-# Having a separate GNUmakefile lets me `include' the dynamically
+# 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, 2006-2008 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2003, 2006-2013 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
# 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)
+_gl-Makefile := $(wildcard [M]akefile)
+ifneq ($(_gl-Makefile),)
# 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
+_autoreconf ?= autoreconf -v
+
+include $(srcdir)/maint.mk
# 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)))
+ _is-dist-target ?= $(filter-out %clean, \
+ $(filter maintainer-% dist% alpha beta stable,$(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)
+ _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 $(VERSION) is correct version)
- else ifneq (,$(_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
- # refuse to install if the version string is out of date; the user
- # must run 'autoreconf' (or something like 'make distcheck') to
- # fix the version, 'make all' to propagate it, then 'make install'.
- $(error version string $(VERSION) is out of date; run autoreconf before installing)
+ $(info WARNING: unable to verify if $(VERSION) is the correct version)
else
- $(info INFO: running autoreconf for new version string: $(_curr-ver))
- _dummy := $(shell cd $(srcdir) && rm -rf autom4te.cache .version \
- && $(_autoreconf))
+ ifneq (,$(_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) $(AM_MAKEFLAGS) Makefile
+
else
.DEFAULT_GOAL := abort-due-to-no-makefile
# The package can override .DEFAULT_GOAL to run actions like autoreconf.
-include ./cfg.mk
+
+# Allow cfg.mk to override these.
+_build-aux ?= build-aux
+_autoreconf ?= autoreconf -v
+
include ./maint.mk
ifeq ($(.DEFAULT_GOAL),abort-due-to-no-makefile)
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
+ @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. This is necessary in case someone tries to
-# build multiple targets on one command line.
+# 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