gdb/testsuite/Makefile.in - binutils-gdb - Git at Google

 # Makefile for regression testing the GNU debugger.
 # Copyright 1992-2021 Free Software Foundation, Inc.

 # This file is part of GDB.

 # 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/>.

 VPATH = @srcdir@
 srcdir = @srcdir@
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 abs_builddir = @abs_builddir@
 abs_srcdir = @abs_srcdir@

 target_alias = @target_noncanonical@
 program_transform_name = @program_transform_name@
 build_canonical = @build@
 host_canonical = @host@
 target_canonical = @target@
 enable_libctf = @enable_libctf@

 SHELL = @SHELL@
 EXEEXT = @EXEEXT@
 SUBDIRS = @subdirs@
 RPATH_ENVVAR = @RPATH_ENVVAR@

 CC=@CC@

 EXPECT = `if [ "$${READ1}" != "" ] ; then \
             echo $${rootme}/expect-read1; \
           elif [ "$${READMORE}" != "" ] ; then \
             echo $${rootme}/expect-readmore; \
           elif [ -f $${rootme}/../../expect/expect ] ; then \
             echo $${rootme}/../../expect/expect ; \
           else \
             echo expect ; \
           fi`

 RUNTEST = $(RUNTEST_FOR_TARGET)

 RUNTESTFLAGS =

 FORCE_PARALLEL =

 GDB_DEBUG =
 GDBSERVER_DEBUG =

 # Default number of iterations that we will use to run the testsuite
 # if the user does not specify the RACY_ITER environment variable
 # (e.g., when the user calls the make rule directly from the command
 # line).
 DEFAULT_RACY_ITER = 3

 RUNTEST_FOR_TARGET = `\
   if [ -f $${srcdir}/../../dejagnu/runtest ]; then \
     echo $${srcdir}/../../dejagnu/runtest; \
   else \
     if [ "$(host_canonical)" = "$(target_canonical)" ]; then \
       echo runtest; \
     else \
       t='$(program_transform_name)'; echo runtest | sed -e $$t; \
     fi; \
   fi`

 #### host, target, and site specific Makefile frags come in here.

 # The use of $$(x_FOR_TARGET) reduces the command line length by not
 # duplicating the lengthy definition.

 TARGET_FLAGS_TO_PASS = \
         "prefix=$(prefix)" \
         "exec_prefix=$(exec_prefix)" \
         "against=$(against)" \
         'CC=$$(CC_FOR_TARGET)' \
         "CC_FOR_TARGET=$(CC_FOR_TARGET)" \
         "CFLAGS=$(TESTSUITE_CFLAGS)" \
         'CXX=$$(CXX_FOR_TARGET)' \
         "CXX_FOR_TARGET=$(CXX_FOR_TARGET)" \
         "CXXFLAGS=$(CXXFLAGS)" \
         "MAKEINFO=$(MAKEINFO)" \
         "INSTALL=$(INSTALL)" \
         "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
         "INSTALL_DATA=$(INSTALL_DATA)" \
         "LDFLAGS=$(LDFLAGS)" \
         "LIBS=$(LIBS)" \
         "RUNTEST=$(RUNTEST)" \
         "RUNTESTFLAGS=$(RUNTESTFLAGS)"

 all:
 	@:

 .NOEXPORT:
 INFODIRS=doc
 info:
 install-info:
 dvi:
 pdf:
 install-pdf:
 html:
 install-html:

 install:

 uninstall: force

 # Use absolute `site.exp' path everywhere to suppress VPATH lookups for it.
 # Bare `site.exp' is used as a target here if user requests it explicitly.
 # $(RUNTEST) is looking up `site.exp' only in the current directory.

 $(abs_builddir)/site.exp site.exp: Makefile
 	$(ECHO_GEN) \
 	rm -f ./tmp?; \
 	touch site.exp; \
 	mv site.exp site.bak; \
 	echo "## these variables are automatically generated by make ##" > ./tmp0; \
 	echo "# Do not edit here. If you wish to override these values" >> ./tmp0; \
 	echo "# add them to the last section" >> ./tmp0; \
 	echo "set host_triplet ${host_canonical}" >> ./tmp0; \
 	echo "set target_alias $(target_alias)" >> ./tmp0; \
 	echo "set target_triplet ${target_canonical}" >> ./tmp0; \
 	echo "set build_triplet ${build_canonical}" >> ./tmp0; \
 	echo "set srcdir ${abs_srcdir}" >> ./tmp0; \
 	echo "set tool gdb" >> ./tmp0; \
 	echo "set enable_libctf ${enable_libctf}" >> ./tmp0; \
 	echo 'source $${srcdir}/lib/append_gdb_boards_dir.exp' >> ./tmp0; \
 	echo "## All variables above are generated by configure. Do Not Edit ##" >> ./tmp0; \
 	cat ./tmp0 > site.exp; \
 	cat site.bak | sed \
 			-e '1,/^## All variables above are.*##/ d' >> site.exp; \
 	rm -f ./tmp?

