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-rwxr-xr-xmaintainer/am-ft125
-rwxr-xr-xmaintainer/am-xft18
-rw-r--r--maintainer/maint.mk640
-rwxr-xr-xmaintainer/rename-tests67
-rw-r--r--maintainer/syntax-checks.mk541
5 files changed, 1391 insertions, 0 deletions
diff --git a/maintainer/am-ft b/maintainer/am-ft
new file mode 100755
index 000000000..1d227906e
--- /dev/null
+++ b/maintainer/am-ft
@@ -0,0 +1,125 @@
+#!/usr/bin/env bash
+# Remote testing of Automake tarballs made easy.
+# This script requires Bash 4.x or later.
+
+# Copyright (C) 2013 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, see <http://www.gnu.org/licenses/>.
+
+# TODO: some documentation would be nice ...
+
+set -u
+me=${0##*/}
+
+fatal () { echo "$me: $*" >&2; exit 1; }
+
+cmd='
+ test_script=$HOME/.am-test/run
+ if test -f "$test_script" && test -x "$test_script"; then
+ "$test_script" "$@"
+ else
+ nice -n19 ./configure && nice -n19 make -j10 check
+ fi
+'
+
+remote=
+interactive=1
+while test $# -gt 0; do
+ case $1 in
+ -b|--batch) interactive=0;;
+ -c|--command) cmd=${2-}; shift;;
+ -*) fatal "'$1': invalid option";;
+ *) remote=$1; shift; break;;
+ esac
+ shift
+done
+[[ -n $remote ]] || fatal "no remote given"
+
+if ((interactive)); then
+ do_on_error='{
+ AM_TESTSUITE_FAILED=yes
+ export AM_TESTSUITE_FAILED
+ # We should not modify the environment with which the failed
+ # tests have run, hence do not read ".profile", ".bashrc", and
+ # company.
+ exec bash --noprofile --norc -i
+ }'
+else
+ do_on_error='exit $?'
+fi
+
+tarball=$(echo automake*.tar.xz)
+
+case $tarball in
+ *' '*) fatal "too many automake tarballs: $tarball";;
+esac
+
+test -f $tarball || fatal "no automake tarball found"
+
+distdir=${tarball%%.tar.xz}
+
+env='PATH=$HOME/bin:$PATH'
+if test -t 1; then
+ env+=" TERM='$TERM' AM_COLOR_TESTS=always"
+fi
+
+# This is tempting:
+# $ ssh "command" arg-1 ... arg-2
+# but doesn't work as expected. So we need the following hack
+# to propagate the command line arguments to the remote shell.
+quoted_args=--
+while (($# > 0)); do
+ case $1 in
+ *\'*) quoted_args+=" "$(printf '%s\n' "$1" | sed "s/'/'\\''/g");;
+ *) quoted_args+=" '$1'";;
+ esac
+ shift
+done
+
+set -e
+set -x
+
+scp $tarball $remote:tmp/
+
+# Multiple '-t' to force tty allocation.
+ssh -t -t $remote "
+ set -x; set -e; set -u;
+ set $quoted_args
+ cd tmp
+ if test -e $distdir; then
+ # Use 'perl', not only 'rm -rf', to correctly handle read-only
+ # files or directory. Fall back to 'rm' if something goes awry.
+ perl -e 'use File::Path qw/rmtree/; rmtree(\"$distdir\")' \
+ || rm -rf $distdir || exit 1
+ test ! -e $distdir
+ fi
+ xz -dc $tarball | tar xf -
+ cd $distdir
+ "'
+ am_extra_acdir=$HOME/.am-test/extra-aclocal
+ am_extra_bindir=$HOME/.am-test/extra-bin
+ am_extra_setup=$HOME/.am-test/extra-setup.sh
+ if test -d "$am_extra_acdir"; then
+ export ACLOCAL_PATH=$am_extra_acdir${ACLOCAL_PATH+":$ACLOCAL_PATH"}
+ fi
+ if test -d "$am_extra_bindir"; then
+ export PATH=$am_extra_bindir:$PATH
+ fi
+ '"
+ export $env
+ if test -f \"\$am_extra_setup\"; then
+ . \"\$am_extra_setup\"
+ fi
+ ($cmd) || $do_on_error
+"
diff --git a/maintainer/am-xft b/maintainer/am-xft
new file mode 100755
index 000000000..d7fee4cbb
--- /dev/null
+++ b/maintainer/am-xft
@@ -0,0 +1,18 @@
+#!/bin/sh
+# Copyright (C) 2013 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+MAKE=${MAKE-make} GIT=${GIT-git}
+$GIT clean -fdx && $MAKE bootstrap && $MAKE dist && exec am-ft "$@"
diff --git a/maintainer/maint.mk b/maintainer/maint.mk
new file mode 100644
index 000000000..baa838126
--- /dev/null
+++ b/maintainer/maint.mk
@@ -0,0 +1,640 @@
+# Maintainer makefile rules for Automake.
+#
+# Copyright (C) 1995-2013 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, see <http://www.gnu.org/licenses/>.
+
+# Avoid CDPATH issues.
+unexport CDPATH
+
+# Program to use to fetch files from the Net.
+WGET = wget
+
+# --------------------------------------------------------- #
+# Automatic generation of the ChangeLog from git history. #
+# --------------------------------------------------------- #
+
+gitlog_to_changelog_command = $(PERL) $(srcdir)/lib/gitlog-to-changelog
+gitlog_to_changelog_fixes = $(srcdir)/.git-log-fix
+gitlog_to_changelog_options = --amend=$(gitlog_to_changelog_fixes) \
+ --since='2011-12-28 00:00:00' \
+ --no-cluster --format '%s%n%n%b'
+
+EXTRA_DIST += lib/gitlog-to-changelog
+EXTRA_DIST += $(gitlog_to_changelog_fixes)
+
+# When executed from a git checkout, generate the ChangeLog from the git
+# history. When executed from an extracted distribution tarball, just
+# copy the distributed ChangeLog in the build directory (and if this
+# fails, or if no distributed ChangeLog file is present, complain and
+# give an error).
+#
+# The ChangeLog should be regenerated unconditionally when working from
+# checked-out sources; otherwise, if we're working from a distribution
+# tarball, we expect the ChangeLog to be distributed, so check that it
+# is indeed present in the source directory.
+ChangeLog:
+ $(AM_V_GEN)set -e; set -u; \
+ if test -d $(srcdir)/.git; then \
+ rm -f $@-t \
+ && $(gitlog_to_changelog_command) \
+ $(gitlog_to_changelog_options) >$@-t \
+ && chmod a-w $@-t \
+ && mv -f $@-t $@ \
+ || exit 1; \
+ elif test ! -f $(srcdir)/$@; then \
+ echo "Source tree is not a git checkout, and no pre-existent" \
+ "$@ file has been found there" >&2; \
+ exit 1; \
+ fi
+.PHONY: ChangeLog
+
+
+# --------------------------- #
+# Perl coverage statistics. #
+# --------------------------- #
+
+PERL_COVERAGE_DB = $(abs_top_builddir)/cover_db
+PERL_COVERAGE_FLAGS = -MDevel::Cover=-db,$(PERL_COVERAGE_DB),-silent,on,-summary,off
+PERL_COVER = cover
+
+check-coverage-run recheck-coverage-run: %-coverage-run: all
+ $(MKDIR_P) $(PERL_COVERAGE_DB)
+ PERL5OPT="$$PERL5OPT $(PERL_COVERAGE_FLAGS)"; export PERL5OPT; \
+ WANT_NO_THREADS=yes; export WANT_NO_THREADS; unset AUTOMAKE_JOBS; \
+ $(MAKE) $*
+
+check-coverage-report:
+ @if test ! -d "$(PERL_COVERAGE_DB)"; then \
+ echo "No coverage database found in '$(PERL_COVERAGE_DB)'." >&2; \
+ echo "Please run \"make check-coverage\" first" >&2; \
+ exit 1; \
+ fi
+ $(PERL_COVER) $(PERL_COVER_FLAGS) "$(PERL_COVERAGE_DB)"
+
+# We don't use direct dependencies here because we'd like to be able
+# to invoke the report even after interrupted check-coverage.
