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6d7e8eda | 1 | # Copyright (C) 1991-2023 Free Software Foundation, Inc. |
1c68c264 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 | |
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. | |
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 | # Lesser General Public License for more details. | |
13 | ||
14 | # You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 15 | # License along with the GNU C Library; if not, see |
5a82c748 | 16 | # <https://www.gnu.org/licenses/>. |
1c68c264 RM |
17 | |
18 | # | |
19 | # Common rules for making the GNU C library. This file is included | |
20 | # by the top-level Makefile and by all subdirectory makefiles | |
21 | # (through Rules). | |
22 | # | |
23 | ifneq (,) | |
24 | This makefile requires GNU Make. | |
25 | endif | |
26 | ||
27 | REQUIRED_MAKE_VERSION = 3.74 | |
28 | REAL_MAKE_VERSION = $(firstword $(MAKE_VERSION)) | |
29 | ||
30 | ifneq ($(REQUIRED_MAKE_VERSION), \ | |
31 | $(firstword $(sort $(REAL_MAKE_VERSION) $(REQUIRED_MAKE_VERSION)))) | |
32 | Wrong GNU Make version. See above for the version needed. | |
33 | endif | |
34 | ||
35 | ||
36 | ifdef subdir | |
37 | .. := ../ | |
38 | endif # subdir | |
39 | ||
40 | # If `sources' was defined by the parent makefile, undefine it so | |
41 | # we will later get it from wildcard search in this directory. | |
42 | ifneq "$(findstring env,$(origin sources))" "" | |
43 | sources := | |
44 | endif | |
45 | ||
46 | oPATH := $(PATH) | |
47 | PATH := this definition should take precedence over $(oPATH) | |
48 | ifeq ($(PATH),$(oPATH)) | |
49 | You must not use the -e flag when building the GNU C library. | |
50 | else | |
51 | PATH := $(oPATH) | |
52 | endif | |
53 | \f | |
54 | ifndef +included-Makeconfig | |
55 | include $(..)Makeconfig | |
56 | endif | |
57 | ||
1c68c264 RM |
58 | # This variable is used in ``include $(o-iterator)'' after defining |
59 | # $(o-iterator-doit) to produce some desired rule using $o for the object | |
60 | # suffix, and setting $(object-suffixes-left) to $(object-suffixes); a copy | |
61 | # is produced for each object suffix in use. | |
62 | o-iterator = $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left)) | |
63 | \f | |
64 | # Include any system-specific makefiles. | |
65 | ||
66 | # This is here so things in sysdep Makefiles can easily depend on foo.h as | |
67 | # appropriate and not worry about where foo.h comes from, which may be | |
68 | # system dependent and not known by that Makefile. | |
69 | vpath %.h $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \ | |
70 | $(+sysdep_dirs) $(..))) | |
71 | ||
72 | # The same is true for RPC source files. | |
73 | vpath %.x $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \ | |
74 | $(+sysdep_dirs) $(..))) | |
75 | ||
76 | # Some sysdep makefiles use this to distinguish being included here from | |
77 | # being included individually by a subdir makefile (hurd/Makefile needs this). | |
78 | in-Makerules := yes | |
79 | ||
e0a3ed4f | 80 | sysdep-makefiles := $(wildcard $(sysdirs:=/Makefile)) |
1c68c264 RM |
81 | ifneq (,$(sysdep-makefiles)) |
82 | include $(sysdep-makefiles) | |
83 | endif | |
84 | ||
85 | ||
86 | # Reorder before-compile so that mach things come first, and hurd things | |
87 | # second, before all else. The mach and hurd subdirectories have many | |
88 | # generated header files which the much of rest of the library depends on, | |
89 | # so it is best to build them first (and mach before hurd, at that). | |
90 | before-compile := $(filter $(common-objpfx)mach% $(common-objpfx)hurd%,\ | |
91 | $(before-compile)) \ | |
92 | $(filter-out $(common-objpfx)mach% $(common-objpfx)hurd%,\ | |
93 | $(before-compile)) | |
94 | ||
95 | # Even before that, we need abi-versions.h which is generated right here. | |
3f2e46a4 | 96 | ifeq ($(build-shared),yes) |
1c68c264 RM |
97 | ifndef avoid-generated |
98 | before-compile := $(common-objpfx)abi-versions.h $(before-compile) | |
99 | $(common-objpfx)abi-versions.h: $(..)scripts/abi-versions.awk \ | |
100 | $(common-objpfx)Versions.all | |
af296fcd | 101 | LC_ALL=C $(AWK) -f $^ > $@T |
1c68c264 RM |
102 | mv -f $@T $@ |
103 | ||
104 | $(common-objpfx)%.latest: $(common-objpfx)abi-versions.h | |
105 | sed -n '/ VERSION_$*_/{s/^.*_\([A-Z0-9_]*\).*$$/\1/;h;};$${g;p;}' \ | |
106 | $(common-objpfx)abi-versions.h > $@T | |
107 | mv -f $@T $@ | |
8f2e1830 | 108 | |
9aa4965c JM |
109 | # first-versions.h and ldbl-compat-choose.h provide macros used in |
110 | # various symbol versioning macro calls. | |