 installcheck:

 # See whether -j was given to make.  Before GNU make 4.2, either it was
 # given with no arguments, and appears as "j" in the first word, or it was
 # given an argument and appears as "-j" in a separate word.  Starting with
 # GNU make 4.2, it always appears as "-j"/"-jN" in a separate word.
 saw_dash_j = $(or $(findstring j,$(firstword $(MAKEFLAGS))),$(filter -j%,$(MAKEFLAGS)))

 # Try to run the tests in parallel if any -j option is given.  If RUNTESTFLAGS
 # is not empty, then by default the tests will be serialized.  This can be
 # overridden by setting FORCE_PARALLEL to any non-empty value.
 CHECK_TARGET_TMP = $(if $(FORCE_PARALLEL),check-parallel,$(if $(RUNTESTFLAGS),check-single,$(if $(saw_dash_j),check-parallel,check-single)))
 CHECK_TARGET = $(if $(RACY_ITER),$(addsuffix -racy,$(CHECK_TARGET_TMP)),$(CHECK_TARGET_TMP))

 # Note that we must resort to a recursive make invocation here,
 # because GNU make 3.82 has a bug preventing MAKEFLAGS from being used
 # in conditions.
 check: all $(abs_builddir)/site.exp
 	$(MAKE) $(CHECK_TARGET)

 check-read1: read1.so expect-read1
 	$(MAKE) READ1="1" check

 check-readmore: readmore.so expect-readmore
 	$(MAKE) READMORE="1" check

 # Check whether we need to print the timestamp for each line of
 # status.
 TIMESTAMP = $(if $(TS),| $(srcdir)/print-ts.py $(if $(TS_FORMAT),$(TS_FORMAT),),)

 gdb_debug = $(if $(GDB_DEBUG),GDB_DEBUG=$(GDB_DEBUG) ; export GDB_DEBUG ;,)
 gdbserver_debug = $(if $(GDBSERVER_DEBUG),GDBSERVER_DEBUG=$(GDBSERVER_DEBUG) ; export GDBSERVER_DEBUG ;,)


 # All the hair to invoke dejagnu.  A given invocation can just append
 # $(RUNTESTFLAGS)
 DO_RUNTEST = \
 	rootme=`pwd`; export rootme; \
 	srcdir=${srcdir} ; export srcdir ; \
 	EXPECT=${EXPECT} ; export EXPECT ; \
 	EXEEXT=${EXEEXT} ; export EXEEXT ;  $(gdb_debug) $(gdbserver_debug) \
         $(RPATH_ENVVAR)=$$rootme/../../expect:$$rootme/../../libstdc++:$$rootme/../../tk/unix:$$rootme/../../tcl/unix:$$rootme/../../bfd:$$rootme/../../opcodes:$$$(RPATH_ENVVAR); \
 	export $(RPATH_ENVVAR); \
 	if [ -f $${rootme}/../../expect/expect ] ; then  \
 	  TCL_LIBRARY=$${srcdir}/../../tcl/library ; \
 	  export TCL_LIBRARY ; fi ; \
 	$(RUNTEST) --status

 # TESTS exists for the user to pass on the command line to easily
 # say "Only run these tests."  With check-single it's not necessary, but
 # with check-parallel there's no other way to (easily) specify a subset
 # of tests.  For consistency we support it for check-single as well.
 # To specify all tests in a subdirectory, use TESTS=gdb.subdir/*.exp.
 # E.g., make check TESTS="gdb.server/*.exp gdb.threads/*.exp".
 TESTS :=

 ifeq ($(strip $(TESTS)),)
 expanded_tests_or_none :=
 else
 expanded_tests := $(patsubst $(srcdir)/%,%,$(wildcard $(addprefix $(srcdir)/,$(TESTS))))
 expanded_tests_or_none := $(or $(expanded_tests),no-matching-tests-found)
 endif

