mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 03:03:31 +08:00
dd06d4d688
Add both board option and environment variable which enables gdbserver
debug and sends it to the file gdbserver.debug, located in the output
directory for the current test. Document this.
Add support for the environment variable in the Makefile.
The testsuite can be run with gdbserver debug enabled in the following way:
make check GDBSERVER_DEBUG=all
Disable tspeed.exp when debugging to prevent the log file filling
many gigabytes then timing out.
gdb/testsuite/ChangeLog:
* Makefile.in: Pass through GDBSERVER_DEBUG.
* README (Testsuite Parameters): Add GDBSERVER_DEBUG.
(gdbserver,debug): Add board setting.
* gdb.trace/tspeed.exp: Skip when debugging.
* lib/gdb.exp (gdbserver_debug_enabled): New procedure.
* lib/gdbserver-support.exp: Likewise
389 lines
14 KiB
Makefile
389 lines
14 KiB
Makefile
# Makefile for regression testing the GNU debugger.
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# Copyright 1992-2019 Free Software Foundation, Inc.
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# This file is part of GDB.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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VPATH = @srcdir@
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srcdir = @srcdir@
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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abs_builddir = @abs_builddir@
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abs_srcdir = @abs_srcdir@
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target_alias = @target_noncanonical@
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program_transform_name = @program_transform_name@
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build_canonical = @build@
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host_canonical = @host@
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target_canonical = @target@
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SHELL = @SHELL@
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EXEEXT = @EXEEXT@
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SUBDIRS = @subdirs@
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RPATH_ENVVAR = @RPATH_ENVVAR@
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EXTRA_RULES = @EXTRA_RULES@
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CC=@CC@
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EXPECT = `if [ "$${READ1}" != "" ] ; then \
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echo $${rootme}/expect-read1; \
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elif [ -f $${rootme}/../../expect/expect ] ; then \
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echo $${rootme}/../../expect/expect ; \
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else \
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echo expect ; \
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fi`
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RUNTEST = $(RUNTEST_FOR_TARGET)
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RUNTESTFLAGS =
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FORCE_PARALLEL =
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GDBSERVER_DEBUG =
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# Default number of iterations that we will use to run the testsuite
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# if the user does not specify the RACY_ITER environment variable
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# (e.g., when the user calls the make rule directly from the command
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# line).
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DEFAULT_RACY_ITER = 3
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RUNTEST_FOR_TARGET = `\
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if [ -f $${srcdir}/../../dejagnu/runtest ]; then \
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echo $${srcdir}/../../dejagnu/runtest; \
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else \
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if [ "$(host_canonical)" = "$(target_canonical)" ]; then \
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echo runtest; \
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else \
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t='$(program_transform_name)'; echo runtest | sed -e $$t; \
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fi; \
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fi`
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#### host, target, and site specific Makefile frags come in here.
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# The use of $$(x_FOR_TARGET) reduces the command line length by not
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# duplicating the lengthy definition.
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TARGET_FLAGS_TO_PASS = \
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"prefix=$(prefix)" \
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"exec_prefix=$(exec_prefix)" \
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"against=$(against)" \
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'CC=$$(CC_FOR_TARGET)' \
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"CC_FOR_TARGET=$(CC_FOR_TARGET)" \
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"CFLAGS=$(TESTSUITE_CFLAGS)" \
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'CXX=$$(CXX_FOR_TARGET)' \
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"CXX_FOR_TARGET=$(CXX_FOR_TARGET)" \
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"CXXFLAGS=$(CXXFLAGS)" \
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"MAKEINFO=$(MAKEINFO)" \
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"INSTALL=$(INSTALL)" \
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"INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
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"INSTALL_DATA=$(INSTALL_DATA)" \
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"LDFLAGS=$(LDFLAGS)" \
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"LIBS=$(LIBS)" \
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"RUNTEST=$(RUNTEST)" \
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"RUNTESTFLAGS=$(RUNTESTFLAGS)"
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all: $(EXTRA_RULES)
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@echo "Nothing to be done for all..."
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.NOEXPORT:
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INFODIRS=doc
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info:
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install-info:
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dvi:
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pdf:
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install-pdf:
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html:
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install-html:
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install:
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uninstall: force
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# Use absolute `site.exp' path everywhere to suppress VPATH lookups for it.
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# Bare `site.exp' is used as a target here if user requests it explicitly.
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# $(RUNTEST) is looking up `site.exp' only in the current directory.