+check-coverage: check-coverage-run
+ $(MAKE) check-coverage-report
+
+recheck-coverage: recheck-coverage-run
+ $(MAKE) check-coverage-report
+
+clean-coverage:
+ rm -rf "$(PERL_COVERAGE_DB)"
+clean-local: clean-coverage
+
+.PHONY: check-coverage recheck-coverage check-coverage-run \
+ recheck-coverage-run check-coverage-report clean-coverage
+
+
+# ---------------------------------------------------- #
+# Tagging and/or uploading stable and beta releases. #
+# ---------------------------------------------------- #
+
+GIT = git
+
+EXTRA_DIST += lib/gnupload
+
+base_version_rx = ^[1-9][0-9]*\.[0-9][0-9]*
+stable_major_version_rx = $(base_version_rx)$$
+stable_minor_version_rx = $(base_version_rx)\.[0-9][0-9]*$$
+beta_version_rx = $(base_version_rx)(\.[0-9][0-9]*)?[bdfhjlnprtvxz]$$
+match_version = echo "$(VERSION)" | $(EGREP) >/dev/null
+
+# Check that we don't have uncommitted or unstaged changes.
+# TODO: Maybe the git suite already offers a shortcut to verify if the
+# TODO: working directory is "clean" or not? If yes, use that instead
+# TODO: of duplicating the logic here.
+git_must_have_clean_workdir = \
+ $(GIT) rev-parse --verify HEAD >/dev/null \
+ && $(GIT) update-index -q --refresh \
+ && $(GIT) diff-files --quiet \
+ && $(GIT) diff-index --quiet --cached HEAD \
+ || { echo "$@: you have uncommitted or unstaged changes" >&2; exit 1; }
+
+determine_release_type = \
+ if $(match_version) '$(stable_major_version_rx)'; then \
+ release_type='Major release'; \
+ announcement_type='major release'; \
+ dest=ftp; \
+ elif $(match_version) '$(stable_minor_version_rx)'; then \
+ release_type='Minor release'; \
+ announcement_type='maintenance release'; \
+ dest=ftp; \
+ elif $(match_version) '$(beta_version_rx)'; then \
+ release_type='Beta release'; \
+ announcement_type='test release'; \
+ dest=alpha; \
+ else \
+ echo "$@: invalid version '$(VERSION)' for a release" >&2; \
+ exit 1; \
+ fi
+
+# Help the debugging of $(determine_release_type) and related code.
+print-release-type:
+ @$(determine_release_type); \
+ echo "$$release_type $(VERSION);" \
+ "it will be announced as a $$announcement_type"
+
+git-tag-release: maintainer-check
+ @set -e -u; \
+ case '$(AM_TAG_DRYRUN)' in \
+ ""|[nN]|[nN]o|NO) run="";; \
+ *) run="echo Running:";; \
+ esac; \
+ $(determine_release_type); \
+ $(git_must_have_clean_workdir); \
+ $$run $(GIT) tag -s "v$(VERSION)" -m "$$release_type $(VERSION)"
+
+git-upload-release:
+ @# Check this is a version we can cut a release (either test
+ @# or stable) from.
+ @$(determine_release_type)
+ @# The repository must be clean.
+ @$(git_must_have_clean_workdir)
+ @# Check that we are releasing from a valid tag.
+ @tag=`$(GIT) describe` \
+ && case $$tag in "v$(VERSION)") true;; *) false;; esac \
+ || { echo "$@: you can only create a release from a tagged" \
+ "version" >&2; \
+ exit 1; }
+ @# Build the distribution tarball(s).
+ $(MAKE) dist
+ @# Upload it to the correct FTP repository.
+ @$(determine_release_type) \
+ && dest=$$dest.gnu.org:automake \
+ && echo "Will upload to $$dest: $(DIST_ARCHIVES)" \
+ && $(srcdir)/lib/gnupload $(GNUPLOADFLAGS) --to $$dest \
+ $(DIST_ARCHIVES)
+
+.PHONY: print-release-type git-upload-release git-tag-release
+
+
+# ------------------------------------------------------------------ #
+# Explore differences of autogenerated files in different commits. #
+# ------------------------------------------------------------------ #
+
+# Visually comparing differences between the Makefile.in files in
+# automake's own build system as generated in two different branches
+# might help to catch bugs and blunders. This has already happened a
+# few times in the past, when we used to version-control Makefile.in.
+autodiffs:
+ @set -u; \
+ NEW_COMMIT=$${NEW_COMMIT-"HEAD"}; \
+ OLD_COMMIT=$${OLD_COMMIT-"HEAD~1"}; \
+ am_gitdir='$(abs_top_srcdir)/.git'; \
+ get_autofiles_from_rev () \
+ { \
+ rev=$$1 dir=$$2 \
+ && echo "$@: will get files from revision $$rev" \
+ && $(GIT) clone -q --depth 1 "$$am_gitdir" tmp \
+ && cd tmp \
+ && $(GIT) checkout -q "$$rev" \
+ && echo "$@: bootstrapping $$rev" \
+ && $(SHELL) ./bootstrap.sh \
+ && echo "$@: copying files from $$rev" \
+ && makefile_ins=`find . -name Makefile.in` \
+ && (tar cf - configure aclocal.m4 $$makefile_ins) | \
+ (cd .. && cd "$$dir" && tar xf -) \
+ && cd .. \
+ && rm -rf tmp; \
+ }; \
+ outdir=$@.dir \
+ && : Before proceeding, ensure the specified revisions truly exist. \
+ && $(GIT) --git-dir="$$am_gitdir" describe $$OLD_COMMIT >/dev/null \
+ && $(GIT) --git-dir="$$am_gitdir" describe $$NEW_COMMIT >/dev/null \
+ && rm -rf $$outdir \
+ && mkdir $$outdir \
+ && cd $$outdir \
+ && mkdir new old \
+ && get_autofiles_from_rev $$OLD_COMMIT old \
+ && get_autofiles_from_rev $$NEW_COMMIT new \
+ && exit 0
+
+# With lots of eye candy; we like our developers pampered and spoiled :-)
+compare-autodiffs: autodiffs
+ @set -u; \
+ : $${COLORDIFF=colordiff} $${DIFF=diff}; \
+ dir=autodiffs.dir; \
+ if test ! -d "$$dir"; then \
+ echo "$@: $$dir: Not a directory" >&2; \
+ exit 1; \
+ fi; \
+ mydiff=false mypager=false; \
+ if test -t 1; then \
+ if ($$COLORDIFF -r . .) </dev/null >/dev/null 2>&1; then \
