[Libvir] 2/8 Add framework for code style- and syntax-checking rules.
Jim Meyering
jim at meyering.net
Fri Jan 25 22:17:44 UTC 2008
Add framework for code style- and syntax-checking rules.
Almost all tests are initially disabled via the list in Makefile.cfg.
* Makefile.am (EXTRA_DIST): Add .x-sc_avoid_if_before_free.
Omit names of files that automake includes automatically.
* .x-sc_avoid_if_before_free: New file.
* build-aux/vc-list-files: Likewise.
* build-aux/find-unnecessary-if-before-free: Likewise.
* GNUmakefile, Makefile.cfg, Makefile.maint: New files.
Signed-off-by: Jim Meyering <meyering at redhat.com>
---
.x-sc_avoid_if_before_free | 4 +
GNUmakefile | 58 ++++
Makefile.am | 8 +-
Makefile.cfg | 62 ++++
Makefile.maint | 510 +++++++++++++++++++++++++++++
build-aux/find-unnecessary-if-before-free | 41 +++
build-aux/vc-list-files | 50 +++
7 files changed, 730 insertions(+), 3 deletions(-)
create mode 100644 .x-sc_avoid_if_before_free
create mode 100644 GNUmakefile
create mode 100644 Makefile.cfg
create mode 100644 Makefile.maint
create mode 100755 build-aux/find-unnecessary-if-before-free
create mode 100755 build-aux/vc-list-files
diff --git a/.x-sc_avoid_if_before_free b/.x-sc_avoid_if_before_free
new file mode 100644
index 0000000..627dcdf
--- /dev/null
+++ b/.x-sc_avoid_if_before_free
@@ -0,0 +1,4 @@
+^gnulib/lib/getaddrinfo\.c$
+^gnulib/lib/printf-parse\.c$
+^gnulib/lib/vasnprintf\.c$
+^build-aux/find-unnecessary-if-before-free$
diff --git a/GNUmakefile b/GNUmakefile
new file mode 100644
index 0000000..9eefe40
--- /dev/null
+++ b/GNUmakefile
@@ -0,0 +1,58 @@
+# Having a separate GNUmakefile lets me `include' the dynamically
+# generated rules created via Makefile.maint as well as Makefile.maint itself.
+# 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, 2006-2007 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
+
+have-Makefile := $(shell test -f Makefile && echo yes)
+
+# If the user runs GNU make but has not yet run ./configure,
+# give them a diagnostic.
+ifeq ($(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
+
+all:
+ @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. This is necessary in case someone tries to
+# build multiple targets on one command line.
+.NOTPARALLEL:
diff --git a/Makefile.am b/Makefile.am
index 34a1eb5..5154203 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,9 +5,11 @@ SUBDIRS = gnulib/lib include src qemud proxy docs gnulib/tests \
ACLOCAL_AMFLAGS = -I m4 -I gnulib/m4
-EXTRA_DIST = libvirt.spec.in libvirt.spec COPYING.LIB \
- libvirt.pc.in libvirt.pc TODO AUTHORS ChangeLog \
- NEWS README $(man_MANS) autobuild.sh
+EXTRA_DIST = \
+ libvirt.spec libvirt.spec.in \
+ libvirt.pc libvirt.pc.in \
+ $(man_MANS) autobuild.sh \
+ .x-sc_avoid_if_before_free
man_MANS = virsh.1
diff --git a/Makefile.cfg b/Makefile.cfg
new file mode 100644
index 0000000..f1194d1
--- /dev/null
+++ b/Makefile.cfg
@@ -0,0 +1,62 @@
+# Customize Makefile.maint. -*- makefile -*-
+# Copyright (C) 2003-2007 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/>.
+
+# Use alpha.gnu.org for alpha and beta releases.
+# Use ftp.gnu.org for major releases.
+gnu_ftp_host-alpha = alpha.gnu.org
+gnu_ftp_host-beta = alpha.gnu.org
+gnu_ftp_host-major = ftp.gnu.org
+gnu_rel_host = $(gnu_ftp_host-$(RELEASE_TYPE))
+
+url_dir_list = \
+ ftp://$(gnu_rel_host)/gnu/coreutils
+
+# Tests not to run as part of "make distcheck".
