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.
7 # Copyright (C) 2001, 2003, 2006-2008 Free Software Foundation, Inc.
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 3 of the License, or
12 # (at your option) any later version.
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.
19 # You should have received a copy of the GNU General Public License
20 # along with this program. If not, see <http://www.gnu.org/licenses/>.
22 # Systems where /bin/sh is not the default shell need this. The $(shell)
23 # command below won't work with e.g. stock DOS/Windows shells.
24 ifeq ($(wildcard /bin
/s
[h
]),/bin
/sh
)
27 # will be used only with the next shell-test line, then overwritten
28 # by a configured-in value
32 have-Makefile
:= $(shell test -f Makefile
&& echo yes
)
34 # If the user runs GNU make but has not yet run ./configure,
35 # give them a diagnostic.
36 ifeq ($(have-Makefile
),yes
)
38 # Make tar archive easier to reproduce.
39 export TAR_OPTIONS
= --owner
=0 --group
=0 --numeric-owner
43 # Ensure that $(VERSION) is up to date for dist-related targets, but not
44 # for others: running autoreconf and recompiling everything isn't cheap.
46 _is-dist-target
= $(filter dist% alpha beta major
,$(MAKECMDGOALS
))
47 ifneq (,$(_is-dist-target
))
48 _curr-ver
:= $(shell build-aux
/git-version-gen .version
)
49 ifneq ($(_curr-ver
),$(VERSION
))
50 $(info INFO
: running autoreconf for new version string
: $(_curr-ver
))
51 dummy
:= $(shell rm -rf autom4te.cache
; autoreconf
)
52 dummy
:= $(shell echo
$(_curr-ver
) > .version
)
53 _created_version_file
= 1
58 ifneq ($(_created_version_file
),1)
59 dummy
:= $(shell test -f .version || echo
$(VERSION
) > .version
)
62 include $(srcdir)/Makefile.cfg
63 include $(srcdir)/Makefile.maint
68 @echo There seems to be no Makefile in this directory.
1>&2
69 @echo
"You must run ./configure before running \`make'." 1>&2
74 # Tell version 3.79 and up of GNU make to not build goals in this
75 # directory in parallel. This is necessary in case someone tries to
76 # build multiple targets on one command line.