+ mydiff=$$COLORDIFF; \
+ mypager="less -R"; \
+ else \
+ mypager=less; \
+ fi; \
+ else \
+ mypager=cat; \
+ fi; \
+ if test "$$mydiff" = false; then \
+ if ($$DIFF -r -u . .); then \
+ mydiff=$$DIFF; \
+ else \
+ echo "$@: no good-enough diff program specified" >&2; \
+ exit 1; \
+ fi; \
+ fi; \
+ st=0; $$mydiff -r -u $$dir/old $$dir/new | $$mypager || st=$$?; \
+ rm -rf $$dir; \
+ exit $$st
+.PHONY: autodiffs compare-autodiffs
+
+# ---------------------------------------------- #
+# Help writing the announcement for a release. #
+# ---------------------------------------------- #
+
+PACKAGE_MAILINGLIST = automake@gnu.org
+
+announcement: NEWS
+ $(AM_V_GEN): \
+ && rm -f $@ $@-t \
+ && $(determine_release_type) \
+ && ftp_base="ftp://$$dest.gnu.org/gnu/$(PACKAGE)" \
+ && X () { printf '%s\n' "$$*" >> $@-t; } \
+ && X "We are pleased to announce the $(PACKAGE_NAME) $(VERSION)" \
+ "$$announcement_type." \
+ && X \
+ && X "**TODO** Brief description of the release here." \
+ && X \
+ && X "**TODO** This description can span multiple paragraphs." \
+ && X \
+ && X "See below for the detailed list of changes since the" \
+ && X "previous version, as summarized by the NEWS file." \
+ && X \
+ && X "Download here:" \
+ && X \
+ && X " $$ftp_base/$(PACKAGE)-$(VERSION).tar.gz" \
+ && X " $$ftp_base/$(PACKAGE)-$(VERSION).tar.xz" \
+ && X \
+ && X "Please report bugs and problems to" \
+ "<$(PACKAGE_BUGREPORT)>," \
+ && X "and send general comments and feedback to" \
+ "<$(PACKAGE_MAILINGLIST)>." \
+ && X \
+ && X "Thanks to everyone who has reported problems, contributed" \
+ && X "patches, and helped testing Automake!" \
+ && X \
+ && X "-*-*-*-" \
+ && X \
+ && $(AWK) '\
+ ($$0 == "New in $(VERSION):") { wait_for_end=1; } \
+ (/^~~~/ && wait_for_end) { exit(0) } \
+ { print } \
+ ' <$(srcdir)/NEWS >> $@-t \
+ && mv -f $@-t $@
+.PHONY: announcement
+CLEANFILES += announcement
+
+# --------------------------------------------------------------------- #
+# Synchronize third-party files that are committed in our repository. #
+# --------------------------------------------------------------------- #
+
+# Git repositories on Savannah.
+git-sv-host = git.savannah.gnu.org
+
+# Some repositories we sync files from.
+SV_CVS = 'http://savannah.gnu.org/cgi-bin/viewcvs/~checkout~/'
+SV_GIT_CF = 'http://$(git-sv-host)/gitweb/?p=config.git;a=blob_plain;hb=HEAD;f='
+SV_GIT_AC = 'http://$(git-sv-host)/gitweb/?p=autoconf.git;a=blob_plain;hb=HEAD;f='
+SV_GIT_GL = 'http://$(git-sv-host)/gitweb/?p=gnulib.git;a=blob_plain;hb=HEAD;f='
+
+# Files that we fetch and which we compare against.
+# Note that the 'lib/COPYING' file must still be synced by hand.
+FETCHFILES = \
+ $(SV_GIT_CF)config.guess \
+ $(SV_GIT_CF)config.sub \
+ $(SV_CVS)texinfo/texinfo/doc/texinfo.tex \
+ $(SV_CVS)texinfo/texinfo/util/gendocs.sh \
+ $(SV_CVS)texinfo/texinfo/util/gendocs_template \
+ $(SV_GIT_GL)build-aux/gitlog-to-changelog \
+ $(SV_GIT_GL)build-aux/gnupload \
+ $(SV_GIT_GL)build-aux/update-copyright \
+ $(SV_GIT_GL)doc/INSTALL
+
+# Fetch the latest versions of few scripts and files we care about.
+# A retrieval failure or a copying failure usually mean serious problems,
+# so we'll just bail out if 'wget' or 'cp' fail.
+fetch:
+ $(AM_V_at)rm -rf Fetchdir
+ $(AM_V_at)mkdir Fetchdir
+ $(AM_V_GEN)set -e; \
+ if $(AM_V_P); then wget_opts=; else wget_opts=-nv; fi; \
+ for url in $(FETCHFILES); do \
+ file=`printf '%s\n' "$$url" | sed 's|^.*/||; s|^.*=||'`; \
+ $(WGET) $$wget_opts "$$url" -O Fetchdir/$$file || exit 1; \
+ if cmp Fetchdir/$$file $(srcdir)/lib/$$file >/dev/null; then \
+ : Nothing to do; \
+ else \
+ echo "$@: updating file $$file"; \
+ cp Fetchdir/$$file $(srcdir)/lib/$$file || exit 1; \
+ fi; \
+ done
+ $(AM_V_at)rm -rf Fetchdir
+.PHONY: fetch
+
+# ---------------------------------------------------------------------- #
+# Generate and upload manuals in several formats, for the GNU website. #
+# ---------------------------------------------------------------------- #
+
+web_manual_dir = doc/web-manual
+
+RSYNC = rsync
+CVS = cvs
+CVSU = cvsu
+CVS_USER = $${USER}
+WEBCVS_ROOT = cvs.savannah.gnu.org:/web
+CVS_RSH = ssh
+export CVS_RSH
+
+.PHONY: web-manual web-manual-update
+web-manual web-manual-update: t = $@.dir
+
+# Build manual in several formats. Note to the recipe:
+# 1. The symlinking of automake.texi into the temporary directory is
+# required to pacify extra checks from gendocs.sh.
+# 2. The redirection to /dev/null before the invocation of gendocs.sh
+# is done to better respect silent rules.
+web-manual:
+ $(AM_V_at)rm -rf $(web_manual_dir) $t
+ $(AM_V_at)mkdir $t
+ $(AM_V_at)$(LN_S) '$(abs_srcdir)/doc/$(PACKAGE).texi' '$t/'
+ $(AM_V_GEN)cd $t \
+ && GENDOCS_TEMPLATE_DIR='$(abs_srcdir)/lib' \
+ && export GENDOCS_TEMPLATE_DIR \
+ && if $(AM_V_P); then :; else exec >/dev/null 2>&1; fi \
+ && $(SHELL) '$(abs_srcdir)/lib/gendocs.sh' \
+ -I '$(abs_srcdir)/doc' --email $(PACKAGE_BUGREPORT) \
+ $(PACKAGE) '$(PACKAGE_NAME)'
+ $(AM_V_at)mkdir $(web_manual_dir)
+ $(AM_V_at)mv -f $t/manual/* $(web_manual_dir)
+ $(AM_V_at)rm -rf $t
+ @! $(AM_V_P) || ls -l $(web_manual_dir)
+
+# Upload manual to www.gnu.org, using CVS (sigh!)