 # Shorthand for running all the tests in a single directory.
 check-gdb.%:
 	$(MAKE) check TESTS="gdb.$*/*.exp"

 check-single:
 	$(DO_RUNTEST) $(RUNTESTFLAGS) $(expanded_tests_or_none) $(TIMESTAMP)

 check-single-racy:
 	-rm -rf cache racy_outputs temp
 	mkdir -p racy_outputs; \
 	racyiter="$(RACY_ITER)"; \
 	test "x$$racyiter" = "x" && \
 	  racyiter=$(DEFAULT_RACY_ITER); \
 	if test $$racyiter -lt 2 ; then \
 	  echo "RACY_ITER must be at least 2."; \
 	  exit 1; \
 	fi; \
 	trap "exit" INT; \
 	for n in `seq $$racyiter` ; do \
 	  mkdir -p racy_outputs/$$n; \
 	  $(DO_RUNTEST) --outdir=racy_outputs/$$n $(RUNTESTFLAGS) \
 	    $(expanded_tests_or_none) $(TIMESTAMP); \
 	done; \
 	$(srcdir)/analyze-racy-logs.py \
 	  `ls racy_outputs/*/gdb.sum` > racy.sum; \
 	sed -n '/=== gdb Summary ===/,$$ p' racy.sum

 check-parallel:
 	-rm -rf cache outputs temp
 	$(MAKE) -k do-check-parallel; \
 	result=$$?; \
 	$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
 	  `find outputs -name gdb.sum -print` > gdb.sum; \
 	$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
 	  `find outputs -name gdb.log -print` > gdb.log; \
 	sed -n '/=== gdb Summary ===/,$$ p' gdb.sum; \
 	exit $$result

 check-parallel-racy:
 	-rm -rf cache racy_outputs temp
 	racyiter="$(RACY_ITER)"; \
 	test "x$$racyiter" = "x" && \
 	  racyiter=$(DEFAULT_RACY_ITER); \
 	if test $$racyiter -lt 2 ; then \
 	  echo "RACY_ITER must be at least 2."; \
 	  exit 1; \
 	fi; \
 	trap "exit" INT; \
 	for n in `seq $$racyiter` ; do \
 	  $(MAKE) -k do-check-parallel-racy \
 	    RACY_OUTPUT_N=$$n; \
 	  $(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
 	    `find racy_outputs/$$n -name gdb.sum -print` > \
 	    racy_outputs/$$n/gdb.sum; \
 	  $(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
 	    `find racy_outputs/$$n -name gdb.log -print` > \
 	    racy_outputs/$$n/gdb.log; \
 	  sed -n '/=== gdb Summary ===/,$$ p' racy_outputs/$$n/gdb.sum; \
 	done; \
 	$(srcdir)/analyze-racy-logs.py \
 	  `ls racy_outputs/*/gdb.sum` > racy.sum; \
 	sed -n '/=== gdb Summary ===/,$$ p' racy.sum

 # Turn a list of .exp files into "check/" targets.  Only examine .exp
 # files appearing in a gdb.* directory -- we don't want to pick up
 # lib/ by mistake.  For example, gdb.linespec/linespec.exp becomes
 # check/gdb.linespec/linespec.exp.  The list is generally sorted
 # alphabetically, but we take a few tests known to be slow and push
 # them to the front of the list to try to lessen the overall time
 # taken by the test suite -- if one of these tests happens to be run
 # late, it will cause the overall time to increase.
 ifeq ($(strip $(TESTS)),)
 slow_tests = gdb.base/break-interp.exp gdb.base/interp.exp \
 	gdb.base/multi-forks.exp
 all_tests := $(shell cd $(srcdir) && find gdb.* -name '*.exp' -print)
 reordered_tests := $(slow_tests) $(filter-out $(slow_tests),$(all_tests))
 TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(reordered_tests))
 else
 TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(expanded_tests_or_none))
 endif

 do-check-parallel: $(TEST_TARGETS)
 	@:

 check/%.exp:
 	-mkdir -p outputs/$*
 	@$(DO_RUNTEST) GDB_PARALLEL=yes --outdir=outputs/$* $*.exp $(RUNTESTFLAGS) $(TIMESTAMP)

 do-check-parallel-racy: $(TEST_TARGETS)
 	@:

 check-racy/%.exp:
 	-mkdir -p racy_outputs/$(RACY_OUTPUT_N)/$*
 	$(DO_RUNTEST) GDB_PARALLEL=yes \
 	  --outdir=racy_outputs/$(RACY_OUTPUT_N)/$* $*.exp \
 	  $(RUNTESTFLAGS) $(TIMESTAMP)

 check/no-matching-tests-found:
 	@echo ""
 	@echo "No matching tests found."
 	@echo ""

 # Utility rule invoked by step 2 of the build-perf rule.
 workers/%.worker:
 	mkdir -p gdb.perf/outputs/$*
 	$(DO_RUNTEST) --outdir=gdb.perf/outputs/$* lib/build-piece.exp WORKER=$* GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=build-pieces $(TIMESTAMP)