111 | before-compile := $(common-objpfx)first-versions.h \ | |
112 | $(common-objpfx)ldbl-compat-choose.h $(before-compile) | |
8f2e1830 | 113 | $(common-objpfx)first-versions.h: $(common-objpfx)versions.stmp |
9aa4965c | 114 | $(common-objpfx)ldbl-compat-choose.h: $(common-objpfx)versions.stmp |
1c68c264 | 115 | endif # avoid-generated |
3f2e46a4 | 116 | endif # $(build-shared) = yes |
1c68c264 | 117 | |
92ad15a8 | 118 | ifndef avoid-generated |
83212868 L |
119 | ifneq (,$(CXX)) |
120 | # If C++ headers <cstdlib> or <cmath> are used, GCC 6 will include | |
121 | # /usr/include/stdlib.h or /usr/include/math.h from "#include_next" | |
122 | # (instead of stdlib/stdlib.h or math/math.h in the glibc source | |
123 | # directory), and this turns up as a make dependency. An implicit | |
124 | # rule will kick in and make will try to install stdlib/stdlib.h or | |
125 | # math/math.h as /usr/include/stdlib.h or /usr/include/math.h because | |
126 | # the target is out of date. We make a copy of <cstdlib> and <cmath> | |
127 | # in the glibc build directory so that stdlib/stdlib.h and math/math.h | |
128 | # will be used instead of /usr/include/stdlib.h and /usr/include/math.h. | |
129 | before-compile := $(common-objpfx)cstdlib $(common-objpfx)cmath \ | |
130 | $(before-compile) | |
fc3e1337 | 131 | $(common-objpfx)cstdlib: $(c++-cstdlib-header) |
83212868 L |
132 | $(INSTALL_DATA) $< $@T |
133 | $(move-if-change) $@T $@ | |
fc3e1337 | 134 | $(common-objpfx)cmath: $(c++-cmath-header) |
83212868 L |
135 | $(INSTALL_DATA) $< $@T |
136 | $(move-if-change) $@T $@ | |
a65ea28d L |
137 | ifneq (,$(c++-bits-std_abs-h)) |
138 | # Also make a copy of <bits/std_abs.h> from GCC 7 to prevent it from | |
139 | # including /usr/include/stdlib.h. | |
140 | before-compile := $(common-objpfx)bits/std_abs.h $(before-compile) | |
141 | $(common-objpfx)bits/std_abs.h: $(c++-bits-std_abs-h) | |
142 | $(INSTALL_DATA) $< $@T | |
143 | $(move-if-change) $@T $@ | |
144 | endif | |
83212868 L |
145 | endif |
146 | ||
92ad15a8 | 147 | before-compile := $(common-objpfx)libc-abis.h $(before-compile) |
17ad3877 RM |
148 | $(common-objpfx)libc-abis.h: $(common-objpfx)libc-abis.stamp; @: |
149 | $(common-objpfx)libc-abis.stamp: $(..)scripts/gen-libc-abis \ | |
df5efd61 RM |
150 | $(firstword $(wildcard $(sysdirs:=/libc-abis)) \ |
151 | $(..)libc-abis) \ | |
152 | $(..)Makerules | |
153 | $(SHELL) $< \ | |
92ad15a8 | 154 | $(base-machine)-$(config-vendor)-$(config-os) \ |
17ad3877 RM |
155 | < $(word 2,$^) > $(@:.stamp=.h)T |
156 | $(move-if-change) $(@:.stamp=.h)T $(@:.stamp=.h) | |
157 | touch $@ | |
92ad15a8 UD |
158 | common-generated += $(common-objpfx)libc-abis.h |
159 | endif # avoid-generated | |
160 | ||
ac63a078 DL |
161 | ifeq (yes,$(build-shared)) |
162 | $(common-objpfx)runtime-linker.h: $(common-objpfx)runtime-linker.stamp; @: | |
163 | $(common-objpfx)runtime-linker.stamp: $(common-objpfx)config.make | |
164 | $(make-target-directory) | |
165 | echo '#define RUNTIME_LINKER "$(rtlddir)/$(rtld-installed-name)"' \ | |
166 | > ${@:stamp=T} | |
167 | $(move-if-change) ${@:stamp=T} ${@:stamp=h} | |
168 | touch $@ | |
169 | endif | |
170 | ||
d73f5331 | 171 | # Make sure the subdirectory for object files gets created. |
1c68c264 | 172 | ifdef objpfx |
d73f5331 | 173 | ifeq (,$(wildcard $(objpfx).)) |
1c68c264 RM |
174 | before-compile += $(objpfx). |
175 | $(objpfx).: | |
176 | $(make-target-directory) | |
177 | endif | |
178 | endif | |
179 | ||
180 | # Remove existing files from `before-compile'. Things are added there when | |
181 | # they must exist for dependency generation to work right, but once they | |
182 | # exist there is no further need for every single file to depend on them, | |
183 | # and those gratuitous dependencies result in many gratuitous | |
184 | # recompilations. | |
185 | before-compile := $(filter-out $(wildcard $(before-compile)),$(before-compile)) | |
186 | ||
187 | # Don't let any before-compile file be an intermediate and get removed. | |
188 | ifdef before-compile | |
189 | $(before-compile): | |
190 | endif | |
191 | ||
7f3a54bd RM |
192 | # We don't want $(common-objpfx) files to depend on miscellaneous stuff |
193 | # in subdirs. | |
194 | ifdef subdir | |
195 | common-before-compile := $(filter-out $(objpfx)%,$(before-compile)) | |
196 | else | |
197 | common-before-compile = $(before-compile) | |
198 | endif | |
199 | ||
d73f5331 | 200 | ifndef subdir |
1c68c264 RM |
201 | # If a makefile needs to do something conditional on something that |
202 | # can only be figured out from headers, write a FOO.make.c input | |