+local-checks-to-skip = \
+ po-check \
+ makefile_path_separator_check \
+ makefile-check \
+ sc_no_have_config_h \
+ sc_unmarked_diagnostics \
+ sc_tight_scope \
+ sc_trailing_blank \
+ sc_GPL_version \
+ sc_always_defined_macros \
+ sc_cast_of_alloca_return_value \
+ sc_cast_of_argument_to_free \
+ sc_cast_of_x_alloc_return_value \
+ sc_changelog \
+ sc_dd_max_sym_length \
+ sc_error_exit_success \
+ sc_file_system \
+ sc_obsolete_symbols \
+ sc_prohibit_assert_without_use \
+ sc_prohibit_atoi_atof \
+ sc_prohibit_jm_in_m4 \
+ sc_prohibit_quote_without_use \
+ sc_prohibit_quotearg_without_use \
+ sc_prohibit_strcmp \
+ sc_require_config_h \
+ sc_root_tests \
+ sc_space_tab \
+ sc_sun_os_names \
+ sc_system_h_headers \
+ sc_the_the \
+ sc_two_space_separator_in_usage \
+ sc_useless_cpp_parens \
+ patch-check \
+ check-AUTHORS \
+ changelog-check
diff --git a/Makefile.maint b/Makefile.maint
new file mode 100644
index 0000000..0336f13
--- /dev/null
+++ b/Makefile.maint
@@ -0,0 +1,510 @@
+# 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.
+# Use --rsyncable if available.
+gzip_rsyncable := \
+ $(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null && echo --rsyncable)
+GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
+
+CVS_LIST = build-aux/vc-list-files
+
+CVS_LIST_EXCEPT = \
+$(CVS_LIST) | if test -f .x-$@; then grep -vEf .x-$@; else grep -v ChangeLog; fi
+
+# 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
+
+# Collect the names of rules starting with `sc_'.
+syntax-check-rules := $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' $(ME))
+.PHONY: $(syntax-check-rules)
+
+# Checks that don't require cvs.
+# Run `changelog-check' last, as previous test may reveal problems requiring
+# new ChangeLog entries.
+local-checks-available = \
+ po-check copyright-check m4-check author_mark_check \
+ changelog-check patch-check strftime-check $(syntax-check-rules) \
+ makefile_path_separator_check \
+ makefile-check check-AUTHORS
+.PHONY: $(local-checks-available)
+
+local-check := $(filter-out $(local-checks-to-skip), $(local-checks-available))
+
+syntax-check: $(local-check)
+
+## --------------- ##
+## Sanity checks. ##
+## --------------- ##
+
+sc_avoid_if_before_free:
+ @$(srcdir)/build-aux/find-unnecessary-if-before-free \
+ $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): found useless "if" before "free" above' 1>&2; \
+ exit 1; } || :
+
+sc_cast_of_argument_to_free:
+ @grep -nE '\<free \(\(' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): don'\''t cast free argument' 1>&2; \
+ exit 1; } || :
+
+sc_cast_of_x_alloc_return_value:
+ @grep -nE '\*\) *x(m|c|re)alloc\>' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): don'\''t cast x*alloc return value' 1>&2; \
+ exit 1; } || :
+
+sc_cast_of_alloca_return_value:
+ @grep -nE '\*\) *alloca\>' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): don'\''t cast alloca return value' 1>&2; \
+ exit 1; } || :
+
+sc_space_tab:
+ @grep -n '[ ] ' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): found SPACE-TAB sequence; remove the SPACE' \
+ 1>&2; exit 1; } || :
+
+# 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 '\<([fs]?scanf|ato([filq]|ll))\>' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): do not use *scan''f, ato''f, ato''i, ato''l, ato''ll, ato''q, or ss''canf' \
+ 1>&2; exit 1; } || :
+
+# Use STREQ rather than comparing strcmp == 0, or != 0.
+sc_prohibit_strcmp:
+ @grep -nE '! *str''cmp \(|\<str''cmp \([^)]+\) *==' \
+ $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): use STREQ in place of the above uses of str''cmp' \
+ 1>&2; exit 1; } || :
+
+# Using EXIT_SUCCESS as the first argument to error is misleading,
+# since when that parameter is 0, error does not exit. Use `0' instead.
