mirror of
https://github.com/mirror/wget.git
synced 2024-12-27 13:20:23 +08:00
76 lines
2.3 KiB
Plaintext
76 lines
2.3 KiB
Plaintext
# wctype.m4 serial 2
|
|
|
|
dnl A placeholder for ISO C99 <wctype.h>, for platforms that lack it.
|
|
|
|
dnl Copyright (C) 2006-2008, 2010-2011, 2018-2019 Free Software
|
|
dnl 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.
|
|
|
|
dnl Written by Paul Eggert.
|
|
|
|
AC_DEFUN([gl_WCTYPE_H],
|
|
[
|
|
AC_REQUIRE([AC_PROG_CC])
|
|
AC_CHECK_FUNCS_ONCE([iswcntrl])
|
|
if test $ac_cv_func_iswcntrl = yes; then
|
|
HAVE_ISWCNTRL=1
|
|
else
|
|
HAVE_ISWCNTRL=0
|
|
fi
|
|
AC_SUBST([HAVE_ISWCNTRL])
|
|
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
|
|
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_TRY_RUN([#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_TRY_COMPILE([#include <stdlib.h>
|
|
#if __GNU_LIBRARY__ == 1
|
|
Linux libc5 i18n is broken.
|
|
#endif], [],
|
|
[gl_cv_func_iswcntrl_works=yes], [gl_cv_func_iswcntrl_works=no])
|
|
])
|
|
])
|
|
if test $gl_cv_func_iswcntrl_works = yes; then
|
|
WCTYPE_H=
|
|
fi
|
|
fi
|
|
dnl Compute NEXT_WCTYPE_H even if WCTYPE_H is empty,
|
|
dnl for the benefit of builds from non-distclean directories.
|
|
gl_CHECK_NEXT_HEADERS([wctype.h])
|
|
HAVE_WCTYPE_H=1
|
|
else
|
|
HAVE_WCTYPE_H=0
|
|
fi
|
|
AC_SUBST([HAVE_WCTYPE_H])
|
|
AC_SUBST([WCTYPE_H])
|
|
|
|
if test "$gl_cv_func_iswcntrl_works" = no; then
|
|
REPLACE_ISWCNTRL=1
|
|
else
|
|
REPLACE_ISWCNTRL=0
|
|
fi
|
|
AC_SUBST([REPLACE_ISWCNTRL])
|
|
])
|