diff --git a/top/maint.mk b/top/maint.mk
index 3177d57..df35568 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -1,22 +1,24 @@
# -*-Makefile-*-
-# This Makefile fragment is intended to be useful by any GNU-like project.
-# This file originate from coreutils, CPPI, Bison, and Autoconf.
-
-# Copyright (C) 2001-2009 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 .
+# This Makefile fragment is intended to be useful for any GNU-like project.
+# This file originates from coreutils, CPPI, Bison, and Autoconf.
+## Copyright (C) 2001-2009 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 .
+
+# This is reported not to work with make-3.79.1
+# ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
ME := maint.mk
MYSELF := $(srcdir)/$(ME)
@@ -34,76 +36,849 @@ gzip_rsyncable := \
$(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null && echo --rsyncable)
GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
+GIT = git
+VC = $(GIT)
+VC-tag = git tag -s -m '$(VERSION)'
+
+VC_LIST = $(srcdir)/build-aux/vc-list-files
+
+VC_LIST_EXCEPT = \
+ $(VC_LIST) | if test -f .x-$@; then grep -vEf .x-$@; else grep -v ChangeLog; fi
+
+ifeq ($(origin prev_version_file), undefined)
+ prev_version_file = $(srcdir)/.prev-version
+endif
+
+PREV_VERSION := $(shell cat $(prev_version_file))
+VERSION_REGEXP = $(subst .,\.,$(VERSION))
+PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION))
+
+ifeq ($(VC),$(GIT))
+this-vc-tag = v$(VERSION)
+this-vc-tag-regexp = v$(VERSION_REGEXP)
+else
+tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
+tag-this-version = $(subst .,_,$(VERSION))
+this-vc-tag = $(tag-package)-$(tag-this-version)
+this-vc-tag-regexp = $(this-vc-tag)
+endif
+my_distdir = $(PACKAGE)-$(VERSION)
+
+# Old releases are stored here.
+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
+## --------------- ##
+## Sanity checks. ##
+## --------------- ##
+
+# Collect the names of rules starting with `sc_'.
+syntax-check-rules := $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \
+ $(srcdir)/$(ME) $(srcdir)/cfg.mk)
+.PHONY: $(syntax-check-rules)
+
+local-checks-available = \
+ patch-check $(syntax-check-rules) \
+ makefile-check check-AUTHORS
+.PHONY: $(local-checks-available)
+
+# Arrange to print the name of each syntax-checking rule just before running it.
+$(syntax-check-rules): %: %.m
+$(patsubst %, %.m, $(syntax-check-rules)):
+ @echo $(patsubst sc_%.m, %, $@)
+
+local-check := $(filter-out $(local-checks-to-skip), $(local-checks-available))
+
+syntax-check: $(local-check)
+# @grep -nE '# *include <(limits|std(def|arg|bool))\.h>' \
+# $$(find -type f -name '*.[chly]') && \
+# { echo '$(ME): found conditional include' 1>&2; \
+# exit 1; } || :
+
+# grep -nE '^# *include <(string|stdlib)\.h>' \
+# $(srcdir)/{lib,src}/*.[chy] && \
+# { echo '$(ME): FIXME' 1>&2; \
+# exit 1; } || :
+# FIXME: don't allow `#include .strings\.h' anywhere
+
+# By default, _prohibit_regexp does not ignore case.
+export ignore_case =
+_ignore_case = $$(test -n "$$ignore_case" && echo -i || :)
+
+# There are many rules below that prohibit constructs in this package.
+# If the offending construct can be matched with a grep-E-style regexp,
+# use this macro. The shell variables "re" and "msg" must be defined.
