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Diffstat (limited to 'gnulib-m4/wchar_h.m4')
-rw-r--r--gnulib-m4/wchar_h.m4123
1 files changed, 98 insertions, 25 deletions
diff --git a/gnulib-m4/wchar_h.m4 b/gnulib-m4/wchar_h.m4
index 8cae82dd..9d1b0f8b 100644
--- a/gnulib-m4/wchar_h.m4
+++ b/gnulib-m4/wchar_h.m4
@@ -1,13 +1,13 @@
dnl A placeholder for ISO C99 <wchar.h>, for platforms that have issues.
-dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2015 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.
dnl Written by Eric Blake.
-# wchar_h.m4 serial 33
+# wchar_h.m4 serial 39
AC_DEFUN([gl_WCHAR_H],
[
@@ -17,7 +17,6 @@ AC_DEFUN([gl_WCHAR_H],
dnl Check for <wchar.h> (missing in Linux uClibc when built without wide
dnl character support).
dnl <wchar.h> is always overridden, because of GNULIB_POSIXCHECK.
- AC_CHECK_HEADERS_ONCE([wchar.h])
gl_CHECK_NEXT_HEADERS([wchar.h])
if test $ac_cv_header_wchar_h = yes; then
HAVE_WCHAR_H=1
@@ -26,6 +25,8 @@ AC_DEFUN([gl_WCHAR_H],
fi
AC_SUBST([HAVE_WCHAR_H])
+ AC_REQUIRE([gl_FEATURES_H])
+
AC_REQUIRE([gt_TYPE_WINT_T])
if test $gt_cv_c_wint_t = yes; then
HAVE_WINT_T=1
@@ -37,15 +38,23 @@ AC_DEFUN([gl_WCHAR_H],
dnl Check for declarations of anything we want to poison if the
dnl corresponding gnulib module is not in use.
gl_WARN_ON_USE_PREPARE([[
-/* Some systems require additional headers. */
-#ifndef __GLIBC__
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <stddef.h>
# include <stdio.h>
# include <time.h>
#endif
#include <wchar.h>
- ]], [btowc wctob mbsinit mbrtowc mbrlen mbsrtowcs mbsnrtowcs wcrtomb
- wcsrtombs wcsnrtombs wcwidth])
+ ]],
+ [btowc wctob mbsinit mbrtowc mbrlen mbsrtowcs mbsnrtowcs wcrtomb
+ wcsrtombs wcsnrtombs wcwidth wmemchr wmemcmp wmemcpy wmemmove wmemset
+ wcslen wcsnlen wcscpy wcpcpy wcsncpy wcpncpy wcscat wcsncat wcscmp
+ wcsncmp wcscasecmp wcsncasecmp wcscoll wcsxfrm wcsdup wcschr wcsrchr
+ wcscspn wcsspn wcspbrk wcsstr wcstok wcswidth
+ ])
])
dnl Check whether <wchar.h> is usable at all.
@@ -61,6 +70,13 @@ AC_DEFUN([gl_WCHAR_H_INLINE_OK],
[gl_cv_header_wchar_h_correct_inline=yes
AC_LANG_CONFTEST([
AC_LANG_SOURCE([[#define wcstod renamed_wcstod
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
#include <wchar.h>
extern int zero (void);
int main () { return zero(); }
@@ -69,6 +85,13 @@ int main () { return zero(); }
mv conftest.$ac_objext conftest1.$ac_objext
AC_LANG_CONFTEST([
AC_LANG_SOURCE([[#define wcstod renamed_wcstod
+/* 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>
int zero (void) { return 0; }
]])])
@@ -96,13 +119,6 @@ Configuration aborted.])
fi
])
-dnl Unconditionally enables the replacement of <wchar.h>.
-AC_DEFUN([gl_REPLACE_WCHAR_H],
-[
- dnl This is a no-op, because <wchar.h> is always overridden.
