* config/announce-gen, Makefile.cfg: New.

* Makefile.am: Adjust.
* GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
keeping local WGET and WGETFLAGS modifications from Paul Eggert.

ChangeLog

@@ -1,3 +1,10 @@
+2003-08-25  Akim Demaille  <akim@epita.fr>
+
+	* config/announce-gen, Makefile.cfg: New.
+	* Makefile.am: Adjust.
+	* GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
+	keeping local WGET and WGETFLAGS modifications from Paul Eggert.
+
 2003-08-25  Akim Demaille  <akim@epita.fr>
 
 	When reducing initial empty rules, Bison parser read an initial

GNUmakefile

@@ -4,9 +4,31 @@
 # It is necessary if you want to build targets usually of interest
 # only to the maintainer.
 
+# Copyright (C) 2001, 2003 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 2 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, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+
 # 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
 
 have-Makefile := $(shell test -f Makefile && echo yes)
 
@@ -14,7 +36,11 @@ have-Makefile := $(shell test -f Makefile && echo yes)
 # give them a diagnostic.
 ifeq ($(have-Makefile),yes)
 
+# Make tar archive easier to reproduce.
+export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
+
 include Makefile
+include $(srcdir)/Makefile.cfg
 include $(srcdir)/Makefile.maint
 
 else

Makefile.am

@@ -1,5 +1,5 @@
 ## Process this file with automake to produce Makefile.in -*-Makefile-*-
-## Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+## Copyright (C) 2001, 2002, 2003 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
@@ -20,26 +20,8 @@ ACLOCAL_AMFLAGS = -I m4
 
 SUBDIRS = config po lib data src doc m4 tests
 
-EXTRA_DIST = REFERENCES OChangeLog Makefile.maint GNUmakefile
+EXTRA_DIST = REFERENCES OChangeLog Makefile.maint GNUmakefile Makefile.cfg
 
 .PHONY: maintainer-check
 maintainer-check:
 	cd tests && $(MAKE) $(AM_MAKEFLAGS) $@
-
-## ---------------------------- ##
-## Customizing Makefile.maint.  ##
-## ---------------------------- ##
-
-move_if_change = $(srcdir)/config/move-if-change
-prev_version_file = $(srcdir)/config/prev-version.txt
-release_archive_dir = releases
-
-# Uploading betas.
-url_dir_list = \
-  ftp://alpha.gnu.org/gnu/bison
-
-# Files to update automatically.
-wget_files = $(srcdir)/config/config.guess $(srcdir)/config/config.sub \
-	     $(srcdir)/config/texinfo.tex
-
-cvs_files = $(srcdir)/config/missing

Makefile.cfg

@@ -0,0 +1,50 @@
+# Customize Makefile.maint for Bison.            -*- makefile -*-
+# Copyright (C) 2003 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 2, 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, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.
+
+prev_version_file = $(srcdir)/config/prev-version.txt
+move_if_change = $(srcdir)/config/move-if-change
+announce_gen   = $(srcdir)/config/announce-gen
+release_archive_dir = releases
+
+# Use alpha.gnu.org for alpha and beta releases.
+# Use ftp.gnu.org for major releases.
+gnu_ftp_host-alpha = alpha
+gnu_ftp_host-beta = alpha
+gnu_ftp_host-major = ftp
+gnu_rel_host = $(gnu_ftp_host-$(RELEASE_TYPE))
+
+url_dir_list = \
+  ftp://$(gnu_rel_host).gnu.org/gnu/bison
+
+# Files to update automatically.
+wget_files = \
+  $(srcdir)/config/config.guess \
+  $(srcdir)/config/config.sub \
+  $(srcdir)/config/texinfo.tex \
+
+cvs_files = \
+  $(srcdir)/config/install-sh \
+  $(srcdir)/config/mdate-sh \
+  $(srcdir)/config/missing \
+  $(srcdir)/config/mkinstalldirs
+
+# Tests not to run.
+# local-checks-to-skip ?= \
+#   author_mark_check \
+#   strftime-check syntax-check makefile_path_separator_check \
+#   makefile-check

Makefile.maint

@@ -1,8 +1,8 @@
 # -*-Makefile-*-
-# This Makefile fragment is shared between fileutils, sh-utils, textutils,
+# This Makefile fragment is shared between the coreutils,
 # CPPI, Bison, and Autoconf.
 
-## Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
+## Copyright (C) 2001-2003 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
@@ -19,28 +19,34 @@
 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 ## 02111-1307, USA.
 
+# This is reported not to work with make-3.79.1
+# ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
+ME := Makefile.maint
+
 # Do not save the original name or timestamp in the .tar.gz file.
-GZIP_ENV = '--no-name --best'
+GZIP_ENV = '--no-name --best --rsyncable'
 
 CVS = cvs
 
-prev_version_file ?= .prev-version
+ifeq ($(origin prev_version_file), undefined)
+  prev_version_file = .prev-version
+endif
 
-THIS_VERSION_REGEXP = $(subst .,\.,$(VERSION))
 PREV_VERSION := $(shell cat $(prev_version_file))
-PREV_VERSION_REGEXP := $(shell echo $(PREV_VERSION)|sed 's/\./\\./g')
 
 tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
 tag-this-version = $(subst .,_,$(VERSION))
-tag-prev-version = $(subst .,_,$(PREV_VERSION))
 this-cvs-tag = $(tag-package)-$(tag-this-version)
-prev-cvs-tag = $(tag-package)-$(tag-prev-version)
 my_distdir = $(PACKAGE)-$(VERSION)
 
 # Old releases are stored here.
 # Used for diffs and xdeltas.
 release_archive_dir ?= ../release
 
+# Prevent programs like 'sort' from considering distinct strings to be equal.
+# Doing it here saves us from having to set LC_ALL elsewhere in this file.
+export LC_ALL = C
+
 
 
 ## --------------- ##
@@ -50,21 +56,134 @@ release_archive_dir ?= ../release
 # Checks that don't require cvs.
 # Run `changelog-check' last, as previous test may reveal problems requiring
 # new ChangeLog entries.
-local-check = \
+local-checks-available = \
   po-check copyright-check writable-files m4-check author_mark_check \
-  changelog-check strftime-check header-check
-.PHONY: $(local-check)
+  changelog-check strftime-check syntax-check makefile_path_separator_check \
+  makefile-check
+.PHONY: $(local-checks-available)
+
+local-check = $(filter-out $(local-checks-to-skip), $(local-checks-available))
 