+web-manual-update:
+ $(AM_V_at)$(determine_release_type); \
+ case $$release_type in \
+ [Mm]ajor\ release|[Mm]inor\ release);; \
+ *) echo "Cannot upload manuals from a \"$$release_type\"" >&2; \
+ exit 1;; \
+ esac
+ $(AM_V_at)test -f $(web_manual_dir)/$(PACKAGE).html || { \
+ echo 'You have to run "$(MAKE) web-manuals" before' \
+ 'invoking "$(MAKE) $@"' >&2; \
+ exit 1; \
+ }
+ $(AM_V_at)rm -rf $t
+ $(AM_V_at)mkdir $t
+ $(AM_V_at)cd $t \
+ && $(CVS) -z3 -d :ext:$(CVS_USER)@$(WEBCVS_ROOT)/$(PACKAGE) \
+ co $(PACKAGE)
+ @# According to the rsync manpage, "a trailing slash on the
+ @# source [...] avoids creating an additional directory
+ @# level at the destination". So the trailing '/' after
+ @# '$(web_manual_dir)' below is intended.
+ $(AM_V_at)$(RSYNC) -avP $(web_manual_dir)/ $t/$(PACKAGE)/manual
+ $(AM_V_GEN): \
+ && cd $t/$(PACKAGE)/manual \
+ && new_files=`$(CVSU) --types='?'` \
+ && new_files=`echo "$$new_files" | sed s/^..//` \
+ && { test -z "$$new_files" || $(CVS) add -ko $$new_files; } \
+ && $(CVS) ci -m $(VERSION)
+ $(AM_V_at)rm -rf $t
+.PHONY: web-manual-update
+
+clean-web-manual:
+ $(AM_V_at)rm -rf $(web_manual_dir)
+.PHONY: clean-web-manual
+clean-local: clean-web-manual
+
+EXTRA_DIST += lib/gendocs.sh lib/gendocs_template
+
+# ------------------------------------------------ #
+# Update copyright years of all committed files. #
+# ------------------------------------------------ #
+
+EXTRA_DIST += lib/update-copyright
+
+update_copyright_env = \
+ UPDATE_COPYRIGHT_FORCE=1 \
+ UPDATE_COPYRIGHT_USE_INTERVALS=2
+
+# In addition to the several README files, these as well are
+# not expected to have a copyright notice.
+files_without_copyright = \
+ .autom4te.cfg \
+ .git-log-fix \
+ .gitattributes \
+ .gitignore \
+ INSTALL \
+ COPYING \
+ AUTHORS \
+ THANKS \
+ lib/INSTALL \
+ lib/COPYING
+
+# This script is in the public domain.
+files_without_copyright += lib/mkinstalldirs
+
+# This script has an MIT-style license
+files_without_copyright += lib/install-sh
+
+# The UPDATE_COPYRIGHT_YEAR environment variable is honoured by the
+# 'lib/update-copyright' script.
+.PHONY: update-copyright
+update-copyright:
+ $(AM_V_GEN)set -e; \
+ if test -n "$$UPDATE_COPYRIGHT_YEAR"; then \
+ current_year=$$UPDATE_COPYRIGHT_YEAR; \
+ else \
+ current_year=`date +%Y` && test -n "$$current_year" \
+ || { echo "$@: cannot get current year" >&2; exit 1; }; \
+ fi; \
+ sed -i "/^RELEASE_YEAR=/s/=.*$$/=$$current_year/" \
+ bootstrap.sh configure.ac; \
+ excluded_re=`( \
+ for url in $(FETCHFILES); do echo "$$url"; done \
+ | sed -e 's!^.*/!!' -e 's!^.*=!!' -e 's!^!lib/!' \
+ && for f in $(files_without_copyright); do echo $$f; done \
+ ) | sed -e '$$!s,$$,|,' | tr -d '\012\015'`; \
+ $(GIT) ls-files \
+ | grep -Ev '(^|/)README$$' \
+ | grep -Ev '^PLANS(/|$$)' \
+ | grep -Ev "^($$excluded_re)$$" \
+ | $(update_copyright_env) xargs $(srcdir)/lib/$@
+
+# -------------------------------------------------------------- #
+# Run the testsuite with the least supported autoconf version. #
+# -------------------------------------------------------------- #
+
+gnu-ftp = http://ftp.gnu.org/gnu
+
+# Various shorthands: version, name, package name, tarball name,
+# tarball location, installation directory.
+ac-v = $(required_autoconf_version)
+ac-n = autoconf
+ac-p = $(ac-n)-$(ac-v)
+ac-t = $(ac-p).tar.gz
+ac-l = maintainer/$(ac-t)
+ac-d = maintainer/$(ac-p)
+
+fetch-minimal-autoconf: o = $(ac-l)
+fetch-minimal-autoconf:
+ $(AM_V_at)$(MKDIR_P) $(dir $o)
+ $(AM_V_at)rm -f $o $o-t
+ $(AM_V_GEN)$(WGET) -O $o-t $(gnu-ftp)/$(ac-n)/$(ac-t)
+ $(AM_V_at)chmod a-w $o-t && mv -f $o-t $o && ls -l $o
+.PHONY: fetch-minimal-autoconf
+
+build-minimal-autoconf:
+ $(AM_V_GEN):; \
+ test -f $(ac-l) || { \
+ echo "$@: tarball $(ac-l) seems missing." >&2; \
+ echo "$@: have you run '$(MAKE) fetch-minimal-autoconf'?" >&2; \
+ exit 1; \
+ }; \
+ set -x \
+ && $(PERL) $(srcdir)/t/ax/deltree.pl $(ac-d) \
+ && $(MKDIR_P) $(ac-d) \
+ && cd $(ac-d) \
+ && tar xzf '$(CURDIR)/$(ac-l)' \
+ && mv $(ac-p) src \
+ && mkdir build \
+ && cd build \
+ && env CONFIG_SHELL='$(SHELL)' $(SHELL) ../src/configure \
+ --prefix='$(CURDIR)/$(ac-d)' CONFIG_SHELL='$(SHELL)' \
+ && $(MAKE) install
+ $(AM_V_at)echo ' ======' && $(ac-d)/bin/autoconf --version
+.PHONY: build-minimal-autoconf
+
+check-minimal-autoconf:
+ $(AM_V_at)p='$(ac-d)/bin/autoconf'; \
+ if test ! -f "$$p" || test ! -x "$$p"; then \
+ echo "$@: program '$$p' seems missing." >&2; \
+ echo "$@: have you run '$(MAKE) build-minimal-autoconf'?" >&2; \
+ exit 1; \
+ fi
+ $(AM_V_GEN): \
+ && PATH='$(CURDIR)/$(ac-d)/bin$(PATH_SEPARATOR)'$$PATH \
+ && export PATH \
+ && AUTOCONF=autoconf \
+ && AUTOHEADER=autoheader \
+ && AUTORECONF=autoreconf \
+ && AUTOM4TE=autom4te \
+ && AUTOUPDATE=autoupdate \
+ && export AUTOCONF AUTOHEADER AUTORECONF AUTOM4TE AUTOUPDATE \
+ && echo === check autoconf version '(must be = $(ac-v))' \
+ && autoconf --version \
+ && autoconf --version | sed -e 's/^/ /; s/$$/ /' -e 1q \
+ | $(FGREP) '$(ac-v)' >/dev/null \
+ && echo === configure \
+ && ./configure $(shell ./config.status --config) \
+ && echo === build and test \
+ && $(MAKE) check
+.PHONY: check-minimal-autoconf
+
+
+# --------------------------------------------------------------- #
+# Testing on real-world packages can help us avoid regressions. #
+# --------------------------------------------------------------- #
+
+#
+# NOTE (from Stefano Lattarini):
+#
+# This section is mostly hacky and ad-hoc, but works for me and
+# on my system. And while far from clean, it should help catching
+# real regressions on real world packages, which is important.