+define _prohibit_regexp
+ dummy=; : so we do not need a semicolon before each use \
+ test "x$$re" != x || { echo '$(ME): re not defined' 1>&2; exit 1; }; \
+ test "x$$msg" != x || { echo '$(ME): msg not defined' 1>&2; exit 1; };\
+ grep $(_ignore_case) -nE "$$re" $$($(VC_LIST_EXCEPT)) && \
+ { echo '$(ME): '"$$msg" 1>&2; exit 1; } || :
+endef
+
+sc_avoid_if_before_free:
+ @$(srcdir)/build-aux/useless-if-before-free \
+ $(useless_free_options) \
+ $$($(VC_LIST_EXCEPT)) && \
+ { echo '$(ME): found useless "if" before "free" above' 1>&2; \
+ exit 1; } || :
+
# Casting arguments to free is never necessary.
sc_cast_of_argument_to_free:
- @grep -nE '\&2; \
- exit 1; } || :
+ @re='\' $(C_SOURCES) && \
- { echo '$(ME): don'\''t cast x*alloc return value' 1>&2; \
- exit 1; } || :
+ @re='\*\) *x(m|c|re)alloc\>' \
+ msg='don'\''t cast x*alloc return value' \
+ $(_prohibit_regexp)
sc_cast_of_alloca_return_value:
- @grep -nE '\*\) *alloca\>' $(C_SOURCES) && \
- { echo '$(ME): don'\''t cast alloca return value' 1>&2; \
- exit 1; } || :
+ @re='\*\) *alloca\>' msg='don'\''t cast alloca return value' \
+ $(_prohibit_regexp)
sc_space_tab:
- @grep -n '[ ] ' $(C_SOURCES) && \
- { echo '$(ME): found SPACE-TAB sequence; remove the SPACE' \
- 1>&2; exit 1; } || :
+ @re='[ ] ' msg='found SPACE-TAB sequence; remove the SPACE' \
+ $(_prohibit_regexp)
-# Don't use the old ato* functions in `real' code.
+# Don't use *scanf or the old ato* functions in `real' code.
# They provide no error checking mechanism.
# Instead, use strto* functions.
sc_prohibit_atoi_atof:
- @grep -nE '\' $(C_SOURCES) && \
- { echo '$(ME): do not use ato''f, ato''i, ato''l, ato''ll, or ato''q' \
+ @re='\<([fs]?scanf|ato([filq]|ll)) *\(' \
+ msg='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \
+ $(_prohibit_regexp)
+
+# Use STREQ rather than comparing strcmp == 0, or != 0.
+sc_prohibit_strcmp:
+ @grep -nE '! *str''cmp *\(|\&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 -nF 'error (EXIT_SUCCESS,' $(C_SOURCES) && \
- { echo '$(ME): found error (EXIT_SUCCESS' 1>&2; \
+ @grep -nE 'error \(EXIT_SUCCESS,' \
+ $$($(VC_LIST_EXCEPT) | grep -E '\.[chly]$$') && \
+ { echo '$(ME): found error (EXIT_SUCCESS' 1>&2; exit 1; } || :
+
+# `FATAL:' should be fully upper-cased in error messages
+# `WARNING:' should be fully upper-cased, or fully lower-cased
+sc_error_message_warn_fatal:
+ @grep -nEA2 '[^rp]error \(' $$($(VC_LIST_EXCEPT)) \
+ | grep -E '"Warning|"Fatal|"fatal' && \
+ { echo '$(ME): use FATAL, WARNING or warning' 1>&2; \
+ exit 1; } || :
+
+# Error messages should not start with a capital letter
+sc_error_message_uppercase:
+ @grep -nEA2 '[^rp]error \(' $$($(VC_LIST_EXCEPT)) \
+ | grep -E '"[A-Z]' \
+ | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' && \
+ { echo '$(ME): found capitalized error message' 1>&2; \
exit 1; } || :
-# Stylistic, use #ifdef instead of #if
-sc_no_if_have_config_h:
- @grep -n '^# *if HAVE_CONFIG_H' $(C_SOURCES) && \
- { echo '$(ME): found use of #if HAVE_CONFIG_H; use #ifdef' \
+# Error messages should not end with a period
+sc_error_message_period:
+ @grep -nEA2 '[^rp]error \(' $$($(VC_LIST_EXCEPT)) \
+ | grep -E '[^."]\."' && \
+ { echo '$(ME): found error message ending in period' 1>&2; \
+ exit 1; } || :
+
+sc_file_system:
+ @re=file''system ignore_case=1 \
+ msg='found use of "file''system"; spell it "file system"' \
+ $(_prohibit_regexp)
+
+# Don't use cpp tests of this symbol. All code assumes config.h is included.
