Makefile.in revision 1.7 
1# Makefile for regression testing the GNU debugger.
2# Copyright 1992-2017 Free Software Foundation, Inc.
3
4# This file is part of GDB.
5
6# This program is free software; you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation; either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <http://www.gnu.org/licenses/>.
18
19VPATH = @srcdir@
20srcdir = @srcdir@
21prefix = @prefix@
22exec_prefix = @exec_prefix@
23abs_builddir = @abs_builddir@
24abs_srcdir = @abs_srcdir@
25
26target_alias = @target_noncanonical@
27program_transform_name = @program_transform_name@
28build_canonical = @build@
29host_canonical = @host@
30target_canonical = @target@
31
32SHELL = @SHELL@
33EXEEXT = @EXEEXT@
34SUBDIRS = @subdirs@
35RPATH_ENVVAR = @RPATH_ENVVAR@
36
37EXTRA_RULES = @EXTRA_RULES@
38
39CC=@CC@
40
41EXPECT = `if [ "$${READ1}" != "" ] ; then \
42            echo $${rootme}/expect-read1; \
43          elif [ -f $${rootme}/../../expect/expect ] ; then \
44            echo $${rootme}/../../expect/expect ; \
45          else \
46            echo expect ; \
47          fi`
48
49RUNTEST = $(RUNTEST_FOR_TARGET)
50
51RUNTESTFLAGS =
52
53FORCE_PARALLEL =
54
55# Default number of iterations that we will use to run the testsuite
56# if the user does not specify the RACY_ITER environment variable
57# (e.g., when the user calls the make rule directly from the command
58# line).
59DEFAULT_RACY_ITER = 3
60
61RUNTEST_FOR_TARGET = `\
62  if [ -f $${srcdir}/../../dejagnu/runtest ]; then \
63    echo $${srcdir}/../../dejagnu/runtest; \
64  else \
65    if [ "$(host_canonical)" = "$(target_canonical)" ]; then \
66      echo runtest; \
67    else \
68      t='$(program_transform_name)'; echo runtest | sed -e $$t; \
69    fi; \
70  fi`
71
72#### host, target, and site specific Makefile frags come in here.
73
74# The use of $$(x_FOR_TARGET) reduces the command line length by not
75# duplicating the lengthy definition.
76
77TARGET_FLAGS_TO_PASS = \
78        "prefix=$(prefix)" \
79        "exec_prefix=$(exec_prefix)" \
80        "against=$(against)" \
81        'CC=$$(CC_FOR_TARGET)' \
82        "CC_FOR_TARGET=$(CC_FOR_TARGET)" \
83        "CFLAGS=$(TESTSUITE_CFLAGS)" \
84        'CXX=$$(CXX_FOR_TARGET)' \
85        "CXX_FOR_TARGET=$(CXX_FOR_TARGET)" \
86        "CXXFLAGS=$(CXXFLAGS)" \
87        "MAKEINFO=$(MAKEINFO)" \
88        "INSTALL=$(INSTALL)" \
89        "INSTALL_PROGRAM=$(INSTALL_PROGRAM)" \
90        "INSTALL_DATA=$(INSTALL_DATA)" \
91        "LDFLAGS=$(LDFLAGS)" \
92        "LIBS=$(LIBS)" \
93        "RUNTEST=$(RUNTEST)" \
94        "RUNTESTFLAGS=$(RUNTESTFLAGS)"
95
96all: $(EXTRA_RULES)
97	@echo "Nothing to be done for all..."
98
99.NOEXPORT:
100INFODIRS=doc
101info:
102install-info:
103dvi:
104pdf:
105install-pdf:
106html:
107install-html:
108
109install:
110
111uninstall: force
112
113# Use absolute `site.exp' path everywhere to suppress VPATH lookups for it.
114# Bare `site.exp' is used as a target here if user requests it explicitly.
115# $(RUNTEST) is looking up `site.exp' only in the current directory.
116
117$(abs_builddir)/site.exp site.exp: ./config.status Makefile
118	@echo "Making a new config file..."
119	-@rm -f ./tmp?
