kc3-lang/automake/t/extra-deps.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/extra-deps.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/>.
  
  # Test EXTRA_*_DEPENDENCIES.  See 'extra-deps-lt.sh' for libtool variant.
  
  required=cc
  . test-init.sh
  
  cat >> configure.ac << 'END'
  AC_PROG_CC
  AM_PROG_AR
  AC_PROG_RANLIB
  AC_SUBST([deps], [bardep])
  AM_CONDITIONAL([COND], [test -n "$cond"])
  AC_OUTPUT
  END
  
  cat > Makefile.am << 'END'
  noinst_LIBRARIES = libfoo.a
  EXTRA_libfoo_a_DEPENDENCIES = libfoodep
  libfoodep:
  	@echo making $@
  	@: > $@
  CLEANFILES = libfoodep
  
  bin_PROGRAMS = foo bar
  EXTRA_foo_DEPENDENCIES = foodep
  if COND
  EXTRA_foo_DEPENDENCIES += foodep2
  endif
  bar_LDADD = libfoo.a
  EXTRA_bar_DEPENDENCIES = $(deps)
  
  EXTRA_DIST = foodep bardep
  
  .PHONY: bar-has-been-updated
  bar-has-been-updated:
  	is_newest bar$(EXEEXT) libfoo.a
  END
  
  cat >libfoo.c <<'END'
  int libfoo () { return 0; }
  END
  
  cat >foo.c <<'END'
  int main () { return 0; }
  END
  
  cat >bar.c <<'END'
  extern int libfoo ();
  int main () { return libfoo (); }
  END
  
  $ACLOCAL
  $AUTOMAKE --add-missing
  $AUTOCONF
  
  ./configure cond=yes
  
  # Hypotheses:
  #  - EXTRA_*_DEPENDENCIES are honored.
  #  - Conditionals and substitutions are honored.
  #  - *_DEPENDENCIES are not overwritten by their EXTRA_* counterparts.
  
  : >foodep
  : >foodep2
  : >bardep
  run_make -O
  grep 'making libfoodep' stdout
  
  rm -f foodep
  $MAKE && exit 1
  : >foodep
  
  rm -f foodep2
  $MAKE && exit 1
  : >foodep2
  
  rm -f bardep
  $MAKE && exit 1
  : >bardep
  
  $MAKE
  $sleep
  touch libfoo.a
  $MAKE
  $MAKE bar-has-been-updated
  
  $MAKE distcheck
  
  :
  

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