-
-# Check whether fopen64 is available and whether _LARGEFILE64_SOURCE
-# needs to be defined for it
-AC_MSG_CHECKING([for fopen64])
-AC_CACHE_VAL(bu_cv_have_fopen64,
-[AC_TRY_LINK([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");],
-bu_cv_have_fopen64=yes,
-[saved_CPPFLAGS=$CPPFLAGS
- CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
- AC_TRY_LINK([#include <stdio.h>], [FILE *f = fopen64 ("/tmp/foo","r");],
-bu_cv_have_fopen64="need -D_LARGEFILE64_SOURCE",
-bu_cv_have_fopen64=no)
- CPPFLAGS=$saved_CPPFLAGS])])
-AC_MSG_RESULT($bu_cv_have_fopen64)
-if test "$bu_cv_have_fopen64" != no; then
- AC_DEFINE([HAVE_FOPEN64], 1,
- [Is fopen64 available?])
-fi
-AC_MSG_CHECKING([for stat64])
-AC_CACHE_VAL(bu_cv_have_stat64,
-[AC_TRY_LINK([#include <sys/stat.h>], [struct stat64 st; stat64 ("/tmp/foo", &st);],
-bu_cv_have_stat64=yes,
-[saved_CPPFLAGS=$CPPFLAGS
- CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
- AC_TRY_LINK([#include <sys/stat.h>], [struct stat64 st; stat64 ("/tmp/foo", &st);],
-bu_cv_have_stat64="need -D_LARGEFILE64_SOURCE",
-bu_cv_have_stat64=no)
- CPPFLAGS=$saved_CPPFLAGS])])
-AC_MSG_RESULT($bu_cv_have_stat64)
-if test "$bu_cv_have_stat64" != no; then
- AC_DEFINE([HAVE_STAT64], 1,
- [Is stat64 available?])
-fi
-if test "$bu_cv_have_fopen64" = "need -D_LARGEFILE64_SOURCE" \
- || test "$bu_cv_have_stat64" = "need -D_LARGEFILE64_SOURCE"; then
- AC_DEFINE([_LARGEFILE64_SOURCE], 1,
- [Enable LFS])
- CPPFLAGS="$CPPFLAGS -D_LARGEFILE64_SOURCE"
-fi
+ AC_MSG_CHECKING([for mbstate_t])
+ AC_TRY_COMPILE([#include <wchar.h>],
+ [mbstate_t teststate;],
+ have_mbstate_t=yes, have_mbstate_t=no)
+ AC_MSG_RESULT($have_mbstate_t)
+ if test x"$have_mbstate_t" = xyes; then
+ AC_DEFINE(HAVE_MBSTATE_T,1,[Define if mbstate_t exists in wchar.h.])
+ fi