 # Make sure C source files in src/ don't include xalloc.h directly,
 # since they all already include it via sys2.h.
 # It's not a big deal -- just aesthetics.
-header-check:
-	if test -f $(srcdir)/src/sys2.h; then				\
+.PHONY: $(syntax-check-rules)
+syntax-check-rules = \
+  sc_cast_of_argument_to_free \
+  sc_cast_of_x_alloc_return_value \
+  sc_changelog \
+  sc_error_exit_success \
+  sc_space_tab \
+  sc_sun_os_names \
+  sc_system_h_headers \
+  sc_unmarked_diagnostics \
+  sc_xalloc_h_in_src
+
+syntax-check: $(syntax-check-rules)
+#	@grep -E '#  *include <(limits|std(def|arg|bool))\.h>'		\
+#	    $$(find -type f -name '*.[chly]') &&			\
+#	  { echo '$(ME): found conditional include' 1>&2;		\
+#	    exit 1; } || :
+
+#	grep -E '^#  *include <(string|stdlib)\.h>'			\
+#	    $(srcdir)/{lib,src}/*.[chy] &&				\
+#	  { echo '$(ME): FIXME' 1>&2;					\
+#	    exit 1; } || :
+# FIXME: don't allow `#include .strings\.h' anywhere
+
+# Look for diagnostics that aren't marked for translation.
+# This won't find any for which error's format string is on a separate line.
+sc_unmarked_diagnostics:
+	@grep --exclude=$(srcdir)/src/shred.c -E			\
+	    '\<error \([^"]*"[^"]*[a-z]{3}' $(srcdir)/{lib,src}/*.c	\
+	  | grep -v '_(' &&						\
+	  { echo '$(ME): found unmarked diagnostic(s)' 1>&2;		\
+	    exit 1; } || :
+
+sc_cast_of_argument_to_free:
+	@grep -E '\<free \(\(' $(srcdir)/{lib,src}/*.[chly] &&		\
+	  { echo '$(ME): don'\''t cast free argument' 1>&2;		\
+	    exit 1; } || :
+
+sc_cast_of_x_alloc_return_value:
+	@grep -E --exclude=$(srcdir)/lib/regex.c			\
+	    '\*\) *x(m|c|re)alloc\>' $(srcdir)/{lib,src}/*.[chy] &&	\
+	  { echo '$(ME): don'\''t cast x*alloc return value' 1>&2;	\
+	    exit 1; } || :
+
+sc_space_tab:
+	@( cvsu --list ) > /dev/null 2>&1 || : &&			\
+	  grep '[ ]	'						\
+	     $$(cvsu --list | grep -vEf .x-$@ ) &&			\
+	  { echo '$(ME): found SPACE-TAB sequence; remove the SPACE'	\
+		1>&2; exit 1; } || :
+
+# Using EXIT_SUCCESS as the first argument to error is misleading,
+# since when that parameter is 0, error does not exit.  Use `0' instead.
+sc_error_exit_success:
+	@grep -F 'error (EXIT_SUCCESS,'					\
+	    $$(find -type f -name '*.[chly]') &&			\
+	  { echo '$(ME): found error (EXIT_SUCCESS' 1>&2;		\
+	    exit 1; } || :
+
+# FIXME: merge this with sc_system_h_headers below.
+# xalloc.h is included via system.h, so should not be included
+# directly by any file in src/.
+sc_xalloc_h_in_src:
+	@if test -f $(srcdir)/src/sys2.h; then				\
 	  if grep 'xalloc\.h' $(srcdir)/src/*.c; then			\
 	    exit 1;							\
 	  fi;								\
 	fi
 
+# FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
+
+# Each nonempty line must start with a year number, or a TAB.
+sc_changelog:
+	@grep '^[^12	]' $$(find . -name ChangeLog -maxdepth 2) &&	\
+	  { echo '$(ME): found unexpected prefix in a ChangeLog' 1>&2;	\
+	    exit 1; } || :
+
+header_regexp = \
+  alloca\
+  |closeout\
+  |ctype\
+  |dirent\
+  |errno\
+  |fcntl\
+  |inttypes\
+  |limits\
+  |locale\
+  |pathmax\
+  |std(lib|bool)\
+  |string\
+  |sys/(stat|dir|time)\
+  |time\
+  |unistd\
+  |utime\
+  |version-etc\
+  |xalloc
+h_re := $(shell echo '$(header_regexp)'|tr -d ' ')
+
+# Files in src/ should not include directly any of
+# the headers already included via system.h.
+# Get list of candidates with this:
+# grep -h include src/sys*.h|sed 's/.*include //'|sort -
+sc_system_h_headers:
+	@( cvsu --list ) > /dev/null 2>&1 || : &&			\
+	grep -E '^# *include ["<]($(h_re))\.h[">]'			\
+	    $$(cvsu --list src | grep -Ev 'sys(2|tem)\.h$$')		\
+	  && { echo '$(ME): the above are already included via system.h'\
+		1>&2; exit 1; } || :
+
+sc_sun_os_names:
+	@( cvsu --list ) > /dev/null 2>&1 || : && \
+	grep -Ei \
+	    'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \
+	  $$(cvsu --list | grep -vEf .x-$@ ) &&			\
+	  { echo '$(ME): found misuse of Sun OS version numbers' 1>&2;	\
+	    exit 1; } || :
+
 # Ensure that date's --help output stays in sync with the info
 # documentation for GNU strftime.  The only exception is %N,
 # which date accepts but GNU strftime does not.
@@ -80,6 +199,13 @@ strftime-check:
 	  rm -f $@-src $@-info;						\
 	fi
 
