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view m4/wchar.m4 @ 269:6cbc409ff09f 2.6
Added asprintf redux
author | lost |
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date | Tue, 22 Dec 2009 05:53:05 +0000 |
parents | bec6d2480f08 |
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dnl A placeholder for ISO C99 <wchar.h>, for platforms that have issues. dnl Copyright (C) 2007-2008 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. dnl Written by Eric Blake. # wchar.m4 serial 22 AC_DEFUN([gl_WCHAR_H], [ AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) AC_CACHE_CHECK([whether <wchar.h> is standalone], [gl_cv_header_wchar_h_standalone], [AC_COMPILE_IFELSE([[#include <wchar.h> wchar_t w;]], [gl_cv_header_wchar_h_standalone=yes], [gl_cv_header_wchar_h_standalone=no])]) AC_REQUIRE([gt_TYPE_WINT_T]) if test $gt_cv_c_wint_t = yes; then HAVE_WINT_T=1 else HAVE_WINT_T=0 fi AC_SUBST([HAVE_WINT_T]) if test $gl_cv_header_wchar_h_standalone != yes || test $gt_cv_c_wint_t != yes; then WCHAR_H=wchar.h fi dnl Prepare for creating substitute <wchar.h>. dnl Do it always: WCHAR_H may be empty here but can be set later. dnl Check for <wchar.h> (missing in Linux uClibc when built without wide dnl character support). AC_CHECK_HEADERS_ONCE([wchar.h]) if test $ac_cv_header_wchar_h = yes; then HAVE_WCHAR_H=1 else HAVE_WCHAR_H=0 fi AC_SUBST([HAVE_WCHAR_H]) gl_CHECK_NEXT_HEADERS([wchar.h]) ]) dnl Unconditionally enables the replacement of <wchar.h>. AC_DEFUN([gl_REPLACE_WCHAR_H], [ AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) WCHAR_H=wchar.h ]) AC_DEFUN([gl_WCHAR_MODULE_INDICATOR], [ dnl Use AC_REQUIRE here, so that the default settings are expanded once only. AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1 ]) AC_DEFUN([gl_WCHAR_H_DEFAULTS], [ GNULIB_BTOWC=0; AC_SUBST([GNULIB_BTOWC]) GNULIB_WCTOB=0; AC_SUBST([GNULIB_WCTOB]) GNULIB_MBSINIT=0; AC_SUBST([GNULIB_MBSINIT]) GNULIB_MBRTOWC=0; AC_SUBST([GNULIB_MBRTOWC]) GNULIB_MBRLEN=0; AC_SUBST([GNULIB_MBRLEN]) GNULIB_MBSRTOWCS=0; AC_SUBST([GNULIB_MBSRTOWCS]) GNULIB_MBSNRTOWCS=0; AC_SUBST([GNULIB_MBSNRTOWCS]) GNULIB_WCRTOMB=0; AC_SUBST([GNULIB_WCRTOMB]) GNULIB_WCSRTOMBS=0; AC_SUBST([GNULIB_WCSRTOMBS]) GNULIB_WCSNRTOMBS=0; AC_SUBST([GNULIB_WCSNRTOMBS]) GNULIB_WCWIDTH=0; AC_SUBST([GNULIB_WCWIDTH]) dnl Assume proper GNU behavior unless another module says otherwise. HAVE_BTOWC=1; AC_SUBST([HAVE_BTOWC]) HAVE_MBSINIT=1; AC_SUBST([HAVE_MBSINIT]) HAVE_MBRTOWC=1; AC_SUBST([HAVE_MBRTOWC]) HAVE_MBRLEN=1; AC_SUBST([HAVE_MBRLEN]) HAVE_MBSRTOWCS=1; AC_SUBST([HAVE_MBSRTOWCS]) HAVE_MBSNRTOWCS=1; AC_SUBST([HAVE_MBSNRTOWCS]) HAVE_WCRTOMB=1; AC_SUBST([HAVE_WCRTOMB]) HAVE_WCSRTOMBS=1; AC_SUBST([HAVE_WCSRTOMBS]) HAVE_WCSNRTOMBS=1; AC_SUBST([HAVE_WCSNRTOMBS]) HAVE_DECL_WCTOB=1; AC_SUBST([HAVE_DECL_WCTOB]) HAVE_DECL_WCWIDTH=1; AC_SUBST([HAVE_DECL_WCWIDTH]) REPLACE_MBSTATE_T=0; AC_SUBST([REPLACE_MBSTATE_T]) REPLACE_BTOWC=0; AC_SUBST([REPLACE_BTOWC]) REPLACE_WCTOB=0; AC_SUBST([REPLACE_WCTOB]) REPLACE_MBSINIT=0; AC_SUBST([REPLACE_MBSINIT]) REPLACE_MBRTOWC=0; AC_SUBST([REPLACE_MBRTOWC]) REPLACE_MBRLEN=0; AC_SUBST([REPLACE_MBRLEN]) REPLACE_MBSRTOWCS=0; AC_SUBST([REPLACE_MBSRTOWCS]) REPLACE_MBSNRTOWCS=0;AC_SUBST([REPLACE_MBSNRTOWCS]) REPLACE_WCRTOMB=0; AC_SUBST([REPLACE_WCRTOMB]) REPLACE_WCSRTOMBS=0; AC_SUBST([REPLACE_WCSRTOMBS]) REPLACE_WCWIDTH=0; AC_SUBST([REPLACE_WCWIDTH]) WCHAR_H=''; AC_SUBST([WCHAR_H]) ])