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951641e7 | 1 | # Copyright (C) 1991-1999,2000,01,02 Free Software Foundation, Inc. |
28f540f4 RM |
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 | |
41bdb6e2 AJ |
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. | |
28f540f4 RM |
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 | |
41bdb6e2 | 12 | # Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 AJ |
14 | # You should have received a copy of the GNU Lesser General Public |
15 | # License along with the GNU C Library; if not, write to the Free | |
16 | # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | # 02111-1307 USA. | |
28f540f4 RM |
18 | |
19 | # | |
20 | # Common rules for making the GNU C library. This file is included | |
21 | # by the top-level Makefile and by all subdirectory makefiles | |
22 | # (through Rules). | |
23 | # | |
24 | ifneq (,) | |
25 | This makefile requires GNU Make. | |
26 | endif | |
27 | ||
14bab8de | 28 | REQUIRED_MAKE_VERSION = 3.74 |
6952e59e | 29 | REAL_MAKE_VERSION = $(firstword $(MAKE_VERSION)) |
14bab8de UD |
30 | |
31 | ifneq ($(REQUIRED_MAKE_VERSION), \ | |
54d79e99 | 32 | $(firstword $(sort $(REAL_MAKE_VERSION) $(REQUIRED_MAKE_VERSION)))) |
14bab8de UD |
33 | Wrong GNU Make version. See above for the version needed. |
34 | endif | |
35 | ||
28f540f4 RM |
36 | |
37 | ifdef subdir | |
38 | .. := ../ | |
39 | endif # subdir | |
40 | ||
41 | # If `sources' was defined by the parent makefile, undefine it so | |
42 | # we will later get it from wildcard search in this directory. | |
43 | ifneq "$(findstring env,$(origin sources))" "" | |
44 | sources := | |
45 | endif | |
46 | ||
28f540f4 RM |
47 | oPATH := $(PATH) |
48 | PATH := this definition should take precedence over $(oPATH) | |
49 | ifeq ($(PATH),$(oPATH)) | |
50 | You must not use the -e flag when building the GNU C library. | |
51 | else | |
52 | PATH := $(oPATH) | |
53 | endif | |
54 | \f | |
55 | ifndef +included-Makeconfig | |
56 | include $(..)Makeconfig | |
57 | endif | |
58 | ||
59 | # `configure' writes a definition of `config-sysdirs' in `config.make'. | |
0a55a284 | 60 | sysdirs = $(strip $(full_config_sysdirs)) |
28f540f4 RM |
61 | |
62 | +sysdir_pfx = $(common-objpfx) | |
63 | ||
64 | export sysdirs := $(sysdirs) | |
65 | ||
0a55a284 | 66 | +sysdep_dirs := $(full_config_sysdirs) |
28f540f4 RM |
67 | ifdef objdir |
68 | +sysdep_dirs := $(objdir) $(+sysdep_dirs) | |
69 | endif | |
70 | ||
71 | # Add -I switches to get the right sysdep directories. | |
72 | # `+includes' in Makeconfig references $(+sysdep-includes). | |
73 | +sysdep-includes := $(addprefix -I,$(+sysdep_dirs)) | |
dbdb6189 | 74 | |
ceb2d9aa UD |
75 | # This variable is used in ``include $(o-iterator)'' after defining |
76 | # $(o-iterator-doit) to produce some desired rule using $o for the object | |
77 | # suffix, and setting $(object-suffixes-left) to $(object-suffixes); a copy | |
78 | # is produced for each object suffix in use. | |
79 | o-iterator = $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left)) | |
28f540f4 RM |
80 | \f |
81 | # Include any system-specific makefiles. | |
82 | ||
83 | # This is here so things in sysdep Makefiles can easily depend on foo.h as | |
84 | # appropriate and not worry about where foo.h comes from, which may be | |
85 | # system dependent and not known by that Makefile. | |
6e953631 | 86 | vpath %.h $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \ |
57ba7bb4 | 87 | $(+sysdep_dirs) $(..))) |
28f540f4 | 88 | |
714a562f UD |
89 | # The same is true for RPC source files. |
90 | vpath %.x $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \ | |
91 | $(+sysdep_dirs) $(..))) | |
92 | ||
28f540f4 RM |
93 | # Some sysdep makefiles use this to distinguish being included here from |
94 | # being included individually by a subdir makefile (hurd/Makefile needs this). | |
95 | in-Makerules := yes | |
96 | ||
083973f3 RM |
97 | sysdep-makefiles := $(wildcard $(full_config_sysdirs:=/Makefile)) |
98 | ifneq (,$(sysdep-makefiles)) | |
99 | include $(sysdep-makefiles) | |
3bbceb12 RM |
100 | endif |
101 | ||
102 | ||
28f540f4 RM |
103 | # Reorder before-compile so that mach things come first, and hurd things |
104 | # second, before all else. The mach and hurd subdirectories have many | |
105 | # generated header files which the much of rest of the library depends on, | |
106 | # so it is best to build them first (and mach before hurd, at that). | |
107 | before-compile := $(filter $(common-objpfx)mach% $(common-objpfx)hurd%,\ | |
108 | $(before-compile)) \ | |
109 | $(filter-out $(common-objpfx)mach% $(common-objpfx)hurd%,\ | |
110 | $(before-compile)) | |
111 | ||
361742ed RM |
112 | # Even before that, we need abi-versions.h which is generated right here. |
113 | ifeq ($(versioning),yes) | |
114 | ifndef avoid-generated | |
115 | before-compile := $(common-objpfx)abi-versions.h $(before-compile) | |
116 | $(common-objpfx)abi-versions.h: $(..)scripts/abi-versions.awk \ | |
117 | $(common-objpfx)Versions.all | |
deb7f0b4 | 118 | LC_ALL=C $(AWK) -v oldest_abi=$(oldest-abi) -f $^ > $@T |
361742ed | 119 | mv -f $@T $@ |
c7414a8e RM |
120 | |
121 | $(common-objpfx)%.latest: $(common-objpfx)abi-versions.h | |
122 | sed -n '/ VERSION_$*_/{s/^.*_\([A-Z0-9_]*\).*$$/\1/;h;};$${g;p;}' \ | |
123 | $(common-objpfx)abi-versions.h > $@T | |
124 | mv -f $@T $@ | |
361742ed RM |
125 | endif # avoid-generated |
126 | endif # $(versioning) = yes | |
127 | ||
128 | ||
28f540f4 RM |
129 | # Remove existing files from `before-compile'. Things are added there when |
130 | # they must exist for dependency generation to work right, but once they | |
131 | # exist there is no further need for every single file to depend on them, | |
132 | # and those gratuitous dependencies result in many gratuitous | |
133 | # recompilations. | |
134 | before-compile := $(filter-out $(wildcard $(before-compile)),$(before-compile)) | |
135 | ||
136 | # Don't let any before-compile file be an intermediate and get removed. | |
137 | ifdef before-compile | |
138 | $(before-compile): | |
139 | endif | |
140 | \f | |
141 | # Generate an ordered list of implicit rules which find the source files in | |
142 | # each sysdep directory. The old method was to use vpath to search all the | |
143 | # sysdep directories. However, that had the problem that a .S file in a | |
144 | # later directory would be chosen over a .c file in an earlier directory, | |
145 | # which does not preserve the desired sysdeps ordering behavior. | |
146 | ||
147 | # When making the list of .d files to include, we can't know which ones | |
148 | # have source in .s files, and thus do not in fact need a .d file. | |
149 | # So we must define rules to make .d files for .s files. | |
150 | define make-dummy-dep | |
6e953631 | 151 | $(addprefix ln $(common-objpfx)dummy.d ,$(filter-out $(wildcard $@),$@)) |
28f540f4 | 152 | endef |
6e953631 | 153 | $(common-objpfx)dummy.d: |
28f540f4 RM |
