Hash :
3562e384
Author :
Date :
2017-09-16T13:03:36
Prefer https: URLs In Gnulib, Emacs, etc. we are changing ftp: and http: URLs to use https:, to discourage man-in-the-middle attacks when downloading software. The attached patch propagates these changes upstream to Automake. This patch does not affect files that Automake is downstream of, which I'll patch separately. Althouth the resources are not secret, plain HTTP is vulnerable to malicious routers that tamper with responses from GNU servers, and this sort of thing is all too common when people in some other countries browse US-based websites. See, for example: Aceto G, Botta A, Pescapé A, Awan MF, Ahmad T, Qaisar S. Analyzing internet censorship in Pakistan. RTSI 2016. https://dx.doi.org/10.1109/RTSI.2016.7740626 HTTPS is not a complete solution here, but it can be a significant help. The GNU project regularly serves up code to users, so we should take some care here.
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#! /bin/sh
# Copyright (C) 2001-2017 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 2, 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 <https://www.gnu.org/licenses/>.
# Test to make sure we can compile when the compiler doesn't
# understand '-c -o'.
required=gcc # For cc-no-c-o.
. test-init.sh
cat >> configure.ac << 'END'
AC_PROG_CC
$CC --version || exit 1
$CC -v || exit 1
AC_OUTPUT
END
cat > Makefile.am << 'END'
bin_PROGRAMS = wish
wish_SOURCES = a.c
# Make sure we need something strange.
wish_CFLAGS = -g
END
cat > a.c << 'END'
#include <stdio.h>
int main ()
{
printf ("hi\n");
}
END
# Make sure the compiler doesn't understand '-c -o'.
CC=$am_testaux_builddir/cc-no-c-o; export CC
$ACLOCAL
$AUTOCONF -Wall -Werror
$AUTOMAKE --copy --add-missing
for vpath in : false; do
if $vpath; then
srcdir=..
mkdir build
cd build
else
srcdir=.
fi
$srcdir/configure >stdout || { cat stdout; exit 1; }
cat stdout
$EGREP 'understands? -c and -o together.* no$' stdout
# No repeated checks please.
test $(grep -c ".*-c['\" ].*-o['\" ]" stdout) -eq 1
$MAKE
cd $srcdir
done
$MAKE distcheck
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