+# Ensure that we use only the standard $(VAR) notation,
+# not @...@ in Makefile.am, now that we can rely on automake
+# to emit a definition for each substituted variable.
+makefile-check:
+	grep -E '@[A-Z_0-9]+@' `find . -name Makefile.am` \
+	  && { echo 'Makefile.maint: use $(...), not @...@' 1>&2; exit 1; } || :
+
 changelog-check:
 	if head ChangeLog | grep 'Version $(VERSION)' >/dev/null; then \
 	  :; \
@@ -119,6 +245,17 @@ author_mark_check:
 	  { echo 'Makefile.maint: enclose the above strings in N_ (...)' 1>&2; \
 	    exit 1; } || :
 
+# Sometimes it is useful to change the PATH environment variable
+# in Makefiles.  When doing so, it's better not to use the Unix-centric
+# path separator of `:', but rather the automake-provided `@PATH_SEPARATOR@'.
+# It'd be better to use `find -print0 ...|xargs -0 ...', but less portable,
+# and there probably aren't many projects with so many Makefile.am files
+# that we'd have to worry about limits on command line length.
+msg = 'Makefile.maint: Do not use `:'\'' above; use @PATH_SEPARATOR@ instead'
+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			\
@@ -153,10 +290,10 @@ cvs-tag-check:
 	else :; fi
 
 cvs-diff-check:
-	if $(CVS) diff >cvs-diffs; then			  	\
-	  rm cvs-diffs;					  	\
-	else						  	\
-	  echo "Some files are locally modified:" 1>&2;  	\
+	if $(CVS) diff >cvs-diffs; then				\
+	  rm cvs-diffs;						\
+	else							\
+	  echo "Some files are locally modified:" 1>&2;		\
 	  cat cvs-diffs;					\
 	  exit 1;						\
 	fi
@@ -189,10 +326,11 @@ null_AM_MAKEFLAGS = \
 # by the use of _().  The --disable-nls effectively defines away that macro,
 # and building with CFLAGS='-Wformat -Werror' causes any format warning to be
 # treated as a failure.
-t=./=test
+TMPDIR ?= /tmp
+t=$(TMPDIR)/$(PACKAGE)/test
 my-distcheck: $(local-check)
 	-rm -rf $(t)
-	mkdir $(t)
+	mkdir -p $(t)
 	GZIP=$(GZIP_ENV) $(AMTAR) -C $(t) -zxf $(distdir).tar.gz
 	cd $(t)/$(distdir) \
 	  && ./configure --disable-nls \
@@ -201,8 +339,8 @@ my-distcheck: $(local-check)
 	  && $(MAKE) dvi \
 	  && $(MAKE) check \
 	  && $(MAKE) distclean
-	cd $(t) && mv $(distdir) $(distdir).old \
-	  && $(AMTAR) -zxf ../$(distdir).tar.gz
+	(cd $(t) && mv $(distdir) $(distdir).old \
+	  && $(AMTAR) -zxf - ) < $(distdir).tar.gz
 	diff -ur $(t)/$(distdir).old $(t)/$(distdir)
 	-rm -rf $(t)
 	@echo "========================"; \
@@ -234,47 +372,22 @@ rel-check:
 prev-tgz = $(PACKAGE)-$(PREV_VERSION).tar.gz
 xd-delta = $(PACKAGE)-$(PREV_VERSION)-$(VERSION).xdelta
 
