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 $(+includes)" \
107 # This makes all the auxiliary and test programs.
109 .PHONY: others tests bench bench-build
111 ifeq ($(build-programs),yes)
112 others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
114 others: $(addprefix $(objpfx),$(extra-objs))
116 ifeq ($(run-built-tests),no)
117 tests: $(addprefix $(objpfx),$(filter-out $(tests-unsupported),$(tests)) \
118 $(test-srcs)) $(tests-special)
119 xtests: tests $(xtests-special)
121 tests: $(tests:%=$(objpfx)%.out) $(tests-special)
122 xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-special)
125 tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special))
126 xtests-special-notdir = $(patsubst $(objpfx)%, %, $(xtests-special))
127 ifeq ($(run-built-tests),no)
130 tests-expected = $(tests)
133 $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
134 $(sort $(tests-expected) $(tests-special-notdir:.out=)) \
135 > $(objpfx)subdir-tests.sum
137 $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
138 $(sort $(xtests) $(xtests-special-notdir:.out=)) \
139 > $(objpfx)subdir-xtests.sum
141 ifeq ($(build-programs),yes)
142 binaries-all-notests = $(others) $(sysdep-others)
143 binaries-all-tests = $(tests) $(xtests) $(test-srcs)
144 binaries-all = $(binaries-all-notests) $(binaries-all-tests)
145 binaries-static-notests = $(others-static)
146 binaries-static-tests = $(tests-static) $(xtests-static)
147 binaries-static = $(binaries-static-notests) $(binaries-static-tests)
148 ifeq (yesyes,$(have-fpie)$(build-shared))
149 binaries-pie-tests = $(tests-pie) $(xtests-pie)
150 binaries-pie-notests = $(others-pie)
153 binaries-pie-notests =
156 binaries-all-notests =
157 binaries-all-tests = $(tests) $(xtests) $(test-srcs)
158 binaries-all = $(binaries-all-tests)
159 binaries-static-notests =
160 binaries-static-tests =
163 binaries-pie-notests =
166 binaries-pie = $(binaries-pie-tests) $(binaries-pie-notests)
167 binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \
168 $(binaries-all-tests))
169 binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \
170 $(binaries-all-notests))
172 ifneq "$(strip $(binaries-shared-notests))" ""
173 $(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \
174 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
175 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
179 ifneq "$(strip $(binaries-shared-tests))" ""
180 $(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \
181 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
182 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
186 ifneq "$(strip $(binaries-pie-tests))" ""
187 $(addprefix $(objpfx),$(binaries-pie-tests)): %: %.o \
188 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
189 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
193 ifneq "$(strip $(binaries-pie-notests))" ""
194 $(addprefix $(objpfx),$(binaries-pie-notests)): %: %.o \
195 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
196 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
200 ifneq "$(strip $(binaries-static-notests))" ""
201 $(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \
202 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
203 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
207 ifneq "$(strip $(binaries-static-tests))" ""
208 $(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \
209 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
210 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
211 $(+link-static-tests)
214 ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
215 # These are the implicit rules for making test outputs
216 # from the test programs and whatever input files are present.
219 $(if $($*-ENV-only),$(test-wrapper-env-only) $($*-ENV-only),\
220 $(test-wrapper-env) $(run-program-env) $($*-ENV)) \
221 $(host-test-program-cmd) $($*-ARGS)
223 $(objpfx)%.out: %.input $(objpfx)%
224 $(make-test-out) > $@ < $(word 1,$^); \
226 $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
227 $(make-test-out) > $@; \
230 # tests-unsupported lists tests that we will not try to build at all in
231 # this configuration. Note this runs every time because it does not
232 # actually create its target. The dependency on Makefile is meant to
233 # ensure that it runs after a Makefile change to add a test to the list
234 # when it previously ran and produced a .out file (probably for a failure).
235 ifneq "$(strip $(tests-unsupported))" ""
236 $(tests-unsupported:%=$(objpfx)%.out): $(objpfx)%.out: Makefile
238 $(..)scripts/evaluate-test.sh $(patsubst $(common-objpfx)%.out,%,$@) \
239 77 false false > $(@:.out=.test-result)
245 .PHONY: distclean realclean subdir_distclean subdir_realclean \
246 subdir_clean subdir_mostlyclean subdir_testclean
247 subdir_mostlyclean: mostlyclean
249 subdir_distclean: distclean
250 subdir_realclean: realclean
251 subdir_testclean: do-tests-clean
255 # We want to install everything except the library itself, but update all
256 # our portions of the library because the parent make will install it later
257 # (likewise the stubs file).
258 .PHONY: subdir_install
259 subdir_install: install-no-libc.a lib-noranlib stubs
261 .PHONY: subdir_objs subdir_stubs
265 # Target required by the Hurd to ensure that all the MiG-generated
266 # headers are in place before building a subdirectory.
267 .PHONY: before-compile
268 before-compile: $(before-compile)
270 $(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);