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$(abs_builddir)/site.exp site.exp: ./config.status Makefile
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@echo "Making a new config file..."
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-@rm -f ./tmp?
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@touch site.exp
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-@mv site.exp site.bak
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@echo "## these variables are automatically generated by make ##" > ./tmp0
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@echo "# Do not edit here. If you wish to override these values" >> ./tmp0
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@echo "# add them to the last section" >> ./tmp0
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@echo "set host_triplet ${host_canonical}" >> ./tmp0
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@echo "set target_alias $(target_alias)" >> ./tmp0
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@echo "set target_triplet ${target_canonical}" >> ./tmp0
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@echo "set build_triplet ${build_canonical}" >> ./tmp0
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@echo "set srcdir ${abs_srcdir}" >> ./tmp0
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@echo "set tool gdb" >> ./tmp0
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@echo 'source $${srcdir}/lib/append_gdb_boards_dir.exp' >> ./tmp0
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@echo "## All variables above are generated by configure. Do Not Edit ##" >> ./tmp0
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@cat ./tmp0 > site.exp
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@cat site.bak | sed \
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-e '1,/^## All variables above are.*##/ d' >> site.exp
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-@rm -f ./tmp?
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installcheck:
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# See whether -j was given to make. Before GNU make 4.2, either it was
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# given with no arguments, and appears as "j" in the first word, or it was
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# given an argument and appears as "-j" in a separate word. Starting with
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# GNU make 4.2, it always appears as "-j"/"-jN" in a separate word.
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saw_dash_j = $(or $(findstring j,$(firstword $(MAKEFLAGS))),$(filter -j%,$(MAKEFLAGS)))
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# Try to run the tests in parallel if any -j option is given. If RUNTESTFLAGS
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# is not empty, then by default the tests will be serialized. This can be
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# overridden by setting FORCE_PARALLEL to any non-empty value.
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CHECK_TARGET_TMP = $(if $(FORCE_PARALLEL),check-parallel,$(if $(RUNTESTFLAGS),check-single,$(if $(saw_dash_j),check-parallel,check-single)))
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CHECK_TARGET = $(if $(RACY_ITER),$(addsuffix -racy,$(CHECK_TARGET_TMP)),$(CHECK_TARGET_TMP))
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# Note that we must resort to a recursive make invocation here,
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# because GNU make 3.82 has a bug preventing MAKEFLAGS from being used
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# in conditions.
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check: all $(abs_builddir)/site.exp
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$(MAKE) $(CHECK_TARGET)
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check-read1:
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$(MAKE) READ1="1" check
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# Check whether we need to print the timestamp for each line of
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# status.
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TIMESTAMP = $(if $(TS),| $(srcdir)/print-ts.py $(if $(TS_FORMAT),$(TS_FORMAT),),)
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gdbserver_debug = $(if $(GDBSERVER_DEBUG),GDBSERVER_DEBUG=$(GDBSERVER_DEBUG) ; export GDBSERVER_DEBUG ;,)
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# All the hair to invoke dejagnu. A given invocation can just append
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# $(RUNTESTFLAGS)
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DO_RUNTEST = \
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rootme=`pwd`; export rootme; \
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srcdir=${srcdir} ; export srcdir ; \
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EXPECT=${EXPECT} ; export EXPECT ; \
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EXEEXT=${EXEEXT} ; export EXEEXT ; $(gdbserver_debug) \
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$(RPATH_ENVVAR)=$$rootme/../../expect:$$rootme/../../libstdc++:$$rootme/../../tk/unix:$$rootme/../../tcl/unix:$$rootme/../../bfd:$$rootme/../../opcodes:$$$(RPATH_ENVVAR); \
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export $(RPATH_ENVVAR); \
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if [ -f $${rootme}/../../expect/expect ] ; then \
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TCL_LIBRARY=$${srcdir}/../../tcl/library ; \
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export TCL_LIBRARY ; fi ; \
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$(RUNTEST) --status
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# TESTS exists for the user to pass on the command line to easily
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# say "Only run these tests." With check-single it's not necessary, but
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# with check-parallel there's no other way to (easily) specify a subset
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# of tests. For consistency we support it for check-single as well.
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# To specify all tests in a subdirectory, use TESTS=gdb.subdir/*.exp.
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# E.g., make check TESTS="gdb.server/*.exp gdb.threads/*.exp".
