Mercurial > hg > octave-kai > gnulib-hg
changeset 11083:b9fea7c408e9
Make it possible again to use AC_GNU_SOURCE together with gnulib.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 25 Jan 2009 13:17:21 +0100 |
parents | 96a37da9a3e2 |
children | 1392a1800208 |
files | ChangeLog m4/extensions.m4 |
diffstat | 2 files changed, 19 insertions(+), 3 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2009-01-25 Bruno Haible <bruno@clisp.org> + + Make it possible again to use AC_GNU_SOURCE together with gnulib. + * m4/extensions.m4 (gl_USE_SYSTEM_EXTENSIONS): Require AC_GNU_SOURCE + before requiring AC_USE_SYSTEM_EXTENSIONS. + 2009-01-25 Jim Meyering <meyering@redhat.com> c-strtod: avoid warnings
--- a/m4/extensions.m4 +++ b/m4/extensions.m4 @@ -1,7 +1,7 @@ -# serial 6 -*- Autoconf -*- +# serial 7 -*- Autoconf -*- # Enable extensions on systems that normally disable them. -# Copyright (C) 2003, 2006-2008 Free Software Foundation, Inc. +# Copyright (C) 2003, 2006-2009 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. @@ -91,4 +91,14 @@ # Enable extensions on systems that normally disable them, # typically due to standards-conformance issues. AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], - [AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])]) +[ + dnl Require this macro before AC_USE_SYSTEM_EXTENSIONS. + dnl gnulib does not need it. But if it gets required by third-party macros + dnl after AC_USE_SYSTEM_EXTENSIONS is required, autoconf 2.62..2.63 emit a + dnl warning: "AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS". + dnl Note: We can do this only for one of the macros AC_AIX, AC_GNU_SOURCE, + dnl AC_MINIX. If people still use AC_AIX or AC_MINIX, they are out of luck. + AC_REQUIRE([AC_GNU_SOURCE]) + + AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) +])