+sc_prohibit_have_config_h:
+ @grep -n '^# *if.*HAVE''_CONFIG_H' $$($(VC_LIST_EXCEPT)) && \
+ { echo '$(ME): found use of HAVE''_CONFIG_H; remove' \
1>&2; exit 1; } || :
+# Nearly all .c files must include .
+sc_require_config_h:
+ @if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
+ grep -L '^# *include ' \
+ $$($(VC_LIST_EXCEPT) | grep '\.c$$') \
+ | grep . && \
+ { echo '$(ME): the above files do not include ' \
+ 1>&2; exit 1; } || :; \
+ else :; \
+ fi
+
+# You must include before including any other header file.
+sc_require_config_h_first:
+ @if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
+ fail=0; \
+ for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do \
+ grep '^# *include\>' $$i | sed 1q \
+ | grep '^# *include ' > /dev/null \
+ || { echo $$i; fail=1; }; \
+ done; \
+ test $$fail = 1 && \
+ { echo '$(ME): the above files include some other header' \
+ 'before ' 1>&2; exit 1; } || :; \
+ else :; \
+ fi
+
+sc_prohibit_HAVE_MBRTOWC:
+ @re='\bHAVE_MBRTOWC\b' msg="do not use $$re; it is always defined" \
+ $(_prohibit_regexp)
+
+# To use this "command" macro, you must first define two shell variables:
+# h: the header, enclosed in <> or ""
+# re: a regular expression that matches IFF something provided by $h is used.
+define _header_without_use
+ h_esc=`echo "$$h"|sed 's/\./\\./'`; \
+ if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
+ files=$$(grep -l '^# *include '"$$h_esc" \
+ $$($(VC_LIST_EXCEPT) | grep '\.c$$')) && \
+ grep -LE "$$re" $$files | grep . && \
+ { echo "$(ME): the above files include $$h but don't use it" \
+ 1>&2; exit 1; } || :; \
+ else :; \
+ fi
+endef
+
# Prohibit the inclusion of assert.h without an actual use of assert.
sc_prohibit_assert_without_use:
- @files=$$(grep -l '# *include [<"]assert\.h[>"]' $(C_SOURCES) \
- | grep '\.[cy]$$') && \
- grep -L '\ but don't use it" \
- 1>&2; exit 1; } || :
+ @h='' re='\' $(C_SOURCES) && \
- { echo '$(ME): do not use HAVE''_FCNTL_H or O''_NDELAY' \
- 1>&2; exit 1; } || :
+ @re='\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \
+ msg='do not use HAVE''_FCNTL_H or O'_NDELAY \
+ $(_prohibit_regexp)
+
+# FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
# Each nonempty line must start with a year number, or a TAB.
sc_changelog:
- @grep -n '^[^12 ]' $$(find . -name ChangeLog) && \
+ @grep -n '^[^12 ]' $$(find . -maxdepth 2 -name ChangeLog) && \
{ echo '$(ME): found unexpected prefix in a ChangeLog' 1>&2; \
exit 1; } || :
-# Collect the names of rules starting with `sc_'.
-syntax-check-rules := \
- $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' $(MYSELF))
-.PHONY: $(syntax-check-rules)
+# Ensure that each .c file containing a "main" function also
+# calls set_program_name.
+sc_program_name:
+ @if $(VC_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
+ files=$$(grep -l '^main *(' $$($(VC_LIST_EXCEPT) | grep '\.c$$')); \
+ grep -LE 'set_program_name *\(m?argv\[0\]\);' $$files \
+ | grep . && \
+ { echo '$(ME): the above files do not call set_program_name' \
+ 1>&2; exit 1; } || :; \
+ else :; \
+ fi
+
+# Require that the final line of each test-lib.sh-using test be this one:
+# Exit $fail
+# Note: this test requires GNU grep's --label= option.
+sc_require_test_exit_idiom:
+ @if test -f $(srcdir)/tests/test-lib.sh; then \
+ die=0; \
+ for i in $$(grep -l -F /../test-lib.sh $$($(VC_LIST) tests)); do \
+ tail -n1 $$i | grep '^Exit \$$fail$$' > /dev/null \
+ && : || { die=1; echo $$i; } \
+ done; \
+ test $$die = 1 && \
+ { echo 1>&2 '$(ME): the final line in each of the above is not:'; \
+ echo 1>&2 'Exit $$fail'; \
+ exit 1; } || :; \
+ fi
+
+sc_the_the:
+ @re='\' \
+ ignore_case=1 msg='found use of "the ''the";' \
+ $(_prohibit_regexp)
+
+sc_trailing_blank:
+ @re='[ ]$$' \
+ msg='found trailing blank(s)' \
+ $(_prohibit_regexp)
+
+# Match lines like the following, but where there is only one space
+# between the options and the description:
+# -D, --all-repeated[=delimit-method] print all duplicate lines\n
+longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)?
