- jm_cv_func_mbrtowc,
- [AC_TRY_LINK(
- [@%:@include <wchar.h>],
- [mbstate_t state; return ! (sizeof state && mbrtowc);],
- jm_cv_func_mbrtowc=yes,
- jm_cv_func_mbrtowc=no)])
- if test $jm_cv_func_mbrtowc = yes; then
- AC_DEFINE(HAVE_MBRTOWC, 1,
+ gl_cv_func_mbrtowc,
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[#include <wchar.h>]],
+ [[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,