- :
-])
-
AC_DEFUN([gl_WCHAR_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
@@ -114,17 +130,45 @@ AC_DEFUN([gl_WCHAR_MODULE_INDICATOR],
AC_DEFUN([gl_WCHAR_H_DEFAULTS],
[
- GNULIB_BTOWC=0; AC_SUBST([GNULIB_BTOWC])
- GNULIB_WCTOB=0; AC_SUBST([GNULIB_WCTOB])
- GNULIB_MBSINIT=0; AC_SUBST([GNULIB_MBSINIT])
- GNULIB_MBRTOWC=0; AC_SUBST([GNULIB_MBRTOWC])
- GNULIB_MBRLEN=0; AC_SUBST([GNULIB_MBRLEN])
- GNULIB_MBSRTOWCS=0; AC_SUBST([GNULIB_MBSRTOWCS])
- GNULIB_MBSNRTOWCS=0; AC_SUBST([GNULIB_MBSNRTOWCS])
- GNULIB_WCRTOMB=0; AC_SUBST([GNULIB_WCRTOMB])
- GNULIB_WCSRTOMBS=0; AC_SUBST([GNULIB_WCSRTOMBS])
- GNULIB_WCSNRTOMBS=0; AC_SUBST([GNULIB_WCSNRTOMBS])
- GNULIB_WCWIDTH=0; AC_SUBST([GNULIB_WCWIDTH])
+ GNULIB_BTOWC=0; AC_SUBST([GNULIB_BTOWC])
+ GNULIB_WCTOB=0; AC_SUBST([GNULIB_WCTOB])
+ GNULIB_MBSINIT=0; AC_SUBST([GNULIB_MBSINIT])
+ GNULIB_MBRTOWC=0; AC_SUBST([GNULIB_MBRTOWC])
+ GNULIB_MBRLEN=0; AC_SUBST([GNULIB_MBRLEN])
+ GNULIB_MBSRTOWCS=0; AC_SUBST([GNULIB_MBSRTOWCS])
+ GNULIB_MBSNRTOWCS=0; AC_SUBST([GNULIB_MBSNRTOWCS])
+ GNULIB_WCRTOMB=0; AC_SUBST([GNULIB_WCRTOMB])
+ GNULIB_WCSRTOMBS=0; AC_SUBST([GNULIB_WCSRTOMBS])
+ GNULIB_WCSNRTOMBS=0; AC_SUBST([GNULIB_WCSNRTOMBS])
+ GNULIB_WCWIDTH=0; AC_SUBST([GNULIB_WCWIDTH])
+ GNULIB_WMEMCHR=0; AC_SUBST([GNULIB_WMEMCHR])
+ GNULIB_WMEMCMP=0; AC_SUBST([GNULIB_WMEMCMP])
+ GNULIB_WMEMCPY=0; AC_SUBST([GNULIB_WMEMCPY])
+ GNULIB_WMEMMOVE=0; AC_SUBST([GNULIB_WMEMMOVE])
+ GNULIB_WMEMSET=0; AC_SUBST([GNULIB_WMEMSET])
+ GNULIB_WCSLEN=0; AC_SUBST([GNULIB_WCSLEN])
+ GNULIB_WCSNLEN=0; AC_SUBST([GNULIB_WCSNLEN])
+ GNULIB_WCSCPY=0; AC_SUBST([GNULIB_WCSCPY])
+ GNULIB_WCPCPY=0; AC_SUBST([GNULIB_WCPCPY])
+ GNULIB_WCSNCPY=0; AC_SUBST([GNULIB_WCSNCPY])
+ GNULIB_WCPNCPY=0; AC_SUBST([GNULIB_WCPNCPY])
+ GNULIB_WCSCAT=0; AC_SUBST([GNULIB_WCSCAT])
+ GNULIB_WCSNCAT=0; AC_SUBST([GNULIB_WCSNCAT])
+ GNULIB_WCSCMP=0; AC_SUBST([GNULIB_WCSCMP])
+ GNULIB_WCSNCMP=0; AC_SUBST([GNULIB_WCSNCMP])
+ GNULIB_WCSCASECMP=0; AC_SUBST([GNULIB_WCSCASECMP])
+ GNULIB_WCSNCASECMP=0; AC_SUBST([GNULIB_WCSNCASECMP])
+ GNULIB_WCSCOLL=0; AC_SUBST([GNULIB_WCSCOLL])
+ GNULIB_WCSXFRM=0; AC_SUBST([GNULIB_WCSXFRM])
+ GNULIB_WCSDUP=0; AC_SUBST([GNULIB_WCSDUP])
+ GNULIB_WCSCHR=0; AC_SUBST([GNULIB_WCSCHR])