+# Ideas about how to improve this and make it more generic, portable,
+# clean, etc., are welcome.
+#
+
+# Tiny sample package.
+FEW_PACKAGES += hello
+# Smallish package using recursive make setup.
+FEW_PACKAGES += make
+# Medium-size package using non-recursive make setup.
+FEW_PACKAGES += coreutils
+
+ALL_PACKAGES = \
+ $(FEW_PACKAGES) \
+ autoconf \
+ bison \
+ grep \
+ tar \
+ diffutils \
+ smalltalk
+
+pkg-targets = check dist
+
+# Note: "ttp" stays for "Third Party Package".
+
+ttp-check ttp-check-all: do-clone = $(GIT) clone --verbose
+ttp-check: ttp-packages = $(FEW_PACKAGES)
+ttp-check-all: ttp-packages = $(ALL_PACKAGES)
+
+# Note: some packages depend on pkg-config, and its provided macros.
+ttp-check ttp-check-all: t/pkg-config-macros.log
+ @set -e; \
+ $(setup_autotools_paths); \
+ skip_all_ () \
+ { \
+ echo "***" >&2; \
+ echo "*** $@: WARNING: $$@" >&2; \
+ echo "*** $@: WARNING: some packages might fail to bootstrap" >&2; \
+ echo "***" >&2; \
+ }; \
+ . t/pkg-config-macros.dir/get.sh || exit 1; \
+ mkdir $@.d && cd $@.d || exit 1; \
+ for p in $(ttp-packages); do \
+ echo; \
+ echo ======== BEGIN TTP $$p =========; \
+ echo; \
+ set -x; \
+ $(do-clone) git://$(git-sv-host)/$$p.git || exit 1; \
+ ( \
+ cd $$p \
+ && ls -l \
+ && if test -f bootstrap; then \
+ ./bootstrap --no-git; \
+ else \
+ $$AUTORECONF -fvi; \
+ fi \
+ && ./configure \
+ && if test $$p = make; then \
+ $(MAKE) update; \
+ else :; fi \
+ && for t in $(pkg-targets); do \
+ $(MAKE) $$t WERROR_CFLAGS= || exit 1; \
+ done \
+ ) || exit 1; \
+ set +x; \
+ echo; \
+ echo ======== END TTP $$p =========; \
+ echo; \
+ done
+ifndef keep-ttp-dir
+ rm -rf $@.d
+endif
+
+# Alias for lazy typists.
+ttp: ttp-check
+ttp-all: ttp-check-all
+
+.PHONY: ttp ttp-check ttp-all ttp-check-all
diff --git a/maintainer/rename-tests b/maintainer/rename-tests
new file mode 100755
index 000000000..28963fa37
--- /dev/null
+++ b/maintainer/rename-tests
@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+# Convenience script to rename test cases in Automake.
+
+# Copyright (C) 2013 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, see <http://www.gnu.org/licenses/>.
+
+set -e -u
+
+me=${0##*/}
+fatal () { echo "$me: $*" >&2; exit 1; }
+
+case $# in
+ 0) input=$(cat);;
+ 1) input=$(cat -- "$1");;
+ *) fatal "too many arguments";;
+esac
+
+AWK=${AWK-awk}
+SED=${SED-sed}
+
+[[ -f bin/automake.in && -d lib/Automake ]] \
+ || fatal "can only be run from the top-level of the Automake source tree"
+
+$SED --version 2>&1 | grep GNU >/dev/null 2>&1 \
+ || fatal "GNU sed is required by this script"
+
+# Validate and cleanup input.
+input=$(
+ $AWK -v me="$me" "
+ /^#/ { next; }
+ (NF == 0) { next; }
+ (NF != 2) { print me \": wrong number of fields at line \" NR;
+ exit(1); }
+ { printf (\"t/%s t/%s\\n\", \$1, \$2); }
+ " <<<"$input")
+
+# Prepare git commit message.
+exec 5>$me.git-msg
+echo "tests: more significant names for some tests" >&5
+echo >&5
+$AWK >&5 <<<"$input" \
+ '{ printf ("* %s: Rename...\n* %s: ... like this.\n", $1, $2) }'
+exec 5>&-
+
+# Rename tests.
+eval "$($AWK '{ printf ("git mv %s %s\n", $1, $2) }' <<<"$input")"
+
+# Adjust the list of tests (do this conditionally, since such a
+# list is not required nor used in Automake-NG.
+if test -f t/list-of-tests.mk; then
+ $SED -e "$($AWK '{ printf ("s|^%s |%s |\n", $1, $2) }' <<<"$input")" \
+ -i t/list-of-tests.mk
+fi
+
+git status
diff --git a/maintainer/syntax-checks.mk b/maintainer/syntax-checks.mk
new file mode 100644
index 000000000..5d08750da
--- /dev/null
+++ b/maintainer/syntax-checks.mk
@@ -0,0 +1,541 @@
+# Maintainer checks for Automake. Requires GNU make.
+
+# Copyright (C) 2012-2013 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, see <http://www.gnu.org/licenses/>.
+
+# We also have to take into account VPATH builds (where some generated
+# tests might be in '$(builddir)' rather than in '$(srcdir)'), TAP-based
+# tests script (which have a '.tap' extension) and helper scripts used
+# by other test cases (which have a '.sh' extension).
+xtests := $(shell \
+ if test $(srcdir) = .; then \
+ dirs=.; \
+ else \
+ dirs='$(srcdir) .'; \
+ fi; \
+ for d in $$dirs; do \
+ for s in tap sh; do \
+ ls $$d/t/ax/*.$$s $$d/t/*.$$s $$d/contrib/t/*.$$s 2>/dev/null; \
+ done; \
+ done | sort)
+
+xdefs = \
+ $(srcdir)/t/ax/am-test-lib.sh \
+ $(srcdir)/t/ax/test-lib.sh \
+ $(srcdir)/t/ax/test-defs.in
+
+ams := $(shell find $(srcdir) -name '*.dir' -prune -o -name '*.am' -print)
+
+# Some simple checks, and then ordinary check. These are only really
+# guaranteed to work on my machine.
+syntax_check_rules = \
+$(sc_tests_plain_check_rules) \
+sc_diff_automake \
+sc_diff_aclocal \
+sc_no_brace_variable_expansions \
+sc_rm_minus_f \
+sc_no_for_variable_in_macro \
+sc_mkinstalldirs \
+sc_pre_normal_post_install_uninstall \
+sc_perl_no_undef \
+sc_perl_no_split_regex_space \
+sc_cd_in_backquotes \
+sc_cd_relative_dir \
+sc_perl_at_uscore_in_scalar_context \
+sc_perl_local \
+sc_AMDEP_TRUE_in_automake_in \
+sc_make_without_am_makeflags \
+sc_tests_no_source_defs \
+sc_tests_obsolete_variables \
+sc_tests_here_document_format \
+sc_tests_command_subst \
+sc_tests_no_run_make_redirect \
+sc_tests_exit_not_Exit \
+sc_tests_automake_fails \
+sc_tests_overriding_macros_on_cmdline \
+sc_tests_no_make_e \
+sc_tests_plain_sleep \
+sc_tests_ls_t \
+sc_m4_am_plain_egrep_fgrep \
+sc_tests_no_configure_in \
+sc_tests_PATH_SEPARATOR \
+sc_tests_logs_duplicate_prefixes \
+sc_tests_makefile_variable_order \
+sc_perl_at_substs \
+sc_unquoted_DESTDIR \
+sc_tabs_in_texi \
+sc_at_in_texi
+
+$(syntax_check_rules): bin/automake bin/aclocal
+maintainer-check: $(syntax_check_rules)
+.PHONY: maintainer-check $(syntax_check_rules)
+
+# Check that the list of tests given in the Makefile is equal to the
+# list of all test scripts in the Automake testsuite.