+sc_two_space_separator_in_usage:
+ @grep -nE '^ *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$' \
+ $$($(VC_LIST_EXCEPT)) && \
+ { echo "$(ME): help2man requires at least two spaces between"; \
+ echo "$(ME): an option and its description"; \
+ 1>&2; exit 1; } || :
+
+# Look for diagnostics that aren't marked for translation.
+# This won't find any for which error's format string is on a separate line.
+sc_unmarked_diagnostics:
+ @grep -nE \
+ '\&2; \
+ exit 1; } || :
+
+# Avoid useless parentheses like those in this example:
+# #if defined (SYMBOL) || defined (SYM2)
+sc_useless_cpp_parens:
+ @grep -n '^# *if .*defined *(' $$($(VC_LIST_EXCEPT)) && \
+ { echo '$(ME): found useless parentheses in cpp directive' \
+ 1>&2; exit 1; } || :
+
+# Require the latest GPL.
+sc_GPL_version:
+ @re='either ''version [^3]' msg='GPL vN, N!=3' \
+ $(_prohibit_regexp)
+
+cvs_keywords = \
+ Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State
+
+sc_prohibit_cvs_keyword:
+ @re='\$$($(cvs_keywords))\$$' \
+ msg='do not use CVS keyword expansion' \
+ $(_prohibit_regexp)
+
+# Make sure we don't use st_blocks. Use ST_NBLOCKS instead.
+# This is a bit of a kludge, since it prevents use of the string
+# even in comments, but for now it does the job with no false positives.
+sc_prohibit_stat_st_blocks:
+ @re='[.>]st_blocks' msg='do not use st_blocks; use ST_NBLOCKS' \
+ $(_prohibit_regexp)
+
+# Make sure we don't define any S_IS* macros in src/*.c files.
+# They're already defined via gnulib's sys/stat.h replacement.
+sc_prohibit_S_IS_definition:
+ @re='^ *# *define *S_IS' \
+ msg='do not define S_IS* macros; include ' \
+ $(_prohibit_regexp)
+
+# Each program that uses proper_name_utf8 must link with
+# one of the ICONV libraries.
+sc_proper_name_utf8_requires_ICONV:
+ @progs=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\
+ if test "x$$progs" != x; then \
+ fail=0; \
+ for p in $$progs; do \
+ dir=$$(dirname "$$p"); \
+ base=$$(basename "$$p" .c); \
+ grep "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null \
+ || { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \
+ done; \
+ test $$fail = 1 && \
+ { echo 1>&2 '$(ME): the above do not link with any ICONV library'; \
+ exit 1; } || :; \
+ fi
+
+# Warn about "c0nst struct Foo const foo[]",
+# but not about "char const *const foo" or "#define const const".
+sc_redundant_const:
+ @re='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b' \
+ msg='redundant "const" in declarations' \
+ $(_prohibit_regexp)
+
+sc_const_long_option:
+ @grep '^ *static.*struct option ' $$($(VC_LIST_EXCEPT)) \
+ | grep -Ev 'const struct option|struct option const' && { \
+ echo 1>&2 '$(ME): add "const" to the above declarations'; \
+ exit 1; } || :
+
+NEWS_hash = \
+ $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p' \
+ $(srcdir)/NEWS \
+ | grep -v '^Copyright .*Free Software' \
+ | md5sum - \
+ | sed 's/ .*//')
+
+# Ensure that we don't accidentally insert an entry into an old NEWS block.
+sc_immutable_NEWS:
+ @if test -f $(srcdir)/NEWS; then \
+ test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : || \
+ { echo '$(ME): you have modified old NEWS' 1>&2; exit 1; }; \
+ fi
+
+# Update the hash stored above. Do this after each release and
+# for any corrections to old entries.