154 | echo '# .s files cannot contain includes, so they need no deps.' > $@ |
155 | ||
156 | # It matters that this set of rules, for compiling from sources in | |
157 | # the current directory (the $srcdir/$subdir) come before the | |
158 | # generated sysdep rules in included from sysd-rules below. When | |
159 | # compiling in the source tree, generated sources go into the current | |
160 | # directory, and those should be chosen before any sources in sysdeps. | |
ceb2d9aa UD |
161 | define o-iterator-doit |
162 | $(objpfx)%$o: %.S $(before-compile); $$(compile-command.S) | |
163 | endef | |
3f62b69a | 164 | object-suffixes-left := $(all-object-suffixes) |
ceb2d9aa | 165 | include $(o-iterator) |
28f540f4 | 166 | $(objpfx)%.d: %.S $(before-compile); $(+make-deps) |
ceb2d9aa UD |
167 | |
168 | define o-iterator-doit | |
169 | $(objpfx)%$o: %.s $(before-compile); $$(compile-command.s) | |
170 | endef | |
3f62b69a | 171 | object-suffixes-left := $(all-object-suffixes) |
ceb2d9aa | 172 | include $(o-iterator) |
6e953631 | 173 | $(objpfx)%.d: %.s $(common-objpfx)dummy.d; $(make-dummy-dep) |
ceb2d9aa UD |
174 | |
175 | define o-iterator-doit | |
176 | $(objpfx)%$o: %.c $(before-compile); $$(compile-command.c) | |
177 | endef | |
3f62b69a | 178 | object-suffixes-left := $(all-object-suffixes) |
ceb2d9aa | 179 | include $(o-iterator) |
28f540f4 RM |
180 | $(objpfx)%.d: %.c $(before-compile); $(+make-deps) |
181 | ||
182 | # Omit the objpfx rules when building in the source tree, because | |
183 | # objpfx is empty and so these rules just override the ones above. | |
184 | ifdef objpfx | |
185 | # Define first rules to find the source files in $(objpfx). | |
186 | # Generated source files will end up there. | |
ceb2d9aa UD |
187 | define o-iterator-doit |
188 | $(objpfx)%$o: $(objpfx)%.S $(before-compile); $$(compile-command.S) | |
189 | endef | |
3f62b69a | 190 | object-suffixes-left := $(all-object-suffixes) |
ceb2d9aa | 191 | include $(o-iterator) |
28f540f4 | 192 | $(objpfx)%.d: $(objpfx)%.S $(before-compile); $(+make-deps) |
ceb2d9aa UD |
193 | |
194 | define o-iterator-doit | |
195 | $(objpfx)%$o: $(objpfx)%.s $(before-compile); $$(compile-command.s) | |
196 | endef | |
3f62b69a | 197 | object-suffixes-left := $(all-object-suffixes) |
ceb2d9aa | 198 | include $(o-iterator) |
6e953631 | 199 | $(objpfx)%.d: $(objpfx)%.s $(common-objpfx)dummy.d; $(make-dummy-dep) |
ceb2d9aa UD |
200 | |
201 | define o-iterator-doit | |
202 | $(objpfx)%$o: $(objpfx)%.c $(before-compile); $$(compile-command.c) | |
203 | endef | |
3f62b69a | 204 | object-suffixes-left := $(all-object-suffixes) |
ceb2d9aa | 205 | include $(o-iterator) |
28f540f4 RM |
206 | $(objpfx)%.d: $(objpfx)%.c $(before-compile); $(+make-deps) |
207 | endif | |
208 | ||
209 | # System-dependent makefiles can put in `inhibit-sysdep-asm' wildcard | |
210 | # patterns matching sysdep directories whose assembly source files should | |
211 | # be suppressed. | |
212 | ifdef inhibit-sysdep-asm | |
213 | define open-check-inhibit-asm | |
214 | case $$sysdir in $(subst $(empty) ,|,$(inhibit-sysdep-asm))) : ;; *) | |
215 | endef | |
51f75302 | 216 | close-check-inhibit-asm = ;; esac ; |
28f540f4 RM |
217 | endif |
218 | ||
555f3a39 | 219 | -include $(+sysdir_pfx)sysd-rules |
57ba7bb4 UD |
220 | ifneq ($(sysd-rules-sysdirs),$(config-sysdirs)) |
221 | # The value of $(+sysdep_dirs) the sysd-rules was computed for | |
273d56ce RM |
222 | # differs from the one we are using now. So force a rebuild of sysd-rules. |
223 | sysd-rules-force = FORCE | |
224 | FORCE: | |
225 | endif | |
28f540f4 RM |
226 | $(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \ |
227 | $(wildcard $(foreach dir,$(sysdirs),\ | |
57ba7bb4 | 228 | $(dir)/Makefile))\ |
273d56ce | 229 | $(sysd-rules-force) |
28f540f4 | 230 | -@rm -f $@T |
57ba7bb4 | 231 | (echo 'sysd-rules-sysdirs := $(config-sysdirs)'; \ |
9c4c0024 | 232 | for dir in $(config-sysdirs:%='$$(..)%'); do \ |
795fbc9a | 233 | for o in $(all-object-suffixes); do \ |
51f75302 RM |
234 | $(open-check-inhibit-asm) \ |
235 | echo "\$$(objpfx)%$$o: $$dir/%.S \$$(before-compile); \ | |
236 | \$$(compile-command.S)"; \ | |
237 | echo "\$$(objpfx)%$$o: $$dir/%.s \$$(before-compile); \ | |
238 | \$$(compile-command.s)"; \ | |
239 | $(close-check-inhibit-asm) \ | |
240 | echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \ | |
241 | \$$(compile-command.c)"; \ | |
242 | done; \ | |
28f540f4 | 243 | $(open-check-inhibit-asm) \ |
6e953631 | 244 | echo "\$$(objpfx)%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \ |
51f75302 | 245 | \$$(make-dummy-dep)"; \ |
28f540f4 RM |
246 | echo "\$$(objpfx)%.d: $$dir/%.S \$$(before-compile); \ |
247 | \$$(+make-deps)"; \ | |
51f75302 | 248 | $(close-check-inhibit-asm) \ |
28f540f4 RM |
249 | echo "\$$(objpfx)%.d: $$dir/%.c \$$(before-compile); \ |
250 | \$$(+make-deps)"; \ | |
3bbceb12 RM |
251 | done; \ |
252 | echo 'sysd-rules-done = t') > $@T | |
28f540f4 RM |
253 | mv -f $@T $@ |
254 | ||
3bbceb12 RM |
255 | ifndef sysd-rules-done |
256 | # Don't do deps until this exists, because it provides rules to make the deps. | |
257 | no_deps=t | |
258 | endif | |
259 | ||
7a68c94a | 260 | # Generate version maps, but wait until sysdep-subdirs is known |
c95527a1 | 261 | ifeq ($(sysd-sorted-done),t) |
8eaaffde UD |
262 | ifeq ($(versioning),yes) |
263 | -include $(common-objpfx)sysd-versions | |
4bae5567 | 264 | $(addprefix $(common-objpfx),$(version-maps)): $(common-objpfx)sysd-versions |
bdb04ee8 | 265 | common-generated += $(version-maps) |
951641e7 RM |
266 | postclean-generated += sysd-versions Versions.all abi-versions.h \ |
267 | Versions.def.v.i Versions.def.v Versions.v.i Versions.v | |
4bae5567 | 268 | |
7a68c94a UD |
269 | ifndef avoid-generated |
270 | ifneq ($(sysd-versions-subdirs),$(all-subdirs) $(config-sysdirs)) | |
271 | sysd-versions-force = FORCE | |
272 | FORCE: | |
273 | endif | |
951641e7 RM |
274 | # See %.v/%.v.i implicit rules in Makeconfig. |
275 | $(common-objpfx)Versions.def.v.i: $(..)Versions.def \ | |
276 | $(wildcard $(add-ons:%=$(..)%/Versions.def)) | |
361742ed | 277 | $(common-objpfx)Versions.all: $(..)scripts/firstversions.awk \ |
3c132532 | 278 | $(common-objpfx)soversions.i \ |
951641e7 | 279 | $(common-objpfx)Versions.def.v |
3c132532 RM |
280 | { while read lib version setname; do \ |
281 | test -z "$$setname" || echo "$$lib : $$setname"; \ | |
282 | done < $(word 2,$^); \ | |
951641e7 | 283 | cat $(word 3,$^); \ |
3c132532 | 284 | } | LC_ALL=C $(AWK) -f $< > $@T |
99c9e773 | 285 | mv -f $@T $@ |
951641e7 RM |
286 | # See %.v/%.v.i implicit rules in Makeconfig. |
287 | $(common-objpfx)Versions.v.i: $(wildcard $(all-subdirs:%=$(..)%/Versions)) \ | |
288 | $(wildcard $(sysdirs:%=%/Versions)) \ | |
289 | $(common-objpfx)abi-versions.h \ | |
290 | $(sysd-versions-force) | |
99c9e773 | 291 | $(common-objpfx)sysd-versions: $(common-objpfx)Versions.all \ |
951641e7 RM |
292 | $(common-objpfx)Versions.v \ |
293 | $(..)scripts/versions.awk | |