+maintainer-check: maintainer-check-list-of-tests
+
+# I'm a lazy typist.
+lint: maintainer-check
+.PHONY: lint
+
+# The recipes of syntax checks require a modern GNU grep.
+sc_sanity_gnu_grep:
+ $(AM_V_GEN)grep --version | grep 'GNU grep' >/dev/null 2>&1 \
+ && ab=$$(printf 'a\nb') \
+ && test "$$(printf 'xa\nb\nc' | grep -Pzo 'a\nb')" = "$$ab" \
+ || { \
+ echo "Syntax checks recipes require a modern GNU grep" >&2; \
+ exit 1; \
+ }
+.PHONY: sc_sanity_gnu_grep
+$(syntax_check_rules): sc_sanity_gnu_grep
+
+# These check avoids accidental configure substitutions in the source.
+# There are exactly 8 lines that should be modified from automake.in to
+# automake, and 9 lines that should be modified from aclocal.in to
+# aclocal.
+automake_diff_no = 8
+aclocal_diff_no = 9
+sc_diff_automake sc_diff_aclocal: in=$($*_in)
+sc_diff_automake sc_diff_aclocal: out=$($*_script)
+sc_diff_automake sc_diff_aclocal: sc_diff_% :
+ @set +e; \
+ in=$*-in.tmp out=$*-out.tmp diffs=$*-diffs.tmp \
+ && sed '/^#!.*[pP]rototypes/d' $(in) > $$in \
+ && sed '/^# BEGIN.* PROTO/,/^# END.* PROTO/d' $(out) > $$out \
+ && { diff -u $$in $$out > $$diffs; test $$? -eq 1; } \
+ && added=`grep -v '^+++ ' $$diffs | grep -c '^+'` \
+ && removed=`grep -v '^--- ' $$diffs | grep -c '^-'` \
+ && test $$added,$$removed = $($*_diff_no),$($*_diff_no) \
+ || { \
+ echo "Found unexpected diffs between $(in) and $(out)"; \
+ echo "Lines added: $$added" ; \
+ echo "Lines removed: $$removed"; \
+ cat $$diffs; \
+ exit 1; \
+ } >&2; \
+ rm -f $$in $$out $$diffs
+
+# Expect no instances of '${...}'. However, $${...} is ok, since that
+# is a shell construct, not a Makefile construct.
+sc_no_brace_variable_expansions:
+ @if grep -v '^ *#' $(ams) | grep -F '$${' | grep -F -v '$$$$'; then \
+ echo "Found too many uses of '\$${' in the lines above." 1>&2; \
+ exit 1; \
+ else :; fi
+
+# Make sure 'rm' is called with '-f'.
+sc_rm_minus_f:
+ @if grep -v '^#' $(ams) $(xtests) \
+ | grep -vE '/(rm-f-probe\.sh|spy-rm\.tap|subobj-clean.*-pr10697\.sh):' \
+ | grep -E '\<rm ([^-]|\-[^f ]*\>)'; \
+ then \
+ echo "Suspicious 'rm' invocation." 1>&2; \
+ exit 1; \
+ else :; fi
+
+# Never use something like "for file in $(FILES)", this doesn't work
+# if FILES is empty or if it contains shell meta characters (e.g. $ is
+# commonly used in Java filenames).
+sc_no_for_variable_in_macro:
+ @if grep 'for .* in \$$(' $(ams) | grep -v '/Makefile\.am:'; then \
+ echo 'Use "list=$$(mumble); for var in $$$$list".' 1>&2 ; \
+ exit 1; \
+ else :; fi
+
+# Make sure all invocations of mkinstalldirs are correct.
+sc_mkinstalldirs:
+ @if grep -n 'mkinstalldirs' $(ams) \
+ | grep -F -v '$$(mkinstalldirs)' \
+ | grep -v '^\./Makefile.am:[0-9][0-9]*: *lib/mkinstalldirs \\$$'; \
+ then \
+ echo "Found incorrect use of mkinstalldirs in the lines above" 1>&2; \
+ exit 1; \
+ else :; fi
+
+# Make sure all calls to PRE/NORMAL/POST_INSTALL/UNINSTALL
+sc_pre_normal_post_install_uninstall:
+ @if grep -E -n '\((PRE|NORMAL|POST)_(|UN)INSTALL\)' $(ams) | \
+ grep -v ':##' | grep -v ': @\$$('; then \
+ echo "Found incorrect use of PRE/NORMAL/POST_INSTALL/UNINSTALL in the lines above" 1>&2; \
+ exit 1; \
+ else :; fi
+
+# We never want to use "undef", only "delete", but for $/.
+sc_perl_no_undef:
+ @if grep -n -w 'undef ' $(automake_in) | \
+ grep -F -v 'undef $$/'; then \
+ echo "Found 'undef' in the lines above; use 'delete' instead" 1>&2; \
+ exit 1; \
+ fi
+
+# We never want split (/ /,...), only split (' ', ...).
+sc_perl_no_split_regex_space:
+ @if grep -n 'split (/ /' $(automake_in) $(acloca_in); then \
+ echo "Found bad split in the lines above." 1>&2; \
+ exit 1; \
+ fi
+
+# Look for cd within backquotes
+sc_cd_in_backquotes:
+ @if grep -n '^[^#]*` *cd ' $(automake_in) $(ams); then \
+ echo "Consider using \$$(am__cd) in the lines above." 1>&2; \
+ exit 1; \
+ fi
+
+# Look for cd to a relative directory (may be influenced by CDPATH).
+# Skip some known directories that are OK.
+sc_cd_relative_dir:
+ @if grep -n '^[^#]*cd ' $(automake_in) $(ams) | \
+ grep -v 'echo.*cd ' | \
+ grep -v 'am__cd =' | \
+ grep -v '^[^#]*cd [./]' | \
+ grep -v '^[^#]*cd \$$(top_builddir)' | \
+ grep -v '^[^#]*cd "\$$\$$am__cwd' | \
+ grep -v '^[^#]*cd \$$(abs' | \
+ grep -v '^[^#]*cd "\$$(DESTDIR)'; then \
+ echo "Consider using \$$(am__cd) in the lines above." 1>&2; \
+ exit 1; \
+ fi
+
+# Using @_ in a scalar context is most probably a programming error.
+sc_perl_at_uscore_in_scalar_context:
+ @if grep -Hn '[^%@_A-Za-z0-9][_A-Za-z0-9]*[^) ] *= *@_' \
+ $(automake_in) $(aclocal_in); then \
+ echo "Using @_ in a scalar context in the lines above." 1>&2; \
+ exit 1; \
+ fi
+
+## Allow only few variables to be localized in automake and aclocal.
+sc_perl_local:
+ @if egrep -v '^[ \t]*local \$$[_~]( *=|;)' \
+ $(automake_in) $(aclocal_in) | \
+ grep '^[ \t]*local [^*]'; then \
+ echo "Please avoid 'local'." 1>&2; \
+ exit 1; \
+ fi
+
+# Don't let AMDEP_TRUE substitution appear in automake.in.