+update-NEWS-hash: NEWS
+ perl -pi -e 's/^(old_NEWS_hash = ).*/$${1}'"$(NEWS_hash)/" \
+ $(srcdir)/cfg.mk
+
+epoch_date = 1970-01-01 00:00:00.000000000 +0000
+# Ensure that the c99-to-c89 patch applies cleanly.
+patch-check:
+ rm -rf src-c89 address@hidden address@hidden
+ cp -a $(srcdir)/src src-c89
+ if test "x$(srcdir)" != x.; then \
+ cp -a src/* src-c89; \
+ dotfiles=`ls src/.[!.]* 2>/dev/null`; \
+ test -z "$$dotfiles" || cp -a src/.[!.]* src-c89; \
+ fi
+ (cd src-c89; patch -p1 -V never --fuzz=0) < $(srcdir)/src/c99-to-c89.diff \
+ > address@hidden 2>&1
+ if test "$(REGEN_PATCH)" = yes; then \
+ diff -upr $(srcdir)/src src-c89 | sed 's,$(srcdir)/src-c89/,src/,' \
+ | grep -vE '^(Only in|File )' \
+ | perl -pe 's/^((?:\+\+\+|---) \S+\t).*/$${1}$(epoch_date)/;' \
+ -e 's/^ $$//' \
+ > new-diff || : ; fi
+ grep -v '^patching file ' address@hidden > address@hidden || :
+ msg=ok; test -s address@hidden && msg='fuzzy patch' || : ; \
+ rm -f src-c89/*.o || msg='rm failed'; \
+ $(MAKE) -C src-c89 CFLAGS='-Wdeclaration-after-statement -Werror' \
+ || msg='compile failure with extra options'; \
+ test "$$msg" = ok && rm -rf src-c89 address@hidden address@hidden || echo "$$msg" 1>&2; \
+ test "$$msg" = ok
+
+check-AUTHORS:
+ $(MAKE) -C src $@
+
+# 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.
+# We use perl rather than "grep -nE ..." to exempt a single
+# use of an @address@hidden variable name in src/Makefile.am.
+makefile-check:
+ @perl -ne '/address@hidden@/ && !/^cu_install_program =/' \
+ -e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}' \
+ $$($(VC_LIST_EXCEPT) | grep -E '(^|/)Makefile\.am$$') \
+ && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
+
+news-date-check: NEWS
+ today=`date +%Y-%m-%d`; \
+ if head NEWS | grep '^\*.* $(VERSION_REGEXP) ('$$today')' \
+ >/dev/null; then \
+ :; \
+ else \
+ echo "version or today's date is not in NEWS" 1>&2; \
+ exit 1; \
+ fi
+
+changelog-check:
+ if head ChangeLog | grep 'Version $(VERSION_REGEXP)\.$$' \
+ >/dev/null; then \
+ :; \
+ else \
+ echo "$(VERSION) not in ChangeLog" 1>&2; \
+ exit 1; \
+ fi
+
+sc_makefile_TAB_only_indentation:
+ @grep -nE '^ [ ]{8}' \
+ $$($(VC_LIST_EXCEPT) | grep -E 'akefile|\.mk$$') \
+ && { echo '$(ME): found TAB-8-space indentation' 1>&2; \
+ exit 1; } || :
+
+sc_m4_quote_check:
+ @grep -nE '(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]' \
+ $$($(VC_LIST_EXCEPT) | grep -E '(^configure\.ac|\.m4)$$') \
+ && { echo '$(ME): quote the first arg to AC_DEF*' 1>&2; \
+ exit 1; } || :
+
+fix_po_file_diag = \
+'you have changed the set of files with translatable diagnostics;\n\
+apply the above patch\n'
+
+# Verify that all source files using _() are listed in po/POTFILES.in.
