kc3-lang/automake/t/backcompat2.sh

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• 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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• t/backcompat2.sh

• #! /bin/sh
  # Copyright (C) 2010-2017 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/>.
  
  # Backward-compatibility test: check that AM_INIT_AUTOMAKE with two or
  # three arguments does AC_DEFINE the symbols PACKAGE and VERSION iff the
  # third argument is empty or non-existent.
  
  am_create_testdir=empty
  . test-init.sh
  
  # A trick to make the test run muuuch faster, by avoiding repeated
  # runs of aclocal (one order of magnitude improvement in speed!).
  echo 'AC_INIT(x,0) AM_INIT_AUTOMAKE' > configure.ac
  $ACLOCAL
  rm -rf configure.ac autom4te.*
  
  touch install-sh missing
  
  cat > config.h.in <<'END'
  #undef PACKAGE
  #undef VERSION
  END
  
  for am_arg3 in ':' 'false' '#' ' '; do
    unindent > configure.ac <<END
      AC_INIT
      AC_CONFIG_HEADERS([config.h])
      AM_INIT_AUTOMAKE([pkgname], [pkgversion], [$am_arg3])
      AC_OUTPUT
  END
    cat configure.ac # For debugging.
    $AUTOCONF
    ./configure
    cat config.h # For debugging.
    # The non-empty third argument should prevent PACKAGE and VERSION
    # from being AC_DEFINE'd.
    $EGREP 'pkg(name|version)' config.h && exit 1
    # This is required because even relatively-recent versions of the
    # BSD shell wrongly exit when the 'errexit' shell flag is active if
    # the last command of a compound statement fails, even if it should
    # be protected by the use of "&&".
    :
  done
  
  for am_extra_args in '' ',' ', []'; do
    unindent > configure.ac <<END
      AC_INIT
      AC_CONFIG_HEADERS([config.h])
      AM_INIT_AUTOMAKE([pkgname], [pkgversion]$am_extra_args)
      AC_OUTPUT
  END
    cat configure.ac # For debugging.
    $AUTOCONF
    ./configure
    cat config.h # For debugging.
    grep '^ *# *define  *PACKAGE  *"pkgname" *$' config.h
    grep '^ *# *define  *VERSION  *"pkgversion" *$' config.h
  done
  
  :
  

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