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TESTS :=
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ifeq ($(strip $(TESTS)),)
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expanded_tests_or_none :=
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else
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expanded_tests := $(patsubst $(srcdir)/%,%,$(wildcard $(addprefix $(srcdir)/,$(TESTS))))
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expanded_tests_or_none := $(or $(expanded_tests),no-matching-tests-found)
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endif
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# Shorthand for running all the tests in a single directory.
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check-gdb.%:
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$(MAKE) check TESTS="gdb.$*/*.exp"
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check-single:
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$(DO_RUNTEST) $(RUNTESTFLAGS) $(expanded_tests_or_none) $(TIMESTAMP)
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check-single-racy:
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-rm -rf cache racy_outputs temp
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mkdir -p racy_outputs; \
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racyiter="$(RACY_ITER)"; \
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test "x$$racyiter" == "x" && \
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racyiter=$(DEFAULT_RACY_ITER); \
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if test $$racyiter -lt 2 ; then \
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echo "RACY_ITER must be at least 2."; \
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exit 1; \
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fi; \
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trap "exit" INT; \
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for n in `seq $$racyiter` ; do \
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mkdir -p racy_outputs/$$n; \
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$(DO_RUNTEST) --outdir=racy_outputs/$$n $(RUNTESTFLAGS) \
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$(expanded_tests_or_none) $(TIMESTAMP); \
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done; \
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$(srcdir)/analyze-racy-logs.py \
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`ls racy_outputs/*/gdb.sum` > racy.sum; \
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sed -n '/=== gdb Summary ===/,$$ p' racy.sum
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check-parallel:
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-rm -rf cache outputs temp
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$(MAKE) -k do-check-parallel; \
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result=$$?; \
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$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
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`find outputs -name gdb.sum -print` > gdb.sum; \
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$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
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`find outputs -name gdb.log -print` > gdb.log; \
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sed -n '/=== gdb Summary ===/,$$ p' gdb.sum; \
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exit $$result
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check-parallel-racy:
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-rm -rf cache racy_outputs temp
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racyiter="$(RACY_ITER)"; \
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test "x$$racyiter" == "x" && \
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racyiter=$(DEFAULT_RACY_ITER); \
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if test $$racyiter -lt 2 ; then \
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echo "RACY_ITER must be at least 2."; \
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exit 1; \
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fi; \
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trap "exit" INT; \
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for n in `seq $$racyiter` ; do \
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$(MAKE) -k do-check-parallel-racy \
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RACY_OUTPUT_N=$$n; \
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$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
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`find racy_outputs/$$n -name gdb.sum -print` > \
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racy_outputs/$$n/gdb.sum; \
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$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
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`find racy_outputs/$$n -name gdb.log -print` > \
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racy_outputs/$$n/gdb.log; \
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sed -n '/=== gdb Summary ===/,$$ p' racy_outputs/$$n/gdb.sum; \
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done; \
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$(srcdir)/analyze-racy-logs.py \
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`ls racy_outputs/*/gdb.sum` > racy.sum; \
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sed -n '/=== gdb Summary ===/,$$ p' racy.sum
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# Turn a list of .exp files into "check/" targets. Only examine .exp
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# files appearing in a gdb.* directory -- we don't want to pick up
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# lib/ by mistake. For example, gdb.linespec/linespec.exp becomes
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# check/gdb.linespec/linespec.exp. The list is generally sorted
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# alphabetically, but we take a few tests known to be slow and push
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# them to the front of the list to try to lessen the overall time
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# taken by the test suite -- if one of these tests happens to be run
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# late, it will cause the overall time to increase.
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ifeq ($(strip $(TESTS)),)
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slow_tests = gdb.base/break-interp.exp gdb.base/interp.exp \
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gdb.base/multi-forks.exp
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all_tests := $(shell cd $(srcdir) && find gdb.* -name '*.exp' -print)
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reordered_tests := $(slow_tests) $(filter-out $(slow_tests),$(all_tests))
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TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(reordered_tests))
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else
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TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(expanded_tests_or_none))
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endif
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do-check-parallel: $(TEST_TARGETS)
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@:
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check/%.exp:
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-mkdir -p outputs/$*
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@$(DO_RUNTEST) GDB_PARALLEL=yes --outdir=outputs/$* $*.exp $(RUNTESTFLAGS) $(TIMESTAMP)
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do-check-parallel-racy: $(TEST_TARGETS)
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@:
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check-racy/%.exp:
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-mkdir -p racy_outputs/$(RACY_OUTPUT_N)/$*
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$(DO_RUNTEST) GDB_PARALLEL=yes \
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--outdir=racy_outputs/$(RACY_OUTPUT_N)/$* $*.exp \
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$(RUNTESTFLAGS) $(TIMESTAMP)
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check/no-matching-tests-found:
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@echo ""
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@echo "No matching tests found."