 # Utility rule to build tests that support it in parallel.
 # The build is broken into 3 steps distinguished by GDB_PERFTEST_SUBMODE:
 # gen-workers, build-pieces, final.
 #
 # GDB_PERFTEST_MODE appears *after* RUNTESTFLAGS here because we don't want
 # anything in RUNTESTFLAGS to override it.
 #
 # We don't delete the outputs directory here as these programs can take
 # awhile to build, and perftest.exp has support for deciding whether to
 # recompile them.  If you want to remove these directories, make clean.
 #
 # The point of step 1 is to construct the set of worker tasks for step 2.
 # All of the information needed by build-piece.exp is contained in the name
 # of the generated .worker file.
 build-perf: $(abs_builddir)/site.exp
 	rm -rf gdb.perf/workers
 	mkdir -p gdb.perf/workers
 	@: Step 1: Generate the build .worker files.
 	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf/workers GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=gen-workers $(TIMESTAMP)
 	@: Step 2: Compile the pieces.  Here is the build parallelism.
 	$(MAKE) $$(cd gdb.perf && echo workers/*/*.worker)
 	@: Step 3: Do the final link.
 	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=final $(TIMESTAMP)

 # The default is to both compile and run the tests.
 GDB_PERFTEST_MODE = both

 check-perf: all $(abs_builddir)/site.exp
 	@if test ! -d gdb.perf; then mkdir gdb.perf; fi
 	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PERFTEST_MODE=$(GDB_PERFTEST_MODE) $(RUNTESTFLAGS) $(TIMESTAMP)

 force:;

 clean mostlyclean:
 	-rm -f *~ core *.o a.out xgdb *.x *.grt bigcore.corefile .gdb_history
 	-rm -f core.* *.tf *.cl tracecommandsscript copy1.txt zzz-gdbscript
 	-rm -f *.dwo *.dwp
 	-rm -rf outputs temp cache
 	-rm -rf gdb.perf/workers gdb.perf/outputs gdb.perf/temp gdb.perf/cache
 	-rm -f read1.so expect-read1 readmore.so expect-readmore

 distclean maintainer-clean realclean: clean
 	-rm -f *~ core
 	-rm -f Makefile config.status *-init.exp
 	-rm -fr *.log summary detail *.plog *.sum *.psum site.*

 Makefile : Makefile.in config.status $(host_makefile_frag)
 	$(SHELL) config.status Makefile

 lib/pdtrace: pdtrace.in config.status
 	$(SHELL) config.status lib/pdtrace

 config.status: configure
 	$(SHELL) config.status --recheck

 TAGS: force
 	find $(srcdir) -name '*.exp' -print | \
 	    etags \
 		--regex='/\(proc\|proc_with_prefix\|gdb_caching_proc\)[ \t]+\([^ \t]+\)/\2/' \
 		-

 # Build the expect wrapper script that preloads the read1.so library.
 expect-read1 expect-readmore:
 	$(ECHO_GEN) \
 	rm -f $@-tmp; \
 	touch $@-tmp; \
 	echo "# THIS FILE IS GENERATED -*- buffer-read-only: t -*- \n" >>$@-tmp; \
 	echo "# vi:set ro: */\n\n" >>$@-tmp; \
 	echo "# To regenerate this file, run:\n" >>$@-tmp; \
 	echo "#      make clean; make/\n" >>$@-tmp; \
 	if [ $@ = expect-read1 ]; then \
 	  echo "export LD_PRELOAD=`pwd`/read1.so" >>$@-tmp; \
 	else \
 	  echo "export LD_PRELOAD=`pwd`/readmore.so" >>$@-tmp; \
 	fi; \
 	echo 'exec expect "$$@"' >>$@-tmp; \
 	chmod +x $@-tmp; \
 	mv $@-tmp $@

 # Build the read1.so preload library.  This overrides the `read'
 # function, making it read one byte at a time.  Running the testsuite
 # with this catches racy tests.
 read1.so: lib/read1.c
 	$(ECHO_CC) $(CC) -o $@ ${srcdir}/lib/read1.c -Wall -g -shared -fPIC $(CFLAGS)

 # Build the readmore.so preload library.  This overrides the `read'
 # function, making it try harder to read more at a time.  Running the
 # testsuite with this catches racy tests.
 readmore.so: lib/read1.c
 	$(ECHO_CC) $(CC) -o $@ ${srcdir}/lib/read1.c -Wall -g -shared -fPIC \
 	  $(CFLAGS) -DREADMORE

 # Build the read1 machinery.
 .PHONY: read1 readmore
 read1: read1.so expect-read1
 readmore: readmore.so expect-readmore

 # Disable implicit make rules.
 include $(srcdir)/../disable-implicit-rules.mk
 include $(srcdir)/../silent-rules.mk
	# Makefile for regression testing the GNU debugger.
	# Copyright 1992-2021 Free Software Foundation, Inc.

