1 # Copyright (C) 1991-2016 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 := nonlib
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 := nonlib
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)" \
107 # This makes all the auxiliary and test programs.
109 .PHONY: others tests bench bench-build
111 # Test programs for the pretty printers.
112 tests-printers-programs := $(addprefix $(objpfx),$(tests-printers))
114 # .out files with the output of running the pretty printer tests.
115 tests-printers-out := $(patsubst %,$(objpfx)%.out,$(tests-printers))
117 ifeq ($(build-programs),yes)
118 others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
120 others: $(addprefix $(objpfx),$(extra-objs))
123 # Generate constant files for Python pretty printers if required.
126 ifeq ($(run-built-tests),no)
127 tests: $(addprefix $(objpfx),$(filter-out $(tests-unsupported),$(tests)) \
128 $(test-srcs)) $(tests-special) \
129 $(tests-printers-programs)
130 xtests: tests $(xtests-special)
132 tests: $(tests:%=$(objpfx)%.out) $(tests-special) $(tests-printers-out)
133 xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-special)
136 tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special))
137 xtests-special-notdir = $(patsubst $(objpfx)%, %, $(xtests-special))
138 ifeq ($(run-built-tests),no)
141 tests-expected = $(tests) $(tests-printers)
144 $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
145 $(sort $(tests-expected) $(tests-special-notdir:.out=)) \
146 > $(objpfx)subdir-tests.sum
148 $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
149 $(sort $(xtests) $(xtests-special-notdir:.out=)) \
150 > $(objpfx)subdir-xtests.sum
152 ifeq ($(build-programs),yes)
153 binaries-all-notests = $(others) $(sysdep-others)
154 binaries-all-tests = $(tests) $(xtests) $(test-srcs)
155 binaries-all = $(binaries-all-notests) $(binaries-all-tests)
156 binaries-static-notests = $(others-static)
157 binaries-static-tests = $(tests-static) $(xtests-static)
158 binaries-static = $(binaries-static-notests) $(binaries-static-tests)
159 ifeq (yesyes,$(have-fpie)$(build-shared))
160 binaries-pie-tests = $(tests-pie) $(xtests-pie)
161 binaries-pie-notests = $(others-pie)
164 binaries-pie-notests =
167 binaries-all-notests =
168 binaries-all-tests = $(tests) $(xtests) $(test-srcs)
169 binaries-all = $(binaries-all-tests)
170 binaries-static-notests =
171 binaries-static-tests =
174 binaries-pie-notests =
177 binaries-pie = $(binaries-pie-tests) $(binaries-pie-notests)
178 binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \
179 $(binaries-all-tests))
180 binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \
181 $(binaries-all-notests))
183 ifneq "$(strip $(binaries-shared-notests))" ""
184 $(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \
185 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
186 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
190 ifneq "$(strip $(binaries-shared-tests))" ""
191 $(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \
192 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
193 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
197 ifneq "$(strip $(binaries-pie-tests))" ""
198 $(addprefix $(objpfx),$(binaries-pie-tests)): %: %.o \
199 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
200 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
204 ifneq "$(strip $(binaries-pie-notests))" ""
205 $(addprefix $(objpfx),$(binaries-pie-notests)): %: %.o \
206 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
207 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
211 ifneq "$(strip $(binaries-static-notests))" ""
212 $(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \
213 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
214 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
218 ifneq "$(strip $(binaries-static-tests))" ""
219 $(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \
220 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
221 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
222 $(+link-static-tests)
225 ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
226 # These are the implicit rules for making test outputs
227 # from the test programs and whatever input files are present.
230 $(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only),\
231 $(test-wrapper-env) $(run-program-env) $($*-ENV)) \
232 $(host-test-program-cmd) $($*-ARGS)
234 $(objpfx)%.out: %.input $(objpfx)%
235 $(make-test-out) > $@ < $(word 1,$^); \
237 $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
238 $(make-test-out) > $@; \
241 # tests-unsupported lists tests that we will not try to build at all in
242 # this configuration. Note this runs every time because it does not
243 # actually create its target. The dependency on Makefile is meant to
244 # ensure that it runs after a Makefile change to add a test to the list
245 # when it previously ran and produced a .out file (probably for a failure).
246 ifneq "$(strip $(tests-unsupported))" ""
247 $(tests-unsupported:%=$(objpfx)%.out): $(objpfx)%.out: Makefile
249 $(..)scripts/evaluate-test.sh $(patsubst $(common-objpfx)%.out,%,$@) \
250 77 false false > $(@:.out=.test-result)
255 ifneq "$(strip $(tests-printers))" ""
256 # We're defining this here for now; later it'll be defined at configure time
260 # Static pattern rule for building the test programs for the pretty printers.
261 $(tests-printers-programs): %: %.o $(tests-printers-libs) \
262 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
263 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
264 $(+link-printers-tests)
266 # Add the paths to the generated constants file and test_common_printers.py
267 # to PYTHONPATH so the test scripts can find them.
268 py-env := PYTHONPATH=$(py-const-dir):$(..)scripts:$${PYTHONPATH}
270 # Static pattern rule that matches the test-* targets to their .c and .py
271 # prerequisites. It'll run the corresponding test script for each test program
272 # we compiled and place its output in the corresponding .out file.
273 # The pretty printer files and test_common_printers.py must be present for all.
274 $(tests-printers-out): $(objpfx)%.out: $(objpfx)% %.py %.c $(pretty-printers) \
275 $(..)scripts/test_printers_common.py
276 $(test-wrapper-env) $(py-env) \
277 $(PYTHON) $*.py $*.c $(objpfx)$* $(pretty-printers) > $@; \
282 .PHONY: distclean realclean subdir_distclean subdir_realclean \
283 subdir_clean subdir_mostlyclean subdir_testclean
284 subdir_mostlyclean: mostlyclean
286 subdir_distclean: distclean
287 subdir_realclean: realclean
288 subdir_testclean: do-tests-clean
292 # We want to install everything except the library itself, but update all
293 # our portions of the library because the parent make will install it later
294 # (likewise the stubs file).
295 .PHONY: subdir_install
296 subdir_install: install-no-libc.a lib-noranlib stubs
298 .PHONY: subdir_objs subdir_stubs
302 # Target required by the Hurd to ensure that all the MiG-generated
303 # headers are in place before building a subdirectory.
304 .PHONY: before-compile
305 before-compile: $(before-compile)
307 $(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);