+sc_error_exit_success:
+ @grep -nF 'error (EXIT_SUCCESS,' \
+ $$(find -type f -name '*.[chly]') && \
+ { echo '$(ME): found error (EXIT_SUCCESS' 1>&2; \
+ exit 1; } || :
+
+sc_file_system:
+ @grep -ni 'file''system' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): found use of "file''system";' \
+ 'rewrite to use "file system"' 1>&2; \
+ exit 1; } || :
+
+sc_no_have_config_h:
+ @grep -n 'HAVE''_CONFIG_H' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): found use of HAVE''_CONFIG_H; remove' \
+ 1>&2; exit 1; } || :
+
+# Nearly all .c files must include <config.h>.
+sc_require_config_h:
+ @if $(CVS_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
+ grep -L '^# *include <config\.h>' \
+ $$($(CVS_LIST_EXCEPT) | grep '\.c$$') \
+ | grep . && \
+ { echo '$(ME): the above files do not include <config.h>' \
+ 1>&2; exit 1; } || :; \
+ else :; \
+ fi
+
+# Prohibit the inclusion of assert.h without an actual use of assert.
+sc_prohibit_assert_without_use:
+ @if $(CVS_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
+ files=$$(grep -l '# *include <assert\.h>' \
+ $$($(CVS_LIST_EXCEPT) | grep '\.c$$')) && \
+ grep -L '\<assert (' $$files \
+ | grep . && \
+ { echo "$(ME): the above files include <assert.h> but don't use it" \
+ 1>&2; exit 1; } || :; \
+ else :; \
+ fi
+
+# Don't include quotearg.h unless you use one of its functions.
+sc_prohibit_quotearg_without_use:
+ @if $(CVS_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
+ files=$$(grep -l '# *include "quotearg\.h"' \
+ $$($(CVS_LIST_EXCEPT) | grep '\.c$$')) && \
+ grep -LE '\<quotearg(_[^ ]+)? \(' $$files \
+ | grep . && \
+ { echo "$(ME): the above files include "quotearg.h" but don't use it" \
+ 1>&2; exit 1; } || :; \
+ else :; \
+ fi
+
+# Don't include quote.h unless you use one of its functions.
+sc_prohibit_quote_without_use:
+ @if $(CVS_LIST_EXCEPT) | grep '\.c$$' > /dev/null; then \
+ files=$$(grep -l '# *include "quote\.h"' \
+ $$($(CVS_LIST_EXCEPT) | grep '\.c$$')) && \
+ grep -LE '\<quote(_n)? \(' $$files \
+ | grep . && \
+ { echo "$(ME): the above files include "quote.h" but don't use it" \
+ 1>&2; exit 1; } || :; \
+ else :; \
+ fi
+
+sc_obsolete_symbols:
+ @grep -nE '\<(HAVE''_FCNTL_H|O''_NDELAY)\>' \
+ $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): do not use HAVE''_FCNTL_H or O''_NDELAY' \
+ 1>&2; exit 1; } || :
+
+# 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 ]' $$(find . -maxdepth 2 -name ChangeLog) && \
+ { echo '$(ME): found unexpected prefix in a ChangeLog' 1>&2; \
+ exit 1; } || :
+
+# Ensure that dd's definition of LONGEST_SYMBOL stays in sync
+# with the strings from the two affected variables.
+dd_c = $(srcdir)/src/dd.c
+sc_dd_max_sym_length:
+ifneq ($(wildcard $(dd_c)),)
+ @len=$$( (sed -n '/conversions\[\] =$$/,/^};/p' $(dd_c);\
+ sed -n '/flags\[\] =$$/,/^};/p' $(dd_c) ) \
+ |sed -n '/"/s/^[^"]*"\([^"]*\)".*/\1/p' \
+ | wc --max-line-length); \
+ max=$$(sed -n '/^#define LONGEST_SYMBOL /s///p' $(dd_c) \
+ |tr -d '"' | wc --max-line-length); \
+ if test "$$len" = "$$max"; then :; else \
+ echo 'dd.c: LONGEST_SYMBOL is not longest' 1>&2; \
+ exit 1; \
+ fi
+endif
+
+# Many m4 macros names once began with `jm_'.
+# On 2004-04-13, they were all changed to start with gl_ instead.
+# Make sure that none are inadvertently reintroduced.