cf197e41 | 294 | ( echo 'sysd-versions-subdirs = $(all-subdirs) $(config-sysdirs)' ; \ |
951641e7 | 295 | cat $(word 2,$^) \ |
480d827b RM |
296 | | LC_ALL=C $(AWK) -v buildroot=$(common-objpfx) -v defsfile=$< \ |
297 | -v move_if_change='$(move-if-change)' \ | |
951641e7 | 298 | -f $(word 3,$^); \ |
cf197e41 | 299 | ) > $@T |
8eaaffde | 300 | mv -f $@T $@ |
7a68c94a UD |
301 | endif # avoid-generated |
302 | endif # $(versioning) = yes | |
c95527a1 | 303 | endif # sysd-sorted-done |
3bbceb12 | 304 | |
361742ed | 305 | |
28f540f4 RM |
306 | ifndef compile-command.S |
307 | compile-command.S = $(compile.S) $(OUTPUT_OPTION) | |
308 | endif | |
309 | ifndef compile-command.s | |
310 | compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION) | |
311 | endif | |
312 | ifndef compile-command.c | |
313 | compile-command.c = $(compile.c) $(OUTPUT_OPTION) | |
314 | endif | |
315 | ||
28f540f4 | 316 | # GCC can grok options after the file name, and it looks nicer that way. |
28f540f4 | 317 | compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS) |
f166d865 UD |
318 | compile.S = \ |
319 | $(CC) $< -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@)) | |
320 | COMPILE.S = \ | |
321 | $(CC) -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@)) | |
aeb72b16 | 322 | COMPILE.s = $(filter-out -pipe,$(CC)) -c $(ASFLAGS) |
28f540f4 | 323 | |
0ca2a569 | 324 | # If we want to generate MD5 checksums for the sources do this now. |
d2b9a50e UD |
325 | ifeq ($(md5),yes) |
326 | generate-md5 = ; rm -f $(@:.d=.md5); \ | |
327 | $(CC) -E $< $(CFLAGS) $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | \ | |
328 | sed '/^\#/d;/^[[:space:]]*$$/d' | md5sum > $(@:.d=.md5) | |
329 | else | |
330 | generate-md5 = | |
331 | endif | |
332 | ||
28f540f4 RM |
333 | # We need this for the output to go in the right place. It will default to |
334 | # empty if make was configured to work with a cc that can't grok -c and -o | |
335 | # together. You can't compile the C library with such a compiler. | |
336 | OUTPUT_OPTION = -o $@ | |
28f540f4 RM |
337 | |
338 | S-CPPFLAGS = $(asm-CPPFLAGS) | |
339 | define +make-deps | |
6e953631 | 340 | $(make-target-directory) |
28f540f4 | 341 | -@rm -f $@ |
60c96635 | 342 | $(+mkdep) $< $(CFLAGS) $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | \ |
795fbc9a UD |
343 | sed \ |
344 | -e 's,$(subst .,\.,$*)\.o,$(foreach o,$(all-object-suffixes),$(@:.d=$o)) $@,' \ | |
51f75302 | 345 | $(sed-remove-objpfx) > $(@:.d=.T) |
d2b9a50e | 346 | mv -f $(@:.d=.T) $@ $(generate-md5) |
28f540f4 RM |
347 | endef |
348 | ifneq (,$(objpfx)) | |
215dbbb1 RM |
349 | # Continuation lines here are dangerous because they introduce spaces! |
350 | define sed-remove-objpfx | |
6e953631 UD |
351 | -e 's@ $(subst .,\.,$(subst @,\@,$(common-objpfx)))@ $$(common-objpfx)@g' \ |
352 | -e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g' | |
215dbbb1 | 353 | endef |
28f540f4 RM |
354 | endif |
355 | \f | |
69b4c429 GM |
356 | # Modify the list of routines we build for different targets |
357 | ||
ad10cac8 | 358 | ifeq (yesyes,$(build-shared)$(elf)) |
69b4c429 GM |
359 | ifndef libc.so-version |
360 | # Undefine this because it can't work when we libc.so is unversioned. | |
361 | static-only-routines = | |
362 | endif | |
363 | endif | |
364 | ||
365 | # Bounded pointer thunks are only built for *.ob | |
366 | elide-bp-thunks = $(addprefix $(bppfx),$(bp-thunks)) | |
367 | ||
368 | elide-routines.oS += $(filter-out $(static-only-routines),\ | |
369 | $(routines) $(aux) $(sysdep_routines)) \ | |
370 | $(elide-bp-thunks) | |
371 | elide-routines.os += $(static-only-routines) $(elide-bp-thunks) | |
372 | ||
373 | # If we have versioned code we don't need the old versions in any of the | |
374 | # static libraries. | |
375 | elide-routines.o += $(shared-only-routines) $(elide-bp-thunks) | |
376 | elide-routines.op += $(shared-only-routines) $(elide-bp-thunks) | |
377 | elide-routines.og += $(shared-only-routines) $(elide-bp-thunks) | |
378 | elide-routines.ob += $(shared-only-routines) | |
379 | \f | |
5f0e6fc7 RM |
380 | # Shared library building. |
381 | ||
382 | ifeq (yes,$(build-shared)) | |
383 | ||
ae1025be UD |
384 | # Reference map file only when versioning is selected and a map file name |
385 | # is given. | |
386 | ifeq ($(versioning),yes) | |
a9ddb793 UD |
387 | map-file = $(firstword $($(@F:.so=-map)) \ |
388 | $(addprefix $(common-objpfx), \ | |
389 | $(filter $(@F:.so=.map),$(version-maps)))) | |
b17277cf | 390 | load-map-file = $(map-file:%=-Wl,--version-script=%) |
ae1025be UD |
391 | endif |
392 | ||
5f0e6fc7 RM |
393 | # Pattern rule to build a shared object from an archive of PIC objects. |
394 | # This must come after the installation rules so Make doesn't try to | |
395 | # build shared libraries in place from the installed *_pic.a files. | |
396 | # $(LDLIBS-%.so) may contain -l switches to generate run-time dependencies | |
397 | # on other shared objects. | |
66715f83 | 398 | lib%.so: lib%_pic.a $(+preinit) $(+postinit) $(+interp) |
ad10cac8 UD |
399 | ifneq (,$(findstring aix,$(config-os))) |
400 | (echo '#!'; \ | |
401 | dump -g $< | sed '1,6d' | cut -f2 | sort | uniq) > $(<:a=exp) | |
402 | endif | |
40a55d20 | 403 | $(build-shlib) |
5f0e6fc7 | 404 | |
ad10cac8 | 405 | ifeq ($(elf),yes) |
a986484f | 406 | define build-shlib-helper |
74bd2300 | 407 | $(LINK.o) -shared $(static-libgcc) -Wl,-O1 $(sysdep-LDFLAGS) $(config-LDFLAGS) \ |
90feeaa2 UD |
408 | $(extra-B-$(@F:lib%.so=%).so) -B$(csu-objpfx) \ |
409 | $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \ | |
5f0e6fc7 RM |
410 | -Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \ |
411 | $(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \ | |
a986484f UD |
412 | -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) |
413 | endef | |
ad10cac8 UD |
414 | else |
415 | ifneq (,$(findstring aix,$(config-os))) | |
416 | define build-shlib-helper | |
994431ed | 417 | $(LINK.o) -Wl,-G,-bM:SRE,-bnoentry,-bE:$(<:a=exp) \ |
ad10cac8 UD |
418 | $(sysdep-LDFLAGS) $(config-LDFLAGS) $(extra-B-$(@F:lib%.so=%).so) \ |
419 | $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \ | |
420 | $(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \ | |
421 | -L$(subst :, -L,$(rpath-link)) | |
422 | endef | |
423 | else | |
424 | endif | |
425 | endif | |
a986484f UD |
426 | |
427 | ifeq (yes,$(elf)) | |
428 | # binutils only position loadable notes into the first page for binaries, | |
429 | # not for shared objects | |
430 | define build-shlib | |
431 | $(build-shlib-helper) \ | |
639c3248 | 432 | -o $@.new $(csu-objpfx)abi-note.o -Wl,--verbose \ |
a986484f UD |
433 | $(LDLIBS-$(@F:lib%.so=%).so) 2>&1 | \ |
434 | sed -e '/^=========/,/^=========/!d;/^=========/d' \ | |
435 | -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \ | |
b5d51280 UD |
436 | > $@.lds |
437 | rm -f $@.new | |
438 | $(build-shlib-helper) -o $@ -T $@.lds \ | |
c7414a8e | 439 | $(csu-objpfx)abi-note.o $(build-shlib-objlist) |