7f0d9e61 | 203 | # file that uses cpp constructs and contains @@@ LINE @@@ for each LINE |
1c68c264 | 204 | # to emit in the generated makefile, and use -include $(common-objpfx)FOO.make. |
d73f5331 RM |
205 | # |
206 | # We only generate these in the top-level makefile, to avoid any weirdness | |
207 | # from subdir-specific makefile tweaks creeping in on an update. | |
7f3a54bd | 208 | $(common-objpfx)%.make: $(..)%.make.c $(..)Makerules $(common-before-compile) |
1c68c264 RM |
209 | rm -f $@T $@.dT |
210 | (echo '# Generated from $*.make.c by Makerules.'; \ | |
3192fd8e | 211 | $(CC) $(CFLAGS) $(CPPFLAGS) -E -DASSEMBLER $< \ |
7cd72ad3 | 212 | -MD -MP -MT '$$(common-objpfx)$*.make' -MF $@.dT \ |
1c68c264 RM |
213 | | sed -n '/@@@/{s/@@@[ ]*\(.*\)@@@/\1/;s/[ ]*$$//p;}'; \ |
214 | echo 'common-generated += $(@F)'; \ | |
9ae10332 RM |
215 | sed $(sed-remove-objpfx) $(sed-remove-dotdot) $@.dT; \ |
216 | rm -f $@.dT) > $@T | |
1c68c264 | 217 | mv -f $@T $@ |
d73f5331 | 218 | endif |
9ae10332 | 219 | |
0e56981e | 220 | ifdef subdir |
7cd72ad3 RM |
221 | sed-remove-dotdot := -e 's@ *\.\.\/\([^ \]*\)@ $$(..)\1@g' \ |
222 | -e 's@^\.\.\/\([^ \]*\)@$$(..)\1@g' | |
0e56981e | 223 | else |
7cd72ad3 RM |
224 | sed-remove-dotdot := -e 's@ *\([^ \/$$][^ \]*\)@ $$(..)\1@g' \ |
225 | -e 's@^\([^ \/$$][^ \]*\)@$$(..)\1@g' | |
0e56981e | 226 | endif |
7f3a54bd | 227 | |
23b5cae1 MG |
228 | ifdef gen-py-const-headers |
229 | # We'll use a static pattern rule to match .pysym files with their | |
230 | # corresponding generated .py files. | |
231 | # The generated .py files go in the submodule's dir in the glibc build dir. | |
232 | py-const-files := $(patsubst %.pysym,%.py,$(gen-py-const-headers)) | |
233 | py-const-dir := $(objpfx) | |
234 | py-const := $(addprefix $(py-const-dir),$(py-const-files)) | |
cb7be159 | 235 | py-const-script := $(..)scripts/gen-as-const.py |
23b5cae1 | 236 | |
cb7be159 JM |
237 | # This is a hack we use to generate .py files with constants for |
238 | # Python code. | |
23b5cae1 | 239 | # |
cb7be159 JM |
240 | # $@.tmp is a temporary file we use to store the partial contents of |
241 | # the target file. We do this instead of just writing on $@ because, | |
242 | # if the build process terminates prematurely, re-running Make | |
243 | # wouldn't run this rule since Make would see that the target file | |
244 | # already exists (despite it being incomplete). | |
23b5cae1 | 245 | # |
cb7be159 JM |
246 | # The output is redirected to a .py file; we'll import it in the main |
247 | # Python code to read the constants generated by gen-as-const.py. | |
23b5cae1 MG |
248 | $(py-const): $(py-const-dir)%.py: %.pysym $(py-const-script) \ |
249 | $(common-before-compile) | |
250 | $(make-target-directory) | |
cb7be159 JM |
251 | $(PYTHON) $(py-const-script) --python \ |
252 | --cc="$(CC) $(CFLAGS) $(CPPFLAGS)" $< \ | |
253 | > $@.tmp | |
254 | mv -f $@.tmp $@ | |
23b5cae1 MG |
255 | |
256 | generated += $(py-const) | |
257 | endif # gen-py-const-headers | |
7f3a54bd | 258 | |
0c7c6d53 | 259 | ifdef gen-as-const-headers |
7f3a54bd RM |
260 | # Generating headers for assembly constants. |
261 | # We need this defined early to get into before-compile before | |
262 | # it's used in sysd-rules, below. | |
f5d1f629 L |
263 | # Define GEN_AS_CONST_HEADERS to avoid circular dependency [BZ #22792]. |
264 | # NB: <tcb-offsets.h> is generated from tcb-offsets.sym to define | |
265 | # offsets and sizes of types in <tls.h> and maybe <pthread.h> which | |
266 | # may include <tcb-offsets.h>. Target header files can check if | |
267 | # GEN_AS_CONST_HEADERS is defined to avoid circular dependency which | |
268 | # may lead to build hang on a many-core machine. | |
7e1d4240 | 269 | $(common-objpfx)%.h $(common-objpfx)%.h.d: $(..)scripts/gen-as-const.py \ |
7f3a54bd | 270 | %.sym $(common-before-compile) |
7e1d4240 JM |
271 | $(PYTHON) $< --cc="$(CC) $(CFLAGS) $(CPPFLAGS) -DGEN_AS_CONST_HEADERS \ |
272 | -MD -MP -MF $(@:.h=.h.d)T \ | |
273 | -MT '$(@:.h=.h.d) $(@:.h.d=.h)'" \ | |
274 | $(filter %.sym,$^) > $(@:.h.d=.h)T | |
7f3a54bd RM |
275 | sed $(sed-remove-objpfx) $(sed-remove-dotdot) \ |
276 | $(@:.h=.h.d)T > $(@:.h=.h.d)T2 | |
277 | rm -f $(@:.h=.h.d)T | |
278 | mv -f $(@:.h=.h.d)T2 $(@:.h=.h.d) | |
279 | mv -f $(@:.h.d=.h)T $(@:.h.d=.h) | |
280 | vpath %.sym $(sysdirs) | |
281 | before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h) | |
0c7c6d53 | 282 | |
7c3018f9 | 283 | tests-internal += $(gen-as-const-headers:%.sym=test-as-const-%) |
ba389ce3 | 284 | generated += $(gen-as-const-headers:%.sym=test-as-const-%.c) |
