Makefile.in revision 1.8 
1# Makefile for regression testing the GNU debugger.
2# Copyright 1992-2019 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 $${srcdir}/lib/append_gdb_boards_dir.exp' >> ./tmp0
132	@echo "## All variables above are generated by configure. Do Not Edit ##" >> ./tmp0
133		@cat ./tmp0 > site.exp
134	@cat site.bak | sed \
135			-e '1,/^## All variables above are.*##/ d' >> site.exp
136	-@rm -f ./tmp?
137
138installcheck:
139
140# See whether -j was given to make.  Before GNU make 4.2, either it was
141# given with no arguments, and appears as "j" in the first word, or it was
142# given an argument and appears as "-j" in a separate word.  Starting with
143# GNU make 4.2, it always appears as "-j"/"-jN" in a separate word.
144saw_dash_j = $(or $(findstring j,$(firstword $(MAKEFLAGS))),$(filter -j%,$(MAKEFLAGS)))
145
146# Try to run the tests in parallel if any -j option is given.  If RUNTESTFLAGS
147# is not empty, then by default the tests will be serialized.  This can be
148# overridden by setting FORCE_PARALLEL to any non-empty value.
149CHECK_TARGET_TMP = $(if $(FORCE_PARALLEL),check-parallel,$(if $(RUNTESTFLAGS),check-single,$(if $(saw_dash_j),check-parallel,check-single)))
150CHECK_TARGET = $(if $(RACY_ITER),$(addsuffix -racy,$(CHECK_TARGET_TMP)),$(CHECK_TARGET_TMP))
151
152# Note that we must resort to a recursive make invocation here,
153# because GNU make 3.82 has a bug preventing MAKEFLAGS from being used
154# in conditions.
155check: all $(abs_builddir)/site.exp
156	$(MAKE) $(CHECK_TARGET)
157
158check-read1:
159	$(MAKE) READ1="1" check
160
161# Check whether we need to print the timestamp for each line of
162# status.
163TIMESTAMP = $(if $(TS),| $(srcdir)/print-ts.py $(if $(TS_FORMAT),$(TS_FORMAT),),)
164
165# All the hair to invoke dejagnu.  A given invocation can just append
166# $(RUNTESTFLAGS)
167DO_RUNTEST = \
168	rootme=`pwd`; export rootme; \
169	srcdir=${srcdir} ; export srcdir ; \
170	EXPECT=${EXPECT} ; export EXPECT ; \
171	EXEEXT=${EXEEXT} ; export EXEEXT ; \
172        $(RPATH_ENVVAR)=$$rootme/../../expect:$$rootme/../../libstdc++:$$rootme/../../tk/unix:$$rootme/../../tcl/unix:$$rootme/../../bfd:$$rootme/../../opcodes:$$$(RPATH_ENVVAR); \
173	export $(RPATH_ENVVAR); \
174	if [ -f $${rootme}/../../expect/expect ] ; then  \
175	  TCL_LIBRARY=$${srcdir}/../../tcl/library ; \
176	  export TCL_LIBRARY ; fi ; \
177	$(RUNTEST) --status
178
179# TESTS exists for the user to pass on the command line to easily
180# say "Only run these tests."  With check-single it's not necessary, but
181# with check-parallel there's no other way to (easily) specify a subset
182# of tests.  For consistency we support it for check-single as well.
183# To specify all tests in a subdirectory, use TESTS=gdb.subdir/*.exp.
184# E.g., make check TESTS="gdb.server/*.exp gdb.threads/*.exp".
185TESTS :=
186
187ifeq ($(strip $(TESTS)),)
188expanded_tests_or_none :=
189else
190expanded_tests := $(patsubst $(srcdir)/%,%,$(wildcard $(addprefix $(srcdir)/,$(TESTS))))
191expanded_tests_or_none := $(or $(expanded_tests),no-matching-tests-found)
192endif
193
194# Shorthand for running all the tests in a single directory.
