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1 | # Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc. | |
2 | # This file is part of the GNU C Library. | |
3 | ||
4 | # The GNU C Library is free software; you can redistribute it and/or | |
5 | # modify it under the terms of the GNU Library General Public License as | |
6 | # published by the Free Software Foundation; either version 2 of the | |
7 | # License, or (at your option) any later version. | |
8 | ||
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 | # Library General Public License for more details. | |
13 | ||
14 | # You should have received a copy of the GNU Library General Public | |
15 | # License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | # Boston, MA 02111-1307, USA. | |
18 | ||
19 | # | |
20 | # Master Makefile for the GNU C library | |
21 | # | |
22 | ifneq (,) | |
23 | This makefile requires GNU Make. | |
24 | endif | |
25 | ||
26 | include Makeconfig | |
27 | ||
28 | ||
29 | # This is the default target; it makes everything except the tests. | |
30 | .PHONY: all | |
31 | all: lib others | |
32 | \f | |
33 | ifeq ($(with-cvs),yes) | |
34 | define autoconf-it | |
35 | @-rm -f $@.new | |
36 | autoconf $(ACFLAGS) $< > $@.new | |
37 | chmod a-w,a+x $@.new | |
38 | mv -f $@.new $@ | |
39 | test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@ | |
40 | endef | |
41 | else | |
42 | define autoconf-it | |
43 | @-rm -f $@.new | |
44 | autoconf $(ACFLAGS) $< > $@.new | |
45 | chmod a-w,a+x $@.new | |
46 | mv -f $@.new $@ | |
47 | endef | |
48 | endif | |
49 | ||
50 | configure: configure.in aclocal.m4; $(autoconf-it) | |
51 | %/configure: %/configure.in aclocal.m4; $(autoconf-it) | |
52 | ||
53 | # These are the targets that are made by making them in each subdirectory. | |
54 | +subdir_targets := subdir_lib objects objs others subdir_mostlyclean \ | |
55 | subdir_clean subdir_distclean subdir_realclean \ | |
56 | tests subdir_lint.out \ | |
57 | subdir_distinfo \ | |
58 | subdir_echo-headers subdir_echo-distinfo \ | |
59 | subdir_install \ | |
60 | $(addprefix install-, no-libc.a bin lib data headers others) | |
61 | \f | |
62 | headers := errno.h sys/errno.h bits/errno.h limits.h values.h \ | |
63 | features.h gnu-versions.h bits/libc-lock.h bits/xopen_lim.h \ | |
64 | gnu/libc-version.h | |
65 | ||
66 | echo-headers: subdir_echo-headers | |
67 | ||
68 | # The headers are in the include directory. | |
69 | subdir-dirs = include | |
70 | vpath %.h $(subdir-dirs) | |
71 | ||
72 | # What to install. | |
73 | install-others = $(inst_includedir)/gnu/stubs.h | |
74 | install-bin = glibcbug | |
75 | ||
76 | ifeq (yes,$(build-shared)) | |
77 | install-others += $(inst_includedir)/gnu/lib-names.h | |
78 | endif | |
79 | ||
80 | include Makerules | |
81 | ||
82 | # Install from subdirectories too. | |
83 | install: subdir_install | |
84 | ||
85 | # Make sure that the dynamic linker is installed before libc. | |
86 | $(inst_slibdir)/libc-$(version).so: elf/ldso_install | |
87 | ||
88 | .PHONY: elf/ldso_install | |
89 | elf/ldso_install: | |
90 | $(MAKE) -C $(@D) $(@F) | |
91 | ||
92 | # Create links for shared libraries using the `ldconfig' program is possible. | |
93 | # Ignore the error if we cannot update /etc/ld.so.cache. | |
94 | ifeq (no,$(cross-compiling)) | |
95 | ifeq (yes,$(build-shared)) | |
96 | install: | |
97 | -test ! -x $(common-objpfx)elf/ldconfig || \ | |
98 | $(common-objpfx)elf/ldconfig -d $(inst_slibdir) $(inst_libdir) | |
99 | ifneq (no,$(PERL)) | |
100 | ifeq (/usr,$(prefix)) | |
101 | ifeq (,$(install_root)) | |
102 | CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx) | |
103 | endif | |
104 | endif | |
105 | endif | |
106 | endif | |
107 | endif | |
108 | ||
109 | # Build subdirectory lib objects. | |
110 | lib-noranlib: subdir_lib | |
111 | ||
112 | ifeq (yes,$(build-shared)) | |
113 | # Build the shared object from the PIC object library. | |
114 | lib: $(common-objpfx)libc.so | |
115 | endif | |
116 | \f | |
117 | # Makerules creates a file `stubs' in each subdirectory, which | |
118 | # contains `#define __stub_FUNCTION' for each function defined in that | |
119 | # directory which is a stub. | |
120 | # Here we paste all of these together into <gnu/stubs.h>. | |
121 | ||
122 | subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs) | |
123 | ||
124 | # Since stubs.h is never needed when building the library, we simplify the | |
125 | # hairy installation process by producing it in place only as the last part | |
126 | # of the top-level `make install'. It depends on subdir_install, which | |
127 | # iterates over all the subdirs; subdir_install in each subdir depends on | |
128 | # the subdir's stubs file. Having more direct dependencies would result in | |
129 | # extra iterations over the list for subdirs and many recursive makes. | |
130 | $(inst_includedir)/gnu/stubs.h: subdir_install | |
131 | $(make-target-directory) | |
132 | @rm -f $(objpfx)stubs.h | |
133 | (echo '/* This file is automatically generated.';\ | |
134 | echo ' It defines a symbol `__stub_FUNCTION'\'' for each function';\ | |
135 | echo ' in the C library which is a stub, meaning it will fail';\ | |
136 | echo ' every time called, usually setting errno to ENOSYS. */';\ | |
137 | sort $(subdir-stubs)) > $(objpfx)stubs.h | |
138 | if test -r $@ && cmp -s $(objpfx)stubs.h $@; \ | |
139 | then echo 'stubs.h unchanged'; \ | |
140 | else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi | |
141 | rm -f $(objpfx)stubs.h | |
142 | \f | |
143 | ifeq (yes,$(build-shared)) | |
144 | ||
145 | $(inst_includedir)/gnu/lib-names.h: $(common-objpfx)gnu/lib-names.h $(+force) | |
146 | $(make-target-directory) | |
147 | if test -r $@ && cmp -s $< $@; \ | |
148 | then echo 'gnu/lib-names.h unchanged'; \ | |
149 | else $(INSTALL_DATA) $< $@; fi | |
150 | endif | |
151 | \f | |
152 | # The `glibcbug' script contains the version number and it shall be rebuild | |
153 | # whenever this changes or the `glibcbug.in' file. | |
154 | $(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in | |
155 | cd $(<D) && CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F) | |
156 | \f | |
157 | # This makes the Info or DVI file of the documentation from the Texinfo source. | |
158 | .PHONY: info dvi | |
159 | info dvi: | |
160 | $(MAKE) $(PARALLELMFLAGS) -C manual $@ | |
161 | \f | |
162 | # This makes all the subdirectory targets. | |
163 | ||
164 | # For each target, make it depend on DIR/target for each subdirectory DIR. | |
165 | $(+subdir_targets): %: $(addsuffix /%,$(subdirs)) | |
166 | ||
167 | # Compute a list of all those targets. | |
168 | all-subdirs-targets := $(foreach dir,$(subdirs),\ | |
169 | $(addprefix $(dir)/,$(+subdir_targets))) | |
170 | ||
171 | # The action for each of those is to cd into the directory and make the | |
172 | # target there. | |
173 | $(all-subdirs-targets): | |
174 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
175 | ||
176 | .PHONY: $(+subdir_targets) $(all-subdirs-targets) | |
177 | \f | |
178 | # Targets to clean things up to various degrees. | |
179 | ||
180 | .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean | |
181 | ||
182 | # Subroutines of all cleaning targets. | |
183 | parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules. | |
184 | -rm -f $(foreach o,$(object-suffixes-for-libc),\ | |
185 | $(common-objpfx)$(patsubst %,$(libtype$o),c)) \ | |
186 | $(addprefix $(objpfx),$(install-lib)) | |
187 | parent-clean: parent-mostlyclean common-clean | |
188 | ||
189 | postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \ | |
190 | $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules) \ | |
191 | $(objpfx)soversions.mk | |
192 | ||
193 | clean: parent-clean | |
194 | # This is done this way rather than having `subdir_clean' be a | |
195 | # dependency of this target so that libc.a will be removed before the | |
196 | # subdirectories are dealt with and so they won't try to remove object | |
197 | # files from it when it's going to be removed anyway. | |
198 | @$(MAKE) subdir_clean no_deps=t | |
199 | mostlyclean: parent-mostlyclean | |
200 | @$(MAKE) subdir_mostlyclean no_deps=t | |
201 | -rm -f $(postclean) | |
202 | ||
203 | # The realclean target is just like distclean for the parent, but we want | |
204 | # the subdirs to know the difference in case they care. | |
205 | realclean distclean: parent-clean | |
206 | # This is done this way rather than having `subdir_distclean' be a | |
207 | # dependency of this target so that libc.a will be removed before the | |
208 | # subdirectories are dealt with and so they won't try to remove object | |
209 | # files from it when it's going to be removed anyway. | |
210 | @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \ | |
211 | sysdep-subdirs="$(sysdep-subdirs)" | |
212 | -rm -f $(postclean) | |
213 | ||
214 | # Subroutine of distclean and realclean. | |
215 | distclean-1: subdir_$(distclean-1) | |
216 | -rm -f $(config-generated) | |
217 | -rm -f $(addprefix $(objpfx),config.status config.cache config.log) | |
218 | -rm -f $(addprefix $(objpfx),config.make config-name.h config.h) | |
219 | -rm -f $(addprefix $(objpfx),glibcbug) | |
220 | ifdef objdir | |
221 | -rm -f $(objpfx)Makefile | |
222 | endif | |
223 | -rm -f $(sysdep-$(distclean-1)) | |
224 | \f | |
225 | .PHONY: echo_subdirs | |
226 | echo_subdirs:;@echo '$(subdirs)' | |
227 | ||
228 | .PHONY: echo-distinfo parent_echo-distinfo | |
229 | echo-distinfo: parent_echo-distinfo subdir_echo-distinfo | |
230 | parent_echo-distinfo: | |
231 | @echo $(addprefix +header+,$(headers)) \ | |
232 | $(addprefix +nodist+,$(generated)) | |
233 | ||
234 | \f | |
235 | # Make the distribution tarfile. | |
236 | ||
237 | distribute := README README.libm INSTALL FAQ NOTES NEWS PROJECTS \ | |
238 | BUGS COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \ | |
239 | Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \ | |
240 | extra-lib.mk o-iterator.mk libc.map configure \ | |
241 | configure.in aclocal.m4 config.h.in config.make.in \ | |
242 | config-name.in Makefile.in sysdep.h set-hooks.h \ | |
243 | libc-symbols.h version.h shlib-versions rpm/Makefile \ | |
244 | rpm/template rpm/rpmrc glibcbug.in abi-tags stub-tag.h \ | |
245 | test-skeleton.c include/des.h \ | |
246 | $(addprefix scripts/, \ | |
247 | rellns-sh config.sub config.guess printsources \ | |
248 | mkinstalldirs move-if-change install-sh =__ify \ | |
249 | test-installation.pl gen-FAQ.pl) | |
250 | ||
251 | distribute := $(strip $(distribute)) | |
252 | generated := $(generated) stubs.h | |
253 | ||
254 | README: README.template version.h ; # Make-dist should update README. | |
255 | ||
256 | define format-me | |
257 | @rm -f $@ | |
258 | makeinfo --no-validate --no-warn --no-headers $< -o $@ | |
259 | -chmod a-w $@ | |
260 | endef | |
261 | INSTALL: manual/install.texi; $(format-me) | |
262 | NOTES: manual/creature.texi; $(format-me) | |
263 | manual/dir-add.texi manual/dir-add.info: FORCE | |
264 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
265 | FAQ: scripts/gen-FAQ.pl FAQ.in | |
266 | $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@ | |
267 | ifeq ($(with-cvs),yes) | |
268 | test ! -d CVS || cvs $(CVSOPTS) commit -m'Regenerated: $(PERL) $^' $@ | |
269 | endif | |
270 | FORCE: | |
271 | ||
272 | rpm/%: subdir_distinfo | |
273 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) subdirs='$(subdirs)' $(@F) | |
274 | ||
275 | iconvdata/%: | |
276 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
277 | ||
278 | # This is a special goal for people making binary distributions. Normally | |
279 | # everybody uses the DES based crypt library but for the distribution we | |
280 | # need the only-MD5 based one as well. | |
281 | md5-crypt/libmd5crypt: | |
282 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) |