m4 (AC_USE_SYSTEM_EXTENSIONS): Quote cleanly.
+       This is imported from gnulib.  gnulib also has an HP-UX 11.11 fix, but
+       let's see if we can do that another way, as it's pretty heaviweight.
+
 2011-07-22  Eric Blake  <address@hidden>
 
        docs: fix minor doc problems
diff --git a/lib/autoconf/specific.m4 b/lib/autoconf/specific.m4
index 2630edb..2891bfb 100644
--- a/lib/autoconf/specific.m4
+++ b/lib/autoconf/specific.m4
@@ -167,6 +167,12 @@ if test "$enable_largefile" != no; then
       [Define for large files, on AIX-style hosts.],
       [_AC_SYS_LARGEFILE_TEST_INCLUDES])
   fi
+
+  AH_VERBATIM([_DARWIN_USE_64_BIT_INODE],
+[/* Enable large inode numbers on Mac OS X 10.5.  */
+#ifndef _DARWIN_USE_64_BIT_INODE
+# define _DARWIN_USE_64_BIT_INODE 1
+#endif])
 fi
 ])# AC_SYS_LARGEFILE
 
@@ -402,9 +408,9 @@ dnl configure.ac when using autoheader 2.62.
   AC_CACHE_CHECK([whether it is safe to define __EXTENSIONS__],
     [ac_cv_safe_to_define___extensions__],
     [AC_COMPILE_IFELSE(
-       [AC_LANG_PROGRAM([
-#        define __EXTENSIONS__ 1
-         AC_INCLUDES_DEFAULT])],
+       [AC_LANG_PROGRAM([[
+#         define __EXTENSIONS__ 1
+          ]AC_INCLUDES_DEFAULT])],
        [ac_cv_safe_to_define___extensions__=yes],
        [ac_cv_safe_to_define___extensions__=no])])
   test $ac_cv_safe_to_define___extensions__ = yes &&


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