-
Notifications
You must be signed in to change notification settings - Fork 0
/
GNUmakefile
131 lines (108 loc) · 4.7 KB
/
GNUmakefile
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
# Having a separate GNUmakefile lets me `include' the dynamically
# generated rules created via cfg.mk (package-local configuration)
# as well as maint.mk (generic maintainer rules).
# This makefile is used only if you run GNU Make.
# It is necessary if you want to build targets usually of interest
# only to the maintainer.
# Copyright (C) 2001, 2003, 2006-2010 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 3 of the License, 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/>.
# Systems where /bin/sh is not the default shell need this. The $(shell)
# command below won't work with e.g. stock DOS/Windows shells.
ifeq ($(wildcard /bin/s[h]),/bin/sh)
SHELL = /bin/sh
else
# will be used only with the next shell-test line, then overwritten
# by a configured-in value
SHELL = sh
endif
# If the user runs GNU make but has not yet run ./configure,
# give them a diagnostic.
_have-Makefile := $(shell test -f Makefile && echo yes)
ifeq ($(_have-Makefile),yes)
# Make tar archive easier to reproduce.
export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
# Allow the user to add to this in the Makefile.
ALL_RECURSIVE_TARGETS =
include Makefile
# Some projects override e.g., _autoreconf here.
-include $(srcdir)/cfg.mk
include $(srcdir)/maint.mk
# Allow cfg.mk to override these.
_build-aux ?= build-aux
_autoreconf ?= autoreconf -v
# Ensure that $(VERSION) is up to date for dist-related targets, but not
# for others: rerunning autoreconf and recompiling everything isn't cheap.
_have-git-version-gen := \
$(shell test -f $(srcdir)/$(_build-aux)/git-version-gen && echo yes)
ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
_is-dist-target ?= $(filter-out %clean, \
$(filter maintainer-% dist% alpha beta major,$(MAKECMDGOALS)))
_is-install-target ?= $(filter-out %check, $(filter install%,$(MAKECMDGOALS)))
ifneq (,$(_is-dist-target)$(_is-install-target))
_curr-ver := $(shell cd $(srcdir) \
&& $(_build-aux)/git-version-gen \
.tarball-version \
$(git-version-gen-tag-sed-script))
ifneq ($(_curr-ver),$(VERSION))
ifeq ($(_curr-ver),UNKNOWN)
$(info WARNING: unable to verify if $(VERSION) is the correct version)
else
ifneq (,$(_is-install-target))
# GNU Coding Standards state that 'make install' should not cause
# recompilation after 'make all'. But as long as changing the version
# string alters config.h, the cost of having 'make all' always have an
# up-to-date version is prohibitive. So, as a compromise, we merely
# warn when installing a version string that is out of date; the user
# should run 'autoreconf' (or something like 'make distcheck') to
# fix the version, 'make all' to propagate it, then 'make install'.
$(info WARNING: version string $(VERSION) is out of date;)
$(info run '$(MAKE) _version' to fix it)
else
$(info INFO: running autoreconf for new version string: $(_curr-ver))
GNUmakefile: _version
touch GNUmakefile
endif
endif
endif
endif
endif
.PHONY: _version
_version:
cd $(srcdir) && rm -rf autom4te.cache .version && $(_autoreconf)
$(MAKE) $(AM_MAKEFLAGS) Makefile
else
.DEFAULT_GOAL := abort-due-to-no-makefile
srcdir = .
# The package can override .DEFAULT_GOAL to run actions like autoreconf.
-include ./cfg.mk
include ./maint.mk
ifeq ($(.DEFAULT_GOAL),abort-due-to-no-makefile)
$(MAKECMDGOALS): abort-due-to-no-makefile
endif
abort-due-to-no-makefile:
@echo There seems to be no Makefile in this directory. 1>&2
@echo "You must run ./configure before running \`make'." 1>&2
@exit 1
endif
# Tell version 3.79 and up of GNU make to not build goals in this
# directory in parallel, in case someone tries to build multiple
# targets, and one of them can cause a recursive target to be invoked.
# Only set this if Automake doesn't provide it.
AM_RECURSIVE_TARGETS ?= $(RECURSIVE_TARGETS:-recursive=) \
$(RECURSIVE_CLEAN_TARGETS:-recursive=) \
dist distcheck tags ctags
ALL_RECURSIVE_TARGETS += $(AM_RECURSIVE_TARGETS)
ifneq ($(word 2, $(MAKECMDGOALS)), )
ifneq ($(filter $(ALL_RECURSIVE_TARGETS), $(MAKECMDGOALS)), )
.NOTPARALLEL:
endif
endif