120	@touch site.exp
121	-@mv site.exp site.bak
122	@echo "## these variables are automatically generated by make ##" > ./tmp0
123	@echo "# Do not edit here. If you wish to override these values" >> ./tmp0
124	@echo "# add them to the last section" >> ./tmp0
125	@echo "set host_triplet ${host_canonical}" >> ./tmp0
126	@echo "set target_alias $(target_alias)" >> ./tmp0
127	@echo "set target_triplet ${target_canonical}" >> ./tmp0
128	@echo "set build_triplet ${build_canonical}" >> ./tmp0
129	@echo "set srcdir ${abs_srcdir}" >> ./tmp0
130	@echo "set tool gdb" >> ./tmp0
131	@echo 'source $${srcdir}/lib/append_gdb_boards_dir.exp' >> ./tmp0
132	@echo "## All variables above are generated by configure. Do Not Edit ##" >> ./tmp0
133		@cat ./tmp0 > site.exp
134	@cat site.bak | sed \
135			-e '1,/^## All variables above are.*##/ d' >> site.exp
136	-@rm -f ./tmp?
137
138installcheck:
139
140# See whether -j was given to make.  Either it was given with no
141# arguments, and appears as "j" in the first word, or it was given an
142# argument and appears as "-j" in a separate word.
143saw_dash_j = $(or $(findstring j,$(firstword $(MAKEFLAGS))),$(filter -j,$(MAKEFLAGS)))
144
145# Try to run the tests in parallel if any -j option is given.  If RUNTESTFLAGS
146# is not empty, then by default the tests will be serialized.  This can be
147# overridden by setting FORCE_PARALLEL to any non-empty value.
148CHECK_TARGET_TMP = $(if $(FORCE_PARALLEL),check-parallel,$(if $(RUNTESTFLAGS),check-single,$(if $(saw_dash_j),check-parallel,check-single)))
149CHECK_TARGET = $(if $(RACY_ITER),$(addsuffix -racy,$(CHECK_TARGET_TMP)),$(CHECK_TARGET_TMP))
150
151# Note that we must resort to a recursive make invocation here,
152# because GNU make 3.82 has a bug preventing MAKEFLAGS from being used
153# in conditions.
154check: all $(abs_builddir)/site.exp
155	$(MAKE) $(CHECK_TARGET)
156
157check-read1:
158	$(MAKE) READ1="1" check
159
160# All the hair to invoke dejagnu.  A given invocation can just append
161# $(RUNTESTFLAGS)
162DO_RUNTEST = \
163	rootme=`pwd`; export rootme; \
164	srcdir=${srcdir} ; export srcdir ; \
165	EXPECT=${EXPECT} ; export EXPECT ; \
166	EXEEXT=${EXEEXT} ; export EXEEXT ; \
167        $(RPATH_ENVVAR)=$$rootme/../../expect:$$rootme/../../libstdc++:$$rootme/../../tk/unix:$$rootme/../../tcl/unix:$$rootme/../../bfd:$$rootme/../../opcodes:$$$(RPATH_ENVVAR); \
168	export $(RPATH_ENVVAR); \
169	if [ -f $${rootme}/../../expect/expect ] ; then  \
170	  TCL_LIBRARY=$${srcdir}/../../tcl/library ; \
171	  export TCL_LIBRARY ; fi ; \
172	$(RUNTEST) --status
173
174# TESTS exists for the user to pass on the command line to easily
175# say "Only run these tests."  With check-single it's not necessary, but
176# with check-parallel there's no other way to (easily) specify a subset
177# of tests.  For consistency we support it for check-single as well.
178# To specify all tests in a subdirectory, use TESTS=gdb.subdir/*.exp.
179# E.g., make check TESTS="gdb.server/*.exp gdb.threads/*.exp".
180TESTS :=
181
182ifeq ($(strip $(TESTS)),)
183expanded_tests_or_none :=
184else
185expanded_tests := $(patsubst $(srcdir)/%,%,$(wildcard $(addprefix $(srcdir)/,$(TESTS))))
186expanded_tests_or_none := $(or $(expanded_tests),no-matching-tests-found)
187endif
188
189# Shorthand for running all the tests in a single directory.