195check-gdb.%:
196	$(MAKE) check TESTS="gdb.$*/*.exp"
197
198check-single:
199	$(DO_RUNTEST) $(RUNTESTFLAGS) $(expanded_tests_or_none) $(TIMESTAMP)
200
201check-single-racy:
202	-rm -rf cache racy_outputs temp
203	mkdir -p racy_outputs; \
204	racyiter="$(RACY_ITER)"; \
205	test "x$$racyiter" == "x" && \
206	  racyiter=$(DEFAULT_RACY_ITER); \
207	if test $$racyiter -lt 2 ; then \
208	  echo "RACY_ITER must be at least 2."; \
209	  exit 1; \
210	fi; \
211	trap "exit" INT; \
212	for n in `seq $$racyiter` ; do \
213	  mkdir -p racy_outputs/$$n; \
214	  $(DO_RUNTEST) --outdir=racy_outputs/$$n $(RUNTESTFLAGS) \
215	    $(expanded_tests_or_none) $(TIMESTAMP); \
216	done; \
217	$(srcdir)/analyze-racy-logs.py \
218	  `ls racy_outputs/*/gdb.sum` > racy.sum; \
219	sed -n '/=== gdb Summary ===/,$$ p' racy.sum
220
221check-parallel:
222	-rm -rf cache outputs temp
223	$(MAKE) -k do-check-parallel; \
224	result=$$?; \
225	$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
226	  `find outputs -name gdb.sum -print` > gdb.sum; \
227	$(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
228	  `find outputs -name gdb.log -print` > gdb.log; \
229	sed -n '/=== gdb Summary ===/,$$ p' gdb.sum; \
230	exit $$result
231
232check-parallel-racy:
233	-rm -rf cache racy_outputs temp
234	racyiter="$(RACY_ITER)"; \
235	test "x$$racyiter" == "x" && \
236	  racyiter=$(DEFAULT_RACY_ITER); \
237	if test $$racyiter -lt 2 ; then \
238	  echo "RACY_ITER must be at least 2."; \
239	  exit 1; \
240	fi; \
241	trap "exit" INT; \
242	for n in `seq $$racyiter` ; do \
243	  $(MAKE) -k do-check-parallel-racy \
244	    RACY_OUTPUT_N=$$n; \
245	  $(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh \
246	    `find racy_outputs/$$n -name gdb.sum -print` > \
247	    racy_outputs/$$n/gdb.sum; \
248	  $(SHELL) $(srcdir)/../../contrib/dg-extract-results.sh -L \
249	    `find racy_outputs/$$n -name gdb.log -print` > \
250	    racy_outputs/$$n/gdb.log; \
251	  sed -n '/=== gdb Summary ===/,$$ p' racy_outputs/$$n/gdb.sum; \
252	done; \
253	$(srcdir)/analyze-racy-logs.py \
254	  `ls racy_outputs/*/gdb.sum` > racy.sum; \
255	sed -n '/=== gdb Summary ===/,$$ p' racy.sum
256
257# Turn a list of .exp files into "check/" targets.  Only examine .exp
258# files appearing in a gdb.* directory -- we don't want to pick up
259# lib/ by mistake.  For example, gdb.linespec/linespec.exp becomes
260# check/gdb.linespec/linespec.exp.  The list is generally sorted
261# alphabetically, but we take a few tests known to be slow and push
262# them to the front of the list to try to lessen the overall time
263# taken by the test suite -- if one of these tests happens to be run
264# late, it will cause the overall time to increase.
265ifeq ($(strip $(TESTS)),)
266slow_tests = gdb.base/break-interp.exp gdb.base/interp.exp \
267	gdb.base/multi-forks.exp
268all_tests := $(shell cd $(srcdir) && find gdb.* -name '*.exp' -print)
269reordered_tests := $(slow_tests) $(filter-out $(slow_tests),$(all_tests))
270TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(reordered_tests))
271else
272TEST_TARGETS := $(addprefix $(if $(RACY_ITER),check-racy,check)/,$(expanded_tests_or_none))
273endif
274
275do-check-parallel: $(TEST_TARGETS)
276	@:
277
278check/%.exp:
279	-mkdir -p outputs/$*
280	@$(DO_RUNTEST) GDB_PARALLEL=yes --outdir=outputs/$* $*.exp $(RUNTESTFLAGS) $(TIMESTAMP)
281
282do-check-parallel-racy: $(TEST_TARGETS)
283	@:
284
285check-racy/%.exp:
286	-mkdir -p racy_outputs/$(RACY_OUTPUT_N)/$*
287	$(DO_RUNTEST) GDB_PARALLEL=yes \
288	  --outdir=racy_outputs/$(RACY_OUTPUT_N)/$* $*.exp \
289	  $(RUNTESTFLAGS) $(TIMESTAMP)
290
291check/no-matching-tests-found:
292	@echo ""
293	@echo "No matching tests found."
294	@echo ""
295
296# Utility rule invoked by step 2 of the build-perf rule.
