1 # Copyright (C) 1991-2000,2002,2003,2004,2005,2006
2 # Free Software Foundation, Inc.
3 # This file is part of the GNU C Library.
5 # The GNU C Library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2.1 of the License, or (at your option) any later version.
10 # The GNU C Library is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with the GNU C Library; if not, write to the Free
17 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 # Rules for making a subdirectory in the GNU C library.
22 # Each subdirectory Makefile defines some variables and includes this.
25 This makefile requires GNU Make.
28 all: # Don't let the default goal come from Makeconfig.
33 Each subdirectory makefile must define the `subdir' variable.
35 # This ` unconfuses emacs.
36 # This is benign and useless in GNU make before 3.63.
37 export subdir := $(subdir)
39 # This is the default target; it makes the library and auxiliary programs.
43 ifeq ($(build-programs),yes)
44 others: $(addprefix $(objpfx),$(extra-objs) \
46 $(install-bin) $(install-bin-script) \
47 $(install-rootsbin) $(install-sbin))
49 others: $(addprefix $(objpfx),$(extra-objs) \
53 ifneq "$(findstring env,$(origin headers))" ""
57 ifneq "$(findstring env,$(origin generated))" ""
61 ifneq "$(findstring env,$(origin common-generated))" ""
65 # See below. This must be set before Makerules processes it.
66 before-compile += $(common-objpfx)bits/stdio_lim.h
71 subdir_lib: lib-noranlib
73 # Some subdirs need to install a dummy library.
74 # They can use "$(objpfx)libfnord.a: $(dep-dummy-lib); $(make-dummy-lib)".
75 dep-dummy-lib = $(common-objpfx)dummy.o
77 $(AR) cr$(verbose) $@ $<
80 $(common-objpfx)dummy.c:
82 (echo 'extern void __dummy__ (void);'; \
83 echo 'void __dummy__ (void) { }') > $@
84 common-generated += dummy.o dummy.c
86 # This makes all the auxiliary and test programs.
89 ifeq ($(build-programs),yes)
90 others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
92 others: $(addprefix $(objpfx),$(extra-objs))
94 ifeq ($(cross-compiling),yes)
95 tests: $(addprefix $(objpfx),$(tests) $(test-srcs))
98 ifeq ($(build-bounded),yes)
99 tests-bp.out = $(tests:%=$(objpfx)%-bp.out)
100 xtests-bp.out = $(xtests:%=$(objpfx)%-bp.out)
102 tests: $(tests:%=$(objpfx)%.out) $(tests-bp.out)
103 xtests: tests $(xtests:%=$(objpfx)%.out) $(xtests-bp.out)
106 ifeq ($(build-programs),yes)
107 binaries-all = $(others) $(sysdep-others) $(tests) $(xtests) $(test-srcs)
108 binaries-static = $(others-static) $(tests-static) $(xtests-static)
110 binaries-all = $(tests) $(xtests) $(test-srcs)
114 binaries-shared = $(filter-out $(binaries-static), $(binaries-all))
116 ifneq "$(strip $(binaries-shared))" ""
117 $(addprefix $(objpfx),$(binaries-shared)): %: %.o \
118 $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
119 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
123 ifneq "$(strip $(binaries-static))" ""
124 $(addprefix $(objpfx),$(binaries-static)): %: %.o \
125 $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
126 $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
130 ifeq ($(build-bounded),yes)
131 binaries-bounded = $(addsuffix -bp,$(tests) $(xtests) $(test-srcs))
132 $(addprefix $(objpfx),$(binaries-bounded)): %-bp: %.ob \
133 $(sort $(filter $(common-objpfx)lib%,$(link-libc-bounded))) \
134 $(addprefix $(csu-objpfx),start.ob) $(+preinit) $(+postinit)
138 ifneq "$(strip $(tests) $(xtests) $(test-srcs))" ""
139 # These are the implicit rules for making test outputs
140 # from the test programs and whatever input files are present.
142 make-test-out = GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
143 $($*-ENV) $(built-program-cmd) $($*-ARGS)
144 $(objpfx)%-bp.out: %.input $(objpfx)%-bp
145 $(make-test-out) > $@ < $(word 1,$^)
146 $(objpfx)%.out: %.input $(objpfx)%
147 $(make-test-out) > $@ < $(word 1,$^)
148 $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
149 $(make-test-out) > $@
153 .PHONY: distclean realclean subdir_distclean subdir_realclean \
154 subdir_clean subdir_mostlyclean subdir_testclean
155 subdir_mostlyclean: mostlyclean
157 subdir_distclean: distclean
158 subdir_realclean: realclean
159 subdir_testclean: do-tests-clean
163 # We want to install everything except the library itself, but update all
164 # our portions of the library because the parent make will install it later
165 # (likewise the stubs file).
166 .PHONY: subdir_install
167 subdir_install: install-no-libc.a lib-noranlib stubs
169 .PHONY: subdir_objs subdir_stubs
173 # Target required by the Hurd to ensure that all the MiG-generated
174 # headers are in place before building a subdirectory.
175 .PHONY: before-compile
176 before-compile: $(before-compile)
178 $(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);