190check-gdb.%:
191	$(MAKE) check TESTS="gdb.$*/*.exp"
192
193check-single:
194	$(DO_RUNTEST) $(RUNTESTFLAGS) $(expanded_tests_or_none)
195
196check-single-racy:
197	-rm -rf cache racy_outputs temp
198	mkdir -p racy_outputs; \
199	racyiter="$(RACY_ITER)"; \
200	test "x$$racyiter" == "x" && \
201	  racyiter=$(DEFAULT_RACY_ITER); \
202	if test $$racyiter -lt 2 ; then \
203	  echo "RACY_ITER must be at least 2."; \
204	  exit 1; \
205	fi; \
206	trap "exit" INT; \
207	for n in `seq $$racyiter` ; do \
208	  mkdir -p racy_outputs/$$n; \
209	  $(DO_RUNTEST) --outdir=racy_outputs/$$n $(RUNTESTFLAGS) \
210	    $(expanded_tests_or_none); \
211	done; \
212	$(srcdir)/analyze-racy-logs.py \
213	  `ls racy_outputs/*/gdb.sum` > racy.sum; \
214	sed -n '/=== gdb Summary ===/,$$ p' racy.sum
215
216check-parallel:
217	-rm -rf cache outputs temp
218	$(MAKE) -k do-check-parallel; \
219	result=$$?; \
220	$(SHELL) $(srcdir)/dg-extract-results.sh \
221	  `find outputs -name gdb.sum -print` > gdb.sum; \
222	$(SHELL) $(srcdir)/dg-extract-results.sh -L \
223	  `find outputs -name gdb.log -print` > gdb.log; \
224	sed -n '/=== gdb Summary ===/,$$ p' gdb.sum; \
225	exit $$result
226
227check-parallel-racy:
228	-rm -rf cache racy_outputs temp
229	racyiter="$(RACY_ITER)"; \
230	test "x$$racyiter" == "x" && \
231	  racyiter=$(DEFAULT_RACY_ITER); \
232	if test $$racyiter -lt 2 ; then \
233	  echo "RACY_ITER must be at least 2."; \
234	  exit 1; \
235	fi; \
236	trap "exit" INT; \
237	for n in `seq $$racyiter` ; do \
238	  $(MAKE) -k do-check-parallel-racy \
239	    RACY_OUTPUT_N=$$n; \
240	  $(SHELL) $(srcdir)/dg-extract-results.sh \
241	    `find racy_outputs/$$n -name gdb.sum -print` > \
242	    racy_outputs/$$n/gdb.sum; \
243	  $(SHELL) $(srcdir)/dg-extract-results.sh -L \
244	    `find racy_outputs/$$n -name gdb.log -print` > \
245	    racy_outputs/$$n/gdb.log; \
246	  sed -n '/=== gdb Summary ===/,$$ p' racy_outputs/$$n/gdb.sum; \
247	done; \
248	$(srcdir)/analyze-racy-logs.py \
249	  `ls racy_outputs/*/gdb.sum` > racy.sum; \
250	sed -n '/=== gdb Summary ===/,$$ p' racy.sum
251
252# Turn a list of .exp files into "check/" targets.  Only examine .exp
253# files appearing in a gdb.* directory -- we don't want to pick up
254# lib/ by mistake.  For example, gdb.linespec/linespec.exp becomes
255# check/gdb.linespec/linespec.exp.  The list is generally sorted
256# alphabetically, but we take a few tests known to be slow and push
257# them to the front of the list to try to lessen the overall time
258# taken by the test suite -- if one of these tests happens to be run
259# late, it will cause the overall time to increase.
260ifeq ($(strip $(TESTS)),)
261slow_tests = gdb.base/break-interp.exp gdb.base/interp.exp \
262	gdb.base/multi-forks.exp
263all_tests := $(shell cd $(srcdir) && find gdb.* -name '*.exp' -print)
264reordered_tests := $(slow_tests) $(filter-out $(slow_tests),$(all_tests))
265TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(reordered_tests))
266else
267TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(expanded_tests_or_none))
268endif
269
270do-check-parallel: $(TEST_TARGETS)
271	@:
272
273check/%.exp:
274	-mkdir -p outputs/$*
275	@$(DO_RUNTEST) GDB_PARALLEL=yes --outdir=outputs/$* $*.exp $(RUNTESTFLAGS)
276
277do-check-parallel-racy: $(TEST_TARGETS)
278	@:
279
280check-racy/%.exp:
281	-mkdir -p racy_outputs/$(RACY_OUTPUT_N)/$*
282	$(DO_RUNTEST) GDB_PARALLEL=yes \
283	  --outdir=racy_outputs/$(RACY_OUTPUT_N)/$* $*.exp \
284	  $(RUNTESTFLAGS)
285
286check/no-matching-tests-found:
287	@echo ""
288	@echo "No matching tests found."
