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| author | Simon Josefsson <simon@josefsson.org> | 2010-09-21 15:00:28 +0200 |
|---|---|---|
| committer | Simon Josefsson <simon@josefsson.org> | 2010-09-21 15:00:28 +0200 |
| commit | a52d2b3e2f135a563ed5a7299aef5d4a0397c50d (patch) | |
| tree | 17051163de8e3f6c0c7ac8a6def83ef3677d1eec /gl/m4/include_next.m4 | |
| parent | 78819671f59cc4dea560b1ef3a21a04991e7822a (diff) | |
| download | libtasn1-a52d2b3e2f135a563ed5a7299aef5d4a0397c50d.tar.gz libtasn1-a52d2b3e2f135a563ed5a7299aef5d4a0397c50d.tar.bz2 libtasn1-a52d2b3e2f135a563ed5a7299aef5d4a0397c50d.zip | |
Update gnulib files.
Diffstat (limited to 'gl/m4/include_next.m4')
| -rw-r--r-- | gl/m4/include_next.m4 | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gl/m4/include_next.m4 b/gl/m4/include_next.m4 index c7e0672..51a719b 100644 --- a/gl/m4/include_next.m4 +++ b/gl/m4/include_next.m4 @@ -1,4 +1,4 @@ -# include_next.m4 serial 14 +# include_next.m4 serial 15 dnl Copyright (C) 2006-2010 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -68,10 +68,11 @@ EOF EOF gl_save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1b -Iconftestd2" - AC_COMPILE_IFELSE([#include <conftest.h>], +dnl We intentionally avoid using AC_LANG_SOURCE here. + AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include <conftest.h>]], [gl_cv_have_include_next=yes], [CPPFLAGS="$gl_save_CPPFLAGS -Iconftestd1a -Iconftestd2" - AC_COMPILE_IFELSE([#include <conftest.h>], + AC_COMPILE_IFELSE([AC_LANG_DEFINES_PROVIDED[#include <conftest.h>]], [gl_cv_have_include_next=buggy], [gl_cv_have_include_next=no]) ]) @@ -185,3 +186,7 @@ AC_DEFUN([gl_CHECK_NEXT_HEADERS], [$gl_next_as_first_directive]) AS_VAR_POPDEF([gl_next_header])]) ]) + +# Autoconf 2.68 added warnings for our use of AC_COMPILE_IFELSE; +# this fallback is safe for all earlier autoconf versions. +m4_define_default([AC_LANG_DEFINES_PROVIDED]) |