From 68f9ae59fe1fb45b55c29f43ce4d7d1a449d3e48 Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Wed, 6 Jul 2005 10:33:04 +0000 Subject: [PATCH] Avoid false positive on mingw. --- m4/ChangeLog | 5 +++++ m4/mbrtowc.m4 | 20 +++++++++++++------- 2 files changed, 18 insertions(+), 7 deletions(-) diff --git a/m4/ChangeLog b/m4/ChangeLog index cea67d1765..a32193e081 100644 --- a/m4/ChangeLog +++ b/m4/ChangeLog @@ -1,3 +1,8 @@ +2005-07-05 Bruno Haible + + * mbrtowc.m4 (gl_FUNC_MBRTOWC): Upgrade to version from current + autoconf CVS. Needed for mingw. + 2005-07-03 Paul Eggert Remove the dependency of the strftime module on the tzset module. diff --git a/m4/mbrtowc.m4 b/m4/mbrtowc.m4 index 2eee1a64ff..a3bd9114c3 100644 --- a/m4/mbrtowc.m4 +++ b/m4/mbrtowc.m4 @@ -1,5 +1,5 @@ -# mbrtowc.m4 serial 7 -dnl Copyright (C) 2001-2002, 2004 Free Software Foundation, Inc. +# mbrtowc.m4 serial 8 +dnl Copyright (C) 2001-2002, 2004-2005 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -7,19 +7,25 @@ dnl with or without modifications, as long as this notice is preserved. dnl From Paul Eggert dnl This file can be removed, and gl_FUNC_MBRTOWC replaced with -dnl AC_FUNC_MBRTOWC, when autoconf 2.57 can be assumed everywhere. +dnl AC_FUNC_MBRTOWC, when autoconf 2.60 can be assumed everywhere. AC_DEFUN([gl_FUNC_MBRTOWC], [ + dnl Same as AC_FUNC_MBRTOWC in autoconf-2.60. AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared], gl_cv_func_mbrtowc, - [AC_TRY_LINK( - [#include ], - [mbstate_t state; return ! (sizeof state && mbrtowc);], + [AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[#include ]], + [[wchar_t wc; + char const s[] = ""; + size_t n = 1; + mbstate_t state; + return ! (sizeof state && (mbrtowc) (&wc, s, n, &state));]])], gl_cv_func_mbrtowc=yes, gl_cv_func_mbrtowc=no)]) if test $gl_cv_func_mbrtowc = yes; then - AC_DEFINE(HAVE_MBRTOWC, 1, + AC_DEFINE([HAVE_MBRTOWC], 1, [Define to 1 if mbrtowc and mbstate_t are properly declared.]) fi ]) -- 2.30.2