1*a939078aSHiroo HAYASHI# wmemchr.m4 serial 5 2*a939078aSHiroo HAYASHIdnl Copyright (C) 2011-2021 Free Software Foundation, Inc. 3*a939078aSHiroo HAYASHIdnl This file is free software; the Free Software Foundation 4*a939078aSHiroo HAYASHIdnl gives unlimited permission to copy and/or distribute it, 5*a939078aSHiroo HAYASHIdnl with or without modifications, as long as this notice is preserved. 6*a939078aSHiroo HAYASHI 7*a939078aSHiroo HAYASHIAC_DEFUN([gl_FUNC_WMEMCHR], 8*a939078aSHiroo HAYASHI[ 9*a939078aSHiroo HAYASHI AC_REQUIRE([gl_WCHAR_H_DEFAULTS]) 10*a939078aSHiroo HAYASHI dnl We cannot use AC_CHECK_FUNCS here, because the MSVC 9 header files 11*a939078aSHiroo HAYASHI dnl provide this function as an inline function definition. 12*a939078aSHiroo HAYASHI AC_CACHE_CHECK([for wmemchr], [gl_cv_func_wmemchr], 13*a939078aSHiroo HAYASHI [AC_LINK_IFELSE( 14*a939078aSHiroo HAYASHI [AC_LANG_PROGRAM( 15*a939078aSHiroo HAYASHI [[#include <wchar.h> 16*a939078aSHiroo HAYASHI ]], 17*a939078aSHiroo HAYASHI [[return ! wmemchr ((const wchar_t *) 0, (wchar_t) ' ', 0);]]) 18*a939078aSHiroo HAYASHI ], 19*a939078aSHiroo HAYASHI [gl_cv_func_wmemchr=yes], 20*a939078aSHiroo HAYASHI [gl_cv_func_wmemchr=no]) 21*a939078aSHiroo HAYASHI ]) 22*a939078aSHiroo HAYASHI if test $gl_cv_func_wmemchr = no; then 23*a939078aSHiroo HAYASHI HAVE_WMEMCHR=0 24*a939078aSHiroo HAYASHI fi 25*a939078aSHiroo HAYASHI]) 26