7e1d4240 | 285 | $(objpfx)test-as-const-%.c: $(..)scripts/gen-as-const.py $(..)Makerules \ |
ba389ce3 | 286 | %.sym $(common-objpfx)%.h |
0c7c6d53 | 287 | ($(AWK) '{ sub(/^/, "asconst_", $$2); print; }' $(filter %.h,$^); \ |
7e1d4240 | 288 | $(PYTHON) $< --test $(filter %.sym,$^)) > $@T |
0c7c6d53 RM |
289 | mv -f $@T $@ |
290 | endif | |
1c68c264 | 291 | \f |
67c37987 RM |
292 | ifeq (yes,$(build-shared)) |
293 | # Generate the header containing the names of all shared libraries. | |
294 | # We use a stamp file to avoid unnecessary recompilations. | |
295 | before-compile += $(common-objpfx)gnu/lib-names.h | |
296 | ifeq ($(soversions.mk-done),t) | |
297 | ifndef abi-variants | |
298 | lib-names-h-abi = gnu/lib-names.h | |
299 | lib-names-stmp-abi = gnu/lib-names.stmp | |
300 | else | |
301 | lib-names-h-abi = gnu/lib-names-$(default-abi).h | |
302 | lib-names-stmp-abi = gnu/lib-names-$(default-abi).stmp | |
303 | before-compile += $(common-objpfx)$(lib-names-h-abi) | |
304 | common-generated += gnu/lib-names.h | |
305 | install-others-nosubdir: $(inst_includedir)/$(lib-names-h-abi) | |
306 | $(common-objpfx)gnu/lib-names.h: | |
307 | $(make-target-directory) | |
308 | { \ | |
309 | echo '/* This file is automatically generated.';\ | |
310 | echo ' It defines macros to allow user program to find the shared'; \ | |
311 | echo ' library files which come as part of GNU libc. */'; \ | |
312 | echo '#ifndef __GNU_LIB_NAMES_H'; \ | |
313 | echo '#define __GNU_LIB_NAMES_H 1'; \ | |
314 | echo ''; \ | |
315 | $(if $(abi-includes), \ | |
316 | $(foreach h,$(abi-includes), echo '#include <$(h)>';) \ | |
317 | echo '';) \ | |
318 | $(foreach v,$(abi-variants),\ | |
319 | $(if $(abi-$(v)-condition),\ | |
320 | echo '#if $(abi-$(v)-condition)'; \ | |
321 | echo '# include <gnu/lib-names-$(v).h>'); \ | |
322 | $(if $(abi-$(v)-condition),echo '#endif';)) \ | |
323 | echo ''; \ | |
324 | echo '#endif /* gnu/lib-names.h */'; \ | |
325 | } > $@ | |
326 | endif | |
327 | $(common-objpfx)$(lib-names-h-abi): $(common-objpfx)$(lib-names-stmp-abi); @: | |
328 | $(common-objpfx)$(lib-names-stmp-abi): $(..)scripts/lib-names.awk \ | |
329 | $(common-objpfx)soversions.i | |
330 | $(make-target-directory) | |
331 | { \ | |
332 | $(if $(abi-variants), \ | |
333 | echo '/* This file is automatically generated. */';\ | |
334 | echo '#ifndef __GNU_LIB_NAMES_H'; \ | |
335 | echo '# error "Never use <$(lib-names-h-abi)> directly; include <gnu/lib-names.h> instead."'; \ | |
336 | echo '#endif';, \ | |
337 | echo '/* This file is automatically generated.';\ | |
338 | echo ' It defines macros to allow user program to find the shared'; \ | |
339 | echo ' library files which come as part of GNU libc. */'; \ | |
340 | echo '#ifndef __GNU_LIB_NAMES_H'; \ | |
341 | echo '#define __GNU_LIB_NAMES_H 1';) \ | |
342 | echo ''; \ | |
343 | ($(foreach s,$(all-sonames), echo $(s);)) \ | |
344 | | LC_ALL=C $(AWK) -f $(firstword $^) | LC_ALL=C sort; \ | |
345 | $(if $(abi-variants),, \ | |
346 | echo ''; \ | |
347 | echo '#endif /* gnu/lib-names.h */';) \ | |
348 | } > ${@:stmp=T} | |
349 | $(move-if-change) ${@:stmp=T} ${@:stmp=h} | |
350 | touch $@ | |
351 | endif | |
352 | common-generated += $(lib-names-h-abi) $(lib-names-stmp-abi) | |
353 | endif | |
354 | \f | |
355 | ############################################################################### | |
356 | # NOTE! Everything adding to before-compile needs to come before this point! # | |
357 | ############################################################################### | |
358 | ||
1c68c264 RM |
359 | # Generate an ordered list of implicit rules which find the source files in |
360 | # each sysdep directory. The old method was to use vpath to search all the | |
361 | # sysdep directories. However, that had the problem that a .S file in a | |
362 | # later directory would be chosen over a .c file in an earlier directory, | |
363 | # which does not preserve the desired sysdeps ordering behavior. | |
364 | ||
346d65b3 RM |
365 | # System-dependent makefiles can put in `inhibit-sysdep-asm' regexps |
366 | # matching sysdep directories whose assembly source files should be | |
367 | # suppressed. | |
1c68c264 | 368 | |
e0a3ed4f | 369 | -include $(common-objpfx)sysd-rules |
1c68c264 RM |
370 | ifneq ($(sysd-rules-sysdirs),$(config-sysdirs)) |
371 | # The value of $(+sysdep_dirs) the sysd-rules was computed for | |
372 | # differs from the one we are using now. So force a rebuild of sysd-rules. | |
373 | sysd-rules-force = FORCE | |
374 | FORCE: | |
375 | endif | |
346d65b3 RM |
376 | $(common-objpfx)sysd-rules: $(..)scripts/sysd-rules.awk \ |