-news-r1 = /^[^ ].*$(THIS_VERSION_REGEXP)[]:]/
-news-r2 = /^[^ ].*$(PREV_VERSION_REGEXP)[]:]/
+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
-announcement: NEWS ChangeLog $(rel-files)
-	@( \
-	  echo Subject: $(my_distdir) released; \
-	  echo; \
-	  echo FIXME: put comments here; \
-	  echo; \
-	  for url in $(url_dir_list); do \
-	    echo "  $$url/$(my_distdir).tar.gz   ($(tgz-size))"; \
-	    echo "  $$url/$(my_distdir).tar.bz2  ($(bz2-size))"; \
-	  done; \
-	  echo; \
-	  echo And here are xdelta-style diffs; \
-	  echo; \
-	  for url in $(url_dir_list); do \
-	    echo "  $$url/$(xd-delta)   ($(xd-size))"; \
-	  done; \
-	  echo; \
-	  echo "Here are the MD5 and SHA1 signatures:"; \
-	  echo; \
-	  echo "$(tgz-md5)  $(my_distdir).tar.gz"; \
-	  echo "$(bz2-md5)  $(my_distdir).tar.bz2"; \
-	  echo "$(xdelta-md5)  $(xd-delta)"; \
-	  echo "$(tgz-sha1)  $(my_distdir).tar.gz"; \
-	  echo "$(bz2-sha1)  $(my_distdir).tar.bz2"; \
-	  echo "$(xdelta-sha1)  $(xd-delta)"; \
-	  echo; \
-	  echo NEWS:; \
-	  sed -n "$(news-r1),$(news-r2)p" NEWS \
-	    | grep -v '^\['; \
-	  echo; \
-	  echo ChangeLog entries:; \
-	  find . -name ChangeLog -maxdepth 2 \
-	    | xargs $(CVS) diff -up -r$(prev-cvs-tag) -rHEAD \
-	    | sed -n 's/^+//p' \
-	    | perl -ne 'm!^\+\+ (\./)?! or print,next;' \
-	      -e 'print "\n"."*"x70 ."\n"; s///; print; print "*"x70 ."\n"'; \
-	)
+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))			\
 
 
 ## ---------------- ##
@@ -282,6 +395,7 @@ announcement: NEWS ChangeLog $(rel-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
@@ -306,7 +420,8 @@ do-po-update:
 	tmppo=/tmp/$(PACKAGE)-$(VERSION)-po &&\
 	rm -rf $$tmppo && \
 	mkdir $$tmppo && \
-	(cd $$tmppo && $(WGET) $(WGETFLAGS) -r -l1 -nd --no-parent -A '*.po' $(po_repo)) &&\
+	(cd $$tmppo && \
+	  $(WGET) $(WGETFLAGS) -r -l1 -nd --no-parent -A '*.po' $(po_repo)) &&\
 	cp $$tmppo/*.po po
 	cd po && $(MAKE) update-po
 	$(MAKE) po-check
@@ -336,8 +451,8 @@ ansi2knr.c-url_prefix = ftp://ftp.cs.wisc.edu/ghost/
 
 texinfo.tex-url_prefix = $(ftp-gnu)/texinfo/
 
-standards.texi-url_prefix = $(ftp-gnu)/GNUinfo/
-make-stds.texi-url_prefix = $(ftp-gnu)/GNUinfo/
+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))
@@ -347,21 +462,30 @@ $(get-targets):
 	$(WGET) $(WGETFLAGS) $(url) -O $(target).t \
 	  && $(move_if_change) $(target).t $(target)
 
-cvs_files ?= $(srcdir)/config/depcomp $(srcdir)/config/missing $(srcdir)/config/mkinstalldirs \
-             $(srcdir)/config/install-sh $(srcdir)/src/ansi2knr.c
+cvs_files ?= \
+  $(srcdir)/src/ansi2knr.c \
+  $(srcdir)/config/depcomp \
+  $(srcdir)/config/install-sh \
+  $(srcdir)/config/missing \
+  $(srcdir)/config/mkinstalldirs
 automake_repo=:pserver:anoncvs:anoncvs@sources.redhat.com:/cvs/automake
 .PHONY: wget-update
 wget-update: $(get-targets)
 
 .PHONY: cvs-update
 cvs-update:
-	for f in $(cvs_files); do				      \
-	  test -f $$f || { echo "*** skipping $$f" 1>&2; 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
+	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 =====================================
@@ -375,10 +499,11 @@ endef
 $(xd-delta): $(release_archive_dir)/$(prev-tgz) $(distdir).tar.gz
 	xdelta delta -9 $^ $@ || :
 