b5d51280 | 440 | rm -f $@.lds |
a986484f UD |
441 | endef |
442 | else | |
ad10cac8 UD |
443 | ifneq (,$(findstring aix,$(config-os))) |
444 | define build-shlib | |
445 | $(build-shlib-helper) \ | |
446 | -o $@ \ | |
447 | $(filter-out $(map-file) $(+preinit) $(+postinit),$^) \ | |
448 | $(no-whole-archive) $(LDLIBS-$(@F:lib%.so=%).so) | |
449 | endef | |
a986484f UD |
450 | define build-shlib |
451 | $(build-shlib-helper) \ | |
c7414a8e | 452 | $(build-shlib-objlist) |
5f0e6fc7 | 453 | endef |
a986484f | 454 | endif |
ad10cac8 | 455 | endif |
a986484f | 456 | |
ad10cac8 UD |
457 | ifneq (,$(findstring aix,$(config-os))) |
458 | define build-module-helper | |
459 | $(LINK.o) -Wl,-G -Wl,-bM:SRE -Wl,-bnoentry -Wl,-bexpall \ | |
460 | $(sysdep-LDFLAGS) $(config-LDFLAGS) \ | |
461 | $(load-map-file) \ | |
462 | $(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \ | |
463 | -L$(subst :, -L,$(rpath-link)) -Wl,-L=$(rpath-link) | |
464 | endef | |
465 | else | |
a986484f | 466 | define build-module-helper |
74bd2300 | 467 | $(LINK.o) -shared $(static-libgcc) $(sysdep-LDFLAGS) $(config-LDFLAGS) \ |
a986484f UD |
468 | -B$(csu-objpfx) $(load-map-file) \ |
469 | $(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \ | |
470 | -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) | |
471 | endef | |
ad10cac8 | 472 | endif |
5f0e6fc7 | 473 | |
5d003fb2 UD |
474 | # This macro is similar to build-shlib but it does not define a soname |
475 | # and it does not depend on the destination name to start with `lib'. | |
a986484f UD |
476 | ifeq (yes,$(elf)) |
477 | # binutils only position loadable notes into the first page for binaries, | |
478 | # not for shared objects | |
5d003fb2 | 479 | define build-module |
a986484f | 480 | $(build-module-helper) \ |
2f53aec9 | 481 | -o $@.new $(csu-objpfx)abi-note.o -Wl,--verbose \ |
a986484f UD |
482 | $(LDLIBS-$(@F:lib%.so=%).so) 2>&1 | \ |
483 | sed -e '/^=========/,/^=========/!d;/^=========/d' \ | |
484 | -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \ | |
2f53aec9 UD |
485 | > $@.lds |
486 | rm -f $@.new | |
487 | $(build-module-helper) -o $@ -T $@.lds \ | |
c7414a8e | 488 | $(csu-objpfx)abi-note.o $(build-module-objlist) |
2f53aec9 | 489 | rm -f $@.lds |
a986484f UD |
490 | endef |
491 | else | |
ad10cac8 UD |
492 | ifneq (,$(findstring aix,$(config-os))) |
493 | define build-module | |
494 | $(build-module-helper) \ | |
495 | -o $@ \ | |
496 | $(filter-out $(map-file) $(+preinit) $(+postinit),$^) \ | |
497 | $(no-whole-archive) $(LDLIBS-$(@F:%.so=%).so) | |
498 | endef | |
499 | else | |
500 | define build-module | |
a986484f UD |
501 | define build-module |
502 | $(build-module-helper) \ | |
c7414a8e RM |
503 | -o $@ \ |
504 | $(build-module-objlist) | |
5d003fb2 | 505 | endef |
a986484f | 506 | endif |
ad10cac8 | 507 | endif |
5d003fb2 | 508 | |
c7414a8e RM |
509 | build-module-helper-objlist = \ |
510 | $(patsubst %_pic.a,$(whole-archive) %_pic.a $(no-whole-archive),\ | |
511 | $(filter-out $(map-file) $(+preinit) $(+postinit),$^)) | |
512 | whole-archive := -Wl,--whole-archive | |
513 | ||
514 | build-module-objlist = $(build-module-helper-objlist) $(LDLIBS-$(@F:%.so=%).so) | |
515 | build-shlib-objlist = $(build-module-helper-objlist) \ | |
516 | $(LDLIBS-$(@F:lib%.so=%).so) | |
517 | ||
5f0e6fc7 RM |
518 | # Don't try to use -lc when making libc.so itself. |
519 | # Also omits crti.o and crtn.o, which we do not want | |
520 | # since we define our own `.init' section specially. | |
521 | LDFLAGS-c.so = -nostdlib -nostartfiles | |
9a0a462c | 522 | # But we still want to link libc.so against $(gnulib). |
2698e32c | 523 | LDLIBS-c.so += $(gnulib) |
5f0e6fc7 RM |
524 | # Give libc.so an entry point and make it directly runnable itself. |
525 | LDFLAGS-c.so += -e __libc_main | |
b93492aa UD |
526 | # Force the backward compatibility EH functions to be linked. |
527 | LDFLAGS-c.so += -u __register_frame | |
da2d1bc5 UD |
528 | # Pre-link the objects of libc_pic.a so that we can locally resolve |
529 | # COMMON symbols before we link against ld.so. This is because ld.so | |
530 | # contains some of libc_pic.a already, which will prevent the COMMONs | |
531 | # from being allocated in libc.so, which introduces evil dependencies | |
532 | # between libc.so and ld.so, which can make it impossible to upgrade. | |
ad10cac8 | 533 | ifeq ($(elf),yes) |
da2d1bc5 UD |
534 | $(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a |
535 | $(LINK.o) -nostdlib -nostartfiles -r -o $@ \ | |
49547c68 | 536 | $(LDFLAGS-c_pic.os) -Wl,-d -Wl,--whole-archive $^ |
5f0e6fc7 | 537 | # Use our own special initializer and finalizer files for libc.so. |
40a55d20 | 538 | $(common-objpfx)libc.so: $(elfobjdir)/soinit.os \ |
da2d1bc5 | 539 | $(common-objpfx)libc_pic.os \ |
66715f83 | 540 | $(elfobjdir)/sofini.os \ |
a9ddb793 | 541 | $(elfobjdir)/interp.os $(elfobjdir)/ld.so |
5f0e6fc7 | 542 | $(build-shlib) |
a9ddb793 UD |
543 | ifeq ($(versioning),yes) |
544 | $(common-objpfx)libc.so: $(common-objpfx)libc.map | |
545 | endif | |
1b5fd830 | 546 | common-generated += libc.so libc_pic.os |
d705269e UD |
547 | ifdef libc.so-version |
548 | $(common-objpfx)libc.so$(libc.so-version): $(common-objpfx)libc.so | |
549 | $(make-link) | |
da2d1bc5 | 550 | common-generated += libc.so$(libc.so-version) |
d705269e | 551 | endif |
5f0e6fc7 | 552 | endif |
ad10cac8 UD |
553 | else |
554 | ifneq (,$(findstring aix,$(config-os))) | |
555 | $(common-objpfx)libc.so: $(common-objpfx)libc_pic.a | |
556 | @rm -f $@ | |
557 | (echo '#!'; \ | |
558 | dump -g $^ | sed '1,6d' | cut -f2 | sort | uniq) > $(^:a=exp) | |
559 | sed '/__mulh/d;/__mull/d;/__divss/d;/__divus/d;/__quoss/d;/__quous/d' \ | |
560 | /lib/syscalls.exp > $(common-objpfx)syscalls.exp | |
561 | $(LINK.o) -G -bM:SRE -bnoentry -bE:$(^:a=exp) \ | |
562 | -bE:$(common-objpfx)syscalls.exp \ | |
563 | -bI:$(common-objpfx)syscalls.exp \ | |
564 | -L$(common-objpfx) -o $@ $^ | |
565 | # AIX runtime ld wants libc.so to be libc.a(shr.o) hardwired | |
566 | cp $@ $(common-objpfx)shr.o | |
567 | $(AR) $(ARFLAGS) $(common-objpfx)libc.a $(common-objpfx)shr.o | |
568 | endif | |
569 | endif | |
5f0e6fc7 | 570 | \f |
28f540f4 RM |
571 | # Figure out the source filenames in this directory. |
572 | ||
ab95290c UD |
573 | override sources := $(addsuffix .c,\ |
574 | $(filter-out $(elided-routines),\ | |
575 | $(routines) $(aux) \ | |
5539d257 | 576 | $(sysdep_routines))) |
28f540f4 RM |
577 | sysdep_routines := $(sysdep_routines) |
578 | ||
e60062b7 RM |
579 | headers := $(headers) $(sysdep_headers) |
580 | ||
28f540f4 RM |
581 | # This is the list of all object files, gotten by |
582 | # replacing every ".c" in `sources' with a ".o". | |
28546617 GM |
583 | # We also add bounded-pointer thunks, which are later |
584 | # elided for all suffixes except for `.ob'. | |
585 | override objects := $(addprefix $(objpfx),$(sources:.c=.o) \ | |
586 | $(patsubst %,$(bppfx)%.o,\ | |