377 | $(common-objpfx)config.make $(..)Makerules \ | |
708ef8a4 RM |
378 | $(sysdep-makefiles) $(sysdep-makeconfigs) \ |
379 | $(sysd-rules-force) | |
1c68c264 | 380 | -@rm -f $@T |
346d65b3 RM |
381 | LC_ALL=C $(AWK) -f $< > $@T \ |
382 | -v all_object_suffixes='$(all-object-suffixes)' \ | |
383 | -v inhibit_sysdep_asm='$(inhibit-sysdep-asm)' \ | |
384 | -v sysd_rules_patterns='$(sysd-rules-patterns)' \ | |
385 | -v config_sysdirs='$(config-sysdirs)' | |
1c68c264 RM |
386 | mv -f $@T $@ |
387 | ||
388 | ifndef sysd-rules-done | |
389 | # Don't do deps until this exists, because it provides rules to make the deps. | |
390 | no_deps=t | |
391 | endif | |
392 | ||
b6ab06ce UD |
393 | define o-iterator-doit |
394 | $(objpfx)%$o: %.S $(before-compile); $$(compile-command.S) | |
395 | endef | |
396 | object-suffixes-left := $(all-object-suffixes) | |
397 | include $(o-iterator) | |
398 | ||
b6ab06ce UD |
399 | define o-iterator-doit |
400 | $(objpfx)%$o: %.c $(before-compile); $$(compile-command.c) | |
401 | endef | |
402 | object-suffixes-left := $(all-object-suffixes) | |
403 | include $(o-iterator) | |
404 | ||
7735afa2 UD |
405 | define o-iterator-doit |
406 | $(objpfx)%$o: %.cc $(before-compile); $$(compile-command.cc) | |
407 | endef | |
408 | object-suffixes-left := $(all-object-suffixes) | |
409 | include $(o-iterator) | |
410 | ||
b6ab06ce UD |
411 | # Omit the objpfx rules when building in the source tree, because |
412 | # objpfx is empty and so these rules just override the ones above. | |
413 | ifdef objpfx | |
414 | # Define first rules to find the source files in $(objpfx). | |
415 | # Generated source files will end up there. | |
416 | define o-iterator-doit | |
417 | $(objpfx)%$o: $(objpfx)%.S $(before-compile); $$(compile-command.S) | |
418 | endef | |
419 | object-suffixes-left := $(all-object-suffixes) | |
420 | include $(o-iterator) | |
421 | ||
b6ab06ce UD |
422 | define o-iterator-doit |
423 | $(objpfx)%$o: $(objpfx)%.c $(before-compile); $$(compile-command.c) | |
424 | endef | |
425 | object-suffixes-left := $(all-object-suffixes) | |
426 | include $(o-iterator) | |
db27f125 SP |
427 | |
428 | define o-iterator-doit | |
429 | $(objpfx)%$o: $(objpfx)%.cc $(before-compile); $$(compile-command.cc) | |
430 | endef | |
431 | object-suffixes-left := $(all-object-suffixes) | |
432 | include $(o-iterator) | |
b6ab06ce UD |
433 | endif |
434 | ||
d73f5331 | 435 | # Generate .dT files as we compile. |
b9608428 | 436 | compile-mkdep-flags = -MD -MP -MF $@.dt -MT $@ |
d73f5331 | 437 | compile-command.S = $(compile.S) $(OUTPUT_OPTION) $(compile-mkdep-flags) |
d73f5331 | 438 | compile-command.c = $(compile.c) $(OUTPUT_OPTION) $(compile-mkdep-flags) |
7735afa2 | 439 | compile-command.cc = $(compile.cc) $(OUTPUT_OPTION) $(compile-mkdep-flags) |
1c68c264 | 440 | |
656416c9 AS |
441 | # Like compile-mkdep-flags, but for use with $(BUILD_CC). We don't want to |
442 | # track system includes here, they may spuriously trigger an install rule, | |
443 | # and would cause the check-local-headers test to fail. | |
444 | native-compile-mkdep-flags = -MMD -MP -MF $@.dt -MT $@ | |
445 | ||
1c68c264 RM |
446 | # GCC can grok options after the file name, and it looks nicer that way. |
447 | compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS) | |
7735afa2 | 448 | compile.cc = $(CXX) $< -c $(CXXFLAGS) $(CPPFLAGS) |
073e82bf RM |
449 | compile.S = $(CC) $< -c $(CPPFLAGS) $(S-CPPFLAGS) \ |
450 | $(ASFLAGS) $(ASFLAGS-$(suffix $@)) | |
c1487492 | 451 | COMPILE.c = $(CC) -c $(CFLAGS) $(CPPFLAGS) |
073e82bf RM |
452 | COMPILE.S = $(CC) -c $(CPPFLAGS) $(S-CPPFLAGS) \ |
453 | $(ASFLAGS) $(ASFLAGS-$(suffix $@)) | |
1c68c264 | 454 | |
1c68c264 RM |
455 | # We need this for the output to go in the right place. It will default to |
456 | # empty if make was configured to work with a cc that can't grok -c and -o | |
457 | # together. You can't compile the C library with such a compiler. | |
458 | OUTPUT_OPTION = -o $@ | |
459 | ||
c1487492 RM |
460 | # This is the end of the pipeline for compiling generated C code. |
461 | compile-stdin.c = $(COMPILE.c) -o $@ -x c - $(compile-mkdep-flags) | |
462 | ||
1c68c264 RM |
463 | # We need the $(CFLAGS) to be in there to have the right predefines during |
464 | # the dependency run for C sources. But having it for assembly sources can | |
465 | # get the wrong predefines. | |
f4281cc4 | 466 | S-CPPFLAGS = -DASSEMBLER $(asm-CPPFLAGS) |
d73f5331 | 467 | |
1c68c264 RM |
468 | ifneq (,$(objpfx)) |
469 | # Continuation lines here are dangerous because they introduce spaces! | |