+po_file = po/POTFILES.in
+sc_po_check:
+ @if test -f $(po_file); then \
+ grep -E -v '^(#|$$)' $(po_file) \
+ | grep -v '^src/false\.c$$' | sort > address@hidden; \
+ files=; \
+ for file in $$($(VC_LIST_EXCEPT)) lib/*.[ch]; do \
+ case $$file in \
+ *.?|*.??) ;; \
+ *) continue;; \
+ esac; \
+ case $$file in \
+ *.[ch]) \
+ base=`expr " $$file" : ' \(.*\)\..'`; \
+ { test -f $$base.l || test -f $$base.y; } && continue;; \
+ esac; \
+ files="$$files $$file"; \
+ done; \
+ grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files \
+ | sort -u > address@hidden; \
+ diff -u -L $(po_file) -L $(po_file) address@hidden address@hidden \
+ || { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; }; \
+ rm -f address@hidden address@hidden; \
+ fi
+
+# Sometimes it is useful to change the PATH environment variable
+# in Makefiles. When doing so, it's better not to use the Unix-centric
+# path separator of `:', but rather the automake-provided `$(PATH_SEPARATOR)'.
+msg = '$(ME): Do not use `:'\'' above; use $$(PATH_SEPARATOR) instead'
+sc_makefile_path_separator_check:
+ @grep -nE 'PATH[=].*:' \
+ $$($(VC_LIST_EXCEPT) | grep -E 'akefile|\.mk$$') \
+ && { echo $(msg) 1>&2; exit 1; } || :
+
+# Check that `make alpha' will not fail at the end of the process.
+writable-files:
+ if test -d $(release_archive_dir); then :; else \
+ for file in $(distdir).tar.gz \
+ $(release_archive_dir)/$(distdir).tar.gz; do \
+ test -e $$file || continue; \
+ test -w $$file \
+ || { echo ERROR: $$file is not writable; fail=1; }; \
+ done; \
+ test "$$fail" && exit 1 || : ; \
+ fi
+
+v_etc_file = lib/version-etc.c
+sample-test = tests/sample-test
+texi = doc/$(PACKAGE).texi
+# Make sure that the copyright date in $(v_etc_file) is up to date.
+# Do the same for the $(sample-test) and the main doc/.texi file.
+sc_copyright_check:
+ @if test -f $(v_etc_file); then \
+ grep 'enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' $(v_etc_file) \
+ >/dev/null \
+ || { echo 'out of date copyright in $(v_etc_file); update it' 1>&2; \
+ exit 1; }; \
+ fi
+ @if test -f $(sample-test); then \
+ grep '# Copyright (C) '$$(date +%Y)' Free' $(sample-test) \
+ >/dev/null \
+ || { echo 'out of date copyright in $(sample-test); update it' 1>&2; \
+ exit 1; }; \
+ fi
+ @if test -f $(texi); then \
+ grep 'Copyright @copyright{} .*'$$(date +%Y)' Free' $(texi) \
+ >/dev/null \
+ || { echo 'out of date copyright in $(texi); update it' 1>&2; \
+ exit 1; }; \
+ fi
+
+vc-diff-check:
+ $(VC) diff > vc-diffs || :
+ if test -s vc-diffs; then \
+ cat vc-diffs; \
+ echo "Some files are locally modified:" 1>&2; \
+ exit 1; \
+ else \
+ rm vc-diffs; \
+ fi
+
+cvs-check: vc-diff-check
+
+maintainer-distcheck:
+ $(MAKE) distcheck
+ $(MAKE) taint-distcheck
+ $(MAKE) my-distcheck
+
+
+# Don't make a distribution if checks fail.
+# Also, make sure the NEWS file is up-to-date.
+vc-dist: $(local-check) cvs-check maintainer-distcheck
+ XZ_OPT=-9ev $(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
+
+built_programs = $$(cd src && MAKEFLAGS= $(MAKE) -s built_programs.list)
+
+warn_cflags = -Dlint -O -Werror -Wall -Wformat -Wshadow -Wpointer-arith
+bin=bin-$$$$
+
+write_loser = printf '\#!%s\necho $$0: bad path 1>&2; exit 1\n' '$(SHELL)'
+
+TMPDIR ?= /tmp
+t=$(TMPDIR)/$(PACKAGE)/test
+pfx=$(t)/i
+
+# More than once, tainted build and source directory names would
+# have caused at least one "make check" test to apply "chmod 700"
+# to all directories under $HOME. Make sure it doesn't happen again.
