# -*-Makefile-*-# This Makefile fragment is shared between the coreutils,# CPPI, Bison, and Autoconf.## Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA## 02110-1301, 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.# Use --rsyncable if available.gzip_rsyncable := \$(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null && echo --rsyncable)GZIP_ENV = '--no-name --best $(gzip_rsyncable)'CVS = cvs# cvsu is part of the cvsutils package: http://www.red-bean.com/cvsutils/CVS_LIST = build-aux/vc-list-filesCVS_LIST_EXCEPT = \$(CVS_LIST) | if test -f .x-$@; then grep -vEf .x-$@; else grep -v ChangeLog; fiifeq ($(origin prev_version_file), undefined)prev_version_file = .prev-versionendifPREV_VERSION := $(shell cat $(prev_version_file))VERSION_REGEXP = $(subst .,\.,$(VERSION))tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')tag-this-version = $(subst .,_,$(VERSION))this-cvs-tag = $(tag-package)-$(tag-this-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## --------------- #### Sanity checks. #### --------------- ### FIXME: add a check to prohibit definition in src/*.c of symbols defined# in system.h. E.g. today I removed from tail.c a useless definition of# ENOSYS. It was useless because system.h ensures it's defined.# 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 writable-files 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))# 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)syntax-check: $(syntax-check-rules)# @shopt -s nullglob; \# grep -nE '# *include <(limits|std(def|arg|bool))\.h>' \# $$(find -type f -name '*.[chly]') /dev/null && \# { echo '$(ME): found conditional include' 1>&2; \# exit 1; } || :# grep -nE '^# *include <(string|stdlib)\.h>' \# $(srcdir)/{lib,src}/*.[chly] /dev/null && \# { echo '$(ME): FIXME' 1>&2; \# exit 1; } || :# FIXME: don't allow `#include .strings\.h' anywheresc_cast_of_argument_to_free:@shopt -s nullglob; \grep -nE '\<free \(\(' \$(srcdir)/{lib,src}/*.[chly] /dev/null && \{ echo '$(ME): don'\''t cast free argument' 1>&2; \exit 1; } || :sc_cast_of_x_alloc_return_value:@shopt -s nullglob; \grep -nE --exclude=$(srcdir)/lib/regex.c \'\*\) *x(m|c|re)alloc\>' \$(srcdir)/{lib,src}/*.[chly] /dev/null && \{ echo '$(ME): don'\''t cast x*alloc return value' 1>&2; \exit 1; } || :sc_cast_of_alloca_return_value:@shopt -s nullglob; \grep -nE '\*\) *alloca\>' \$(srcdir)/src/*.[chly] /dev/null && \{ echo '$(ME): don'\''t cast alloca return value' 1>&2; \exit 1; } || :sc_space_tab:@grep -n '[ ] ' $$($(CVS_LIST_EXCEPT)) && \{ echo '$(ME): found SPACE-TAB sequence; remove the SPACE' \1>&2; exit 1; } || :# Don't use the old ato* functions in `real' code.# They provide no error checking mechanism.# Instead, use strto* functions.sc_prohibit_atoi_atof:@grep -nE '\<ato([filq]|ll)\>' $$($(CVS_LIST_EXCEPT)) && \{ echo '$(ME): do not use ato''f, ato''i, ato''l, ato''ll, or ato''q' \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. 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