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@echo ""
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# Utility rule invoked by step 2 of the build-perf rule.
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workers/%.worker:
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mkdir -p gdb.perf/outputs/$*
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$(DO_RUNTEST) --outdir=gdb.perf/outputs/$* lib/build-piece.exp WORKER=$* GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=build-pieces $(TIMESTAMP)
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# Utility rule to build tests that support it in parallel.
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# The build is broken into 3 steps distinguished by GDB_PERFTEST_SUBMODE:
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# gen-workers, build-pieces, final.
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#
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# GDB_PERFTEST_MODE appears *after* RUNTESTFLAGS here because we don't want
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# anything in RUNTESTFLAGS to override it.
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#
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# We don't delete the outputs directory here as these programs can take
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# awhile to build, and perftest.exp has support for deciding whether to
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# recompile them. If you want to remove these directories, make clean.
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#
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# The point of step 1 is to construct the set of worker tasks for step 2.
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# All of the information needed by build-piece.exp is contained in the name
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# of the generated .worker file.
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build-perf: $(abs_builddir)/site.exp
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rm -rf gdb.perf/workers
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mkdir -p gdb.perf/workers
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@: Step 1: Generate the build .worker files.
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$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf/workers GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=gen-workers $(TIMESTAMP)
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@: Step 2: Compile the pieces. Here is the build parallelism.
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$(MAKE) $$(cd gdb.perf && echo workers/*/*.worker)
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@: Step 3: Do the final link.
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$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=final $(TIMESTAMP)
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# The default is to both compile and run the tests.
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GDB_PERFTEST_MODE = both
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check-perf: all $(abs_builddir)/site.exp
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@if test ! -d gdb.perf; then mkdir gdb.perf; fi
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$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PERFTEST_MODE=$(GDB_PERFTEST_MODE) $(RUNTESTFLAGS) $(TIMESTAMP)
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force:;
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clean mostlyclean:
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-rm -f *~ core *.o a.out xgdb *.x *.grt bigcore.corefile .gdb_history
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-rm -f core.* *.tf *.cl tracecommandsscript copy1.txt zzz-gdbscript
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-rm -f *.dwo *.dwp
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-rm -rf outputs temp cache
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-rm -rf gdb.perf/workers gdb.perf/outputs gdb.perf/temp gdb.perf/cache
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-rm -f read1.so expect-read1
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distclean maintainer-clean realclean: clean
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-rm -f *~ core
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-rm -f Makefile config.status *-init.exp
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-rm -fr *.log summary detail *.plog *.sum *.psum site.*
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Makefile : Makefile.in config.status $(host_makefile_frag)
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$(SHELL) config.status
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config.status: configure
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$(SHELL) config.status --recheck
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TAGS: force
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find $(srcdir) -name '*.exp' -print | \
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etags \
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--regex='/\(proc\|proc_with_prefix\|gdb_caching_proc\)[ \t]+\([^ \t]+\)/\2/' \
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-
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# Build the expect wrapper script that preloads the read1.so library.
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expect-read1:
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@echo Making expect-read1
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@rm -f expect-read1-tmp
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@touch expect-read1-tmp
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@echo "# THIS FILE IS GENERATED -*- buffer-read-only: t -*- \n" >>expect-read1-tmp
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@echo "# vi:set ro: */\n\n" >>expect-read1-tmp
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@echo "# To regenerate this file, run:\n" >>expect-read1-tmp
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@echo "# make clean; make/\n" >>expect-read1-tmp
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@echo "export LD_PRELOAD=`pwd`/read1.so" >>expect-read1-tmp
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@echo 'exec expect "$$@"' >>expect-read1-tmp
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@chmod +x expect-read1-tmp
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@mv expect-read1-tmp expect-read1
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# Build the read1.so preload library. This overrides the `read'
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# function, making it read one byte at a time. Running the testsuite
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# with this catches racy tests.
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read1.so: lib/read1.c
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$(CC) -o $@ ${srcdir}/lib/read1.c -Wall -g -shared -fPIC $(CFLAGS)
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# Build the read1 machinery.
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.PHONY: read1
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read1: read1.so expect-read1
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# Disable implicit make rules.
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include $(srcdir)/../disable-implicit-rules.mk
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