+tp := $(shell echo "$(TMPDIR)/$(PACKAGE)-$$$$")
+t_prefix = $(tp)/a
+t_taint = '$(t_prefix) b'
+fake_home = $(tp)/home
+
+# Ensure that tests run from tainted build and src dir names work,
+# and don't affect anything in $HOME. Create witness files in $HOME,
+# record their attributes, and build/test. Then ensure that the
+# witnesses were not affected.
+taint-distcheck: $(DIST_ARCHIVES)
+ test -d $(t_taint) && chmod -R 700 $(t_taint) || :
+ -rm -rf $(t_taint) $(fake_home)
+ mkdir -p $(t_prefix) $(t_taint) $(fake_home)
+ GZIP=$(GZIP_ENV) $(AMTAR) -C $(t_taint) -zxf $(distdir).tar.gz
+ mkfifo $(fake_home)/fifo
+ touch $(fake_home)/f
+ mkdir -p $(fake_home)/d/e
+ ls -lR $(fake_home) $(t_prefix) > $(tp)/.ls-before
+ cd $(t_taint)/$(distdir) \
+ && ./configure \
+ && $(MAKE) \
+ && HOME=$(fake_home) $(MAKE) check \
+ && ls -lR $(fake_home) $(t_prefix) > $(tp)/.ls-after \
+ && diff $(tp)/.ls-before $(tp)/.ls-after \
+ && test -d $(t_prefix)
+ rm -rf $(tp)
+
+# Verify that a twisted use of --program-transform-name=PROGRAM works.
+define install-transform-check
+ echo running install-transform-check \
+ && rm -rf $(pfx) \
+ && $(MAKE) program_transform_name='s/.*/zyx/' \
+ prefix=$(pfx) install \
+ && test "$$(echo $(pfx)/bin/*)" = "$(pfx)/bin/zyx" \
+ && test "$$(find $(pfx)/share/man -type f|sed 's,.*/,,;s,\..*,,')" = "zyx"
+endef
+
+# Install, then verify that all binaries and man pages are in place.
+# Note that neither the binary, ginstall, nor the ].1 man page is installed.
+define my-instcheck
+ $(MAKE) prefix=$(pfx) install \
+ && test ! -f $(pfx)/bin/ginstall \
+ && { fail=0; \
+ for i in $(built_programs); do \
+ test "$$i" = ginstall && i=install; \
+ for j in "$(pfx)/bin/$$i" \
+ "$(pfx)/share/man/man1/$$i.1"; do \
+ case $$j in *'[.1') continue;; esac; \
+ test -f "$$j" && : \
+ || { echo "$$j not installed"; fail=1; }; \
+ done; \
+ done; \
+ test $$fail = 1 && exit 1 || :; \
+ }
+endef
+
+define coreutils-path-check
+ { \
+ if test -f $(srcdir)/src/true.c; then \
+ fail=1; \
+ mkdir $(bin) \
+ && ($(write_loser)) > $(bin)/loser \
+ && chmod a+x $(bin)/loser \
+ && for i in $(built_programs); do \
+ case $$i in \
+ rm|expr|basename|echo|sort|ls|tr);; \
+ cat|dirname|mv|wc);; \
+ *) ln $(bin)/loser $(bin)/$$i;; \
+ esac; \
+ done \
+ && ln -sf ../src/true $(bin)/false \
+ && PATH=`pwd`/$(bin)$(PATH_SEPARATOR)$$PATH \
+ $(MAKE) -C tests check \
+ && { test -d gnulib-tests \
+ && $(MAKE) -C gnulib-tests check \
+ || :; } \
+ && rm -rf $(bin) \
+ && fail=0; \
+ else \
+ fail=0; \
+ fi; \
+ test $$fail = 1 && exit 1 || :; \
+ }
+endef
+
+# Use -Wformat -Werror to detect format-string/arg-list mismatches.
+# Also, check for shadowing problems with -Wshadow, and for pointer
+# arithmetic problems with -Wpointer-arith.
+# These CFLAGS are pretty strict. If you build this target, you probably
+# have to have a recent version of gcc and glibc headers.
+# The hard-linking for-loop below ensures that there is a bin/ directory
+# full of all of the programs under test (except the ones that are required
+# for basic Makefile rules), all symlinked to the just-built "false" program.
+# This is to ensure that if ever a test neglects to make PATH include
+# the build srcdir, these always-failing programs will run.
