-# wctype_h.m4 serial 9
+# wctype_h.m4 serial 13
dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
-dnl Copyright (C) 2006-2010 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2011 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_DEFUN([gl_WCTYPE_H],
[
+ AC_REQUIRE([gl_WCTYPE_H_DEFAULTS])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_CHECK_FUNCS_ONCE([iswcntrl])
HAVE_ISWCNTRL=0
fi
AC_SUBST([HAVE_ISWCNTRL])
- AC_CHECK_FUNCS_ONCE([iswblank])
- AC_CHECK_DECLS_ONCE([iswblank])
- if test $ac_cv_func_iswblank = yes; then
- HAVE_ISWBLANK=1
- REPLACE_ISWBLANK=0
- else
- HAVE_ISWBLANK=0
- if test $ac_cv_have_decl_iswblank = yes; then
- REPLACE_ISWBLANK=1
- else
- REPLACE_ISWBLANK=0
- fi
- fi
- AC_SUBST([HAVE_ISWBLANK])
- AC_SUBST([REPLACE_ISWBLANK])
- AC_CHECK_HEADERS_ONCE([wctype.h])
AC_REQUIRE([AC_C_INLINE])
AC_REQUIRE([gt_TYPE_WINT_T])
fi
AC_SUBST([HAVE_WINT_T])
+ gl_CHECK_NEXT_HEADERS([wctype.h])
if test $ac_cv_header_wctype_h = yes; then
if test $ac_cv_func_iswcntrl = yes; then
dnl Linux libc5 has an iswprint function that returns 0 for all arguments.
dnl The other functions are likely broken in the same way.
AC_CACHE_CHECK([whether iswcntrl works], [gl_cv_func_iswcntrl_works],
[
- AC_RUN_IFELSE([AC_LANG_SOURCE([[
- #include <stddef.h>
- #include <stdio.h>
- #include <time.h>
- #include <wchar.h>
- #include <wctype.h>
- int main () { return iswprint ('x') == 0; }]])],
+ AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[
+ /* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be
+ included before <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h>
+ must be included before <wchar.h>. */
+ #include <stddef.h>
+ #include <stdio.h>
+ #include <time.h>
+ #include <wchar.h>
+ #include <wctype.h>
+ int main () { return iswprint ('x') == 0; }
+ ]])],
[gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
#if __GNU_LIBRARY__ == 1
])
])
fi
- gl_CHECK_NEXT_HEADERS([wctype.h])
HAVE_WCTYPE_H=1
else
HAVE_WCTYPE_H=0
if test $HAVE_ISWCNTRL = 0 || test $REPLACE_ISWCNTRL = 1; then
dnl Redefine all of iswcntrl, ..., towupper in <wctype.h>.
:
- else
- if test $HAVE_ISWBLANK = 0 || test $REPLACE_ISWBLANK = 1; then
- dnl Redefine only iswblank.
- AC_LIBOBJ([iswblank])
- fi
fi
])
+
+AC_DEFUN([gl_WCTYPE_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_WCTYPE_H_DEFAULTS])
+ gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+ dnl Define it also as a C macro, for the benefit of the unit tests.
+ gl_MODULE_INDICATOR_FOR_TESTS([$1])
+])
+
+AC_DEFUN([gl_WCTYPE_H_DEFAULTS],
+[
+ GNULIB_ISWBLANK=0; AC_SUBST([GNULIB_ISWBLANK])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_ISWBLANK=1; AC_SUBST([HAVE_ISWBLANK])
+ REPLACE_ISWBLANK=0; AC_SUBST([REPLACE_ISWBLANK])
+])