470 | define sed-remove-objpfx | |
471 | -e 's@ $(subst .,\.,$(subst @,\@,$(common-objpfx)))@ $$(common-objpfx)@g' \ | |
472 | -e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g' | |
473 | endef | |
474 | endif | |
475 | \f | |
476 | # Modify the list of routines we build for different targets | |
477 | ||
0269750c | 478 | ifeq (yes,$(build-shared)) |
1c68c264 RM |
479 | ifndef libc.so-version |
480 | # Undefine this because it can't work when we libc.so is unversioned. | |
481 | static-only-routines = | |
482 | endif | |
483 | endif | |
484 | ||
1c68c264 | 485 | elide-routines.oS += $(filter-out $(static-only-routines),\ |
c2d54929 JM |
486 | $(routines) $(aux) $(sysdep_routines)) |
487 | elide-routines.os += $(static-only-routines) | |
1c68c264 RM |
488 | |
489 | # If we have versioned code we don't need the old versions in any of the | |
490 | # static libraries. | |
c2d54929 JM |
491 | elide-routines.o += $(shared-only-routines) |
492 | elide-routines.op += $(shared-only-routines) | |
1c68c264 RM |
493 | \f |
494 | # Shared library building. | |
495 | ||
496 | ifeq (yes,$(build-shared)) | |
497 | ||
3f2e46a4 | 498 | # Reference map file only when shared libraries are built and a map file name |
1c68c264 | 499 | # is given. |
3f2e46a4 | 500 | ifeq ($(build-shared),yes) |
1c68c264 RM |
501 | map-file = $(firstword $($(@F:.so=-map)) \ |
502 | $(addprefix $(common-objpfx), \ | |
503 | $(filter $(@F:.so=.map),$(version-maps)))) | |
504 | load-map-file = $(map-file:%=-Wl,--version-script=%) | |
505 | endif | |
506 | ||
fab7ce3f JM |
507 | # Compiler arguments to use to link a shared object with libc and |
508 | # ld.so. This is intended to be as similar as possible to a default | |
509 | # link with an installed libc. | |
510 | link-libc-args = -Wl,--start-group \ | |
511 | $(libc-for-link) \ | |
512 | $(common-objpfx)libc_nonshared.a \ | |
8b196ac4 | 513 | -Wl,--as-needed $(elf-objpfx)ld.so -Wl,--no-as-needed \ |
fab7ce3f JM |
514 | -Wl,--end-group |
515 | ||
516 | # The corresponding shared libc to use. This may be modified for a | |
517 | # particular target. | |
518 | libc-for-link = $(common-objpfx)libc.so | |
519 | ||
520 | # The corresponding dependencies. As these are used in dependencies, | |
521 | # not just commands, they cannot use target-specific variables so need | |
522 | # to name both possible libc.so objects. | |
523 | link-libc-deps = $(common-objpfx)libc.so $(common-objpfx)linkobj/libc.so \ | |
4134b50d | 524 | $(common-objpfx)libc_nonshared.a $(elf-objpfx)ld.so |
fab7ce3f | 525 | |
1c68c264 RM |
526 | # Pattern rule to build a shared object from an archive of PIC objects. |
527 | # This must come after the installation rules so Make doesn't try to | |
528 | # build shared libraries in place from the installed *_pic.a files. | |
529 | # $(LDLIBS-%.so) may contain -l switches to generate run-time dependencies | |
fab7ce3f JM |
530 | # on other shared objects. The linking with libc and ld.so is intended |
531 | # to be as similar as possible to a default link with an installed libc. | |
02657da2 | 532 | lib%.so: lib%_pic.a $(+preinit) $(+postinit) $(link-libc-deps) |
fab7ce3f | 533 | $(build-shlib) $(link-libc-args) |
04f5a636 | 534 | $(call after-link,$@) |
1c68c264 | 535 | |
1c68c264 | 536 | define build-shlib-helper |
30f58bb1 | 537 | $(LINK.o) -shared -static-libgcc -Wl,-O1 $(sysdep-LDFLAGS) \ |
740b3dbe | 538 | $(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) $(rtld-LDFLAGS) \ |
2d5ec669 | 539 | $(if $($(@F)-no-dt-relr),$(no-dt-relr-ldflag),$(dt-relr-ldflag)) \ |
1c68c264 RM |
540 | $(extra-B-$(@F:lib%.so=%).so) -B$(csu-objpfx) \ |
541 | $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \ | |
542 | -Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \ | |
2d6ab5df | 543 | $(LDFLAGS.so) $(LDFLAGS-lib.so) $(LDFLAGS-$(@F:lib%.so=%).so) \ |
1c68c264 RM |
544 | -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) |
545 | endef | |
1c68c264 | 546 | |
358cad7c | 547 | define build-shlib |
91fc5b99 | 548 | $(build-shlib-helper) -o $@ \ |
1c68c264 | 549 | $(csu-objpfx)abi-note.o $(build-shlib-objlist) |
1c68c264 | 550 | endef |
1c68c264 | 551 | |
1c68c264 | 552 | define build-module-helper |
30f58bb1 | 553 | $(LINK.o) -shared -static-libgcc $(sysdep-LDFLAGS) $(rtld-LDFLAGS) \ |
1a379ea0 | 554 | $(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) \ |
2d5ec669 | 555 | $(if $($(@F)-no-dt-relr),$(no-dt-relr-ldflag),$(dt-relr-ldflag)) \ |
1c68c264 RM |
556 | -B$(csu-objpfx) $(load-map-file) \ |
557 | $(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \ | |
114d07fd | 558 | $(link-test-modules-rpath-link) \ |
1c68c264 RM |
559 | -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) |
560 | endef | |
1c68c264 RM |
561 | |
562 | # This macro is similar to build-shlib but it does not define a soname | |
563 | # and it does not depend on the destination name to start with `lib'. | |
1c68c264 RM |
564 | # binutils only position loadable notes into the first page for binaries, |
565 | # not for shared objects | |
566 | define build-module | |
91fc5b99 | 567 | $(build-module-helper) -o $@ \ |
fab7ce3f | 568 | $(csu-objpfx)abi-note.o $(build-module-objlist) $(link-libc-args) |
04f5a636 | 569 | $(call after-link,$@) |
1c68c264 | 570 | endef |
d9266ea0 | 571 | define build-module-asneeded |
91fc5b99 | 572 | $(build-module-helper) -o $@ \ |
d9266ea0 | 573 | $(csu-objpfx)abi-note.o \ |
fab7ce3f JM |
574 | -Wl,--as-needed $(build-module-objlist) -Wl,--no-as-needed \ |
575 | $(link-libc-args) | |
04f5a636 | 576 | $(call after-link,$@) |
d9266ea0 | 577 | endef |
1c68c264 | 578 | |
ecd0747d | 579 | # sofini.os must be placed last since it terminates .eh_frame section. |
1c68c264 RM |
580 | build-module-helper-objlist = \ |
581 | $(patsubst %_pic.a,$(whole-archive) %_pic.a $(no-whole-archive),\ | |
fab7ce3f | 582 | $(filter-out %.lds $(map-file) $(+preinit) $(+postinit) \ |
ecd0747d | 583 | $(elf-objpfx)sofini.os \ |
fab7ce3f | 584 | $(link-libc-deps),$^)) |
1c68c264 RM |
585 | |
586 | build-module-objlist = $(build-module-helper-objlist) $(LDLIBS-$(@F:%.so=%).so) | |
587 | build-shlib-objlist = $(build-module-helper-objlist) \ | |
ecd0747d L |
588 | $(LDLIBS-$(@F:lib%.so=%).so) \ |
589 | $(filter $(elf-objpfx)sofini.os,$^) | |
1c68c264 RM |
590 | |
591 | # Don't try to use -lc when making libc.so itself. | |
592 | # Also omits crti.o and crtn.o, which we do not want | |
593 | # since we define our own `.init' section specially. | |
594 | LDFLAGS-c.so = -nostdlib -nostartfiles | |
cbdb12de UD |
595 | # But we still want to link libc.so against $(libc.so-gnulib). |
596 | LDLIBS-c.so += $(libc.so-gnulib) | |
1c68c264 RM |
597 | # Give libc.so an entry point and make it directly runnable itself. |
598 | LDFLAGS-c.so += -e __libc_main | |
dbb0f06c | 599 | # Pre-link the objects of libc_pic.a for .gnu.glibc-stub.* processing. |
1c68c264 | 600 | $(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a |
b350afab | 601 | $(LINK.o) -nostdlib -nostartfiles -r -o $@ \ |
dbb0f06c | 602 | $(LDFLAGS-c_pic.os) $(whole-archive) $^ -o $@ |
1b74661a | 603 | |
1b74661a RM |
604 | # Generate a list of -R options to excise .gnu.glibc-stub.* sections. |
605 | $(common-objpfx)libc_pic.opts: $(common-objpfx)libc_pic.os | |
606 | $(OBJDUMP) -h $< | \ | |
607 | $(AWK) '$$2 ~ /\.gnu\.glibc-stub\./ { print "-R", $$2 }' \ | |
608 | > $@T | |
609 | mv -f $@T $@ | |
610 | # Apply those -R options. | |
611 | $(common-objpfx)libc_pic.os.clean: $(common-objpfx)libc_pic.opts \ | |
612 | $(common-objpfx)libc_pic.os | |
613 | $(OBJCOPY) @$^ $@ | |
614 | generated += libc_pic.opts libc_pic.os.clean | |
615 | ||
616 | libc_pic_clean := .clean | |
1b74661a | 617 | |
5f855e35 BM |
618 | # Build a possibly-modified version of libc_pic.a for use in building |
619 | # linkobj/libc.so. | |
620 | ifeq (,$(filter sunrpc,$(subdirs))) | |
621 | $(common-objpfx)linkobj/libc_pic.a: $(common-objpfx)libc_pic.a | |
622 | $(make-target-directory) | |
623 | ln -f $< $@ | |
624 | else | |
625 | $(common-objpfx)linkobj/libc_pic.a: $(common-objpfx)libc_pic.a \ | |
626 | $(common-objpfx)sunrpc/librpc_compat_pic.a | |
627 | $(make-target-directory) | |
628 | (cd $(common-objpfx)linkobj; \ | |
629 | $(AR) x ../libc_pic.a; \ | |
630 | rm $$($(AR) t ../sunrpc/librpc_compat_pic.a | sed 's/^compat-//'); \ | |
631 | $(AR) x ../sunrpc/librpc_compat_pic.a; \ | |
632 | $(AR) cr libc_pic.a *.os; \ | |
633 | rm *.os) | |
634 | endif # $(subdirs) contains sunrpc | |
635 | ||
636 | # Clear link-libc-deps for the libc.so libraries so build-shlibs does not | |
637 | # filter ld.so out of the list of linked objects. | |
fab7ce3f | 638 | $(common-objpfx)libc.so: link-libc-deps = # empty |
5f855e35 | 639 | $(common-objpfx)linkobj/libc.so: link-libc-deps = # empty |
fab7ce3f | 640 | |
5f855e35 BM |
641 | # Use our own special initializer and finalizer files for the libc.so |
642 | # libraries. | |
ce12fc71 | 643 | $(common-objpfx)libc.so: $(common-objpfx)libc_pic.os$(libc_pic_clean) \ |
4134b50d JM |
644 | $(elf-objpfx)sofini.os \ |
645 | $(elf-objpfx)interp.os \ | |
91fc5b99 | 646 | $(elf-objpfx)ld.so |
5f855e35 | 647 | $(build-shlib) |
04f5a636 | 648 | $(call after-link,$@) |