+sc_prohibit_jm_in_m4:
+ @grep -nE 'jm_[A-Z]' \
+ $$($(CVS_LIST) m4 |grep '\.m4$$'; echo /dev/null) && \
+ { echo '$(ME): do not use jm_ in m4 macro names' \
+ 1>&2; exit 1; } || :
+
+sc_root_tests:
+ @if test -d tests \
+ && grep check-root tests/Makefile.am>/dev/null 2>&1; then \
+ t1=sc-root.expected; t2=sc-root.actual; \
+ grep -nl '^PRIV_CHECK_ARG=require-root' \
+ $$($(CVS_LIST) tests) |sed s,tests,., |sort > $$t1; \
+ sed -n 's, cd \([^ ]*\) .*MAKE..check TESTS=\(.*\),./\1/\2,p' \
+ $(srcdir)/tests/Makefile.am |sort > $$t2; \
+ diff -u $$t1 $$t2 || diff=1; \
+ rm -f $$t1 $$t2; \
+ test "$$diff" \
+ && { echo 'tests/Makefile.am: missing check-root action'>&2; \
+ exit 1; } || :; \
+ fi
+
+headers_with_interesting_macro_defs = \
+ exit.h \
+ fcntl_.h \
+ fnmatch_.h \
+ intprops.h \
+ inttypes_.h \
+ lchown.h \
+ openat.h \
+ stat-macros.h \
+ stdint_.h
+
+# Create a list of regular expressions matching the names
+# of macros that are guaranteed by parts of gnulib to be defined.
+.re-defmac:
+ @(cd $(srcdir)/lib; \
+ for f in $(headers_with_interesting_macro_defs); do \
+ test -f $$f && \
+ sed -n '/^# *define \([^_ (][^ (]*\)[ (].*/s//\1/p' $$f; \
+ done; \
+ ) | sort -u \
+ | grep -Ev 'ATTRIBUTE_NORETURN|SIZE_MAX' \
+ | sed 's/^/^# *define /' \
+ > $@-t
+ @mv $@-t $@
+
+# Don't define macros that we already get from gnulib header files.
+sc_always_defined_macros: .re-defmac
+ @if test -f $(srcdir)/src/system.h; then \
+ trap 'rc=$$?; rm -f .re-defmac; exit $$rc' 0 1 2 3 15; \
+ grep -f .re-defmac $$($(CVS_LIST)) \
+ && { echo '$(ME): define the above via some gnulib .h file' \
+ 1>&2; exit 1; } || :; \
+ fi
+
+# Create a list of regular expressions matching the names
+# of files included from system.h. Exclude a couple.
+.re-list:
+ @sed -n '/^# *include /s///p' $(srcdir)/src/system.h \
+ | grep -Ev 'sys/(param|file)\.h' \
+ | sed 's/ .*//;;s/^["<]/^# *include [<"]/;s/\.h[">]$$/\\.h[">]/' \
+ > $@-t
+ @mv $@-t $@
+
+# Files in src/ should not include directly any of
+# the headers already included via system.h.
+sc_system_h_headers: .re-list
+ @if test -f $(srcdir)/src/system.h; then \
+ trap 'rc=$$?; rm -f .re-list; exit $$rc' 0 1 2 3 15; \
+ grep -nE -f .re-list \
+ $$($(CVS_LIST) src | \
+ grep -Ev '((copy|system)\.h|parse-gram\.c)$$') \
+ && { echo '$(ME): the above are already included via system.h'\
+ 1>&2; exit 1; } || :; \
+ fi
+
+sc_sun_os_names:
+ @grep -nEi \
+ 'solaris[^[:alnum:]]*2\.(7|8|9|[1-9][0-9])|sunos[^[:alnum:]][6-9]' \
+ $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): found misuse of Sun OS version numbers' 1>&2; \
+ exit 1; } || :
+
+sc_the_the:
+ @grep -ni '\<the ''the\>' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): found use of "the ''the";' 1>&2; \
+ exit 1; } || :
+
+sc_tight_scope:
+ $(MAKE) -C src $@
+
+sc_trailing_blank:
+ @grep -n '[ ]$$' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): found trailing blank(s)' \
+ 1>&2; exit 1; } || :
+
+# 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) [^ ].*\\$$' \
+ $$($(CVS_LIST_EXCEPT)) && \
+ { echo "$(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 \
+ '\<error \([^"]*"[^"]*[a-z]{3}' $$($(CVS_LIST_EXCEPT)) \
+ | grep -v '_''(' && \
+ { echo '$(ME): found unmarked diagnostic(s)' 1>&2; \
+ exit 1; } || :
+
+# Avoid useless parentheses like those in this example:
+# #if defined (SYMBOL) || defined (SYM2)
+sc_useless_cpp_parens:
+ @grep -n '^# *if .*defined *(' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): found useless parentheses in cpp directive' \
+ 1>&2; exit 1; } || :
+
+# Require the latest GPL.