-alpha: $(local-check)
+.PHONY: alpha beta major
+alpha beta major: $(local-check)
 	$(MAKE) cvs-dist
 	$(MAKE) $(xd-delta)
-	$(MAKE) -s announcement > /tmp/announce-$(my_distdir)
+	$(MAKE) -s announcement RELEASE_TYPE=$@ > /tmp/announce-$(my_distdir)
 	ln $(rel-files) $(release_archive_dir)
 	chmod a-w $(rel-files)
 	echo $(VERSION) > $(prev_version_file)

config/announce-gen

@@ -0,0 +1,334 @@
+#!/usr/bin/perl -w
+# Generate an announcement message.
+use strict;
+
+use Getopt::Long;
+use Digest::MD5;
+use Digest::SHA1;
+
+(my $VERSION = '$Revision$ ') =~ tr/[0-9].//cd;
+(my $ME = $0) =~ s|.*/||;
+
+my %valid_release_types = map {$_ => 1} qw (alpha beta major);
+
+END
+{
+  # Nobody ever checks the status of print()s.  That's okay, because
+  # if any do fail, we're guaranteed to get an indicator when we close()
+  # the filehandle.
+  #
+  # Close stdout now, and if there were no errors, return happy status.
+  # If stdout has already been closed by the script, though, do nothing.
+  defined fileno STDOUT
+    or return;
+  close STDOUT
+    and return;
+
+  # Errors closing stdout.  Indicate that, and hope stderr is OK.
+  warn "$ME: closing standard output: $!\n";
+
+  # Don't be so arrogant as to assume that we're the first END handler
+  # defined, and thus the last one invoked.  There may be others yet
+  # to come.  $? will be passed on to them, and to the final _exit().
+  #
+  # If it isn't already an error, make it one (and if it _is_ an error,
+  # preserve the value: it might be important).
+  $? ||= 1;
+}
+
+sub usage ($)
+{
+  my ($exit_code) = @_;
+  my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
+  if ($exit_code != 0)
+    {
+      print $STREAM "Try `$ME --help' for more information.\n";
+    }
+  else
+    {
+      my @types = sort keys %valid_release_types;
+      print $STREAM <<EOF;
+Usage: $ME [OPTIONS]
+
+OPTIONS:
+
+  Generate an announcement message.
+
+  FIXME: describe the following
+
+   --release-type=TYPE          TYPE must be one of @types
+   --package-name=PACKAGE_NAME
+   --previous-version=VER
+   --current-version=VER
+   --release-archive-directory=DIR
+   --url-directory=URL_DIR
+   --news=NEWS_FILE             optional
+
+   --help             display this help and exit
+   --version          output version information and exit
+
+EOF
+    }
+  exit $exit_code;
+}
+
+sub print_changelog_deltas ($$)
+{
+  my ($package_name, $prev_version) = @_;
+
+  # Print new ChangeLog entries.
+
+  # First find all CVS-controlled ChangeLog files.
+  use File::Find;
+  my @changelog;
+  find ({wanted => sub {$_ eq 'ChangeLog' && -d 'CVS'
+			  and push @changelog, $File::Find::name}},
+	'.');
+
+  # If there are no ChangeLog files, we're done.
+  @changelog
+    or return;
+  my %changelog = map {$_ => 1} @changelog;
+
+  # Reorder the list of files so that if there are ChangeLog
+  # files in the specified directories, they're listed first,
+  # in this order:
+  my @dir = qw ( . src lib m4 config doc );
+
+  # A typical @changelog array might look like this:
+  # ./ChangeLog
+  # ./po/ChangeLog
+  # ./m4/ChangeLog
+  # ./lib/ChangeLog
+  # ./doc/ChangeLog
+  # ./config/ChangeLog
+  my @reordered;
+  foreach my $d (@dir)
+    {
+      my $dot_slash = $d eq '.' ? $d : "./$d";
+      my $target = "$dot_slash/ChangeLog";
+      delete $changelog{$target}
+	and push @reordered, $target;
+    }
+
+  # Append any remaining ChangeLog files.
+  push @reordered, sort keys %changelog;
+
+  # Remove leading `./'.
+  @reordered = map { s!^\./!!; $_ } @reordered;
+
+  print "\nChangeLog entries:\n\n";
+  # print join ("\n", @reordered), "\n";
+
+  $prev_version =~ s/\./_/g;
+  my $prev_cvs_tag = "\U$package_name\E-$prev_version";
+
+  my $cmd = "cvs -n diff -u -r$prev_cvs_tag -rHEAD @reordered";
+  open DIFF, '-|', $cmd
+    or die "$ME: cannot run `$cmd': $!\n";
+  # Print two types of lines, making minor changes:
+  # Lines starting with `+++ ', e.g.,
+  # +++ ChangeLog   22 Feb 2003 16:52:51 -0000      1.247
+  # and those starting with `+'.
+  # Don't print the others.
+  my $prev_printed_line_empty = 1;
+  while (defined (my $line = <DIFF>))
+    {
+      if ($line =~ /^\+\+\+ /)
+	{
+	  my $separator = "*"x70 ."\n";
+	  $line =~ s///;
+	  $line =~ s/\s.*//;
+	  $prev_printed_line_empty
+	    or print "\n";
+	  print $separator, $line, $separator;
+	}
+      elsif ($line =~ /^\+/)
+	{
+	  $line =~ s///;
+	  print $line;
+	  $prev_printed_line_empty = ($line =~ /^$/);
+	}
+    }
+  close DIFF;
+
+  # The exit code should be 1.
+  # Allow in case there are no modified ChangeLog entries.
+  $? == 256 || $? == 128
+    or warn "$ME: warning: `cmd' had unexpected exit code or signal ($?)\n";
+}
+
+{
