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) 2012-2017 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/>.
# Check that "aclocal --install" creates the local m4 directory if
# necessary.
# FIXME: this is a good candidate for a conversion to TAP.
am_create_testdir=empty
. test-init.sh
cat > configure.ac <<END
AC_INIT([$me], [1.0])
MY_MACRO
END
mkdir sys-acdir
cat > sys-acdir/my-defs.m4 <<END
AC_DEFUN([MY_MACRO], [:])
END
ACLOCAL="$ACLOCAL --system-acdir=sys-acdir"
$ACLOCAL -I foo --install
test -f foo/my-defs.m4
$ACLOCAL --install -I "$(pwd)/bar"
test -f bar/my-defs.m4
$ACLOCAL --install -I baz/sub/sub2
test -f baz/sub/sub2/my-defs.m4
# What should happen:
# * zardoz1 should be created, and required m4 files copied into there.
# * zardoz2 shouldn't be preferred to quux, even if the former exists
# while the latter does not.
mkdir zardoz2
$ACLOCAL --install -I zardoz1 -I zardoz2
test -d zardoz1
grep MY_MACRO zardoz1/my-defs.m4
ls zardoz2 | grep . && exit 1
# Directories in ACLOCAL_PATH should never be created if they don't
# exist.
ACLOCAL_PATH="$(pwd)/none:$(pwd)/none2" $ACLOCAL --install && exit 1
test ! -e none
test ! -e none2
ACLOCAL_PATH="$(pwd)/none:$(pwd)/none2" $ACLOCAL --install -I x
test -f x/my-defs.m4
test ! -e none
test ! -e none2
# It's better if aclocal doesn't create the first include dir on failure.
$ACLOCAL --install -I none -I none2 && exit 1
test ! -e none
test ! -e none2
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