+sc_GPL_version:
+ @grep -n 'either ''version [^3]' $$($(CVS_LIST_EXCEPT)) && \
+ { echo '$(ME): GPL vN, N!=3' 1>&2; exit 1; } || :
+
+# Ensure that the c99-to-c89 patch applies cleanly.
+patch-check:
+ rm -rf src-c89 $@.1 $@.2
+ cp -a src src-c89
+ (cd src-c89; patch -p1 -V never --fuzz=0) < src/c99-to-c89.diff \
+ > $@.1 2>&1
+ if test "$$REGEN_PATCH" = yes; then \
+ diff -upr src src-c89 | sed 's,src-c89/,src/,' \
+ | grep -v '^Only in' > new-diff || : ; fi
+ grep -v '^patching file ' $@.1 > $@.2 || :
+ msg=ok; test -s $@.2 && 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 "$$msg" = ok && rm -rf src-c89 $@.1 $@.2 || echo "$$msg" 1>&2; \
+ test "$$msg" = ok
+
+# 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.
+extract_char = sed 's/^[^%][^%]*%\(.\).*/\1/'
+strftime-check:
+ if test -f $(srcdir)/src/date.c; then \
+ grep '^ %. ' $(srcdir)/src/date.c | sort \
+ | $(extract_char) > $@-src; \
+ { echo N; \
+ info libc date calendar format | grep '^ `%.'\' \
+ | $(extract_char); } | sort > $@-info; \
+ diff -u $@-src $@-info || exit 1; \
+ rm -f $@-src $@-info; \
+ fi
+
+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.
+makefile-check:
+ grep -nE '@[A-Z_0-9]+@' `find . -name Makefile.am` \
+ && { echo 'Makefile.maint: 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)\.$$' \
+ >/dev/null; then \
+ :; \
+ else \
+ echo "$(VERSION) not in ChangeLog" 1>&2; \
+ exit 1; \
+ fi
+
+m4-check:
+ @grep -n 'AC_DEFUN([^[]' m4/*.m4 \
+ && { echo 'Makefile.maint: quote the first arg to AC_DEFUN' 1>&2; \
+ exit 1; } || :
+
+# Verify that all source files using _() are listed in po/POTFILES.in.
+# FIXME: don't hard-code file names below; use a more general mechanism.
+po-check:
+ if test -f po/POTFILES.in; then \
+ grep -E -v '^(#|$$)' po/POTFILES.in \
+ | grep -v '^src/false\.c$$' | sort > $@-1; \
+ files=; \
+ for file in $$($(CVS_LIST_EXCEPT)); do \
+ case $$file in \
+ *.[ch]) \
+ base=`expr " $$file" : ' \(.*\)\..'`; \
+ { test -f $$base.l || test -f $$base.y; } && continue;; \
+ *) continue;; \
+ esac; \
+ files="$$files $$file"; \
+ done; \
+ grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files \
+ | sort -u > $@-2; \
+ diff -u $@-1 $@-2 || exit 1; \
+ rm -f $@-1 $@-2; \
+ fi
+
+# In a definition of #define AUTHORS "... and ..." where the RHS contains
+# the English word `and', the string must be marked with `N_ (...)' so that
+# gettext recognizes it as a string requiring translation.
+author_mark_check:
+ @grep -n '^# *define AUTHORS "[^"]* and ' src/*.c |grep -v ' N_ (' && \
+ { 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 -n '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
+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.
+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
+ $(MAKE) my-distcheck
+
+# Use -Wformat -Werror to detect format-string/arg-list mismatches.
+# Also, check for shadowing problems with -Wshadow, and for pointer
+# arithmetic problems with -Wpointer-arith.
+# These CFLAGS are pretty strict. If you build this target, you probably
+# have to have a recent version of gcc and glibc headers.
+# The for-loop below ensures that there is a bin/ directory full of all
+# of the programs under test (except the few that are required for basic
+# Makefile rules), all symlinked to the just-built "false" program.
