kc3-lang/automake/GNUmakefile

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• Hash : 86e9e0e3
  Author :
  Date : 2012-02-16T19:52:37
  

  build: clearer diagnostic if "make" is invoked before "./configure"
  
  Since a GNUmakefile wrapper has been introduced in our build
  system, a "make" invocation issued before a "./configure" one
  has caused GNU make to die with the cryptic message:
  
    GNUmakefile:18: Makefile: No such file or directory
    GNUmakefile:19: /syntax-checks.mk: No such file or directory
    make: *** No rule to make target `/syntax-checks.mk'.  Stop.
  
  * GNUmakefile: Detect when we are being run from an unconfigured
  tree, and give helpful diagnostic.
  

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• GNUmakefile

• # Maintainer makefile for Automake.  Requires GNU make.
  
  # Copyright (C) 2012 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 <http://www.gnu.org/licenses/>.
  
  # If the user runs GNU make but has not yet run ./configure,
  # give them an helpful diagnostic instead of a cryptic error.
  am--Makefile := $(wildcard Makefile)
  ifeq ($(am--Makefile),)
    $(warning There seems to be no Makefile in this directory.)
    $(warning You must run ./configure before running 'make'.)
    $(error Fatal Error)
  else
    include ./Makefile
    include $(srcdir)/syntax-checks.mk
  endif
  

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