1 # Copyright (C) 1991-2019 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, see
16 # <http://www.gnu.org/licenses/>.
19 # Rules for making a subdirectory in the GNU C library.
20 # Each subdirectory Makefile defines some variables and includes this.
23 This makefile requires GNU Make.
26 all: # Don't let the default goal come from Makeconfig.
28 include $(firstword $(..) ../)Makeconfig
31 Each subdirectory makefile must define the `subdir' variable.
33 # This ` unconfuses emacs.
34 # This is benign and useless in GNU make before 3.63.
35 export subdir := $(subdir)
37 # This is the default target; it makes the library and auxiliary programs.
41 ifeq ($(build-programs),yes)
42 others: $(addprefix $(objpfx),$(extra-objs) \
44 $(install-bin) $(install-bin-script) \
45 $(install-rootsbin) $(install-sbin))
47 others: $(addprefix $(objpfx),$(extra-objs) \
51 ifneq "$(findstring env,$(origin headers))" ""
55 ifneq "$(findstring env,$(origin generated))" ""
59 ifneq "$(findstring env,$(origin common-generated))" ""
63 # See below. This must be set before Makerules processes it.
64 before-compile += $(common-objpfx)bits/stdio_lim.h
66 include $(..)Makerules
69 subdir_lib: lib-noranlib
71 # Some subdirs need to install a dummy library.
72 # They can use "$(objpfx)libfnord.a: $(dep-dummy-lib); $(make-dummy-lib)".
73 dep-dummy-lib = $(common-objpfx)dummy.o
75 $(AR) cr$(verbose) $@ $<
78 $(common-objpfx)dummy.c:
80 (echo 'extern void __dummy__ (void);'; \
81 echo 'void __dummy__ (void) { }') > $@
82 common-generated += dummy.o dummy.c
85 # Special test of all the installed headers in this directory.
86 tests-special += $(objpfx)check-installed-headers-c.out
87 libof-check-installed-headers-c := testsuite
88 $(objpfx)check-installed-headers-c.out: \
89 $(..)scripts/check-installed-headers.sh $(headers)
90 $(SHELL) $(..)scripts/check-installed-headers.sh c \
91 "$(CC) $(filter-out -std=%,$(CFLAGS)) -D_ISOMAC $(+includes)" \
96 tests-special += $(objpfx)check-installed-headers-cxx.out
97 libof-check-installed-headers-cxx := testsuite
98 $(objpfx)check-installed-headers-cxx.out: \
99 $(..)scripts/check-installed-headers.sh $(headers)
100 $(SHELL) $(..)scripts/check-installed-headers.sh c++ \
101 "$(CXX) $(filter-out -std=%,$(CXXFLAGS)) -D_ISOMAC $(+includes)" \
106 tests-special += $(objpfx)check-wrapper-headers.out
107 $(objpfx)check-wrapper-headers.out: \
108 $(..)scripts/check-wrapper-headers.py $(headers)
109 $(PYTHON) $< --root=$(..) --subdir=$(subdir) $(headers) > $@; \
114 # This makes all the auxiliary and test programs.
116 .PHONY: others tests bench bench-build
118 # Test programs for the pretty printers.
119 tests-printers-programs := $(addprefix $(objpfx),$(tests-printers))
121 # .out files with the output of running the pretty printer tests.
122 tests-printers-out := $(patsubst %,$(objpfx)%.out,$(tests-printers))
124 ifeq ($(build-programs),yes)
125 others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
127 others: $(addprefix $(objpfx),$(extra-objs))
130 # Generate constant files for Python pretty printers if required.
133 ifeq ($(run-built-tests),no)
134 tests: $(addprefix $(objpfx),$(filter-out $(tests-unsupported), \
135 $(tests) $(tests-internal) \
136 $(tests-container)) \
137 $(test-srcs)) $(tests-special) \
138 $(tests-printers-programs)
139 xtests: tests $(xtests-special)
141 tests: $(tests:%=$(objpfx)%.out) $(tests-internal:%=$(objpfx)%.out) \
142 $(tests-container:%=$(objpfx)%.out) \
143 $(tests-special) $(tests-printers-out)
144 xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-special)
147 tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special))
148 xtests-special-notdir = $(patsubst $(objpfx)%, %, $(xtests-special))
149 ifeq ($(run-built-tests),no)
152 tests-expected = $(tests) $(tests-internal) $(tests-printers) \
156 $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
157 $(sort $(tests-expected) $(tests-special-notdir:.out=)) \
158 > $(objpfx)subdir-tests.sum
160 $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
161 $(sort $(xtests) $(xtests-special-notdir:.out=)) \
162 > $(objpfx)subdir-xtests.sum
164 ifeq ($(build-programs),yes)
165 binaries-all-notests = $(others) $(sysdep-others)
166 binaries-all-tests = $(tests) $(tests-internal) $(xtests) $(test-srcs) \
168 binaries-all = $(binaries-all-notests) $(binaries-all-tests)
169 binaries-static-notests = $(others-static)
170 binaries-static-tests = $(tests-static) $(xtests-static)
171 binaries-static = $(binaries-static-notests) $(binaries-static-tests)
172 ifeq (yesyes,$(have-fpie)$(build-shared))
173 binaries-pie-tests = $(tests-pie) $(xtests-pie)
174 binaries-pie-notests = $(others-pie)
177 binaries-pie-notests =
180 binaries-all-notests =
181 binaries-all-tests = $(tests) $(tests-internal) $(xtests) $(test-srcs)
182 binaries-all = $(binaries-all-tests)
183 binaries-static-notests =
184 binaries-static-tests =
187 binaries-pie-notests =
190 binaries-pie = $(binaries-pie-tests) $(binaries-pie-notests)
191 binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \
192 $(binaries-all-tests))