289	@echo ""
290
291# Utility rule invoked by step 2 of the build-perf rule.
292workers/%.worker:
293	mkdir -p gdb.perf/outputs/$*
294	$(DO_RUNTEST) --outdir=gdb.perf/outputs/$* lib/build-piece.exp WORKER=$* GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=build-pieces
295
296# Utility rule to build tests that support it in parallel.
297# The build is broken into 3 steps distinguished by GDB_PERFTEST_SUBMODE:
298# gen-workers, build-pieces, final.
299#
300# GDB_PERFTEST_MODE appears *after* RUNTESTFLAGS here because we don't want
301# anything in RUNTESTFLAGS to override it.
302#
303# We don't delete the outputs directory here as these programs can take
304# awhile to build, and perftest.exp has support for deciding whether to
305# recompile them.  If you want to remove these directories, make clean.
306#
307# The point of step 1 is to construct the set of worker tasks for step 2.
308# All of the information needed by build-piece.exp is contained in the name
309# of the generated .worker file.
310build-perf: $(abs_builddir)/site.exp
311	rm -rf gdb.perf/workers
312	mkdir -p gdb.perf/workers
313	@: Step 1: Generate the build .worker files.
314	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf/workers GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=gen-workers
315	@: Step 2: Compile the pieces.  Here is the build parallelism.
316	$(MAKE) $$(cd gdb.perf && echo workers/*/*.worker)
317	@: Step 3: Do the final link.
318	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=final
319
320# The default is to both compile and run the tests.
321GDB_PERFTEST_MODE = both
322
323check-perf: all $(abs_builddir)/site.exp
324	@if test ! -d gdb.perf; then mkdir gdb.perf; fi
325	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PERFTEST_MODE=$(GDB_PERFTEST_MODE) $(RUNTESTFLAGS)
326
327force:;
328
329clean mostlyclean:
330	-rm -f *~ core *.o a.out xgdb *.x *.grt bigcore.corefile .gdb_history
331	-rm -f core.* *.tf *.cl tracecommandsscript copy1.txt zzz-gdbscript
332	-rm -f *.dwo *.dwp
333	-rm -rf outputs temp cache
334	-rm -rf gdb.perf/workers gdb.perf/outputs gdb.perf/temp gdb.perf/cache
335	-rm -f read1.so expect-read1
336
337distclean maintainer-clean realclean: clean
338	-rm -f *~ core
339	-rm -f Makefile config.status *-init.exp
340	-rm -fr *.log summary detail *.plog *.sum *.psum site.*
341
342Makefile : Makefile.in config.status $(host_makefile_frag)
343	$(SHELL) config.status
344
345config.status: configure
346	$(SHELL) config.status --recheck
347
348TAGS: force
349	find $(srcdir) -name '*.exp' -print | \
350	    etags --regex='/proc[ \t]+\([^ \t]+\)/\1/' -
351
352# Build the expect wrapper script that preloads the read1.so library.
353expect-read1:
354	@echo Making expect-read1
355	@rm -f expect-read1-tmp
356	@touch expect-read1-tmp
357	@echo "# THIS FILE IS GENERATED -*- buffer-read-only: t -*- \n" >>expect-read1-tmp
358	@echo "# vi:set ro: */\n\n" >>expect-read1-tmp
359	@echo "# To regenerate this file, run:\n" >>expect-read1-tmp
360	@echo "#      make clean; make/\n" >>expect-read1-tmp
361	@echo "export LD_PRELOAD=`pwd`/read1.so" >>expect-read1-tmp
362	@echo 'exec expect "$$@"' >>expect-read1-tmp
363	@chmod +x expect-read1-tmp
364	@mv expect-read1-tmp expect-read1
365
366# Build the read1.so preload library.  This overrides the `read'
367# function, making it read one byte at a time.  Running the testsuite
368# with this catches racy tests.
369read1.so: lib/read1.c
370	$(CC) -o $@ ${srcdir}/lib/read1.c -Wall -g -shared -fPIC $(CFLAGS)
371
372# Build the read1 machinery.
373.PHONY: read1
374read1: read1.so expect-read1
375
376# Disable implicit make rules.
377include $(srcdir)/../disable-implicit-rules.mk
378