kc3-lang/automake/GNUmakefile

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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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• GNUmakefile

• # Maintainer makefile for Automake.  Requires GNU make.
  
  # 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/>.
  
  ifeq ($(filter bootstrap,$(MAKECMDGOALS)),)
  
  ifeq ($(wildcard Makefile),)
    # Any target but 'bootstrap' specified in an unconfigured tree
    # is an error, even when the user is running GNU make.
    $(warning There seems to be no Makefile in this directory.)
    $(warning You must run ./configure before running 'make'.)
    $(error Fatal Error)
  endif
  include ./Makefile
  include $(srcdir)/maintainer/maint.mk
  include $(srcdir)/maintainer/syntax-checks.mk
  
  else # ! bootstrap in $(MAKECMDGOALS)
  
  other-targets := $(filter-out bootstrap,$(MAKECMDGOALS))
  config-status := $(wildcard ./config.status)
  
  BOOTSTRAP_SHELL ?= /bin/sh
  export BOOTSTRAP_SHELL
  
  # Allow the user (or more likely the developer) to ask for a bootstrap
  # of the package.
  #
  # Two issues that must be kept in mind in the implementation below:
  #
  #  [1] "make bootstrap" can be invoked before 'configure' is run (and in
  #      fact, even before it is created, if we are bootstrapping from a
  #      freshly-cloned checkout).
  #
  #  [2] When re-bootstrapping an already configured tree, we must ensure
  #      that the automatic remake rules for Makefile and company do not
  #      kick in, because the tree might be in an inconsistent state (e.g.,
  #      we have just switched from 'maint' to 'master', and have the built
  #      'automake' script left from 'maint', but the files 'lib/am/*.am'
  #      are from 'master': if 'automake' gets run and uses those files --
  #      boom!).
  
  ifdef config-status # Bootstrap from an already-configured tree.
    # We need the definition of $(srcdir) in the 'bootstrap' rule
    # below.
    srcdir := $(shell echo @srcdir@ | $(config-status) --file=-)
    ifndef srcdir
      $(error Could not obtain $$(srcdir) from $(config-status))
    endif
    # Also, if we are re-bootstrapping an already-configured tree, we
    # want to re-configure it with the same pre-existing configuration.
    old-configure-flags := $(shell $(config-status) --config)
  else # Assume we are bootstrapping from an unconfigured srcdir.
    srcdir := .
    old-configure-flags :=
  endif
  
  configure-flags := $(old-configure-flags) $(BOOTSTRAP_CONFIGURE_FLAGS)
  
  .PHONY: bootstrap
  bootstrap:
  	cd $(srcdir) && $(SHELL) ./bootstrap
  	$(srcdir)/configure $(configure-flags)
  	$(MAKE) clean
  	$(MAKE) check TESTS=t/get-sysconf
  
  # Ensure that all the specified targets but 'bootstrap' (if any) are
  # run with a properly re-bootstrapped tree.
  ifdef other-targets
  $(other-targets): restart
  .PHONY: $(other-targets) restart
  restart: bootstrap; $(MAKE) $(AM_MAKEFLAGS) $(other-targets)
  endif
  
  endif # ! bootstrap in $(MAKECMDGOALS)
  

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