+ GNULIB_WCSRCHR=0; AC_SUBST([GNULIB_WCSRCHR])
+ GNULIB_WCSCSPN=0; AC_SUBST([GNULIB_WCSCSPN])
+ GNULIB_WCSSPN=0; AC_SUBST([GNULIB_WCSSPN])
+ GNULIB_WCSPBRK=0; AC_SUBST([GNULIB_WCSPBRK])
+ GNULIB_WCSSTR=0; AC_SUBST([GNULIB_WCSSTR])
+ GNULIB_WCSTOK=0; AC_SUBST([GNULIB_WCSTOK])
+ GNULIB_WCSWIDTH=0; AC_SUBST([GNULIB_WCSWIDTH])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_BTOWC=1; AC_SUBST([HAVE_BTOWC])
HAVE_MBSINIT=1; AC_SUBST([HAVE_MBSINIT])
@@ -135,6 +179,34 @@ AC_DEFUN([gl_WCHAR_H_DEFAULTS],
HAVE_WCRTOMB=1; AC_SUBST([HAVE_WCRTOMB])
HAVE_WCSRTOMBS=1; AC_SUBST([HAVE_WCSRTOMBS])
HAVE_WCSNRTOMBS=1; AC_SUBST([HAVE_WCSNRTOMBS])
+ HAVE_WMEMCHR=1; AC_SUBST([HAVE_WMEMCHR])
+ HAVE_WMEMCMP=1; AC_SUBST([HAVE_WMEMCMP])
+ HAVE_WMEMCPY=1; AC_SUBST([HAVE_WMEMCPY])
+ HAVE_WMEMMOVE=1; AC_SUBST([HAVE_WMEMMOVE])
+ HAVE_WMEMSET=1; AC_SUBST([HAVE_WMEMSET])
+ HAVE_WCSLEN=1; AC_SUBST([HAVE_WCSLEN])
+ HAVE_WCSNLEN=1; AC_SUBST([HAVE_WCSNLEN])
+ HAVE_WCSCPY=1; AC_SUBST([HAVE_WCSCPY])
+ HAVE_WCPCPY=1; AC_SUBST([HAVE_WCPCPY])
+ HAVE_WCSNCPY=1; AC_SUBST([HAVE_WCSNCPY])
+ HAVE_WCPNCPY=1; AC_SUBST([HAVE_WCPNCPY])
+ HAVE_WCSCAT=1; AC_SUBST([HAVE_WCSCAT])
+ HAVE_WCSNCAT=1; AC_SUBST([HAVE_WCSNCAT])
+ HAVE_WCSCMP=1; AC_SUBST([HAVE_WCSCMP])
+ HAVE_WCSNCMP=1; AC_SUBST([HAVE_WCSNCMP])
+ HAVE_WCSCASECMP=1; AC_SUBST([HAVE_WCSCASECMP])
+ HAVE_WCSNCASECMP=1; AC_SUBST([HAVE_WCSNCASECMP])
+ HAVE_WCSCOLL=1; AC_SUBST([HAVE_WCSCOLL])
+ HAVE_WCSXFRM=1; AC_SUBST([HAVE_WCSXFRM])
+ HAVE_WCSDUP=1; AC_SUBST([HAVE_WCSDUP])
+ HAVE_WCSCHR=1; AC_SUBST([HAVE_WCSCHR])
+ HAVE_WCSRCHR=1; AC_SUBST([HAVE_WCSRCHR])
+ HAVE_WCSCSPN=1; AC_SUBST([HAVE_WCSCSPN])
+ HAVE_WCSSPN=1; AC_SUBST([HAVE_WCSSPN])
+ HAVE_WCSPBRK=1; AC_SUBST([HAVE_WCSPBRK])
+ HAVE_WCSSTR=1; AC_SUBST([HAVE_WCSSTR])
+ HAVE_WCSTOK=1; AC_SUBST([HAVE_WCSTOK])
+ HAVE_WCSWIDTH=1; AC_SUBST([HAVE_WCSWIDTH])
HAVE_DECL_WCTOB=1; AC_SUBST([HAVE_DECL_WCTOB])
HAVE_DECL_WCWIDTH=1; AC_SUBST([HAVE_DECL_WCWIDTH])
REPLACE_MBSTATE_T=0; AC_SUBST([REPLACE_MBSTATE_T])
@@ -149,4 +221,5 @@ AC_DEFUN([gl_WCHAR_H_DEFAULTS],
REPLACE_WCSRTOMBS=0; AC_SUBST([REPLACE_WCSRTOMBS])
REPLACE_WCSNRTOMBS=0; AC_SUBST([REPLACE_WCSNRTOMBS])
REPLACE_WCWIDTH=0; AC_SUBST([REPLACE_WCWIDTH])
+ REPLACE_WCSWIDTH=0; AC_SUBST([REPLACE_WCSWIDTH])
])