587 | $(filter $(routines) $(sysdep_routines),$(bp-thunks)))) | |
693e7b96 RM |
588 | |
589 | ||
693e7b96 RM |
590 | # The makefile may define $(extra-libs) with `libfoo libbar' |
591 | # to build libfoo.a et al from the modules listed in $(libfoo-routines). | |
592 | ifdef extra-libs | |
593 | # extra-lib.mk is included once for each extra lib to define rules | |
594 | # to build it, and to add its objects to the various variables. | |
595 | # During its evaluation, $(lib) is set to the name of the library. | |
596 | extra-libs-left := $(extra-libs) | |
597 | include $(patsubst %,$(..)extra-lib.mk,$(extra-libs)) | |
598 | endif | |
28f540f4 | 599 | \f |
eb406346 UD |
600 | +depfiles := $(sources:.c=.d) \ |
601 | $(patsubst %.o,%.d,$(filter %.o,$(extra-objs:.os=.o))) \ | |
c238ecf7 | 602 | $(addsuffix .d,$(tests) $(xtests) $(test-srcs)) |
0413b54c | 603 | ifeq ($(build-programs),yes) |
414fd335 | 604 | +depfiles += $(addsuffix .d,$(others) $(sysdep-others)) |
0413b54c | 605 | endif |
28f540f4 RM |
606 | +depfiles := $(addprefix $(objpfx),\ |
607 | $(filter-out $(addsuffix .d,$(omit-deps)),\ | |
608 | $(+depfiles))) | |
609 | ||
28f540f4 | 610 | ifdef +depfiles |
28f540f4 | 611 | ifneq ($(no_deps),t) |
555f3a39 | 612 | -include $(+depfiles) |
deab9dea | 613 | endif |
28f540f4 RM |
614 | endif |
615 | \f\f | |
616 | # Maximize efficiency by minimizing the number of rules. | |
9756dfe1 | 617 | .SUFFIXES: # Clear the suffix list. We don't use suffix rules. |
f649c201 UD |
618 | # Don't define any builtin rules. |
619 | MAKEFLAGS := $(MAKEFLAGS)r | |
28f540f4 RM |
620 | |
621 | # Generic rule for making directories. | |
622 | %/: | |
623 | # mkdir isn't smart enough to strip a trailing /. | |
624 | mkdir $(@:%/=%) | |
625 | \f | |
626 | # Make sure that object files are not removed | |
627 | # when they are intermediates between sources and library members. | |
9afc8a59 | 628 | .PRECIOUS: $(addprefix $(objpfx)%,$(all-object-suffixes)) |
28f540f4 RM |
629 | |
630 | # Make sure that the parent library archive is never removed. | |
51f75302 | 631 | .PRECIOUS: $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c)) |
28f540f4 RM |
632 | \f |
633 | # Use the verbose option of ar and tar when not running silently. | |
634 | ifeq "$(findstring s,$(MAKEFLAGS))" "" # if not -s | |
635 | verbose := v | |
636 | else # -s | |
637 | verbose := | |
638 | endif # not -s | |
639 | ||
640 | ARFLAGS := r$(verbose) | |
f38931a9 | 641 | CREATE_ARFLAGS := cru$(verbose) |
28f540f4 RM |
642 | \f |
643 | # This makes all the object files in the parent library archive. | |
644 | ||
97a47867 | 645 | .PHONY: lib lib-noranlib |
ae9b308c | 646 | lib: lib-noranlib $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c)) |
b22fc5f5 | 647 | lib-noranlib: libobjs |
51f75302 | 648 | |
564210fe RM |
649 | # For object-suffix $o, the list of objects with that suffix. |
650 | # Makefiles can define `elide-routines.so = foo' to leave foo.so out. | |
651 | o-objects = $(patsubst %.o,%$o,$(filter-out $(patsubst %,$(objpfx)%.o,\ | |
652 | $(elide-routines$o)),\ | |
916c1395 GM |
653 | $(objects))) \ |
654 | $(addprefix $(objpfx),$(o-objects$o)) | |
655 | ||
3bbceb12 | 656 | others: $(addprefix $(objpfx),$(install-lib)) |
28f540f4 | 657 | |
072ebcef RM |
658 | ifndef objects |
659 | ||
660 | # Create the stamp$o files to keep the parent makefile happy. | |
9afc8a59 UD |
661 | subdir_lib: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o) |
662 | $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o): | |
6e953631 | 663 | $(make-target-directory) |
072ebcef RM |
664 | rm -f $@; > $@ |
665 | else | |
51f75302 | 666 | |
97a47867 | 667 | # Define explicit rules to update each $(objpfx)stamp.SUFFIX |
564210fe | 668 | # timestamp file; these rules (one explicit rule is generated for each |
97a47867 UD |
669 | # object suffix) write a list of objects to update in the stamp file. |
670 | # The parent will then actually add them all to the archive in the | |
671 | # archive rule, below. | |
564210fe | 672 | define o-iterator-doit |
97a47867 UD |
673 | $(objpfx)stamp$o: $(o-objects); $$(do-stamp) |
674 | endef | |
675 | define do-stamp | |
a709dd43 | 676 | echo '$(patsubst $(objpfx)%,$(addsuffix /,$(subdir))%,$^)' > $@T |
b22fc5f5 | 677 | mv -f $@T $@ |
564210fe | 678 | endef |
9afc8a59 | 679 | object-suffixes-left := $(object-suffixes-for-libc) |
564210fe | 680 | include $(o-iterator) |
28f540f4 | 681 | |
51f75302 | 682 | endif |
28f540f4 | 683 | |
97a47867 | 684 | # Now define explicit rules to build the library archives; these depend |
a709dd43 | 685 | # on the stamp files built above. |
dbdb6189 | 686 | define o-iterator-doit |
97a47867 UD |
687 | $(common-objpfx)$(patsubst %,$(libtype$o),c): \ |
688 | $(subdirs-stamp-o) $(common-objpfx)stamp$o; $$(do-makelib) | |
689 | endef | |
690 | define do-makelib | |
b22fc5f5 | 691 | cd $(common-objdir) && \ |
a709dd43 UD |
692 | $(AR) $(CREATE_ARFLAGS) $(@F) `cat $(patsubst $(common-objpfx)%,%,$^)` |
693 | $(RANLIB) $@ | |
dbdb6189 | 694 | endef |
97a47867 UD |
695 | subdirs-stamps := $(foreach d,$(subdirs),$(common-objpfx)$d/stamp%) |
696 | subdirs-stamp-o = $(subst %,$o,$(subdirs-stamps)) | |
b22fc5f5 | 697 | ifndef subdir |
ae9b308c | 698 | $(subdirs-stamps): subdir_lib; |
97a47867 | 699 | endif |
9afc8a59 | 700 | object-suffixes-left = $(object-suffixes-for-libc) |
dbdb6189 RM |
701 | include $(o-iterator) |
702 | ||
28f540f4 RM |
703 | |
704 | # This makes all the object files. | |
97a47867 UD |
705 | .PHONY: objects objs libobjs extra-objs |
706 | objects objs: libobjs extra-objs | |
707 | libobjs: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o) | |
708 | extra-objs: $(addprefix $(objpfx),$(extra-objs)) | |
f0bf9cb9 RM |
709 | |
710 | # Canned sequence for building an extra library archive. | |
711 | define build-extra-lib | |
af3878df | 712 | $(patsubst %/,cd % &&,$(objpfx)) \ |
f38931a9 | 713 | $(AR) $(CREATE_ARFLAGS) $(@:$(objpfx)%=%) \ |
f0bf9cb9 RM |
714 | $(patsubst $(objpfx)%,%,$^) |
715 | $(RANLIB) $@ | |
716 | endef | |
28f540f4 RM |
717 | \f |
718 | # Installation. | |
719 | ||
73237de3 UD |
720 | .PHONY: force-install |
721 | force-install: | |
722 | ||
28f540f4 RM |
723 | # $(install-lib) are installed from the object directory into $(libdir); |
724 | # files in $(install-lib) matching `lib%.a' are ranlib'd after installation | |
725 | # unless they also appear in $(non-lib.a). $(install-data) are installed | |
726 | # as they are into $(datadir). $(headers) are installed as they are in | |
6c3ebebd UD |
727 | # $(includedir). $(install-bin), $(install-bin-script) and $(install-sbin) |
728 | # are installed from the object directory into $(bindir), $(bindir) and | |
729 | # $(sbindir), respectively. $(install-others) are absolute path names of | |
730 | # files to install; rules to install them are defined elsewhere. | |
28f540f4 RM |
731 | |
732 | # The simple library name to install libc.a under. | |
733 | # This could be defined by a sysdep Makefile. | |
