corrected copyright notices
[gnutls.git] / GNUmakefile
blob58f2ead461a040942ad1bc374a28928a9ee99ef3
1 # Having a separate GNUmakefile lets me 'include' the dynamically
2 # generated rules created via cfg.mk (package-local configuration)
3 # as well as maint.mk (generic maintainer rules).
4 # This makefile is used only if you run GNU Make.
5 # It is necessary if you want to build targets usually of interest
6 # only to the maintainer.
8 # Copyright (C) 2001, 2003, 2006-2012 Free Software Foundation, Inc.
10 # This program is free software: you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation, either version 3 of the License, or
13 # (at your option) any later version.
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 # If the user runs GNU make but has not yet run ./configure,
24 # give them a diagnostic.
25 _gl-Makefile := $(wildcard [M]akefile)
26 ifneq ($(_gl-Makefile),)
28 # Make tar archive easier to reproduce.
29 export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
31 # Allow the user to add to this in the Makefile.
32 ALL_RECURSIVE_TARGETS =
34 include Makefile
36 # Some projects override e.g., _autoreconf here.
37 -include $(srcdir)/cfg.mk
39 # Allow cfg.mk to override these.
40 _build-aux ?= build-aux
41 _autoreconf ?= autoreconf -v
43 include $(srcdir)/maint.mk
45 # Ensure that $(VERSION) is up to date for dist-related targets, but not
46 # for others: rerunning autoreconf and recompiling everything isn't cheap.
47 _have-git-version-gen := \
48 $(shell test -f $(srcdir)/$(_build-aux)/git-version-gen && echo yes)
49 ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
50 _is-dist-target ?= $(filter-out %clean, \
51 $(filter maintainer-% dist% alpha beta stable,$(MAKECMDGOALS)))
52 _is-install-target ?= $(filter-out %check, $(filter install%,$(MAKECMDGOALS)))
53 ifneq (,$(_is-dist-target)$(_is-install-target))
54 _curr-ver := $(shell cd $(srcdir) \
55 && $(_build-aux)/git-version-gen \
56 .tarball-version \
57 $(git-version-gen-tag-sed-script))
58 ifneq ($(_curr-ver),$(VERSION))
59 ifeq ($(_curr-ver),UNKNOWN)
60 $(info WARNING: unable to verify if $(VERSION) is the correct version)
61 else
62 ifneq (,$(_is-install-target))
63 # GNU Coding Standards state that 'make install' should not cause
64 # recompilation after 'make all'. But as long as changing the version
65 # string alters config.h, the cost of having 'make all' always have an
66 # up-to-date version is prohibitive. So, as a compromise, we merely
67 # warn when installing a version string that is out of date; the user
68 # should run 'autoreconf' (or something like 'make distcheck') to
69 # fix the version, 'make all' to propagate it, then 'make install'.
70 $(info WARNING: version string $(VERSION) is out of date;)
71 $(info run '$(MAKE) _version' to fix it)
72 else
73 $(info INFO: running autoreconf for new version string: $(_curr-ver))
74 GNUmakefile: _version
75 touch GNUmakefile
76 endif
77 endif
78 endif
79 endif
80 endif
82 .PHONY: _version
83 _version:
84 cd $(srcdir) && rm -rf autom4te.cache .version && $(_autoreconf)
85 $(MAKE) $(AM_MAKEFLAGS) Makefile
87 else
89 .DEFAULT_GOAL := abort-due-to-no-makefile
90 srcdir = .
92 # The package can override .DEFAULT_GOAL to run actions like autoreconf.
93 -include ./cfg.mk
95 # Allow cfg.mk to override these.
96 _build-aux ?= build-aux
97 _autoreconf ?= autoreconf -v
99 include ./maint.mk
101 ifeq ($(.DEFAULT_GOAL),abort-due-to-no-makefile)
102 $(MAKECMDGOALS): abort-due-to-no-makefile
103 endif
105 abort-due-to-no-makefile:
106 @echo There seems to be no Makefile in this directory. 1>&2
107 @echo "You must run ./configure before running 'make'." 1>&2
108 @exit 1
110 endif
112 # Tell version 3.79 and up of GNU make to not build goals in this
113 # directory in parallel, in case someone tries to build multiple
114 # targets, and one of them can cause a recursive target to be invoked.
116 # Only set this if Automake doesn't provide it.
117 AM_RECURSIVE_TARGETS ?= $(RECURSIVE_TARGETS:-recursive=) \
118 $(RECURSIVE_CLEAN_TARGETS:-recursive=) \
119 dist distcheck tags ctags
121 ALL_RECURSIVE_TARGETS += $(AM_RECURSIVE_TARGETS)
123 ifneq ($(word 2, $(MAKECMDGOALS)), )
124 ifneq ($(filter $(ALL_RECURSIVE_TARGETS), $(MAKECMDGOALS)), )
125 .NOTPARALLEL:
126 endif
127 endif