+sc_AMDEP_TRUE_in_automake_in:
+ @if grep '@AMDEP''_TRUE@' $(automake_in); then \
+ echo "Don't put AMDEP_TRUE substitution in automake.in" 1>&2; \
+ exit 1; \
+ fi
+
+# Recursive make invocations should always pass $(AM_MAKEFLAGS)
+# to $(MAKE), for portability to non-GNU make.
+sc_tests_make_without_am_makeflags:
+ @if grep '^[^#].*(MAKE) ' $(ams) $(automake_in) \
+ | grep -Fv '$$(AM_MAKEFLAGS)'; \
+ then \
+ echo 'Use $$(MAKE) $$(AM_MAKEFLAGS).' 1>&2; \
+ exit 1; \
+ fi
+
+# Look out for some obsolete variables.
+sc_tests_obsolete_variables:
+ @vars=" \
+ using_tap \
+ am_using_tap \
+ test_prefer_config_shell \
+ original_AUTOMAKE \
+ original_ACLOCAL \
+ parallel_tests \
+ am_parallel_tests \
+ "; \
+ seen=""; \
+ for v in $$vars; do \
+ if grep -E "\b$$v\b" $(xtests) $(xdefs); then \
+ seen="$$seen $$v"; \
+ fi; \
+ done; \
+ if test -n "$$seen"; then \
+ for v in $$seen; do \
+ case $$v in \
+ parallel_tests|am_parallel_tests) v2=am_serial_tests;; \
+ *) v2=am_$$v;; \
+ esac; \
+ echo "Variable '$$v' is obsolete, use '$$v2' instead." 1>&2; \
+ done; \
+ exit 1; \
+ else :; fi
+
+# Tests should never call some programs directly, but only through the
+# corresponding variable (e.g., '$MAKE', not 'make'). This will allow
+# the programs to be overridden at configure time (for less brittleness)
+# or by the user at make time (to allow better testsuite coverage).
+sc_tests_plain_check_rules = \
+ sc_tests_plain_egrep \
+ sc_tests_plain_fgrep \
+ sc_tests_plain_make \
+ sc_tests_plain_perl \
+ sc_tests_plain_automake \
+ sc_tests_plain_aclocal \
+ sc_tests_plain_autoconf \
+ sc_tests_plain_autoupdate \
+ sc_tests_plain_autom4te \
+ sc_tests_plain_autoheader \
+ sc_tests_plain_autoreconf
+
+toupper = $(shell echo $(1) | LC_ALL=C tr '[a-z]' '[A-Z]')
+
+$(sc_tests_plain_check_rules): sc_tests_plain_% :
+ @# The leading ':' in the grep below is what is printed by the
+ @# preceding 'grep -v' after the file name.
+ @# It works here as a poor man's substitute for beginning-of-line
+ @# marker.
+ @if grep -v '^[ ]*#' $(xtests) \
+ | $(EGREP) '(:|\bif|\bnot|[;!{\|\(]|&&|\|\|)[ ]*?$*\b'; \
+ then \
+ echo 'Do not run "$*" in the above tests.' \
+ 'Use "$$$(call toupper,$*)" instead.' 1>&2; \
+ exit 1; \
+ fi
+
+# Tests should only use END and EOF for here documents
+# (so that the next test is effective).
+sc_tests_here_document_format:
+ @if grep '<<' $(xtests) | grep -Ev '\b(END|EOF)\b|\bcout <<'; then \
+ echo 'Use here documents with "END" and "EOF" only, for greppability.' 1>&2; \
+ exit 1; \
+ fi
+
+# Our test case should use the $(...) POSIX form for command substitution,
+# rather than the older `...` form.
+# The point of ignoring text on here-documents is that we want to exempt
+# Makefile.am rules, configure.ac code and helper shell script created and
+# used by out shell scripts, because Autoconf (as of version 2.69) does not
+# yet ensure that $CONFIG_SHELL will be set to a proper POSIX shell.
+sc_tests_command_subst:
+ @found=false; \
+ scan () { \
+ sed -n -e '/^#/d' \
+ -e '/<<.*END/,/^END/b' -e '/<<.*EOF/,/^EOF/b' \
+ -e 's/\\`/\\{backtick}/' \
+ -e "s/[^\\]'\([^']*\`[^']*\)*'/'{quoted-text}'/g" \
+ -e '/`/p' $$*; \
+ }; \
+ for file in $(xtests); do \
+ res=`scan $$file`; \
+ if test -n "$$res"; then \
+ echo "$$file:$$res"; \
+ found=true; \
+ fi; \
+ done; \
+ if $$found; then \
+ echo 'Use $$(...), not `...`, for command substitutions.' >&2; \
+ exit 1; \
+ fi
+
+# Tests should no longer call 'Exit', just 'exit'. That's because we
+# now have in place a better workaround to ensure the exit status is
+# transported correctly across the exit trap.
+sc_tests_exit_not_Exit:
+ @if grep 'Exit' $(xtests) $(xdefs) | grep -Ev '^[^:]+: *#' | grep .; then \
+ echo "Use 'exit', not 'Exit'; it's obsolete now." 1>&2; \
+ exit 1; \
+ fi
+
+# Guard against obsolescent uses of ./defs in tests. Now,
+# 'test-init.sh' should be used instead.
+sc_tests_no_source_defs:
+ @if grep -E '\. .*defs($$| )' $(xtests); then \
+ echo "Source 'test-init.sh', not './defs'." 1>&2; \
+ exit 1; \
+ fi
+
+# Invocation of 'run_make' should not have output redirections.
+sc_tests_no_run_make_redirect:
+ @if grep -Pzo '.*(\$$MAKE|\brun_make)\b(.*(\\\n))*.*>.*' $(xtests); \
+ then \
+ echo 'Do not redirect stdout/stderr in "run_make" or "$$MAKE"' \
+ 'invocations,' >&2; \
+ echo 'use "run_make {-E|-O|-M}" instead.' >&2; \
+ exit 1; \
+ fi
+
+# Use AUTOMAKE_fails when appropriate
+sc_tests_automake_fails:
+ @if grep -v '^#' $(xtests) | grep '\$$AUTOMAKE.*&&.*exit'; then \
+ echo 'Use AUTOMAKE_fails + grep to catch automake failures in the above tests.' 1>&2; \
+ exit 1; \
+ fi
+
+# "make -e" is brittle and unsafe, since it let *all* the environment
+# win over the macro definitions in the Makefiles. Since we offer
+# AM_MAKEFLAGS to allow the user to portably override macro definitions
+# from the command line in a safe way, we should encourage users to use
+# it.
+sc_tests_no_make_e:
+ @if grep -E '\$$MAKE\b.* -[a-zA-Z0-9]*e' $(xtests); then \
+ echo '"make -e" is brittle, use "run_make" instead.' 1>&2; \
+ exit 1; \
+ fi
+
+# Overriding a Makefile macro on the command line is not portable when
+# recursive targets are used. Better use an envvar. SHELL is an
+# exception, POSIX says it can't come from the environment. V, DESTDIR,
+# DISTCHECK_CONFIGURE_FLAGS and DISABLE_HARD_ERRORS are exceptions, too,
+# as package authors are urged not to initialize them anywhere.
+# Finally, 'exp' is used by some ad-hoc checks, where we ensure it's
+# ok to override it from the command line.