	# This file is part of GDB.

	# 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/>.

	VPATH = @srcdir@
	srcdir = @srcdir@
	prefix = @prefix@
	exec_prefix = @exec_prefix@
	abs_builddir = @abs_builddir@
	abs_srcdir = @abs_srcdir@

	target_alias = @target_noncanonical@
	program_transform_name = @program_transform_name@
	build_canonical = @build@
	host_canonical = @host@
	target_canonical = @target@
	enable_libctf = @enable_libctf@

	SHELL = @SHELL@
	EXEEXT = @EXEEXT@
	SUBDIRS = @subdirs@
	RPATH_ENVVAR = @RPATH_ENVVAR@

	CC=@CC@

	EXPECT = `if [ "$${READ1}" != "" ] ; then \
	echo $${rootme}/expect-read1; \
	elif [ "$${READMORE}" != "" ] ; then \
	echo $${rootme}/expect-readmore; \
	elif [ -f $${rootme}/../../expect/expect ] ; then \
	echo $${rootme}/../../expect/expect ; \
	else \
	echo expect ; \
	fi`

	RUNTEST = $(RUNTEST_FOR_TARGET)

	RUNTESTFLAGS =

	FORCE_PARALLEL =

	GDB_DEBUG =
	GDBSERVER_DEBUG =

	# Default number of iterations that we will use to run the testsuite
	# if the user does not specify the RACY_ITER environment variable
	# (e.g., when the user calls the make rule directly from the command
	# line).
	DEFAULT_RACY_ITER = 3

	RUNTEST_FOR_TARGET = `\
	if [ -f $${srcdir}/../../dejagnu/runtest ]; then \
	echo $${srcdir}/../../dejagnu/runtest; \
	else \
	if [ "$(host_canonical)" = "$(target_canonical)" ]; then \
	echo runtest; \
	else \
	t='$(program_transform_name)'; echo runtest \| sed -e $$t; \
	fi; \
	fi`

	#### host, target, and site specific Makefile frags come in here.

	# The use of $$(x_FOR_TARGET) reduces the command line length by not
	# duplicating the lengthy definition.

	TARGET_FLAGS_TO_PASS = \
	"prefix=$(prefix)" \
	"exec_prefix=$(exec_prefix)" \
	"against=$(against)" \
	'CC=$$(CC_FOR_TARGET)' \
	"CC_FOR_TARGET=$(CC_FOR_TARGET)" \
	"CFLAGS=$(TESTSUITE_CFLAGS)" \
	'CXX=$$(CXX_FOR_TARGET)' \
	"CXX_FOR_TARGET=$(CXX_FOR_TARGET)" \
	"CXXFLAGS=$(CXXFLAGS)" \
	"MAKEINFO=$(MAKEINFO)" \
	"INSTALL=$(INSTALL)" \
	"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
	"INSTALL_DATA=$(INSTALL_DATA)" \
	"LDFLAGS=$(LDFLAGS)" \
	"LIBS=$(LIBS)" \
	"RUNTEST=$(RUNTEST)" \
	"RUNTESTFLAGS=$(RUNTESTFLAGS)"

	all:
	@:

	.NOEXPORT:
	INFODIRS=doc
	info:
	install-info:
	dvi:
	pdf:
	install-pdf:
	html:
	install-html:

	install:

	uninstall: force

	# Use absolute `site.exp' path everywhere to suppress VPATH lookups for it.
	# Bare `site.exp' is used as a target here if user requests it explicitly.
	# $(RUNTEST) is looking up `site.exp' only in the current directory.

