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regex: port to mingw's recent addition of undeclared alarm On mingw (at least, when cross-compiling with Fedora 18's mingw32-headers-2.0.999-0.15.trunk.20121110.fc18.noarch build), compilation of test-regex fails: test-regex.c: In function 'main': test-regex.c:42:11: error: 'SIGALRM' undeclared (first use in this function) test-regex.c:42:11: note: each undeclared identifier is reported only once for each function it appears in test-regex.c:43:3: warning: implicit declaration of function 'alarm' It turns out that recent mingw64 added an export of alarm() and SIGALRM, but guarded their declarations behind __USE_MINGW_ALARM (default off, and with alarm() only in the non-standard <io.h>); so the m4 tests were setting HAVE_ALARM to 1 based on link success but then failing to compile. * doc/posix-functions/alarm.texi (alarm): Document that alarm exists but still doesn't work in newer mingw. * m4/frexp.m4 (gl_FUNC_FREXP_WORKS): Check for alarm declaration, not existence. Ensure SIGALRM is not trapped. * m4/mktime.m4 (gl_FUNC_MKTIME): Likewise. * m4/regex.m4 (gl_REGEX): Likewise. * m4/remainderf.m4 (gl_FUNC_REMAINDERF_WORKS): Likewise. * tests/test-regex.c (main): Use correct probe for alarm. Signed-off-by: Eric Blake <eblake@redhat.com>
author Eric Blake <eblake@redhat.com>
date Mon, 11 Mar 2013 14:51:33 -0600
parents e542fd46ad6f
children
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#!/bin/sh
#
# Copyright (C) 2008-2013 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# Original author: Karl Berry.
# Bug reports and correspondence to bug-gnulib@gnu.org.
#
# This is a minimal replacement for ncftpput using standard ftp.
# It was written for use with the Automake gnupload script for machines
# without ncftpput, e.g., rename it to ncftpput and put it in your PATH.
#
# The arguments are:
# host dir file1 file2 ...

host=$1; shift
dir=$1; shift

newline="
"

mputs=
for f
do
  if test ! -s "$f"; then
    echo "$0: $f not readable or empty, goodbye." >&2
    exit 1
  fi
  target=`basename "$f"`
  mputs="${mputs}put $f $target$newline"
done

if test "$dir" = .; then
  dir=
else
  dir="cd $dir"
fi

ftp -i $host <<END_SESSION
$dir
bin
verbose
$mputs
quit
END_SESSION