734 | ifndef libc-name | |
735 | libc-name := c | |
736 | endif | |
737 | ||
738 | define do-install | |
739 | $(make-target-directory) | |
740 | $(INSTALL_DATA) $< $@ | |
741 | endef | |
742 | ||
a182affd RM |
743 | # Make the target directory if it doesn't exist, using the `mkinstalldirs' |
744 | # script that does `mkdir -p' even if `mkdir' doesn't support that flag. | |
28f540f4 | 745 | define make-target-directory |
5bc2f642 | 746 | $(addprefix $(..)./scripts/mkinstalldirs ,\ |
a182affd | 747 | $(filter-out $(wildcard $(@D:%/=%)),$(@D:%/=%))) |
28f540f4 RM |
748 | endef |
749 | ||
a709dd43 UD |
750 | # Any directory (parent or subdir) should install libc.a; this way |
751 | # "make install" in a subdir is guaranteed to install everything it changes. | |
cab24c37 | 752 | installed-libcs := $(foreach o,$(filter-out .os,$(object-suffixes-for-libc)),\ |
8d57beea UD |
753 | $(inst_libdir)/$(patsubst %,$(libtype$o),\ |
754 | $(libprefix)$(libc-name))) | |
51f75302 | 755 | install: $(installed-libcs) |
73237de3 | 756 | $(installed-libcs): $(inst_libdir)/lib$(libprefix)%: lib $(+force) |
28f540f4 | 757 | $(make-target-directory) |
c316b486 | 758 | $(INSTALL_DATA) $(common-objpfx)lib$(*:$(libc-name)%=c%) $@ |
9f2233e8 RM |
759 | # Running ranlib after installing makes the __.SYMDEF time stamp up to |
760 | # date, which avoids messages from some linkers. | |
28f540f4 | 761 | $(RANLIB) $@ |
28f540f4 | 762 | |
273d56ce RM |
763 | define do-install-program |
764 | $(make-target-directory) | |
765 | $(INSTALL_PROGRAM) $< $@.new | |
766 | mv -f $@.new $@ | |
767 | endef | |
768 | ||
6c3ebebd UD |
769 | define do-install-script |
770 | $(make-target-directory) | |
771 | $(INSTALL_SCRIPT) $< $@.new | |
772 | mv -f $@.new $@ | |
773 | endef | |
774 | ||
5bf62f2d | 775 | install-lib.so := $(filter %.so,$(install-lib:%_pic.a=%.so)) |
0700dfa1 | 776 | install-lib := $(filter-out %.so %_pic.a,$(install-lib)) |
0e3426bb | 777 | |
a9ddb793 | 778 | ifeq (yes,$(build-shared)) |
0e3426bb | 779 | # Find which .so's have versions. |
05d4c982 RM |
780 | versioned := $(strip $(foreach so,$(install-lib.so),\ |
781 | $(patsubst %,$(so),$($(so)-version)))) | |
0e3426bb | 782 | |
a9ddb793 UD |
783 | install-lib.so-versioned := $(filter $(versioned), $(install-lib.so)) |
784 | install-lib.so-unversioned := $(filter-out $(versioned), $(install-lib.so)) | |
785 | ||
786 | install-lib-nosubdir: $(install-lib.so-versioned:%=$(inst_libdir)/%) \ | |
787 | $(install-lib.so-unversioned:%=$(inst_slibdir)/%) | |
788 | ||
0e3426bb | 789 | # Install all the unversioned shared libraries. |
a9ddb793 UD |
790 | $(install-lib.so-unversioned:%=$(inst_slibdir)/%): $(inst_slibdir)/%.so: \ |
791 | $(objpfx)%.so $(+force) | |
792 | $(do-install-program) | |
0e3426bb | 793 | |
8a523922 | 794 | ifneq ($(findstring -s,$(LN_S)),) |
f36f8dcf | 795 | define make-link |
f8b87ef0 | 796 | rm -f $@.new |
5bc2f642 | 797 | $(SHELL) $(..)scripts/rellns-sh $< $@.new |
8a523922 UD |
798 | mv -f $@.new $@ |
799 | endef | |
800 | else | |
801 | # If we have no symbolic links don't bother with rellns-sh. | |
802 | define make-link | |
f8b87ef0 UD |
803 | rm -f $@.new |
804 | $(LN_S) $< $@.new | |
8a523922 | 805 | mv -f $@.new $@ |
f36f8dcf | 806 | endef |
8a523922 | 807 | endif |
0e3426bb | 808 | |
9d141cae | 809 | ifeq (yes,$(build-shared)) |
6a08db09 | 810 | ifeq (no,$(cross-compiling)) |
9d141cae UD |
811 | symbolic-link-prog := $(common-objpfx)elf/sln |
812 | symbolic-link-list := $(common-objpfx)elf/symlink.list | |
1ef32c3d | 813 | define make-shlib-link |
9d141cae | 814 | echo $(<F) $@ >> $(symbolic-link-list) |
1ef32c3d | 815 | endef |
6a08db09 RM |
816 | else # cross-compiling |
817 | # We need a definition that can be used by elf/Makefile's install rules. | |
818 | symbolic-link-prog = $(LN_S) | |
1ef32c3d UD |
819 | endif |
820 | endif | |
821 | ifndef make-shlib-link | |
822 | define make-shlib-link | |
9d141cae UD |
823 | rm -f $@ |
824 | $(LN_S) $(<F) $@ | |
1ef32c3d UD |
825 | endef |
826 | endif | |
827 | ||
0e3426bb RM |
828 | ifdef libc.so-version |
829 | # For a library specified to be version N, install three files: | |
830 | # libc.so -> libc.so.N (e.g. libc.so.6) | |
831 | # libc.so.6 -> libc-VERSION.so (e.g. libc-1.10.so) | |
832 | ||
73237de3 UD |
833 | $(inst_slibdir)/libc.so$(libc.so-version): $(inst_slibdir)/libc-$(version).so \ |
834 | $(+force) | |
1ef32c3d | 835 | $(make-shlib-link) |
73237de3 | 836 | $(inst_slibdir)/libc-$(version).so: $(common-objpfx)libc.so $(+force) |
8d57beea UD |
837 | $(do-install-program) |
838 | install: $(inst_slibdir)/libc.so$(libc.so-version) | |
7c713e28 | 839 | |
aa1075ea | 840 | ifndef subdir |
57ba7bb4 UD |
841 | # What we install as libc.so for programs to link against is in fact a |
842 | # link script. It contains references for the various libraries we need. | |
843 | # The libc.so object is not complete since some functions are only defined | |
71bedb76 | 844 | # in libc_nonshared.a. |
e980ca92 UD |
845 | # We need to use absolute paths since otherwise local copies (if they exist) |
846 | # of the files are taken by the linker. | |
8d57beea UD |
847 | install: $(inst_libdir)/libc.so |
848 | $(inst_libdir)/libc.so: $(common-objpfx)libc.so$(libc.so-version) \ | |
a44d2393 | 849 | $(inst_libdir)/$(patsubst %,$(libtype.oS),\ |
73237de3 UD |
850 | $(libprefix)$(libc-name)) \ |
851 | $(+force) | |
47707456 UD |
852 | (echo '/* GNU ld script';\ |
853 | echo ' Use the shared library, but some functions are only in';\ | |
a44d2393 | 854 | echo ' the static library, so try that secondarily. */';\ |
af6f3906 | 855 | echo 'GROUP ( $(slibdir)/libc.so$(libc.so-version)' \ |
a44d2393 UD |
856 | '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)$(libc-name))'\ |
857 | ')' \ | |
858 | ) > $@.new | |
0f90ef96 RM |
859 | mv -f $@.new $@ |
860 | ||
aa1075ea | 861 | endif |
7c713e28 | 862 | |
0e3426bb | 863 | else |
8d57beea | 864 | install: $(inst_slibdir)/libc.so |
73237de3 | 865 | $(inst_slibdir)/libc.so: $(common-objpfx)libc.so $(+force) |
8d57beea | 866 | $(do-install-program) |
0e3426bb RM |
867 | endif |
868 | ||
0e3426bb RM |
869 | ifneq (,$(versioned)) |
870 | # Produce three sets of rules as above for all the smaller versioned libraries. | |
871 | ||
872 | define o-iterator-doit | |
73237de3 | 873 | $(inst_libdir)/$o: $(inst_slibdir)/$o$($o-version) $(+force); $$(make-link) |
0e3426bb RM |
874 | endef |
875 | object-suffixes-left := $(versioned) | |
dc997231 | 876 | include $(o-iterator) |
0e3426bb | 877 | |
20c81189 RM |
878 | # Make symlinks in the build directory, because the versioned names might |
879 | # be referenced by a DT_NEEDED in another library. | |
880 | define o-iterator-doit | |
881 | $(objpfx)$o$($o-version): $(objpfx)$o; $$(make-link) | |
882 | endef | |
883 | object-suffixes-left := $(versioned) | |
dc997231 | 884 | include $(o-iterator) |
20c81189 | 885 | |
da2d1bc5 | 886 | generated += $(foreach o,$(versioned),$o$($o-version)) |
