makefile.maint

bison 2.0 主要可以用来做语法分析用的

makefile_path_separator_check:
	@grep 'PATH=.*:' `find $(srcdir) -name Makefile.am` \
	  && { echo $(msg) 1>&2; exit 1; } || :

# Check that `make alpha' will not fail at the end of the process.
writable-files:
	if test -d $(release_archive_dir); then :; else			\
	  mkdir $(release_archive_dir);					\
	fi
	for file in $(distdir).tar.gz $(xd-delta)			\
	            $(release_archive_dir)/$(distdir).tar.gz		\
	            $(release_archive_dir)/$(xd-delta); do		\
	  test -e $$file || continue;					\
	  test -w $$file						\
	    || { echo ERROR: $$file is not writable; fail=1; };		\
	done;								\
	test "$$fail" && exit 1 || :

v_etc_file = lib/version-etc.c
# Make sure that the copyright date in $(v_etc_file) is up to date.
copyright-check:
	@if test -f $(v_etc_file); then \
	  grep '"Copyright (C) $(shell date +%Y) Free' $(v_etc_file) \
	    >/dev/null \
	  || { echo 'out of date copyright in $(v_etc_file); update it' 1>&2; \
	       exit 1; }; \
	fi


# Sanity checks with the CVS repository.
cvs-tag-check:
	echo $(this-cvs-tag); \
	if $(CVS) -n log -h README | grep -e $(this-cvs-tag): >/dev/null; then \
	  echo "$(this-cvs-tag) as already been used; not tagging" 1>&2; \
	  exit 1; \
	else :; fi

cvs-diff-check:
	if $(CVS) diff >cvs-diffs; then				\
	  rm cvs-diffs;						\
	else							\
	  echo "Some files are locally modified:" 1>&2;		\
	  cat cvs-diffs;					\
	  exit 1;						\
	fi

cvs-check: cvs-diff-check cvs-tag-check

maintainer-distcheck: changelog-check
	$(MAKE) distcheck
	$(MAKE) my-distcheck


# Tag before making distribution.  Also, don't make a distribution if
# checks fail.  Also, make sure the NEWS file is up-to-date.
# FIXME: use dist-hook/my-dist like distcheck-hook/my-distcheck.
cvs-dist: $(local-check) cvs-check maintainer-distcheck
	$(CVS) update po
	$(CVS) tag -c $(this-cvs-tag)
	$(MAKE) dist

# Use this to make sure we don't run these programs when building
# from a virgin tgz file, below.
null_AM_MAKEFLAGS = \
  ACLOCAL=false \
  AUTOCONF=false \
  AUTOMAKE=false \
  AUTOHEADER=false \
  MAKEINFO=false

# Detect format-string/arg-list mismatches that would normally be obscured
# by the use of _().  The --disable-nls effectively defines away that macro,
# and building with CFLAGS='-Wformat -Werror' causes any format warning to be
# treated as a failure.
TMPDIR ?= /tmp
t=$(TMPDIR)/$(PACKAGE)/test
my-distcheck: $(local-check)
	-rm -rf $(t)
	mkdir -p $(t)
	GZIP=$(GZIP_ENV) $(AMTAR) -C $(t) -zxf $(distdir).tar.gz
	cd $(t)/$(distdir) \
	  && ./configure --disable-nls \
	  && $(MAKE) CFLAGS='-Wformat -Werror' \
	      AM_MAKEFLAGS='$(null_AM_MAKEFLAGS)' \
	  && $(MAKE) dvi \
	  && $(MAKE) check \
	  && $(MAKE) distclean
	(cd $(t) && mv $(distdir) $(distdir).old \
	  && $(AMTAR) -zxf - ) < $(distdir).tar.gz
	diff -ur $(t)/$(distdir).old $(t)/$(distdir)
	-rm -rf $(t)
	@echo "========================"; \
	echo "$(distdir).tar.gz is ready for distribution"; \
	echo "========================"

WGET = wget
WGETFLAGS = -C off

tgz-md5 = $(shell md5sum < $(my_distdir).tar.gz|sed 's/  -//')
tgz-sha1 = $(shell sha1sum < $(my_distdir).tar.gz|sed 's/  -//')
bz2-md5 = $(shell md5sum < $(my_distdir).tar.bz2|sed 's/  -//')
bz2-sha1 = $(shell sha1sum < $(my_distdir).tar.bz2|sed 's/  -//')
xdelta-md5 = $(shell md5sum < $(xd-delta)|sed 's/  -//')
xdelta-sha1 = $(shell sha1sum < $(xd-delta)|sed 's/  -//')
tgz-size = $(shell du --human $(my_distdir).tar.gz|sed 's/\([MkK]\).*/ \1B/')
bz2-size = $(shell du --human $(my_distdir).tar.bz2|sed 's/\([MkK]\).*/ \1B/')
xd-size = $(shell du --human $(xd-delta)|sed 's/\([MkK]\).*/ \1B/')

rel-check:
	tarz=/tmp/rel-check-tarz-$$$$; \
	md5_tmp=/tmp/rel-check-md5-$$$$; \
	set -e; \
	trap 'status=$$?; rm -f $$tarz $$md5_tmp; exit $$status' 0 1 2 3 15; \
	$(WGET) $(WGETFLAGS) -q --output-document=$$tarz $(url); \
	echo "$(md5)  -" > $$md5_tmp; \
	md5sum -c $$md5_tmp < $$tarz