	$(abs_builddir)/site.exp site.exp: Makefile
	$(ECHO_GEN) \
	rm -f ./tmp?; \
	touch site.exp; \
	mv site.exp site.bak; \
	echo "## these variables are automatically generated by make ##" > ./tmp0; \
	echo "# Do not edit here. If you wish to override these values" >> ./tmp0; \
	echo "# add them to the last section" >> ./tmp0; \
	echo "set host_triplet ${host_canonical}" >> ./tmp0; \
	echo "set target_alias $(target_alias)" >> ./tmp0; \
	echo "set target_triplet ${target_canonical}" >> ./tmp0; \
	echo "set build_triplet ${build_canonical}" >> ./tmp0; \
	echo "set srcdir ${abs_srcdir}" >> ./tmp0; \
	echo "set tool gdb" >> ./tmp0; \
	echo "set enable_libctf ${enable_libctf}" >> ./tmp0; \
	echo 'source $${srcdir}/lib/append_gdb_boards_dir.exp' >> ./tmp0; \
	echo "## All variables above are generated by configure. Do Not Edit ##" >> ./tmp0; \
	cat ./tmp0 > site.exp; \
	cat site.bak \| sed \
	-e '1,/^## All variables above are.*##/ d' >> site.exp; \
	rm -f ./tmp?

	installcheck:

	# See whether -j was given to make. Before GNU make 4.2, either it was
	# given with no arguments, and appears as "j" in the first word, or it was
	# given an argument and appears as "-j" in a separate word. Starting with
	# GNU make 4.2, it always appears as "-j"/"-jN" in a separate word.
	saw_dash_j = $(or $(findstring j,$(firstword $(MAKEFLAGS))),$(filter -j%,$(MAKEFLAGS)))

	# Try to run the tests in parallel if any -j option is given. If RUNTESTFLAGS
	# is not empty, then by default the tests will be serialized. This can be
	# overridden by setting FORCE_PARALLEL to any non-empty value.
	CHECK_TARGET_TMP = $(if $(FORCE_PARALLEL),check-parallel,$(if $(RUNTESTFLAGS),check-single,$(if $(saw_dash_j),check-parallel,check-single)))
	CHECK_TARGET = $(if $(RACY_ITER),$(addsuffix -racy,$(CHECK_TARGET_TMP)),$(CHECK_TARGET_TMP))

	# Note that we must resort to a recursive make invocation here,
	# because GNU make 3.82 has a bug preventing MAKEFLAGS from being used
	# in conditions.
	check: all $(abs_builddir)/site.exp
	$(MAKE) $(CHECK_TARGET)

	check-read1: read1.so expect-read1
	$(MAKE) READ1="1" check

	check-readmore: readmore.so expect-readmore
	$(MAKE) READMORE="1" check

	# Check whether we need to print the timestamp for each line of
	# status.
	TIMESTAMP = $(if $(TS),\| $(srcdir)/print-ts.py $(if $(TS_FORMAT),$(TS_FORMAT),),)

	gdb_debug = $(if $(GDB_DEBUG),GDB_DEBUG=$(GDB_DEBUG) ; export GDB_DEBUG ;,)
	gdbserver_debug = $(if $(GDBSERVER_DEBUG),GDBSERVER_DEBUG=$(GDBSERVER_DEBUG) ; export GDBSERVER_DEBUG ;,)


	# All the hair to invoke dejagnu. A given invocation can just append
	# $(RUNTESTFLAGS)
	DO_RUNTEST = \
	rootme=`pwd`; export rootme; \
	srcdir=${srcdir} ; export srcdir ; \
	EXPECT=${EXPECT} ; export EXPECT ; \
	EXEEXT=${EXEEXT} ; export EXEEXT ; $(gdb_debug) $(gdbserver_debug) \
	$(RPATH_ENVVAR)=$$rootme/../../expect:$$rootme/../../libstdc++:$$rootme/../../tk/unix:$$rootme/../../tcl/unix:$$rootme/../../bfd:$$rootme/../../opcodes:$$$(RPATH_ENVVAR); \
	export $(RPATH_ENVVAR); \
	if [ -f $${rootme}/../../expect/expect ] ; then \
	TCL_LIBRARY=$${srcdir}/../../tcl/library ; \
	export TCL_LIBRARY ; fi ; \
	$(RUNTEST) --status

	# TESTS exists for the user to pass on the command line to easily
	# say "Only run these tests." With check-single it's not necessary, but
	# with check-parallel there's no other way to (easily) specify a subset
	# of tests. For consistency we support it for check-single as well.
	# To specify all tests in a subdirectory, use TESTS=gdb.subdir/*.exp.
	# E.g., make check TESTS="gdb.server/.exp gdb.threads/.exp".
	TESTS :=

	ifeq ($(strip $(TESTS)),)
	expanded_tests_or_none :=
	else
	expanded_tests := $(patsubst $(srcdir)/%,%,$(wildcard $(addprefix $(srcdir)/,$(TESTS))))
	expanded_tests_or_none := $(or $(expanded_tests),no-matching-tests-found)
	endif