297workers/%.worker:
298	mkdir -p gdb.perf/outputs/$*
299	$(DO_RUNTEST) --outdir=gdb.perf/outputs/$* lib/build-piece.exp WORKER=$* GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=build-pieces $(TIMESTAMP)
300
301# Utility rule to build tests that support it in parallel.
302# The build is broken into 3 steps distinguished by GDB_PERFTEST_SUBMODE:
303# gen-workers, build-pieces, final.
304#
305# GDB_PERFTEST_MODE appears *after* RUNTESTFLAGS here because we don't want
306# anything in RUNTESTFLAGS to override it.
307#
308# We don't delete the outputs directory here as these programs can take
309# awhile to build, and perftest.exp has support for deciding whether to
310# recompile them.  If you want to remove these directories, make clean.
311#
312# The point of step 1 is to construct the set of worker tasks for step 2.
313# All of the information needed by build-piece.exp is contained in the name
314# of the generated .worker file.
315build-perf: $(abs_builddir)/site.exp
316	rm -rf gdb.perf/workers
317	mkdir -p gdb.perf/workers
318	@: Step 1: Generate the build .worker files.
319	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf/workers GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=gen-workers $(TIMESTAMP)
320	@: Step 2: Compile the pieces.  Here is the build parallelism.
321	$(MAKE) $$(cd gdb.perf && echo workers/*/*.worker)
322	@: Step 3: Do the final link.
323	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PARALLEL=gdb.perf $(RUNTESTFLAGS) GDB_PERFTEST_MODE=compile GDB_PERFTEST_SUBMODE=final $(TIMESTAMP)
324
325# The default is to both compile and run the tests.
326GDB_PERFTEST_MODE = both
327
328check-perf: all $(abs_builddir)/site.exp
329	@if test ! -d gdb.perf; then mkdir gdb.perf; fi
330	$(DO_RUNTEST) --directory=gdb.perf --outdir gdb.perf GDB_PERFTEST_MODE=$(GDB_PERFTEST_MODE) $(RUNTESTFLAGS) $(TIMESTAMP)
331
332force:;
333
334clean mostlyclean:
335	-rm -f *~ core *.o a.out xgdb *.x *.grt bigcore.corefile .gdb_history
336	-rm -f core.* *.tf *.cl tracecommandsscript copy1.txt zzz-gdbscript
337	-rm -f *.dwo *.dwp
338	-rm -rf outputs temp cache
339	-rm -rf gdb.perf/workers gdb.perf/outputs gdb.perf/temp gdb.perf/cache
340	-rm -f read1.so expect-read1
341
342distclean maintainer-clean realclean: clean
343	-rm -f *~ core
344	-rm -f Makefile config.status *-init.exp
345	-rm -fr *.log summary detail *.plog *.sum *.psum site.*
346
347Makefile : Makefile.in config.status $(host_makefile_frag)
348	$(SHELL) config.status
349
350config.status: configure
351	$(SHELL) config.status --recheck
352
353TAGS: force
354	find $(srcdir) -name '*.exp' -print | \
355	    etags \
356		--regex='/\(proc\|proc_with_prefix\|gdb_caching_proc\)[ \t]+\([^ \t]+\)/\2/' \
357		-
358
359# Build the expect wrapper script that preloads the read1.so library.
360expect-read1:
361	@echo Making expect-read1
362	@rm -f expect-read1-tmp
363	@touch expect-read1-tmp
364	@echo "# THIS FILE IS GENERATED -*- buffer-read-only: t -*- \n" >>expect-read1-tmp
365	@echo "# vi:set ro: */\n\n" >>expect-read1-tmp
366	@echo "# To regenerate this file, run:\n" >>expect-read1-tmp
367	@echo "#      make clean; make/\n" >>expect-read1-tmp
368	@echo "export LD_PRELOAD=`pwd`/read1.so" >>expect-read1-tmp
369	@echo 'exec expect "$$@"' >>expect-read1-tmp
370	@chmod +x expect-read1-tmp
371	@mv expect-read1-tmp expect-read1
372
373# Build the read1.so preload library.  This overrides the `read'
374# function, making it read one byte at a time.  Running the testsuite
375# with this catches racy tests.
376read1.so: lib/read1.c
377	$(CC) -o $@ ${srcdir}/lib/read1.c -Wall -g -shared -fPIC $(CFLAGS)
378
379# Build the read1 machinery.
380.PHONY: read1
381read1: read1.so expect-read1
382
383# Disable implicit make rules.
384include $(srcdir)/../disable-implicit-rules.mk
385