prev-tgz = $(PACKAGE)-$(PREV_VERSION).tar.gz
xd-delta = $(PACKAGE)-$(PREV_VERSION)-$(VERSION).xdelta

signatures ?= $(distdir).tar.bz2.asc $(distdir).tar.gz.asc
%.asc: %
	rm -f $@
	gpg --armor --detach-sign -o $@ $<

rel-files = $(xd-delta) $(distdir).tar.bz2 $(distdir).tar.gz $(signatures)
announce_gen ?= ./announce-gen
announcement: NEWS ChangeLog $(rel-files) $(signatures)
	@$(announce_gen)						\
	    --release-type=$(RELEASE_TYPE)				\
	    --package=$(PACKAGE)					\
	    --prev=$(PREV_VERSION)					\
	    --curr=$(VERSION)						\
	    --release-archive-directory=$(release_archive_dir)		\
	    --news=NEWS							\
	    $(addprefix --url-dir=, $(url_dir_list))			\


## ---------------- ##
## Updating files.  ##
## ---------------- ##

ftp-gnu = ftp://ftp.gnu.org/gnu
www-gnu = http://www.gnu.org

# Use mv, if you don't have/want move-if-change.
move_if_change ?= move-if-change


# --------------------- #
# Updating everything.  #
# --------------------- #

.PHONY: update
local_updates ?= wget-update cvs-update po-update
update: $(local_updates)


# ------------------- #
# Updating PO files.  #
# ------------------- #

po_repo = http://www.iro.umontreal.ca/contrib/po/maint/$(PACKAGE)
.PHONY: do-po-update po-update
do-po-update:
	tmppo=/tmp/$(PACKAGE)-$(VERSION)-po &&\
	rm -rf $$tmppo && \
	mkdir $$tmppo && \
	(cd $$tmppo && \
	  $(WGET) $(WGETFLAGS) -r -l1 -nd --no-parent -A '*.po' $(po_repo)) &&\
	cp $$tmppo/*.po po
	cd po && $(MAKE) update-po
	$(MAKE) po-check

po-update:
	if test -d "po"; then \
	  $(MAKE) do-po-update; \
	fi

# -------------------------- #
# Updating GNU build tools.  #
# -------------------------- #

# The following pseudo table associates a local directory and a URL
# with each of the files that belongs to some other package and is
# regularly updated from the specified URL.
wget_files ?= $(srcdir)/config/config.guess \
              $(srcdir)/config/config.sub \
              $(srcdir)/src/ansi2knr.c \
	      $(srcdir)/config/texinfo.tex
get-targets = $(patsubst %, get-%, $(wget_files))

config.guess-url_prefix = $(ftp-gnu)/config/
config.sub-url_prefix = $(ftp-gnu)/config/

ansi2knr.c-url_prefix = ftp://ftp.cs.wisc.edu/ghost/

texinfo.tex-url_prefix = $(ftp-gnu)/texinfo/

standards.texi-url_prefix = $(www-gnu)/prep/
make-stds.texi-url_prefix = $(standards.texi-url_prefix)

target = $(patsubst get-%, %, $@)
url = $($(notdir $(target))-url_prefix)$(notdir $(target))

.PHONY: $(get-targets)
$(get-targets):
	$(WGET) $(WGETFLAGS) $(url) -O $(target).t \
	  && $(move_if_change) $(target).t $(target)

cvs_files ?= \
  $(srcdir)/src/ansi2knr.c \
  $(srcdir)/config/depcomp \
  $(srcdir)/config/install-sh \
  $(srcdir)/config/missing \
  $(srcdir)/config/mkinstalldirs
automake_repo=:pserver:anoncvs:[e-mail]:/cvs/automake
.PHONY: wget-update
wget-update: $(get-targets)

.PHONY: cvs-update
cvs-update:
	fail=;								\
	for f in $(cvs_files); do					\
	  test -f $$f || { echo "*** skipping $$f" 1>&2; continue; };	\
	  cvs diff $$f > /dev/null					\
	    || { echo "*** $$f is locally modified; skipping it" 1>&2;	\
		 fail=yes; continue; };					\
	  file=$$(basename $$f);					\
	  echo checking out $$file...;					\
	  $(CVS) -d $(automake_repo) co -p automake/lib/$$file> $$f.t	\
	    && $(move_if_change) $$f.t $$f;				\
	done;								\
	test "$$fail" && exit 1

define emit-upload-commands
	echo =====================================
	echo =====================================
	echo upload $(PACKAGE) $(PREV_VERSION) $(VERSION)
	echo '# send the /tmp/announcement e-mail'
	echo =====================================
	echo =====================================
endef

$(xd-delta): $(release_archive_dir)/$(prev-tgz) $(distdir).tar.gz
	xdelta delta -9 $^ $@ || :

.PHONY: alpha beta major
alpha beta major: $(local-check)
	$(MAKE) cvs-dist
	$(MAKE) $(xd-delta)
	$(MAKE) -s announcement RELEASE_TYPE=$@ > /tmp/announce-$(my_distdir)
	ln $(rel-files) $(release_archive_dir)
	chmod a-w $(rel-files)
	echo $(VERSION) > $(prev_version_file)
	$(CVS) ci -m. $(prev_version_file)
	@$(emit-upload-commands)