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[Emacs-diffs] master 65eee83: Do not use Gnulib’s m4/wint_t.m4.
From: |
Paul Eggert |
Subject: |
[Emacs-diffs] master 65eee83: Do not use Gnulib’s m4/wint_t.m4. |
Date: |
Sun, 1 Jan 2017 10:37:13 +0000 (UTC) |
branch: master
commit 65eee8392ff95f58f7b0bd036e1fe065523658c6
Author: Paul Eggert <address@hidden>
Commit: Paul Eggert <address@hidden>
Do not use Gnulib’s m4/wint_t.m4.
* admin/merge-gnulib: Remove m4/wint_t.m4 when merging.
Fix typo so that warn-on-use.m4 is removed too.
* configure.ac (gt_TYPE_WINT_T): New macro, replacing Gnulib’s.
* m4/wint_t.m4: Remove.
---
admin/merge-gnulib | 2 +-
configure.ac | 4 ++++
m4/wint_t.m4 | 62 ----------------------------------------------------
3 files changed, 5 insertions(+), 63 deletions(-)
diff --git a/admin/merge-gnulib b/admin/merge-gnulib
index 69db30c..20a3240 100755
--- a/admin/merge-gnulib
+++ b/admin/merge-gnulib
@@ -96,7 +96,7 @@ test -x "$gnulib_srcdir"/gnulib-tool || {
"$gnulib_srcdir"/gnulib-tool --dir="$src" $GNULIB_TOOL_FLAGS $GNULIB_MODULES &&
rm -- "$src"lib/gl_openssl.h "$src"m4/fcntl-o.m4 \
"$src"m4/gl-openssl.m4 \
- "$src"m4/gnulib-cache.m4"$src" m4/warn-on-use.m4 &&
+ "$src"m4/gnulib-cache.m4 "$src"m4/warn-on-use.m4 "$src"m4/wint_t.m4 &&
cp -- "$gnulib_srcdir"/build-aux/texinfo.tex "$src"doc/misc &&
cp -- "$gnulib_srcdir"/build-aux/move-if-change "$src"build-aux &&
{ test -z "$src" || cd "$src"; } &&
diff --git a/configure.ac b/configure.ac
index 642cf7b..ce386f6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -792,6 +792,10 @@ ac_func_list=$funcs
AC_CHECK_FUNCS_ONCE([putenv])
AC_DEFUN([gl_FUNC_PUTENV],
[test "$ac_cv_func_putenv" = yes || REPLACE_PUTENV=1])
+# Emacs does not use the wchar or wctype-h modules.
+AC_DEFUN([gt_TYPE_WINT_T],
+ [GNULIB_OVERRIDES_WINT_T=0
+ AC_SUBST([GNULIB_OVERRIDES_WINT_T])])
# Initialize gnulib right after choosing the compiler.
dnl Amongst other things, this sets AR and ARFLAGS.
diff --git a/m4/wint_t.m4 b/m4/wint_t.m4
deleted file mode 100644
index 65e25a4..0000000
--- a/m4/wint_t.m4
+++ /dev/null
@@ -1,62 +0,0 @@
-# wint_t.m4 serial 6
-dnl Copyright (C) 2003, 2007-2017 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 From Bruno Haible.
-dnl Test whether <wchar.h> has the 'wint_t' type and whether gnulib's
-dnl <wchar.h> or <wctype.h> would, if present, override 'wint_t'.
-dnl Prerequisite: AC_PROG_CC
-
-AC_DEFUN([gt_TYPE_WINT_T],
-[
- AC_CACHE_CHECK([for wint_t], [gt_cv_c_wint_t],
- [AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
- [[
-/* 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>
- wint_t foo = (wchar_t)'\0';]],
- [[]])],
- [gt_cv_c_wint_t=yes],
- [gt_cv_c_wint_t=no])])
- if test $gt_cv_c_wint_t = yes; then
- AC_DEFINE([HAVE_WINT_T], [1], [Define if you have the 'wint_t' type.])
-
- dnl Determine whether gnulib's <wchar.h> or <wctype.h> would, if present,
- dnl override 'wint_t'.
- AC_CACHE_CHECK([whether wint_t is too small],
- [gl_cv_type_wint_t_too_small],
- [AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([[
-/* 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>
- int verify[sizeof (wint_t) < sizeof (int) ? -1 : 1];
- ]])],
- [gl_cv_type_wint_t_too_small=no],
- [gl_cv_type_wint_t_too_small=yes])])
- if test $gl_cv_type_wint_t_too_small = yes; then
- GNULIB_OVERRIDES_WINT_T=1
- else
- GNULIB_OVERRIDES_WINT_T=0
- fi
- else
- GNULIB_OVERRIDES_WINT_T=0
- fi
- AC_SUBST([GNULIB_OVERRIDES_WINT_T])
-])
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