[SCM] GNU Autoconf source repository branch, master, updated. v2.63-269-gaa30765

[Eric Blake]

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- Log -----------------------------------------------------------------
commit aa30765d64d4a50ad7ce83e78b5699223571ef36
Author: Eric Blake <address@hidden>
Date:   Wed Jan 28 09:57:08 2009 -0700

    Fix AC_C_RESTRICT for Sun Studio 12 C++.
    
    * lib/autoconf/c.m4 (AC_C_RESTRICT): Newer Sun Studio C provides
    __restrict__ rather than _Restrict, which still trips up Sun
    Studio 12 C++.
    * THANKS: Update.
    Reported by Rolf Vandevaart.
    
    Signed-off-by: Eric Blake <address@hidden>

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

Summary of changes:
 ChangeLog         |    9 +++++++++
 THANKS            |    1 +
 lib/autoconf/c.m4 |   15 ++++++++-------
 3 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 2885f27..44e147c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
 2009-01-28  Eric Blake  <address@hidden>
 
+       Fix AC_C_RESTRICT for Sun Studio 12 C++.
+       * lib/autoconf/c.m4 (AC_C_RESTRICT): Newer Sun Studio C provides
+       __restrict__ rather than _Restrict, which still trips up Sun
+       Studio 12 C++.
+       * THANKS: Update.
+       Reported by Rolf Vandevaart.
+
+2009-01-28  Eric Blake  <address@hidden>
+
        Fix years in copyright notices.
        * lib/m4sugar/m4sugar.m4 (m4_copyright_condense): New macro,
        undocumented for now.
diff --git a/THANKS b/THANKS
index 54310b5..74895cf 100644
--- a/THANKS
+++ b/THANKS
@@ -304,6 +304,7 @@ Roberto Bagnara             address@hidden
 Roger Leigh                 address@hidden
 Roland McGrath              address@hidden
 Rolf Ebert                  address@hidden
+Rolf Vandevaart             address@hidden
 Romain Lenglet              address@hidden
 Ruediger Kuhlmann           address@hidden
 Russ Allbery                address@hidden
diff --git a/lib/autoconf/c.m4 b/lib/autoconf/c.m4
index beaf0b1..3fa9c04 100644
--- a/lib/autoconf/c.m4
+++ b/lib/autoconf/c.m4
@@ -1,7 +1,7 @@
 # This file is part of Autoconf.                       -*- Autoconf -*-
 # Programming languages support.
-# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free
-# Software Foundation, Inc.
+# Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+# Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -1604,13 +1604,14 @@ AC_DEFUN([AC_C_RESTRICT],
    nothing if this is not supported.  Do not define if restrict is
    supported directly.  */
 #undef restrict
-/* Work around a bug in Sun C++: it does not support _Restrict, even
-   though the corresponding Sun C compiler does, which causes
-   "#define restrict _Restrict" in the previous line.  Perhaps some future
-   version of Sun C++ will work with _Restrict; if so, it'll probably
-   define __RESTRICT, just as Sun C does.  */
+/* Work around a bug in Sun C++: it does not support _Restrict or
+   __restrict__, even though the corresponding Sun C compiler ends up with
+   "#define restrict _Restrict" or "#define restrict __restrict__" in the
+   previous line.  Perhaps some future version of Sun C++ will work with
+   restrict; if so, hopefully it defines __RESTRICT like Sun C does.  */
 #if defined __SUNPRO_CC && !defined __RESTRICT
 # define _Restrict
+# define __restrict__
 #endif])
  case $ac_cv_c_restrict in
    restrict) ;;


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