	# Shorthand for running all the tests in a single directory.
	check-gdb.%:
	$(MAKE) check TESTS="gdb.$/.exp"

	check-single:
	$(DO_RUNTEST) $(RUNTESTFLAGS) $(expanded_tests_or_none) $(TIMESTAMP)

	check-single-racy:
	-rm -rf cache racy_outputs temp
	mkdir -p racy_outputs; \
	racyiter="$(RACY_ITER)"; \
	test "x$$racyiter" = "x" && \
	racyiter=$(DEFAULT_RACY_ITER); \
	if test $$racyiter -lt 2 ; then \
	echo "RACY_ITER must be at least 2."; \
	exit 1; \
	fi; \
	trap "exit" INT; \
	for n in `seq $$racyiter` ; do \
	mkdir -p racy_outputs/$$n; \
	$(DO_RUNTEST) --outdir=racy_outputs/$$n $(RUNTESTFLAGS) \
	$(expanded_tests_or_none) $(TIMESTAMP); \
	done; \
	$(srcdir)/analyze-racy-logs.py \
	`ls racy_outputs/*/gdb.sum` > racy.sum; \
	sed -n '/=== gdb Summary ===/,$$ p' racy.sum

	check-parallel:
	-rm -rf cache outputs temp
	$(MAKE) -k do-check-parallel; \
	result=$$?; \
	$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
	`find outputs -name gdb.sum -print` > gdb.sum; \
	$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
	`find outputs -name gdb.log -print` > gdb.log; \
	sed -n '/=== gdb Summary ===/,$$ p' gdb.sum; \
	exit $$result

	check-parallel-racy:
	-rm -rf cache racy_outputs temp
	racyiter="$(RACY_ITER)"; \
	test "x$$racyiter" = "x" && \
	racyiter=$(DEFAULT_RACY_ITER); \
	if test $$racyiter -lt 2 ; then \
	echo "RACY_ITER must be at least 2."; \
	exit 1; \
	fi; \
	trap "exit" INT; \
	for n in `seq $$racyiter` ; do \
	$(MAKE) -k do-check-parallel-racy \
	RACY_OUTPUT_N=$$n; \
	$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
	`find racy_outputs/$$n -name gdb.sum -print` > \
	racy_outputs/$$n/gdb.sum; \
	$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
	`find racy_outputs/$$n -name gdb.log -print` > \
	racy_outputs/$$n/gdb.log; \
	sed -n '/=== gdb Summary ===/,$$ p' racy_outputs/$$n/gdb.sum; \
	done; \
	$(srcdir)/analyze-racy-logs.py \
	`ls racy_outputs/*/gdb.sum` > racy.sum; \
	sed -n '/=== gdb Summary ===/,$$ p' racy.sum

	# Turn a list of .exp files into "check/" targets. Only examine .exp
	# files appearing in a gdb.* directory -- we don't want to pick up
	# lib/ by mistake. For example, gdb.linespec/linespec.exp becomes
	# check/gdb.linespec/linespec.exp. The list is generally sorted
	# alphabetically, but we take a few tests known to be slow and push
	# them to the front of the list to try to lessen the overall time
	# taken by the test suite -- if one of these tests happens to be run
	# late, it will cause the overall time to increase.
	ifeq ($(strip $(TESTS)),)
	slow_tests = gdb.base/break-interp.exp gdb.base/interp.exp \
	gdb.base/multi-forks.exp
	all_tests := $(shell cd $(srcdir) && find gdb.* -name '*.exp' -print)
	reordered_tests := $(slow_tests) $(filter-out $(slow_tests),$(all_tests))
	TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(reordered_tests))
	else
	TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(expanded_tests_or_none))
	endif

	do-check-parallel: $(TEST_TARGETS)
	@:

	check/%.exp:
	-mkdir -p outputs/$*
	@$(DO_RUNTEST) GDB_PARALLEL=yes --outdir=outputs/$* $*.exp $(RUNTESTFLAGS) $(TIMESTAMP)

	do-check-parallel-racy: $(TEST_TARGETS)
	@:

	check-racy/%.exp:
	-mkdir -p racy_outputs/$(RACY_OUTPUT_N)/$*
	$(DO_RUNTEST) GDB_PARALLEL=yes \
	--outdir=racy_outputs/$(RACY_OUTPUT_N)/$* $*.exp \
	$(RUNTESTFLAGS) $(TIMESTAMP)

	check/no-matching-tests-found:
	@echo ""
	@echo "No matching tests found."
	@echo ""

	# Utility rule invoked by step 2 of the build-perf rule.
	workers/%.worker:
	mkdir -p gdb.perf/outputs/$*
	$(DO_RUNTEST) --outdir=gdb.perf/outputs/$* lib/build-piece.exp WORKER=$* GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=build-pieces $(TIMESTAMP)

