GNUmakefile

   1 # Maintainer makefile for Automake.  Requires GNU make.
   2
   3 # Copyright (C) 2012 Free Software Foundation, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2, or (at your option)
   8 # any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # If the user runs GNU make but has not yet run ./configure,
  19 # give them an helpful diagnostic instead of a cryptic error.
  20 am--Makefile := $(wildcard Makefile)
  21 ifeq ($(am--Makefile),)
  22   $(warning There seems to be no Makefile in this directory.)
  23   $(warning You must run ./configure before running 'make'.)
  24   $(error Fatal Error)
  25 else
  26   include ./Makefile
  27   include $(srcdir)/syntax-checks.mk
  28 endif