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+## Make Autoconf tests.
+
+# Copyright (C) 2000-2012 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/>.
+
+# We don't actually distribute the built testsuite or package.m4, since one
+# only needs m4 to build them, and m4 is required to install Autoconf.
+# But if you are borrowing from this file for setting up autotest in your
+# project, remember to distribute both testsuite and package.m4.
+EXTRA_DIST = $(TESTSUITE_AT) local.at mktests.sh \
+ atlocal.in wrapper.as statesave.m4
+
+# Running the uninstalled scripts. Build them upon `all', for the manpages.
+noinst_SCRIPTS = $(wrappers)
+DISTCLEANFILES = atconfig atlocal $(TESTSUITE)
+MAINTAINERCLEANFILES = Makefile.in
+
+# Import the dependencies on Autotest and M4sh.
+include ../lib/freeze.mk
+
+
+## ------------ ##
+## package.m4. ##
+## ------------ ##
+
+# The `:;' works around a redirected compound command bash exit status bug.
+package.m4: Makefile
+ :;{ \
+ echo '# Signature of the current package.' && \
+ echo 'm4_define([AT_PACKAGE_NAME], [$(PACKAGE_NAME)])' && \
+ echo 'm4_define([AT_PACKAGE_TARNAME], [$(PACKAGE_TARNAME)])' && \
+ echo 'm4_define([AT_PACKAGE_VERSION], [$(PACKAGE_VERSION)])' && \
+ echo 'm4_define([AT_PACKAGE_STRING], [$(PACKAGE_STRING)])' && \
+ echo 'm4_define([AT_PACKAGE_BUGREPORT], [$(PACKAGE_BUGREPORT)])' && \
+ echo 'm4_define([AT_PACKAGE_URL], [$(PACKAGE_URL)])'; \
+ } > $@-t
+ mv $@-t $@
+
+
+
+## ---------- ##
+## Wrappers. ##
+## ---------- ##
+
+wrappers = autoconf autoheader autom4te autoreconf autoscan autoupdate ifnames
+CLEANFILES = wrapper.in $(wrappers) package.m4
+
+wrapper.in: $(srcdir)/wrapper.as $(m4sh_m4f_dependencies)
+ $(MY_AUTOM4TE) --language=M4sh $(srcdir)/wrapper.as -o $@
+
+edit = sed \
+ -e 's|@wrap_program[@]|$@|g' \
+ -e 's|@abs_top_srcdir[@]|@abs_top_srcdir@|g' \
+ -e 's|@abs_top_builddir[@]|@abs_top_builddir@|g' \
+ -e "s|@configure_input[@]|Generated from $$input.|g"
+
+$(wrappers): wrapper.in
+ rm -f $@ $@.tmp
+ input=wrapper.in; \
+ $(edit) wrapper.in >$@.tmp
+ chmod +x $@.tmp
+ chmod a-w $@.tmp
+ mv -f $@.tmp $@
+
+
+
+## ------------ ##
+## Test suite. ##
+## ------------ ##
+
+TESTSUITE_GENERATED_AT = \
+ $(srcdir)/aclang.at \
+ $(srcdir)/acc.at \
+ $(srcdir)/acfortran.at \
+ $(srcdir)/acgo.at \
+ $(srcdir)/acgeneral.at \
+ $(srcdir)/acstatus.at \
+ $(srcdir)/acautoheader.at \
+ $(srcdir)/acautoupdate.at \
+ $(srcdir)/acspecific.at \
+ $(srcdir)/acfunctions.at \
+ $(srcdir)/acheaders.at \
+ $(srcdir)/actypes.at \
+ $(srcdir)/aclibs.at \
+ $(srcdir)/acprograms.at
+
+TESTSUITE_HAND_AT = \
+ suite.at \
+ m4sugar.at m4sh.at autotest.at \
+ base.at tools.at torture.at \
+ compile.at c.at erlang.at fortran.at go.at \
+ semantics.at \
+ autoscan.at \
+ foreign.at
+
+TESTSUITE_AT = $(TESTSUITE_GENERATED_AT) $(TESTSUITE_HAND_AT)
+TESTSUITE = ./testsuite
+
+# Run the non installed autom4te.
+# Don't use AUTOM4TE since `make alpha' makes it unavailable although
+# we are allowed to use it (since we ship it).
+AUTOTEST = $(MY_AUTOM4TE) --language=autotest
+$(TESTSUITE): package.m4 \
+ local.at \
+ $(TESTSUITE_AT) \
+ $(autotest_m4f_dependencies)
+ cd $(top_builddir)/lib/autotest && $(MAKE) $(AM_MAKEFLAGS) autotest.m4f
+ $(AUTOTEST) -I . -I $(srcdir) suite.at -o $@.tmp
+ mv $@.tmp $@
+
+atconfig: $(top_builddir)/config.status
+ cd $(top_builddir) && ./config.status tests/$@
+
+# Avoid a race condition that would make parallel "distclean" fail.