20c81189 | 887 | |
499e7464 | 888 | ifeq (,$($(subdir)-version)) |
0e3426bb | 889 | define o-iterator-doit |
73237de3 UD |
890 | $(inst_slibdir)/$o$($o-version): $(inst_slibdir)/$(o:.so=)-$(version).so \ |
891 | $(+force); | |
1ef32c3d | 892 | $$(make-shlib-link) |
0e3426bb RM |
893 | endef |
894 | object-suffixes-left := $(versioned) | |
dc997231 | 895 | include $(o-iterator) |
0e3426bb RM |
896 | |
897 | define o-iterator-doit | |
73237de3 UD |
898 | $(inst_slibdir)/$(o:.so=)-$(version).so: $(objpfx)$o $(+force); |
899 | $$(do-install-program) | |
0e3426bb RM |
900 | endef |
901 | object-suffixes-left := $(versioned) | |
dc997231 | 902 | include $(o-iterator) |
499e7464 UD |
903 | else |
904 | define o-iterator-doit | |
8d57beea | 905 | $(inst_slibdir)/$o$($o-version): \ |
73237de3 | 906 | $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so $(+force); |
1ef32c3d | 907 | $$(make-shlib-link) |
499e7464 UD |
908 | endef |
909 | object-suffixes-left := $(versioned) | |
910 | include $(o-iterator) | |
911 | ||
912 | define o-iterator-doit | |
73237de3 | 913 | $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so: $(objpfx)$o $(+force); |
499e7464 UD |
914 | $$(do-install-program) |
915 | endef | |
916 | object-suffixes-left := $(versioned) | |
917 | include $(o-iterator) | |
918 | endif | |
0e3426bb | 919 | endif |
102800e0 RM |
920 | |
921 | define do-install-so | |
922 | $(do-install-program) | |
923 | $(patsubst %,ln -s -f $(@F) $(@D)/$(patsubst %$*.so,%,$(<F))$(libprefix)$*.so,\ | |
924 | $(filter-out %.so,$@)) | |
925 | endef | |
094bacdb | 926 | |
102800e0 RM |
927 | so-versions := $(sort $(foreach so,$(install-lib.so),.so$($(so)-version))) |
928 | $(foreach v,$(so-versions),\ | |
73237de3 UD |
929 | $(inst_slibdir)/lib$(libprefix)%$v): $(common-objpfx)lib%.so \ |
930 | $(+force) | |
102800e0 RM |
931 | $(do-install-so) |
932 | $(foreach v,$(so-versions),\ | |
73237de3 | 933 | $(inst_slibdir)/$(libprefix)%$v): $(common-objpfx)%.so $(+force) |
102800e0 | 934 | $(do-install-so) |
51f75302 RM |
935 | endif |
936 | ||
28f540f4 | 937 | ifdef install-bin |
73237de3 UD |
938 | $(addprefix $(inst_bindir)/,$(install-bin)): \ |
939 | $(inst_bindir)/%: $(objpfx)% $(+force) | |
273d56ce | 940 | $(do-install-program) |
28f540f4 | 941 | endif |
6c3ebebd UD |
942 | ifdef install-bin-script |
943 | $(addprefix $(inst_bindir)/,$(install-bin-script)): \ | |
944 | $(inst_bindir)/%: $(objpfx)% $(+force) | |
945 | $(do-install-script) | |
946 | endif | |
1ef32c3d | 947 | ifdef install-rootsbin |
73237de3 UD |
948 | $(addprefix $(inst_rootsbindir)/,$(install-rootsbin)): \ |
949 | $(inst_rootsbindir)/%: $(objpfx)% $(+force) | |
1ef32c3d UD |
950 | $(do-install-program) |
951 | endif | |
28f540f4 | 952 | ifdef install-sbin |
73237de3 UD |
953 | $(addprefix $(inst_sbindir)/,$(install-sbin)): \ |
954 | $(inst_sbindir)/%: $(objpfx)% $(+force) | |
273d56ce | 955 | $(do-install-program) |
28f540f4 RM |
956 | endif |
957 | ifdef install-lib | |
958 | install-lib.a := $(filter lib%.a,$(install-lib)) | |
959 | install-lib-non.a := $(filter-out lib%.a,$(install-lib)) | |
960 | ifdef install-lib-non.a | |
9d187dd4 | 961 | $(addprefix $(inst_libdir)/$(libprefix),$(install-lib-non.a)): \ |
73237de3 | 962 | $(inst_libdir)/$(libprefix)%: $(objpfx)% $(+force) |
28f540f4 RM |
963 | $(do-install) |
964 | endif | |
965 | ifdef install-lib.a | |
8d57beea | 966 | $(install-lib.a:lib%.a=$(inst_libdir)/lib$(libprefix)%.a): \ |
73237de3 | 967 | $(inst_libdir)/lib$(libprefix)%.a: $(objpfx)lib%.a $(+force) |
28f540f4 RM |
968 | $(do-install) |
969 | $(patsubst %,$(RANLIB) $@,$(filter-out $(non-lib.a),$(<F))) | |
970 | endif | |
971 | endif | |
972 | ifdef install-data | |
73237de3 | 973 | $(addprefix $(inst_datadir)/,$(install-data)): $(inst_datadir)/%: % $(+force) |
8d57beea | 974 | $(do-install) |
28f540f4 RM |
975 | endif |
976 | headers := $(strip $(headers)) | |
977 | ifdef headers | |
73237de3 | 978 | $(addprefix $(inst_includedir)/,$(headers)): $(inst_includedir)/%: % $(+force) |
8d57beea | 979 | $(do-install) |
28f540f4 RM |
980 | endif # headers |
981 | ||
6c3ebebd UD |
982 | .PHONY: install-bin-nosubdir install-bin-script-nosubdir \ |
983 | install-rootsbin-nosubdir install-sbin-nosubdir install-lib-nosubdir \ | |
984 | install-data-nosubdir install-headers-nosubdir | |
8d57beea | 985 | install-bin-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin)) |
6c3ebebd | 986 | install-bin-script-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin-script)) |
8d57beea UD |
987 | install-rootsbin-nosubdir: \ |
988 | $(addprefix $(inst_rootsbindir)/,$(install-rootsbin)) | |
989 | install-sbin-nosubdir: $(addprefix $(inst_sbindir)/,$(install-sbin)) | |
990 | install-lib-nosubdir: $(addprefix $(inst_libdir)/,\ | |
28f540f4 RM |
991 | $(patsubst lib%.a,lib$(libprefix)%.a,$(install-lib.a)) \ |
992 | $(addprefix $(libprefix),$(install-lib-non.a))) | |
8d57beea UD |
993 | install-data-nosubdir: $(addprefix $(inst_datadir)/,$(install-data)) |
994 | install-headers-nosubdir: $(addprefix $(inst_includedir)/,$(headers)) | |
28f540f4 RM |
995 | install-others-nosubdir: $(install-others) |
996 | ||
997 | # We need all the `-nosubdir' targets so that `install' in the parent | |
998 | # doesn't depend on several things which each iterate over the subdirs. | |
999 | # This rule makes `install-FOO' always use `install-FOO-nosubdir' as a | |
1000 | # subroutine. Then in the parent `install-FOO' also causes subdir makes. | |
1001 | install-%:: install-%-nosubdir ; | |
1002 | ||
1003 | .PHONY: install install-no-libc.a-nosubdir | |
da2d1bc5 | 1004 | ifeq ($(build-programs),yes) |
28f540f4 | 1005 | install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\ |
6c3ebebd UD |
1006 | install-bin-nosubdir install-bin-script-nosubdir \ |
1007 | install-lib-nosubdir install-others-nosubdir \ | |
1008 | install-rootsbin-nosubdir install-sbin-nosubdir | |
da2d1bc5 UD |
1009 | else |
1010 | install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\ | |
1011 | install-lib-nosubdir install-others-nosubdir | |
1012 | endif | |
28f540f4 RM |
1013 | install: install-no-libc.a-nosubdir |
1014 | \f | |
1015 | # Command to compile $< in $(objdir) using the native libraries. | |
1016 | define native-compile | |
377a515b | 1017 | $(make-target-directory) |
af3878df | 1018 | $(patsubst %/,cd % &&,$(objpfx)) \ |
377a515b UD |
1019 | $(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \ |
1020 | $(firstword $(filter /%,$< $(shell pwd)/$<)) -o $(@F) | |
28f540f4 RM |
1021 | endef |
1022 | ||
1023 | # Command to compile $< in $(common-objdir) using the native libraries. | |
0d204b0a | 1024 | # We must cd to $(objdir) anyway so that $(..)config.h is valid. |
28f540f4 | 1025 | define common-objdir-compile |
af3878df | 1026 | $(patsubst %/,cd % &&,$(objpfx)) \ |
377a515b UD |
1027 | $(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \ |
1028 | $(firstword $(filter /%,$< $(shell pwd)/$<)) -o $(..)$(@F) | |
28f540f4 RM |