+  my $release_type;
+  my $package_name;
+  my $prev_version;
+  my $curr_version;
+  my $release_archive_dir;
+  my @url_dir_list;
+  my $news_file;
+
+  GetOptions
+    (
+     'release-type=s' => \$release_type,
+     'package-name=s' => \$package_name,
+     'previous-version=s' => \$prev_version,
+     'current-version=s' => \$curr_version,
+     'release-archive-directory=s' => \$release_archive_dir,
+     'url-directory=s@' => \@url_dir_list,
+     'news=s@' => \$news_file,
+
+     help => sub { usage 0 },
+     version => sub { print "$ME version $VERSION\n"; exit },
+    ) or usage 1;
+
+  my $fail = 0;
+  # Ensure that sure each required option is specified.
+  $release_type
+    or (warn "$ME: release type not specified\n"), $fail = 1;
+  $package_name
+    or (warn "$ME: package name not specified\n"), $fail = 1;
+  $prev_version
+    or (warn "$ME: previous version string not specified\n"), $fail = 1;
+  $curr_version
+    or (warn "$ME: current version string not specified\n"), $fail = 1;
+  $release_archive_dir
+    or (warn "$ME: release directory name not specified\n"), $fail = 1;
+  @url_dir_list
+    or (warn "$ME: URL directory name(s) not specified\n"), $fail = 1;
+
+  exists $valid_release_types{$release_type}
+    or (warn "$ME: `$release_type': invalid release type\n"), $fail = 1;
+
+  @ARGV
+    and (warn "$ME: too many arguments\n"), $fail = 1;
+  $fail
+    and usage 1;
+
+  my $my_distdir = "$package_name-$curr_version";
+  my $tgz = "$my_distdir.tar.gz";
+  my $tbz = "$my_distdir.tar.bz2";
+  my $xd = "$package_name-$prev_version-$curr_version.xdelta";
+
+  my %size;
+
+  foreach my $f (($tgz, $tbz, $xd))
+    {
+      my $cmd = "du --human $f";
+      my $t = `$cmd`;
+      # FIXME-someday: give a better diagnostic, a la $PROCESS_STATUS
+      $@
+	and (warn "$ME: command failed: `$cmd'\n"), $fail = 1;
+      chomp $t;
+      $t =~ s/^([\d.]+[MkK]).*/${1}B/;
+      $size{$f} = $t;
+    }
+
+  $fail
+    and exit 1;
+
+  print <<EOF;
+
+Subject: $my_distdir released
+
+<#secure method=pgpmime mode=sign>
+
+FIXME: put comments here
+
+EOF
+
+  print "Here are the compressed sources:\n";
+  foreach my $url (@url_dir_list)
+    {
+      print "  $url/$tgz   ($size{$tgz})\n";
+      print "  $url/$tbz  ($size{$tbz})\n";
+    }
+
+  print "\nAnd here are xdelta-style diffs:\n";
+  foreach my $url (@url_dir_list)
+    {
+      print "  $url/$xd   ($size{$xd})\n";
+    }
+
+  print "\nHere are GPG detached signatures:\n";
+  foreach my $url (@url_dir_list)
+    {
+      print "  $url/$tgz.asc\n";
+      print "  $url/$tbz.asc\n";
+    }
+
+  # FIXME: clean up upon interrupt or die
+  my $tmpdir = $ENV{TMPDIR} || '/tmp';
+  my $tmp = "$tmpdir/$ME-$$";
+  unlink $tmp;  # ignore failure
+
+  print "\nHere are the MD5 and SHA1 signatures:\n";
+  print "\n";
+  print "<#part type=text/plain filename=\"$tmp\" disposition=inline>\n"
+    . "<#/part>\n";
+
+  open OUT, '>', $tmp
+    or die "$ME: $tmp: cannot open for writing: $!\n";
+
+  foreach my $meth (qw (md5 sha1))
+    {
+      foreach my $f (($tgz, $tbz, $xd))
+	{
+	  open IN, '<', $f
+	    or die "$ME: $f: cannot open for reading: $!\n";
+	  binmode IN;
+	  my $dig =
+	    ($meth eq 'md5'
+	     ? Digest::MD5->new->addfile(*IN)->hexdigest
+	     : Digest::SHA1->new->addfile(*IN)->hexdigest);
+	  close IN;
+	  print OUT "$dig  $f\n";
+	}
+    }
+
+  close OUT
+    or die "$ME: $tmp: while writing: $!\n";
+  chmod 0400, $tmp;  # ignore failure
+
+  if ($news_file)
+    {
+      print "\nNEWS\n\n";
+
+      # Print all lines from $news_file, starting with the first one
+      # that mentions $curr_version up to but not including
+      # the first occurrence of $prev_version.
+      my $in_items;
+      open NEWS, '<', $news_file
+	or die "$ME: $news_file: cannot open for reading: $!\n";
+      while (defined (my $line = <NEWS>))
+	{
+	  if ( ! $in_items)
+	    {
+	      # Match lines like this one:
+	      # * Major changes in release 5.0.1:
+	      # but not any other line that starts with a space, *, or -.
+	      $line =~ /^(\* Major changes.*|[^ *-].*)\Q$curr_version\E/o
+		or next;
+	      $in_items = 1;
+	      print $line;
+	    }
+	  else
+	    {
+	      # Be careful that this regexp cannot match version numbers
+	      # in NEWS items -- they might well say `introduced in 4.5.5',
+	      # and we don't want that to match.
+	      $line =~ /^(\* Major changes.*|[^ *-].*)\Q$prev_version\E/o
+		and last;
+	      print $line;
+	    }
+	}
+      close NEWS;
+
+      $in_items
+	or die "$ME: $news_file: no matching lines for `$curr_version'\n";
+    }
+
+  $release_type eq 'major'
+    or print_changelog_deltas ($package_name, $prev_version);
+
+  exit 0;
+}

