1 # Copyright (C) 1991-2012 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) { }') > $@
82 common-generated += dummy.o dummy.c
84 # This makes all the auxiliary and test programs.
87 ifeq ($(build-programs),yes)
88 others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
90 others: $(addprefix $(objpfx),$(extra-objs))
92 ifeq ($(cross-compiling),yes)
93 tests: $(addprefix $(objpfx),$(tests) $(test-srcs))
96 ifeq ($(build-bounded),yes)
97 tests-bp.out = $(tests:%=$(objpfx)%-bp.out)
98 xtests-bp.out = $(xtests:%=$(objpfx)%-bp.out)
100 tests: $(tests:%=$(objpfx)%.out) $(tests-bp.out)
101 xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-bp.out)
104 ifeq ($(build-programs),yes)
105 binaries-all-notests = $(others) $(sysdep-others)
106 binaries-all-tests = $(tests) $(xtests) $(test-srcs)
107 binaries-all = $(binaries-all-notests) $(binaries-all-tests)
108 binaries-static-notests = $(others-static)
109 binaries-static-tests = $(tests-static) $(xtests-static)
110 binaries-static = $(binaries-static-notests) $(binaries-static-tests)
111 ifeq (yesyes,$(have-fpie)$(build-shared))
112 binaries-pie = $(others-pie) $(tests-pie) $(xtests-pie)
117 binaries-all-notests =
118 binaries-all-tests = $(tests) $(xtests) $(test-srcs)
119 binaries-all = $(binaries-all-tests)
120 binaries-static-notests =
121 binaries-static-tests =
126 binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \
127 $(binaries-all-tests))
128 binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \
129 $(binaries-all-notests))
131 ifneq "$(strip $(binaries-shared-notests))" ""
132 $(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \
133 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
134 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
138 ifneq "$(strip $(binaries-shared-tests))" ""
139 $(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \
140 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
141 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
145 ifneq "$(strip $(binaries-pie))" ""
146 $(addprefix $(objpfx),$(binaries-pie)): %: %.o \
147 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
148 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
152 ifneq "$(strip $(binaries-static-notests))" ""
153 $(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \
154 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
155 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
159 ifneq "$(strip $(binaries-static-tests))" ""
160 $(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \
161 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
162 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
163 $(+link-static-tests)
166 ifeq ($(build-bounded),yes)
167 binaries-bounded = $(addsuffix -bp,$(tests) $(xtests) $(test-srcs))
168 $(addprefix $(objpfx),$(binaries-bounded)): %-bp: %.ob \
169 $(sort $(filter $(common-objpfx)lib%,$(link-libc-bounded))) \
170 $(addprefix $(csu-objpfx),start.ob) $(+preinit) $(+postinit)
174 ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
175 # These are the implicit rules for making test outputs
176 # from the test programs and whatever input files are present.
178 make-test-out = GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
179 $($*-ENV) $(built-program-cmd) $($*-ARGS)
180 $(objpfx)%-bp.out: %.input $(objpfx)%-bp
181 $(make-test-out) > $@ < $(word 1,$^)
182 $(objpfx)%.out: %.input $(objpfx)%
183 $(make-test-out) > $@ < $(word 1,$^)
184 $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
185 $(make-test-out) > $@
189 .PHONY: distclean realclean subdir_distclean subdir_realclean \
190 subdir_clean subdir_mostlyclean subdir_testclean
191 subdir_mostlyclean: mostlyclean
193 subdir_distclean: distclean
194 subdir_realclean: realclean
195 subdir_testclean: do-tests-clean
199 # We want to install everything except the library itself, but update all
200 # our portions of the library because the parent make will install it later
201 # (likewise the stubs file).
202 .PHONY: subdir_install
203 subdir_install: install-no-libc.a lib-noranlib stubs
205 .PHONY: subdir_objs subdir_stubs
209 # Target required by the Hurd to ensure that all the MiG-generated
210 # headers are in place before building a subdirectory.
211 .PHONY: before-compile
212 before-compile: $(before-compile)
214 $(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);