193 binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \
194 $(binaries-all-notests))
196 ifneq "$(strip $(binaries-shared-notests))" ""
197 $(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \
198 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
199 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
203 ifneq "$(strip $(binaries-shared-tests))" ""
204 $(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \
205 $(link-extra-libs-tests) \
206 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
207 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
211 ifneq "$(strip $(binaries-pie-tests))" ""
212 $(addprefix $(objpfx),$(binaries-pie-tests)): %: %.o \
213 $(link-extra-libs-tests) \
214 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
215 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
219 ifneq "$(strip $(binaries-pie-notests))" ""
220 $(addprefix $(objpfx),$(binaries-pie-notests)): %: %.o \
221 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
222 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
226 ifneq "$(strip $(binaries-static-notests))" ""
227 $(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \
228 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
229 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
233 ifneq "$(strip $(binaries-static-tests))" ""
234 $(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \
235 $(link-extra-libs-tests) \
236 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
237 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
238 $(+link-static-tests)
241 ifneq "$(strip $(tests) $(tests-internal) $(xtests) $(test-srcs))" ""
242 # These are the implicit rules for making test outputs
243 # from the test programs and whatever input files are present.
246 $(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only),\
247 $(test-wrapper-env) $(run-program-env) $($*-ENV)) \
248 $(host-test-program-cmd) $($*-ARGS)
250 $(objpfx)%.out: %.input $(objpfx)%
251 $(make-test-out) > $@ < $(word 1,$^); \
253 $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
254 $(make-test-out) > $@; \
258 # Any tests that require an isolated container (filesystem, network
259 # and pid namespaces) in which to run, should be added to
261 $(tests-container:%=$(objpfx)%.out): $(objpfx)%.out : $(if $(wildcard $(objpfx)%.files),$(objpfx)%.files,/dev/null) $(objpfx)%
262 $(test-wrapper-env) $(run-program-env) $(run-via-rtld-prefix) \
263 $(common-objpfx)support/test-container env $(run-program-env) $($*-ENV) \
264 $(host-test-program-cmd) $($*-ARGS) > $@; \
268 # tests-unsupported lists tests that we will not try to build at all in
269 # this configuration. Note this runs every time because it does not
270 # actually create its target. The dependency on Makefile is meant to
271 # ensure that it runs after a Makefile change to add a test to the list
272 # when it previously ran and produced a .out file (probably for a failure).
273 ifneq "$(strip $(tests-unsupported))" ""
274 $(tests-unsupported:%=$(objpfx)%.out): $(objpfx)%.out: Makefile
276 $(..)scripts/evaluate-test.sh $(patsubst $(common-objpfx)%.out,%,$@) \
277 77 false false > $(@:.out=.test-result)
282 ifneq "$(strip $(tests-printers))" ""
284 # Static pattern rule for building the test programs for the pretty printers.
285 $(tests-printers-programs): %: %.o $(tests-printers-libs) \
286 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
287 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
288 $(+link-printers-tests)
290 # Add the paths to the generated constants file and test_common_printers.py
291 # to PYTHONPATH so the test scripts can find them.
292 py-env := PYTHONPATH=$(py-const-dir):$(..)scripts:$${PYTHONPATH}
294 # Static pattern rule that matches the test-* targets to their .c and .py
295 # prerequisites. It'll run the corresponding test script for each test program
296 # we compiled and place its output in the corresponding .out file.
297 # The pretty printer files and test_common_printers.py must be present for all.
298 $(tests-printers-out): $(objpfx)%.out: $(objpfx)% %.py %.c $(pretty-printers) \
299 $(..)scripts/test_printers_common.py
300 $(test-wrapper-env) $(py-env) \
301 $(PYTHON) $*.py $*.c $(objpfx)$* $(pretty-printers) > $@; \
306 .PHONY: distclean realclean subdir_distclean subdir_realclean \
307 subdir_clean subdir_mostlyclean subdir_testclean
308 subdir_mostlyclean: mostlyclean
310 subdir_distclean: distclean
311 subdir_realclean: realclean
312 subdir_testclean: do-tests-clean
316 # We want to install everything except the library itself, but update all
317 # our portions of the library because the parent make will install it later
318 # (likewise the stubs file).
319 .PHONY: subdir_install
320 subdir_install: install-no-libc.a lib-noranlib stubs
322 .PHONY: subdir_objs subdir_stubs
326 # Target required by the Hurd to ensure that all the MiG-generated
327 # headers are in place before building a subdirectory.
328 .PHONY: before-compile
329 before-compile: $(before-compile)
331 $(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);