* TODO: Add request from Nelson H. F. Beebe to be able to install
[bison.git] / GNUmakefile
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1# Having a separate GNUmakefile lets me `include' the dynamically
2# generated rules created via Makefile.maint as well as Makefile.maint itself.
3# This makefile is used only if you run GNU Make.
4# It is necessary if you want to build targets usually of interest
5# only to the maintainer.
6
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7# Copyright (C) 2001, 2003 Free Software Foundation, Inc.
8#
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License along
20# with this program; if not, write to the Free Software Foundation, Inc.,
0fb669f9 21# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
603f1cfd 22
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23# Systems where /bin/sh is not the default shell need this. The $(shell)
24# command below won't work with e.g. stock DOS/Windows shells.
603f1cfd 25ifeq ($(wildcard /bin/s[h]),/bin/sh)
d074a105 26SHELL = /bin/sh
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27else
28# will be used only with the next shell-test line, then overwritten
29# by a configured-in value
30SHELL = sh
31endif
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32
33have-Makefile := $(shell test -f Makefile && echo yes)
34
35# If the user runs GNU make but has not yet run ./configure,
36# give them a diagnostic.
37ifeq ($(have-Makefile),yes)
38
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39# Make tar archive easier to reproduce.
40export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
41
d074a105 42include Makefile
603f1cfd 43include $(srcdir)/Makefile.cfg
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44include $(srcdir)/Makefile.maint
45
46else
47
48all:
49 @echo There seems to be no Makefile in this directory.
50 @echo "You must run ./configure before running \`make'."
51 @exit 1
52
53endif
54
55# Tell version 3.79 and up of GNU make to not build goals in this
56# directory in parallel. This is necessary in case someone tries to
57# build multiple targets on one command line.
58.NOTPARALLEL: