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1 | # Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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 | ||
27 | # This is the default target; it makes everything except the tests. | |
28 | .PHONY: all | |
29 | all: lib others | |
30 | \f | |
31 | define autoconf-it | |
32 | @-rm -f $@.new | |
33 | autoconf $(ACFLAGS) $< > $@.new | |
34 | chmod a-w,a+x $@.new | |
35 | mv -f $@.new $@ | |
36 | test ! -d CVS || cvs commit -m'Regenerated: autoconf $(ACFLAGS) $<' $@ | |
37 | endef | |
38 | ||
39 | configure: configure.in aclocal.m4; $(autoconf-it) | |
40 | %/configure: %/configure.in aclocal.m4; $(autoconf-it) | |
41 | ||
42 | include Makeconfig | |
43 | ||
44 | ifndef avoid-generated | |
45 | -include $(objpfx)sysd-dirs | |
46 | define \n | |
47 | ||
48 | ||
49 | endef | |
50 | sysdep-subdirs := $(subst $(\n), ,$(sysdep-subdirs)) | |
51 | endif | |
52 | ||
53 | # These are the subdirectories containing the library source. | |
54 | subdirs = csu assert ctype db2 locale intl catgets math setjmp signal stdlib \ | |
55 | stdio-common $(stdio) malloc string wcsmbs time dirent grp pwd \ | |
56 | posix io termios resource misc socket sysvipc gmon gnulib iconv \ | |
57 | iconvdata wctype manual shadow md5-crypt po argp $(add-ons) nss \ | |
58 | localedata $(rt) $(sysdep-subdirs) $(binfmt-subdir) | |
59 | export subdirs := $(subdirs) # Benign, useless in GNU make before 3.63. | |
60 | ||
61 | # The mach and hurd subdirectories have many generated header files which | |
62 | # much of the rest of the library depends on, so it is best to build them | |
63 | # first (and mach before hurd, at that). The before-compile additions in | |
64 | # sysdeps/{mach,hurd}/Makefile should make it reliably work for these files | |
65 | # not to exist when making in other directories, but it will be slower that | |
66 | # way with more somewhat expensive `make' invocations. | |
67 | subdirs := $(filter mach,$(subdirs)) $(filter hurd,$(subdirs)) \ | |
68 | $(filter-out mach hurd,$(subdirs)) | |
69 | ||
70 | # All initialization source files. | |
71 | +subdir_inits := $(wildcard $(foreach dir,$(subdirs),$(dir)/init-$(dir).c)) | |
72 | # All subdirectories containing initialization source files. | |
73 | +init_subdirs := $(patsubst %/,%,$(dir $(+subdir_inits))) | |
74 | ||
75 | ||
76 | # These are the targets that are made by making them in each subdirectory. | |
77 | +subdir_targets := subdir_lib objects objs others subdir_mostlyclean \ | |
78 | subdir_clean subdir_distclean subdir_realclean \ | |
79 | tests subdir_lint.out \ | |
80 | subdir_distinfo \ | |
81 | subdir_echo-headers subdir_echo-distinfo \ | |
82 | subdir_install \ | |
83 | $(addprefix install-, no-libc.a bin lib data headers others) | |
84 | \f | |
85 | headers := errno.h sys/errno.h bits/errno.h limits.h values.h \ | |
86 | features.h gnu-versions.h bits/libc-lock.h bits/xopen_lim.h | |
87 | aux = sysdep $(libc-init) version | |
88 | before-compile += $(objpfx)version-info.h | |
89 | ||
90 | echo-headers: subdir_echo-headers | |
91 | ||
92 | # The headers are in the include directory. | |
93 | subdir-dirs = include | |
94 | vpath %.h $(subdir-dirs) | |
95 | ||
96 | # What to install. | |
97 | install-others = $(inst_includedir)/gnu/stubs.h | |
98 | install-bin = glibcbug | |
99 | ||
100 | ifeq (yes,$(build-shared)) | |
101 | install-others += $(inst_includedir)/gnu/lib-names.h | |
102 | endif | |
103 | ||
104 | ifeq (yes,$(gnu-ld)) | |
105 | libc-init = set-init | |
106 | else | |
107 | libc-init = munch-init | |
108 | $(objpfx)munch-init.c: munch.awk munch-tmpl.c $(+subdir_inits) | |
109 | awk -f $< subdirs='$(+init_subdirs)' $(word 2,$^) > $@-t | |
110 | mv -f $@-t $@ | |
111 | generated := $(generated) munch-init.c | |
112 | endif | |
113 | ||
114 | ||
115 | include Makerules | |
116 | ||
117 | # Install from subdirectories too. | |
118 | install: subdir_install | |
119 | ||
120 | # Make sure that the dynamic linker is installed before libc. | |
121 | $(inst_slibdir)/libc-$(version).so: elf/subdir_install | |
122 | ||
123 | # Create links for shared libraries using the `ldconfig' program is possible. | |
124 | # Ignore the error if we cannot update /etc/ld.so.cache. | |
125 | ifeq (no,$(cross-compiling)) | |
126 | ifeq (yes,$(build-shared)) | |
127 | install: | |
128 | -test ! -x $(common-objpfx)elf/ldconfig || \ | |
129 | $(common-objpfx)elf/ldconfig -d $(inst_slibdir) $(inst_libdir) | |
130 | ifneq (no,$(PERL)) | |
131 | ifeq (/usr,$(prefix)) | |
132 | ifeq (,$(install_root)) | |
133 | CC="$(CC)" $(PERL) test-installation.pl $(common-objpfx) | |
134 | endif | |
135 | endif | |
136 | endif | |
137 | endif | |
138 | endif | |
139 | ||
140 | # Build subdirectory lib objects. | |
141 | lib-noranlib: subdir_lib | |
142 | ||
143 | ifeq (yes,$(build-shared)) | |
144 | # Build the shared object from the PIC object library. | |
145 | lib: $(common-objpfx)libc.so | |
146 | endif | |
147 | ||
148 | all-Subdirs-files = $(wildcard $(addsuffix /Subdirs, $(config-sysdirs))) | |
149 | $(objpfx)sysd-dirs: $(+sysdir_pfx)config.make $(all-Subdirs-files) | |
150 | (echo define sysdep-subdirs; \ | |
151 | sed 's/#.*$$//' $(all-Subdirs-files) /dev/null; \ | |
152 | echo endef) > $@-tmp | |
153 | mv -f $@-tmp $@ | |
154 | \f | |
155 | all-Banner-files = $(wildcard $(addsuffix /Banner, $(subdirs))) | |
156 | $(objpfx)version-info.h: $(+sysdir_pfx)config.make $(all-Banner-files) | |
157 | (case $(config-os) in \ | |
158 | linux*) version=`(echo -e "#include <linux/version.h>\nUTS_RELEASE"\ | |
159 | | $(CC) -E -P - | \ | |
160 | sed -e 's/"\([^"]*\)".*/\1/p' -e d) 2>/dev/null`;\ | |
161 | if [ -z "$$version" ]; then \ | |
162 | if [ -r /proc/version ]; then \ | |
163 | version=`sed 's/.*version \([^ ]*\) .*/>>\1<</' \ | |
164 | < /proc/version`; \ | |
165 | else \ | |
166 | version=`uname -r`; \ | |
167 | fi; \ | |
168 | fi; \ | |
169 | echo -n "\"Compiled on a Linux $$version system "; \ | |
170 | echo "on `date +%Y-%m-%d`.\\n\"" ;; \ | |
171 | *) ;; \ | |
172 | esac; \ | |
173 | files="$(all-Banner-files)"; \ | |
174 | if test -n "$$files"; then \ | |
175 | echo "\"Available extensions:"; \ | |
176 | sed -e '/^#/d' -e 's/^[[:space:]]*/ /' $$files; \ | |
177 | echo "\""; \ | |
178 | fi) > $@T | |
179 | mv -f $@T $@ | |
180 | generated += version-info.h | |
181 | ||
182 | version.c-objects := $(addprefix $(objpfx)version,$(object-suffixes)) | |
183 | $(version.c-objects): $(objpfx)version-info.h | |
184 | \f | |
185 | # Makerules creates a file `stub-$(subdir)' for each subdirectory, which | |
186 | # contains `#define __stub_FUNCTION' for each function which is a stub. | |
187 | # Here we paste all of these together into <gnu/stubs.h>. | |
188 | ||
189 | subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)stub-$(dir)) | |
190 | ||
191 | $(common-objpfx)stub-%: subdir_install | |
192 | ||
193 | # Since stubs.h is never needed when building the library, we simplify the | |
194 | # hairy installation process by producing it in place only as the last part | |
195 | # of the top-level `make install'. | |
196 | $(inst_includedir)/gnu/stubs.h: $(subdir-stubs) | |
197 | $(make-target-directory) | |
198 | @rm -f $(objpfx)stubs.h | |
199 | (echo '/* This file is automatically generated.';\ | |
200 | echo ' It defines a symbol `__stub_FUNCTION'\'' for each function';\ | |
201 | echo ' in the C library which is a stub, meaning it will fail';\ | |
202 | echo ' every time called, usually setting errno to ENOSYS. */';\ | |
203 | sort $^) > $(objpfx)stubs.h | |
204 | if test -r $@ && cmp -s $(objpfx)stubs.h $@; \ | |
205 | then echo 'stubs.h unchanged'; \ | |
206 | else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi | |
207 | rm -f $(objpfx)stubs.h | |
208 | \f | |
209 | ifeq (yes,$(build-shared)) | |
210 | ||
211 | $(inst_includedir)/gnu/lib-names.h: $(common-objpfx)gnu/lib-names.h | |
212 | $(make-target-directory) | |
213 | if test -r $@ && cmp -s $< $@; \ | |
214 | then echo 'gnu/lib-names.h unchanged'; \ | |
215 | else $(INSTALL_DATA) $< $@; fi | |
216 | endif | |
217 | \f | |
218 | # The `glibcbug' script contains the version number and it shall be rebuild | |
219 | # whenever this changes or the `glibcbug.in' file. | |
220 | $(objpfx)glibcbug: $(common-objpfx)config.status glibcbug.in | |
221 | cd $(<D); CONFIG_FILES=$(@F) CONFIG_HEADERS= $(SHELL) $(<F) | |
222 | \f | |
223 | # This makes the Info or DVI file of the documentation from the Texinfo source. | |
224 | .PHONY: info dvi | |
225 | info dvi: | |
226 | $(MAKE) $(PARALLELMFLAGS) -C manual $@ | |
227 | \f | |
228 | # This makes all the subdirectory targets. | |
229 | ||
230 | # For each target, make it depend on DIR/target for each subdirectory DIR. | |
231 | $(+subdir_targets): %: $(addsuffix /%,$(subdirs)) | |
232 | ||
233 | # Compute a list of all those targets. | |
234 | all-subdirs-targets := $(foreach dir,$(subdirs),\ | |
235 | $(addprefix $(dir)/,$(+subdir_targets))) | |
236 | ||
237 | # The action for each of those is to cd into the directory and make the | |
238 | # target there. | |
239 | $(all-subdirs-targets): | |
240 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
241 | ||
242 | .PHONY: $(+subdir_targets) $(all-subdirs-targets) | |
243 | \f | |
244 | # Targets to clean things up to various degrees. | |
245 | ||
246 | .PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean | |
247 | ||
248 | # Subroutines of all cleaning targets. | |
249 | parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules. | |
250 | -rm -f $(foreach o,$(object-suffixes),\ | |
251 | $(common-objpfx)$(patsubst %,$(libtype$o),c)) \ | |
252 | $(addprefix $(objpfx),$(install-lib)) | |
253 | parent-clean: parent-mostlyclean common-clean | |
254 | -rm -f $(addprefix $(common-objpfx),$(common-generated)) | |
255 | -rm -f $(addprefix $(objpfx),sysd-Makefile sysd-dirs sysd-rules) | |
256 | ||
257 | clean: parent-clean | |
258 | # This is done this way rather than having `subdir_clean' be a | |
259 | # dependency of this target so that libc.a will be removed before the | |
260 | # subdirectories are dealt with and so they won't try to remove object | |
261 | # files from it when it's going to be removed anyway. | |
262 | @$(MAKE) subdir_clean no_deps=t | |
263 | mostlyclean: parent-mostlyclean | |
264 | @$(MAKE) subdir_mostlyclean no_deps=t | |
265 | ||
266 | # The realclean target is just like distclean for the parent, but we want | |
267 | # the subdirs to know the difference in case they care. | |
268 | realclean distclean: parent-clean | |
269 | # This is done this way rather than having `subdir_distclean' be a | |
270 | # dependency of this target so that libc.a will be removed before the | |
271 | # subdirectories are dealt with and so they won't try to remove object | |
272 | # files from it when it's going to be removed anyway. | |
273 | @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes | |
274 | ||
275 | # Subroutine of distclean and realclean. | |
276 | distclean-1: subdir_$(distclean-1) | |
277 | -rm -f $(config-generated) | |
278 | -rm -f $(addprefix $(objpfx),config.status config.cache config.log) | |
279 | -rm -f $(addprefix $(objpfx),config.make config-name.h config.h) | |
280 | -rm -f $(addprefix $(objpfx),glibcbug) | |
281 | ifdef objdir | |
282 | -rm -f $(objpfx)Makefile | |
283 | endif | |
284 | -rm -f $(sysdep-$(distclean-1)) | |
285 | \f | |
286 | .PHONY: echo_subdirs | |
287 | echo_subdirs:;@echo '$(subdirs)' | |
288 | ||
289 | .PHONY: echo-distinfo parent_echo-distinfo | |
290 | echo-distinfo: parent_echo-distinfo subdir_echo-distinfo | |
291 | parent_echo-distinfo: | |
292 | @echo $(addprefix +header+,$(headers)) \ | |
293 | $(addprefix +nodist+,$(generated)) | |
294 | ||
295 | \f | |
296 | .PHONY: parent-tests | |
297 | tests: parent-tests | |
298 | ||
299 | # Run a test on the header files we use. | |
300 | parent-tests: $(objpfx)isomac | |
301 | $(dir $<)$(notdir $<) '$(CC)' '-Iinclude $(+sysdep-includes)' > $<.out | |
302 | ||
303 | $(objpfx)isomac: isomac.c | |
304 | $(native-compile) | |
305 | \f | |
306 | # Make the distribution tarfile. | |
307 | ||
308 | distribute := README INSTALL FAQ NOTES NEWS PROJECTS BUGS \ | |
309 | COPYING.LIB COPYING ChangeLog ChangeLog.[0-9] \ | |
310 | Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \ | |
311 | extra-lib.mk o-iterator.mk isomac.c \ | |
312 | libc.map mkinstalldirs move-if-change install-sh \ | |
313 | configure configure.in aclocal.m4 config.sub config.guess\ | |
314 | config.h.in config.make.in config-name.in Makefile.in \ | |
315 | autolock.sh rellns-sh munch-tmpl.c munch.awk interp.c \ | |
316 | sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \ | |
317 | rpm/Makefile rpm/template rpm/rpmrc glibcbug.in abi-tags \ | |
318 | stub-tag.h | |
319 | ||
320 | distribute := $(strip $(distribute)) | |
321 | generated := $(generated) stubs.h version-info.h | |
322 | ||
323 | README: README.template version.h ; # Make-dist should update README. | |
324 | ||
325 | define format-me | |
326 | @rm -f $@ | |
327 | makeinfo --no-validate --no-warn --no-headers $< -o $@ | |
328 | -chmod a-w $@ | |
329 | endef | |
330 | INSTALL: manual/maint.texi; $(format-me) | |
331 | NOTES: manual/creature.texi; $(format-me) | |
332 | manual/dir-add.texi manual/dir-add.info: FORCE | |
333 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
334 | FAQ: gen-FAQ.pl FAQ.in | |
335 | $(PERL) $^ > $@.new && rm -f $@ && mv $@.new $@ && chmod a-w $@ | |
336 | FORCE: | |
337 | ||
338 | rpm/%: subdir_distinfo | |
339 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) subdirs='$(subdirs)' $(@F) | |
340 | ||
341 | iconvdata/%: | |
342 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) | |
343 | ||
344 | # This is a special goal for people making binary distributions. Normally | |
345 | # everybody uses the DES based crypt library but for the distribution we | |
346 | # need the only-MD5 based one as well. | |
347 | md5-crypt/libmd5crypt: | |
348 | $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) |