+# Otherwise, it is too easy to test the wrong programs.
+# Note that "false" itself is a symlink to true, so it too will malfunction.
+my-distcheck: $(DIST_ARCHIVES) $(local-check)
+ $(MAKE) syntax-check
+ $(MAKE) check
+ -rm -rf $(t)
+ mkdir -p $(t)
+ GZIP=$(GZIP_ENV) $(AMTAR) -C $(t) -zxf $(distdir).tar.gz
+ cd $(t)/$(distdir) \
+ && ./configure --disable-nls \
+ && $(MAKE) CFLAGS='$(warn_cflags)' \
+ AM_MAKEFLAGS='$(null_AM_MAKEFLAGS)' \
+ && $(MAKE) dvi \
+ && $(install-transform-check) \
+ && $(my-instcheck) \
+ && $(coreutils-path-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
+
+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 < $$tarz
+
+rel-files = $(DIST_ARCHIVES)
+
+gnulib-version = $$(cd $(gnulib_dir) && git describe)
+
+announcement: NEWS ChangeLog $(rel-files)
+ @./build-aux/announce-gen \
+ --release-type=$(RELEASE_TYPE) \
+ --package=$(PACKAGE) \
+ --prev=$(PREV_VERSION) \
+ --curr=$(VERSION) \
+ --gpg-key-id=$(gpg_key_ID) \
+ --news=NEWS \
+ --bootstrap-tools=autoconf,automake,bison,gnulib \
+ --gnulib-version=$(gnulib-version) \
+ --no-print-checksums \
+ $(addprefix --url-dir=, $(url_dir_list))
+
+## ---------------- ##
+## Updating files. ##
+## ---------------- ##
+
+ftp-gnu = ftp://ftp.gnu.org/gnu
+www-gnu = http://www.gnu.org
+
+# Use mv, if you don't have/want move-if-change.
+move_if_change ?= move-if-change
+
+emit_upload_commands:
+ @echo =====================================
+ @echo =====================================
+ @echo "$(srcdir)/build-aux/gnupload $(GNUPLOADFLAGS) \\"
+ @echo " --to $(gnu_rel_host):$(PACKAGE) \\"
+ @echo " $(rel-files)"
+ @echo '# send the /tmp/announcement e-mail'
+ @echo =====================================
+ @echo =====================================
+
+noteworthy = * Noteworthy changes in release ?.? (????-??-??) [?]
+define emit-commit-log
+ printf '%s\n' 'post-release administrivia' '' \
+ '* NEWS: Add header line for next release.' \
+ '* .prev-version: Record previous version.' \
+ '* cfg.mk (old_NEWS_hash): Auto-update.'
+endef
+
+.PHONY: alpha beta major
+alpha beta major: $(local-check) writable-files
+ test $@ = major \
+ && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$' \
+ || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\
+ || :
+ $(MAKE) vc-dist
+ $(MAKE) news-date-check
+ $(MAKE) -s announcement RELEASE_TYPE=$@ > /tmp/announce-$(my_distdir)
+ if test -d $(release_archive_dir); then \
+ ln $(rel-files) $(release_archive_dir); \
+ chmod a-w $(rel-files); \
+ fi
+ $(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
+ echo $(VERSION) > $(prev_version_file)
+ $(MAKE) update-NEWS-hash
+ perl -pi -e '$$. == 3 and print "$(noteworthy)\n\n\n"' NEWS
+ $(emit-commit-log) > .ci-msg
+ $(VC) commit -F .ci-msg -a
syntax-check: $(syntax-check-rules)
@@ -147,3 +922,13 @@ INDENT_SOURCES ?= $(C_SOURCES)
.PHONY: indent
indent:
indent $(INDENT_SOURCES)
+
+.PHONY: web-manual
+web-manual:
+ @test -z "$(manual_title)" \
+ && { echo define manual_title in cfg.mk 1>&2; exit 1; } || :
+ @cd '$(srcdir)/doc'; \
+ $(SHELL) ../build-aux/gendocs.sh -o '$(abs_builddir)/doc/manual' \
+ --email $(PACKAGE_BUGREPORT) $(PACKAGE) \
+ "$(PACKAGE_NAME) - $(manual_title)"
+ @echo " *** Upload the doc/manual directory to web-cvs."