+# The rule in clean-local tests for existence of $(TESTSUITE), and
+# if found, attempts to run it. But the distclean-generic rule may
+# be running in parallel, and it removes $(DISTCLEANFILES) which
+# includes $(TESTSUITE). This is the Automake rule, plus our
+# dependency, and we silence the warning from 'automake -Wall' by
+# hiding the dependency behind a variable.
+# TODO - fix this if newer automake accommodates the dependency.
+distclean_generic = distclean-generic
+$(distclean_generic): clean-local
+
+clean-local:
+ test ! -f $(TESTSUITE) || $(SHELL) $(TESTSUITE) --clean
+ rm -f *.tmp
+ rm -f -r autom4te.cache
+
+check-local: atconfig atlocal $(TESTSUITE)
+ $(SHELL) $(TESTSUITE) $(TESTSUITEFLAGS)
+
+# Run the test suite on the *installed* tree.
+installcheck-local: atconfig atlocal $(TESTSUITE)
+ $(SHELL) $(TESTSUITE) AUTOTEST_PATH="$(bindir)" $(TESTSUITEFLAGS)
+
+
+
+## ------------------ ##
+## Maintainer rules. ##
+## ------------------ ##
+
+MAINTAINERCLEANFILES += $(TESTSUITE_GENERATED_AT)
+
+## Producing the test files.
+
+# The files which contain macros we check for syntax. Use $(top_srcdir)
+# for the benefit of non-GNU make. Fix the names in the rule below
+# where we `cd' to $srcdir.
+autoconfdir = $(top_srcdir)/lib/autoconf
+AUTOCONF_FILES = $(autoconfdir)/general.m4 \
+ $(autoconfdir)/status.m4 \
+ $(autoconfdir)/autoheader.m4 \
+ $(autoconfdir)/autoupdate.m4 \
+ $(autoconfdir)/specific.m4 \
+ $(autoconfdir)/functions.m4 \
+ $(autoconfdir)/lang.m4 \
+ $(autoconfdir)/c.m4 \
+ $(autoconfdir)/erlang.m4 \
+ $(autoconfdir)/fortran.m4 \
+ $(autoconfdir)/go.m4 \
+ $(autoconfdir)/headers.m4 \
+ $(autoconfdir)/libs.m4 \
+ $(autoconfdir)/types.m4 \
+ $(autoconfdir)/programs.m4
+
+$(TESTSUITE_GENERATED_AT): mktests.stamp
+## Recover from the removal of $@
+ @if test -f $@; then :; else \
+ rm -f mktests.stamp; \
+ $(MAKE) $(AM_MAKEFLAGS) mktests.stamp; \
+ fi
+
+mktests.stamp : mktests.sh $(AUTOCONF_FILES)
+ @rm -f mktests.tmp
+ @touch mktests.tmp
+ cd $(srcdir) && ./mktests.sh \
+ `echo " "$(AUTOCONF_FILES) | sed 's, [^ ]*/, ../lib/autoconf/,g'`
+ @mv -f mktests.tmp $@
+
+## Distribute the stamp file, since we distribute the generated files.
+EXTRA_DIST += mktests.stamp
+CLEANFILES += mktests.tmp
+MAINTAINERCLEANFILES += mktests.stamp
+
+## maintainer-check ##
+
+# These cannot be run in parallel.
+maintainer-check:
+ $(MAKE) $(AM_MAKEFLAGS) maintainer-check-posix
+ $(MAKE) $(AM_MAKEFLAGS) maintainer-check-c++
+
+# The hairy heredoc is more robust than using echo.
+CLEANFILES += expr
+expr:
+ :;{ \
+ echo '#! $(SHELL)'; \
+ echo 'result=`$(EXPR) "$$@"`'; \
+ echo 'estatus=$$?'; \
+ echo 'cat <<EOF'; \
+ echo '$${result:-0}'; \
+ echo 'EOF'; \
+ echo 'exit $$estatus'; \
+ } > $@-t
+ chmod +x $@-t
+ mv $@-t $@
+
+# Try the test suite with more severe environments.
+maintainer-check-posix: expr
+ POSIXLY_CORRECT=yes $(MAKE) $(AM_MAKEFLAGS) check
+ rm expr
+
+# Try using G++ as a C compiler.
+maintainer-check-c++:
+ CC=g++ $(MAKE) $(AM_MAKEFLAGS) check