dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
-dnl Copyright (C) 2006 Free Software Foundation, Inc.
+dnl Copyright (C) 2006, 2007 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.
AC_CHECK_HEADERS_ONCE([wctype.h])
AC_REQUIRE([AC_C_INLINE])
+ 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])
+
+ WCTYPE_H=wctype.h
if test $ac_cv_header_wctype_h = yes; then
+ if test "$ac_cv_func_iswcntrl" = yes; then
+ WCTYPE_H=
+ fi
+ dnl Compute ABSOLUTE_WCTYPE_H even if WCTYPE_H is empty,
+ dnl for the benefit of builds from non-distclean directories.
gl_ABSOLUTE_HEADER([wctype.h])
ABSOLUTE_WCTYPE_H=\"$gl_cv_absolute_wctype_h\"
HAVE_WCTYPE_H=1
fi
AC_SUBST([ABSOLUTE_WCTYPE_H])
AC_SUBST([HAVE_WCTYPE_H])
-
- WCTYPE_H=wctype.h
- HAVE_WCTYPE_CTMP_BUG=0
- if test $ac_cv_header_wctype_h = yes; then
- dnl IRIX 5.3 has a bug: its isw* macros reference an undefined variable
- dnl _ctmp_. Test against this bug.
- AC_CACHE_CHECK([whether wctype macros need _ctmp_ declared],
- [gl_cv_wctype_ctmp_bug],
- [gl_cv_wctype_ctmp_bug=no
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
- [[#include <wctype.h>
- ]],
- [[return iswprint (0);]])],
- [gl_cv_wctype_ctmp_bug='no, but bare wctype.h does not work'],
- [AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
- [[#include <wctype.h>
- static wint_t _ctmp_;]],
- [[return iswprint (0);]])],
- [gl_cv_wctype_ctmp_bug=yes])])])
- case $gl_cv_wctype_ctmp_bug,$ac_cv_func_iswcntrl in #(
- yes,*)
- HAVE_WCTYPE_CTMP_BUG=1;; #(
- no,yes)
- WCTYPE_H=;;
- esac
- fi
AC_SUBST([WCTYPE_H])
- AC_SUBST([HAVE_WCTYPE_CTMP_BUG])
])