config/depcomp

@@ -172,19 +172,25 @@ sgi)
 
 aix)
   # The C for AIX Compiler uses -M and outputs the dependencies
-  # in a .u file.  This file always lives in the current directory.
-  # Also, the AIX compiler puts `$object:' at the start of each line;
-  # $object doesn't have directory information.
-  stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'`
+  # in a .u file.  In older versions, this file always lives in the
+  # current directory.  Also, the AIX compiler puts `$object:' at the
+  # start of each line; $object doesn't have directory information.
+  # Version 6 uses the directory in both cases.
+  stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
   tmpdepfile="$stripped.u"
-  outname="$stripped.o"
   if test "$libtool" = yes; then
     "$@" -Wc,-M
   else
     "$@" -M
   fi
-
   stat=$?
+
+  if test -f "$tmpdepfile"; then :
+  else
+    stripped=`echo "$stripped" | sed 's,^.*/,,'`
+    tmpdepfile="$stripped.u"
+  fi
+
   if test $stat -eq 0; then :
   else
     rm -f "$tmpdepfile"
@@ -192,6 +198,7 @@ aix)
   fi
 
   if test -f "$tmpdepfile"; then
+    outname="$stripped.o"
     # Each line is of the form `foo.o: dependent.h'.
     # Do two passes, one to just change these to
     # `$object: dependent.h' and one to simply `dependent.h:'.