	# Utility rule to build tests that support it in parallel.
	# The build is broken into 3 steps distinguished by GDB_PERFTEST_SUBMODE:
	# gen-workers, build-pieces, final.
	#
	# GDB_PERFTEST_MODE appears after RUNTESTFLAGS here because we don't want
	# anything in RUNTESTFLAGS to override it.
	#
	# We don't delete the outputs directory here as these programs can take
	# awhile to build, and perftest.exp has support for deciding whether to
	# recompile them. If you want to remove these directories, make clean.
	#
	# The point of step 1 is to construct the set of worker tasks for step 2.
	# All of the information needed by build-piece.exp is contained in the name
	# of the generated .worker file.
	build-perf: $(abs_builddir)/site.exp
	rm -rf gdb.perf/workers
	mkdir -p gdb.perf/workers
	@: Step 1: Generate the build .worker files.
	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf/workers GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=gen-workers $(TIMESTAMP)
	@: Step 2: Compile the pieces. Here is the build parallelism.
	$(MAKE) $$(cd gdb.perf && echo workers//.worker)
	@: Step 3: Do the final link.
	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=final $(TIMESTAMP)

	# The default is to both compile and run the tests.
	GDB_PERFTEST_MODE = both

	check-perf: all $(abs_builddir)/site.exp
	@if test ! -d gdb.perf; then mkdir gdb.perf; fi
	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PERFTEST_MODE=$(GDB_PERFTEST_MODE) $(RUNTESTFLAGS) $(TIMESTAMP)

	force:;

	clean mostlyclean:
	-rm -f ~ core .o a.out xgdb .x .grt bigcore.corefile .gdb_history
	-rm -f core.* .tf .cl tracecommandsscript copy1.txt zzz-gdbscript
	-rm -f .dwo .dwp
	-rm -rf outputs temp cache
	-rm -rf gdb.perf/workers gdb.perf/outputs gdb.perf/temp gdb.perf/cache
	-rm -f read1.so expect-read1 readmore.so expect-readmore

	distclean maintainer-clean realclean: clean
	-rm -f *~ core
	-rm -f Makefile config.status *-init.exp
	-rm -fr .log summary detail .plog .sum .psum site.*

	Makefile : Makefile.in config.status $(host_makefile_frag)
	$(SHELL) config.status Makefile

	lib/pdtrace: pdtrace.in config.status
	$(SHELL) config.status lib/pdtrace

	config.status: configure
	$(SHELL) config.status --recheck

	TAGS: force
	find $(srcdir) -name '*.exp' -print \| \
	etags \
	--regex='/\(proc\\|proc_with_prefix\\|gdb_caching_proc\)[ \t]+\([^ \t]+\)/\2/' \
	-

	# Build the expect wrapper script that preloads the read1.so library.
	expect-read1 expect-readmore:
	$(ECHO_GEN) \
	rm -f $@-tmp; \
	touch $@-tmp; \
	echo "# THIS FILE IS GENERATED -- buffer-read-only: t -- \n" >>$@-tmp; \
	echo "# vi:set ro: */\n\n" >>$@-tmp; \
	echo "# To regenerate this file, run:\n" >>$@-tmp; \
	echo "# make clean; make/\n" >>$@-tmp; \
	if [ $@ = expect-read1 ]; then \
	echo "export LD_PRELOAD=`pwd`/read1.so" >>$@-tmp; \
	else \
	echo "export LD_PRELOAD=`pwd`/readmore.so" >>$@-tmp; \
	fi; \
	echo 'exec expect "$$@"' >>$@-tmp; \
	chmod +x $@-tmp; \
	mv $@-tmp $@

	# Build the read1.so preload library. This overrides the `read'
	# function, making it read one byte at a time. Running the testsuite
	# with this catches racy tests.
	read1.so: lib/read1.c
	$(ECHO_CC) $(CC) -o $@ ${srcdir}/lib/read1.c -Wall -g -shared -fPIC $(CFLAGS)

	# Build the readmore.so preload library. This overrides the `read'
	# function, making it try harder to read more at a time. Running the
	# testsuite with this catches racy tests.
	readmore.so: lib/read1.c
	$(ECHO_CC) $(CC) -o $@ ${srcdir}/lib/read1.c -Wall -g -shared -fPIC \
	$(CFLAGS) -DREADMORE

	# Build the read1 machinery.
	.PHONY: read1 readmore
	read1: read1.so expect-read1
	readmore: readmore.so expect-readmore

	# Disable implicit make rules.
	include $(srcdir)/../disable-implicit-rules.mk
	include $(srcdir)/../silent-rules.mk