1 # Copyright (C) 1991-2014 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) { }') > $@
82 common-generated += dummy.o dummy.c
84 # This makes all the auxiliary and test programs.
86 .PHONY: others tests bench
87 ifeq ($(multi-arch),no)
88 tests := $(filter-out $(tests-ifunc), $(tests))
89 xtests := $(filter-out $(xtests-ifunc), $(xtests))
92 ifeq ($(build-programs),yes)
93 others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
95 others: $(addprefix $(objpfx),$(extra-objs))
97 ifeq ($(run-built-tests),no)
98 tests: $(addprefix $(objpfx),$(tests) $(test-srcs)) $(tests-special)
99 xtests: tests $(xtests-special)
101 tests: $(tests:%=$(objpfx)%.out) $(tests-special)
102 xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-special)
105 tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special))
106 xtests-special-notdir = $(patsubst $(objpfx)%, %, $(xtests-special))
108 $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
109 $(sort $(tests) $(tests-special-notdir:.out=)) \
110 > $(objpfx)subdir-tests.sum
112 $(..)scripts/merge-test-results.sh -s $(objpfx) $(subdir) \
113 $(sort $(xtests) $(xtests-special-notdir:.out=)) \
114 > $(objpfx)subdir-xtests.sum
116 ifeq ($(build-programs),yes)
117 binaries-all-notests = $(others) $(sysdep-others)
118 binaries-all-tests = $(tests) $(xtests) $(test-srcs)
119 binaries-all = $(binaries-all-notests) $(binaries-all-tests)
120 binaries-static-notests = $(others-static)
121 binaries-static-tests = $(tests-static) $(xtests-static)
122 binaries-static = $(binaries-static-notests) $(binaries-static-tests)
123 ifeq (yesyes,$(have-fpie)$(build-shared))
124 binaries-pie-tests = $(tests-pie) $(xtests-pie)
125 binaries-pie-notests = $(others-pie)
128 binaries-pie-notests =
131 binaries-all-notests =
132 binaries-all-tests = $(tests) $(xtests) $(test-srcs)
133 binaries-all = $(binaries-all-tests)
134 binaries-static-notests =
135 binaries-static-tests =
138 binaries-pie-notests =
141 binaries-pie = $(binaries-pie-tests) $(binaries-pie-notests)
142 binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \
143 $(binaries-all-tests))
144 binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \
145 $(binaries-all-notests))
147 ifneq "$(strip $(binaries-shared-notests))" ""
148 $(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \
149 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
150 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
154 ifneq "$(strip $(binaries-shared-tests))" ""
155 $(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \
156 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
157 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
161 ifneq "$(strip $(binaries-pie-tests))" ""
162 $(addprefix $(objpfx),$(binaries-pie-tests)): %: %.o \
163 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
164 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
168 ifneq "$(strip $(binaries-pie-notests))" ""
169 $(addprefix $(objpfx),$(binaries-pie-notests)): %: %.o \
170 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
171 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
175 ifneq "$(strip $(binaries-static-notests))" ""
176 $(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \
177 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
178 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
182 ifneq "$(strip $(binaries-static-tests))" ""
183 $(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \
184 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
185 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
186 $(+link-static-tests)
189 ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
190 # These are the implicit rules for making test outputs
191 # from the test programs and whatever input files are present.
193 make-test-out = $(test-wrapper-env) \
195 $($*-ENV) $(host-test-program-cmd) $($*-ARGS)
196 $(objpfx)%.out: %.input $(objpfx)%
197 $(make-test-out) > $@ < $(word 1,$^); \
199 $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
200 $(make-test-out) > $@; \
206 .PHONY: distclean realclean subdir_distclean subdir_realclean \
207 subdir_clean subdir_mostlyclean subdir_testclean
208 subdir_mostlyclean: mostlyclean
210 subdir_distclean: distclean
211 subdir_realclean: realclean
212 subdir_testclean: do-tests-clean
216 # We want to install everything except the library itself, but update all
217 # our portions of the library because the parent make will install it later
218 # (likewise the stubs file).
219 .PHONY: subdir_install
220 subdir_install: install-no-libc.a lib-noranlib stubs
222 .PHONY: subdir_objs subdir_stubs
226 # Target required by the Hurd to ensure that all the MiG-generated
227 # headers are in place before building a subdirectory.
228 .PHONY: before-compile
229 before-compile: $(before-compile)
231 $(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);