+sc_tests_overriding_macros_on_cmdline:
+# The first s/// tries to account for usages like "$MAKE || st=$?".
+# 'DISTCHECK_CONFIGURE_FLAGS' and 'exp' are allowed to contain whitespace in
+# their definitions, hence the more complex last three substitutions below.
+ @if sed -e 's/ || .*//' -e 's/ && .*//' \
+ -e 's/ DESTDIR=[^ ]*/ /' -e 's/ SHELL=[^ ]*/ /' \
+ -e 's/ V=[^ ]*/ /' -e 's/ DISABLE_HARD_ERRORS=[^ ]*/ /' \
+ -e "s/ DISTCHECK_CONFIGURE_FLAGS='[^']*'/ /" \
+ -e 's/ DISTCHECK_CONFIGURE_FLAGS="[^"]*"/ /' \
+ -e 's/ DISTCHECK_CONFIGURE_FLAGS=[^ ]/ /' \
+ -e "s/ exp='[^']*'/ /" \
+ -e 's/ exp="[^"]*"/ /' \
+ -e 's/ exp=[^ ]/ /' \
+ $(filter-out %/am-test-lib.sh,$(xtests)) \
+ | grep '\$$MAKE .*='; then \
+ echo 'Rewrite "$$MAKE foo=bar" as "run_make foo=bar" in the lines above,'; \
+ echo 'it is more portable.'; \
+ exit 1; \
+ fi >&2
+ @if grep 'SHELL=.*\$$MAKE' $(xtests); then \
+ echo '$$MAKE ignores the SHELL envvar, use "run_make SHELL=$$SHELL"'; \
+ echo 'in the above lines.'; \
+ exit 1; \
+ fi >&2
+
+# Prefer use of our 'is_newest' auxiliary script over the more hacky
+# idiom "test $(ls -1t new old | sed 1q) = new", which is both more
+# cumbersome and more fragile.
+sc_tests_ls_t:
+ @if LC_ALL=C grep -E '\bls(\s+-[a-zA-Z0-9]+)*\s+-[a-zA-Z0-9]*t' \
+ $(xtests); then \
+ echo "Use 'is_newest' rather than hacks based on 'ls -t'" 1>&2; \
+ exit 1; \
+ fi
+
+# Never use 'sleep 1' to create files with different timestamps.
+# Use '$sleep' instead. Some file systems (e.g., Windows) have only
+# a 2sec resolution.
+sc_tests_plain_sleep:
+ @if grep -E '\bsleep +[12345]\b' $(xtests); then \
+ echo 'Do not use "sleep x" in the above tests. Use "$$sleep" instead.' 1>&2; \
+ exit 1; \
+ fi
+
+# fgrep and egrep are not required by POSIX.
+sc_m4_am_plain_egrep_fgrep:
+ @if grep -E '\b[ef]grep\b' $(ams) $(srcdir)/m4/*.m4; then \
+ echo 'Do not use egrep or fgrep in the above files,' \
+ 'they are not portable.' 1>&2; \
+ exit 1; \
+ fi
+
+# Prefer 'configure.ac' over the obsolescent 'configure.in' as the name
+# for configure input files in our testsuite. The latter has been
+# deprecated for several years (at least since autoconf 2.50).
+sc_tests_no_configure_in:
+ @if grep -E '\bconfigure\\*\.in\b' $(xtests) $(xdefs) \
+ | grep -Ev '/backcompat.*\.(sh|tap):' \
+ | grep -Ev '/autodist-configure-no-subdir\.sh:' \
+ | grep -Ev '/(configure|help)\.sh:' \
+ | grep .; \
+ then \
+ echo "Use 'configure.ac', not 'configure.in', as the name" >&2; \
+ echo "for configure input files in the test cases above." >&2; \
+ exit 1; \
+ fi
+
+# Rule to ensure that the testsuite has been run before. We don't depend
+# on 'check' here, because that would be very wasteful in the common case.
+# We could run "make check RECHECK_LOGS=" and avoid toplevel races with
+# AM_RECURSIVE_TARGETS. Suggest keeping test directories around for
+# greppability of the Makefile.in files.
+sc_ensure_testsuite_has_run:
+ @if test ! -f '$(TEST_SUITE_LOG)'; then \
+ echo 'Run "env keep_testdirs=yes make check" before' \
+ 'running "make maintainer-check"' >&2; \
+ exit 1; \
+ fi
+.PHONY: sc_ensure_testsuite_has_run
+
+# Ensure our warning and error messages do not contain duplicate 'warning:' prefixes.
+# This test actually depends on the testsuite having been run before.
+sc_tests_logs_duplicate_prefixes: sc_ensure_testsuite_has_run
+ @if grep -E '(warning|error):.*(warning|error):' t/*.log; then \
+ echo 'Duplicate warning/error message prefixes seen in above tests.' >&2; \
+ exit 1; \
+ fi
+
+# Ensure variables are listed before rules in Makefile.in files we generate.
+sc_tests_makefile_variable_order: sc_ensure_testsuite_has_run
+ @st=0; \
+ for file in `find t -name Makefile.in -print`; do \
+ latevars=`sed -n \
+ -e :x -e 's/#.*//' \
+ -e '/\\\\$$/{' -e N -e 'b x' -e '}' \
+ -e '# Literal TAB.' \
+ -e '1,/^ /d' \
+ -e '# Allow @ so we match conditionals.' \
+ -e '/^ *[a-zA-Z_@]\{1,\} *=/p' $$file`; \
+ if test -n "$$latevars"; then \
+ echo "Variables are expanded too late in $$file:" >&2; \
+ echo "$$latevars" | sed 's/^/ /' >&2; \
+ st=1; \
+ fi; \
+ done; \
+ test $$st -eq 0 || { \
+ echo 'Ensure variables are expanded before rules' >&2; \
+ exit 1; \
+ }
+
+# Using ':' as a PATH separator is not portable.
+sc_tests_PATH_SEPARATOR:
+ @if grep -E '\bPATH=.*:.*' $(xtests) ; then \
+ echo "Use '\$$PATH_SEPARATOR', not ':', in PATH definitions" \
+ "above." 1>&2; \
+ exit 1; \
+ fi
+
+# Try to make sure all @...@ substitutions are covered by our
+# substitution rule.
+sc_perl_at_substs:
+ @if test `grep -E '^[^#]*@[A-Za-z_0-9]+@' bin/aclocal | wc -l` -ne 0; then \
+ echo "Unresolved @...@ substitution in aclocal" 1>&2; \
+ exit 1; \
+ fi
+ @if test `grep -E '^[^#]*@[A-Za-z_0-9]+@' bin/automake | wc -l` -ne 0; then \
+ echo "Unresolved @...@ substitution in automake" 1>&2; \
+ exit 1; \
+ fi
+
+sc_unquoted_DESTDIR:
+ @if grep -E "[^\'\"]\\\$$\(DESTDIR" $(ams); then \
+ echo 'Suspicious unquoted DESTDIR uses.' 1>&2 ; \
+ exit 1; \
+ fi
+
+sc_tabs_in_texi:
+ @if grep ' ' $(srcdir)/doc/automake.texi; then \
+ echo 'Do not use tabs in the manual.' 1>&2; \
+ exit 1; \
+ fi
+
+sc_at_in_texi:
+ @if grep -E '([^@]|^)@([ ][^@]|$$)' $(srcdir)/doc/automake.texi; \
+ then \
+ echo 'Unescaped @.' 1>&2; \
+ exit 1; \
+ fi
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