kc3-lang/automake/t/cond40.sh
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Hash : 3562e384
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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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t/cond40.sh
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#! /bin/sh # Copyright (C) 2008-2017 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 AM_COND_IF. . test-init.sh cat >>configure.ac <<'END' AC_DEFUN([FOO], [AC_CONFIG_FILES([$1])]) AM_CONDITIONAL([COND], [test "$cond" = yes]) # Next lines should not cause a shell syntax error. AM_COND_IF([COND]) AM_COND_IF([COND], [AC_SUBST([BAR])]) AM_COND_IF([COND], [AC_CONFIG_FILES([file1])]) # Things should work even at a time when the shell expressions # for the conditional are not valid any more. ok=$cond1 AM_CONDITIONAL([COND1], [test "$ok" = yes]) ok=$cond2 AM_CONDITIONAL([COND2], [test "$ok" = yes]) ok=$cond3 AM_CONDITIONAL([COND3], [test "$ok" = yes]) AM_COND_IF([COND1], [AM_COND_IF([COND2], [FOO([file2])], [AM_COND_IF([COND3], [FOO([file3])])])]) AC_OUTPUT END : >Makefile.am : >file1.in : >file2.in : >file3.in $ACLOCAL $AUTOCONF $AUTOMAKE -a ./configure cond=yes cond1=yes cond2=no cond3=yes test -f file1 test ! -e file2 test -f file3 rm -f file1 file3 $MAKE file1 file3 $MAKE file2 && exit 1 test -f file1 test ! -e file2 test -f file3 $MAKE distclean ./configure cond=no cond1=yes cond2=yes test ! -e file1 test -f file2 test ! -e file3 rm -f file2 $MAKE file1 && exit 1 $MAKE file2 $MAKE file3 && exit 1 test ! -e file1 test -f file2 test ! -e file3 :