+# This is to ensure that if ever a test neglects to make PATH include
+# the build srcdir, these always-failing programs will run.
+# Otherwise, it is too easy to test the wrong programs.
+# Note that "false" itself is a symlink to true, so it too will malfunction.
+TMPDIR ?= /tmp
+t=$(TMPDIR)/$(PACKAGE)/test
+my-distcheck: $(local-check) 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 \
+ && $(MAKE) distclean
+ (cd $(t) && mv $(distdir) $(distdir).old \
+ && $(AMTAR) -zxf - ) < $(distdir).tar.gz
+ diff -ur $(t)/$(distdir).old $(t)/$(distdir)
+ if test -f $(srcdir)/src/c99-to-c89.diff; then \
+ cd $(t)/$(distdir) \
+ && (cd src && patch -V never --fuzz=0 <c99-to-c89.diff) \
+ && ./configure --disable-largefile \
+ CFLAGS='-Werror -ansi -Wno-long-long' \
+ && $(MAKE); \
+ fi
+ -rm -rf $(t)
+ @echo "========================"; \
+ echo "$(distdir).tar.gz is ready for distribution"; \
+ echo "========================"
diff --git a/build-aux/find-unnecessary-if-before-free b/build-aux/find-unnecessary-if-before-free
new file mode 100755
index 0000000..2b415f9
--- /dev/null
+++ b/build-aux/find-unnecessary-if-before-free
@@ -0,0 +1,41 @@
+#!/usr/bin/perl
+# Detect instances of "if (p) free (p);".
+# Likewise for "if (p != NULL) free (p);".
+# Exit status is like grep: 0 for no match. 1 for any number.
+
+# Note: giving line numbers isn't practical, since I've reset the
+# input record separator.
+use strict;
+use warnings;
+(my $ME = $0) =~ s|.*/||;
+
+{
+ # Use ';' as the input record separator.
+ $/ = ';';
+
+ my $found_match = 0;
+ foreach my $file (@ARGV)
+ {
+ open FH, '<', $file
+ or die "$ME: can't open `$file' for reading: $!\n";
+ while (defined (my $line = <FH>))
+ {
+ if ($line =~
+ /\b(if\s*\(\s*(\S+?)(?:\s*!=\s*NULL)?\s*\)
+ \s+(?:sexpr_)?free\s*\(\s*\2\s*\))/sx)
+ {
+ print "$file: $1\n";
+ $found_match = 1;
+ }
+ }
+ close FH;
+ }
+ exit !$found_match;
+}
+
+my $foo = <<'EOF';
+# The above is to *find* them.
+# This adjusts them, removing the unnecessary "if (p)" part.
+
+perl -0x3b -pi -e 's/\bif\s*\(\s*(\S+?)(?:\s*!=\s*NULL)?\s*\)\s+((?:sexpr_)?free\s*\(\s*\1\s*\))/$2/s' $(git ls-files|grep -v '^gnulib')
+EOF
diff --git a/build-aux/vc-list-files b/build-aux/vc-list-files
new file mode 100755
index 0000000..72a6f54
--- /dev/null
+++ b/build-aux/vc-list-files
@@ -0,0 +1,50 @@
+#!/bin/sh
+# List the specified version-controlled files.
+
+# Copyright (C) 2006, 2007 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/>.
+
+
+# List the specified version-controlled files.
+# With no argument, list them all.
+# This script must be run solely from the top of a $srcdir build directory.
+
+# If there's an argument, it must be a single, "."-relative directory name.
+# cvsu is part of the cvsutils package: http://www.red-bean.com/cvsutils/
+
+dir=
+case $# in
+ 0) ;;
+ 1) dir=$1 ;;
+ *) echo "$0: too many arguments" 1>&2; exit 1 ;;
+esac
+
+test "x$dir" = x && dir=.
+
+if test -d CVS; then
+ if test -x build-aux/cvsu; then
+ build-aux/cvsu --find --types=AFGM "$dir"
+ else
+ awk -F/ '{ \
+ if (!$1 && $3 !~ /^-/) { \
+ f=FILENAME; \
+ sub(/CVS\/Entries/, "", f); \
+ print f $2; \
+ }}' \
+ $(find ${*-*} -name Entries -print) /dev/null;
+ fi
+else
+ git-ls-files "$dir"
+fi
--
1.5.4.rc4.15.g215c5
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