1029 | endef |
1030 | ||
1031 | # We always want to use configuration definitions. | |
377a515b UD |
1032 | # Note that this is only used for commands running in $(objpfx). |
1033 | ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) -include $(..)config.h | |
28f540f4 RM |
1034 | |
1035 | # Support the GNU standard name for this target. | |
1036 | .PHONY: check | |
1037 | check: tests | |
c238ecf7 UD |
1038 | # Special target to run tests which cannot be run unconditionally. |
1039 | # Maintainers should use this target. | |
1040 | .PHONY: xcheck | |
1041 | xcheck: xtests | |
776cc5d3 UD |
1042 | |
1043 | ifneq (,$(tests)) | |
1044 | cpp-srcs-left = $(tests) | |
6b87a564 | 1045 | lib := tests |
776cc5d3 UD |
1046 | include $(patsubst %,$(..)cppflags-iterator.mk,$(tests)) |
1047 | endif | |
c238ecf7 UD |
1048 | ifneq (,$(xtests)) |
1049 | cpp-srcs-left = $(xtests) | |
1050 | lib := tests | |
1051 | include $(patsubst %,$(..)cppflags-iterator.mk,$(xtests)) | |
1052 | endif | |
28f540f4 RM |
1053 | \f |
1054 | .PHONY: TAGS | |
5649a1d6 | 1055 | TAGS: $(objpfx)distinfo $(..)MakeTAGS |
dbdb6189 | 1056 | $(MAKE) $(addprefix -f ,$^) $@ |
28f540f4 | 1057 | |
5649a1d6 | 1058 | $(..)po/%.pot: $(objpfx)distinfo $(..)MakeTAGS FORCE |
ce563359 RM |
1059 | $(MAKE) $(addprefix -f ,$(filter-out FORCE,$^)) $@ |
1060 | FORCE: | |
a182affd RM |
1061 | |
1062 | ||
28f540f4 RM |
1063 | .PHONY: echo-headers |
1064 | echo-headers: | |
1065 | @echo $(headers) | |
1066 | ||
1067 | \f | |
1068 | # Common cleaning targets. | |
1069 | ||
3c5edd4d | 1070 | .PHONY: common-mostlyclean common-clean mostlyclean clean do-tests-clean |
28f540f4 RM |
1071 | clean: common-clean |
1072 | mostlyclean: common-mostlyclean | |
1073 | ||
3c5edd4d | 1074 | do-tests-clean: |
c238ecf7 UD |
1075 | -rm -f $(addprefix $(objpfx),$(addsuffix .out,$(tests) $(xtests) \ |
1076 | $(test-srcs)) \ | |
1077 | $(addsuffix -bp.out,$(tests) $(xtests) \ | |
1078 | $(test-srcs))) | |
3c5edd4d | 1079 | |
28f540f4 RM |
1080 | # Remove the object files. |
1081 | common-mostlyclean: | |
c238ecf7 UD |
1082 | -rm -f $(addprefix $(objpfx),$(tests) $(xtests) $(test-srcs) \ |
1083 | $(others) $(sysdep-others) stubs \ | |
1084 | $(addsuffix .o,$(tests) $(xtests) \ | |
1085 | $(test-srcs) $(others) \ | |
414fd335 | 1086 | $(sysdep-others)) \ |
c238ecf7 UD |
1087 | $(addsuffix -bp,$(tests) $(xtests) \ |
1088 | $(test-srcs)) \ | |
1089 | $(addsuffix .out,$(tests) $(xtests) \ | |
1090 | $(test-srcs)) \ | |
1091 | $(addsuffix -bp.out,$(tests) $(xtests) \ | |
1092 | $(test-srcs))) | |
da2d1bc5 UD |
1093 | -rm -f $(addprefix $(objpfx),$(extra-objs) $(install-lib) \ |
1094 | $(install-lib.so) \ | |
1095 | $(install-lib.so:%.so=%_pic.a)) | |
97a47867 | 1096 | -rm -f core |
51f75302 RM |
1097 | $(rmobjs) |
1098 | define rmobjs | |
9afc8a59 | 1099 | $(foreach o,$(object-suffixes-for-libc), |
51702635 | 1100 | -rm -f $(objpfx)stamp$o $(o-objects)) |
51f75302 | 1101 | endef |
28f540f4 RM |
1102 | |
1103 | # Also remove the dependencies and generated source files. | |
1104 | common-clean: common-mostlyclean | |
deab9dea | 1105 | -rm -f $(addprefix $(objpfx),$(generated)) $(+depfiles) |
5290baf0 | 1106 | -rm -fr $(addprefix $(objpfx),$(generated-dirs)) |
924840c5 | 1107 | -rm -f $(addprefix $(common-objpfx),$(common-generated)) |
5649a1d6 | 1108 | -rm -f $(objpfx)distinfo |
28f540f4 | 1109 | \f |
97a47867 | 1110 | # Produce a file `stubs' which contains `#define __stub_FUNCTION' |
28f540f4 | 1111 | # for each function which is a stub. We grovel over all the .d files |
f2ea0f5b UD |
1112 | # looking for references to <stub-tag.h>. Then we grovel over each |
1113 | # referenced source file to see what stub function it defines. | |
28f540f4 | 1114 | |
b22fc5f5 | 1115 | ifdef objpfx |
28f540f4 | 1116 | .PHONY: stubs # The parent Makefile calls this target. |
97a47867 | 1117 | stubs: $(objpfx)stubs |
b22fc5f5 | 1118 | endif |
f2ea0f5b | 1119 | s = $(sysdep_dir)/generic |
97a47867 | 1120 | $(objpfx)stubs: $(+depfiles) |
28f540f4 | 1121 | # Use /dev/null since `...` might expand to empty. |
c218729d | 1122 | (s=`cd $s && $(PWD_P)`; \ |
af3878df | 1123 | $(patsubst %/,cd % &&,$(objpfx)) \ |
c4cc693d | 1124 | sed -n 's/^stub_warning *(\([^)]*\).*$$/#define __stub_\1/p' \ |
f43ce637 | 1125 | `sed -n -e '\@ $s/[^ ]*\.c@{; s@^.* $s/\([^ ]*\.c\).*$$@'"$$s"'/\1@; h; }' \ |
f2ea0f5b | 1126 | -e '/stub-tag\.h/{; g; p; }' \ |
c4cc693d RM |
1127 | $(patsubst $(objpfx)%,%,$^) /dev/null` \ |
1128 | /dev/null) > $@T | |
28f540f4 RM |
1129 | mv -f $@T $@ |
1130 | \f | |
1131 | # Make the distribution tar file. | |
1132 | ||
1133 | .PHONY: dist | |
5649a1d6 | 1134 | dist: $(objpfx)distinfo $(..)Make-dist |
28f540f4 RM |
1135 | $(MAKE) -f $< -f $(word 2,$^) $(Make-dist-args) |
1136 | ||
10ceac89 RM |
1137 | # Avoid depending on source files found in sysdeps dirs, |
1138 | # because the references affect implicit rule selection. | |
1139 | dist: $(filter-out %.c %.S %.s,$(distribute)) | |
28f540f4 RM |
1140 | |
1141 | # We used to simply export all these variables, but that frequently made the | |
1142 | # environment get too large. Instead, we write all the information into | |
1143 | # a generated makefile fragment `distinfo', and then include it with -f in | |
1144 | # the sub-make that makes the distribution (above). | |
5649a1d6 UD |
1145 | $(objpfx)distinfo: Makefile $(..)Makerules \ |
1146 | $(wildcard $(foreach dir,$(sysdirs),$(dir)/Makefile)) | |
714a562f | 1147 | $(make-target-directory) |
28f540f4 RM |
1148 | $(distinfo-vars) |
1149 | mv -f $@.new $@ | |
5649a1d6 UD |
1150 | .PHONY: subdir_distinfo |
1151 | subdir_distinfo: $(objpfx)distinfo | |
28f540f4 RM |
1152 | |
1153 | define distinfo-vars | |
1154 | rm -f $@.new | |
a4242e25 RM |
1155 | echo > $@.new 'subdir := $(subdir)' |
1156 | $(foreach var,subdir-dirs sources elided-routines sysdep_routines \ | |
dfe1754a | 1157 | headers sysdep_headers distribute dont_distribute generated \ |
c238ecf7 UD |
1158 | others tests xtests test-srcs extra-libs versioned \ |
1159 | $(extra-libs:%=%-routines) \ | |
6c3ebebd | 1160 | $(addprefix install-,lib lib.so data bin bin-script sbin others), |
4d6acc61 RM |
1161 | echo >> $@.new '$(subdir)-$(var) := $($(var))' |
1162 | echo >> $@.new '$(var) = $$($(subdir)-$(var))') | |
28f540f4 RM |
1163 | endef |
1164 | \f | |
1165 | ifneq (,$(strip $(gpl2lgpl))) | |
1166 | ifneq (,$(wildcard $(..)gpl2lgpl.sed)) | |
1167 | # Snarf from the master source and frob the copying notice. | |
1168 | $(gpl2lgpl): %: $(..)gpl2lgpl.sed /home/gd/gnu/lib/% | |
1169 | sed -f $^ > $@-tmp | |
1170 | # So I don't edit them by mistake. | |
1171 | chmod a-w $@-tmp | |
1172 | mv -f $@-tmp $@ | |
4d06461a | 1173 | ifeq ($(with-cvs),yes) |
379bb425 | 1174 | test ! -d CVS || cvs $(CVSOPTS) commit -m'Updated from $^' $@ |
28f540f4 RM |
1175 | endif |
1176 | endif | |
4d06461a | 1177 | endif |
c238ecf7 UD |
1178 | |
1179 | # Local Variables: | |
1180 | # mode: makefile | |
1181 | # End: |