5f855e35 | 649 | |
ce12fc71 | 650 | $(common-objpfx)linkobj/libc.so: $(common-objpfx)linkobj/libc_pic.a \ |
4134b50d JM |
651 | $(elf-objpfx)sofini.os \ |
652 | $(elf-objpfx)interp.os \ | |
91fc5b99 | 653 | $(elf-objpfx)ld.so |
1c68c264 | 654 | $(build-shlib) |
04f5a636 | 655 | $(call after-link,$@) |
5f855e35 | 656 | |
3f2e46a4 | 657 | ifeq ($(build-shared),yes) |
1c68c264 RM |
658 | $(common-objpfx)libc.so: $(common-objpfx)libc.map |
659 | endif | |
660 | common-generated += libc.so libc_pic.os | |
661 | ifdef libc.so-version | |
662 | $(common-objpfx)libc.so$(libc.so-version): $(common-objpfx)libc.so | |
663 | $(make-link) | |
664 | common-generated += libc.so$(libc.so-version) | |
665 | endif | |
666 | endif | |
1c68c264 RM |
667 | \f |
668 | # Figure out the source filenames in this directory. | |
669 | ||
670 | override sources := $(addsuffix .c,\ | |
671 | $(filter-out $(elided-routines),\ | |
672 | $(routines) $(aux) \ | |
673 | $(sysdep_routines))) | |
674 | sysdep_routines := $(sysdep_routines) | |
675 | ||
676 | headers := $(headers) $(sysdep_headers) | |
677 | ||
678 | # This is the list of all object files, gotten by | |
679 | # replacing every ".c" in `sources' with a ".o". | |
c2d54929 | 680 | override objects := $(addprefix $(objpfx),$(sources:.c=.o)) |
1c68c264 RM |
681 | |
682 | ||
683 | # The makefile may define $(extra-libs) with `libfoo libbar' | |
684 | # to build libfoo.a et al from the modules listed in $(libfoo-routines). | |
685 | ifdef extra-libs | |
686 | # extra-lib.mk is included once for each extra lib to define rules | |
687 | # to build it, and to add its objects to the various variables. | |
688 | # During its evaluation, $(lib) is set to the name of the library. | |
689 | extra-libs-left := $(extra-libs) | |
690 | include $(patsubst %,$(..)extra-lib.mk,$(extra-libs)) | |
691 | endif | |
b30542fb UD |
692 | |
693 | ||
aed48a2a RM |
694 | # The makefile may define $(modules-names) to build additional modules. |
695 | # These are built with $(build-module), except any in $(modules-names-nobuild). | |
7c3018f9 | 696 | # MODULE_NAME=extramodules, except any in $(modules-names-tests). |
b30542fb | 697 | ifdef modules-names |
7c3018f9 ZW |
698 | cpp-srcs-left := $(filter-out $(modules-names-tests),$(modules-names)) |
699 | ifneq (,$(cpp-srcs-left)) | |
700 | lib := extramodules | |
701 | include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) | |
702 | endif | |
703 | ||
704 | ifdef modules-names-tests | |
705 | cpp-srcs-left := $(filter $(modules-names-tests),$(modules-names)) | |
706 | ifneq (,$(cpp-srcs-left)) | |
707 | lib := testsuite | |
708 | include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) | |
709 | endif | |
710 | endif | |
aed48a2a RM |
711 | |
712 | extra-modules-build := $(filter-out $(modules-names-nobuild),$(modules-names)) | |
713 | $(extra-modules-build:%=$(objpfx)%.so): $(objpfx)%.so: \ | |
91fc5b99 | 714 | $(objpfx)%.os $(link-libs-deps) |
aed48a2a | 715 | $(build-module) |
b30542fb | 716 | endif |
1c68c264 RM |
717 | \f |
718 | +depfiles := $(sources:.c=.d) \ | |
719 | $(patsubst %.o,%.d,$(filter %.o,$(extra-objs:.os=.o))) \ | |
5bd66283 | 720 | $(patsubst %.oS,%.d,$(filter %.oS,$(extra-objs))) \ |
376e973a | 721 | $(patsubst %.o,%.d,$(filter %.o,$(extra-test-objs:.os=.o))) \ |
088d3291 | 722 | $(addsuffix .d,$(tests) $(tests-internal) $(xtests) \ |
1fe00d3e | 723 | $(tests-container) $(tests-printers) \ |
088d3291 | 724 | $(test-srcs) $(tests-time64) $(xtests-time64)) |
1c68c264 RM |
725 | ifeq ($(build-programs),yes) |
726 | +depfiles += $(addsuffix .d,$(others) $(sysdep-others)) | |
727 | endif | |
728 | +depfiles := $(addprefix $(objpfx),\ | |
729 | $(filter-out $(addsuffix .d,$(omit-deps)),\ | |
9ae10332 | 730 | $(+depfiles))) |
d73f5331 RM |
731 | all-dt-files := $(foreach o,$(object-suffixes-for-libc),$(+depfiles:.d=$o.dt)) |
732 | +depfiles := $(patsubst %.dt,%.d,$(wildcard $(all-dt-files))) \ | |
733 | $(wildcard $(all-dt-files:.dt=.d)) | |
734 | ||
735 | # This is a funny rule in that it removes its input file. | |
736 | %.d: %.dt | |
737 | @sed $(sed-remove-objpfx) $< > $(@:.d=.T) && \ | |
738 | mv -f $(@:.d=.T) $@ && \ | |
739 | rm -f $< | |
9ae10332 RM |
740 | |
741 | # Avoid the .h.d files for any .sym files whose .h files don't exist yet. | |
742 | # They will be generated when they're needed, and trying too early won't work. | |
743 | +gen-as-const := $(gen-as-const-headers:%.sym=$(common-objpfx)%.h) | |
744 | +depfiles += $(addsuffix .d,$(filter $(wildcard $(+gen-as-const)),\ | |
745 | $(+gen-as-const))) | |
1c68c264 RM |
746 | |
747 | ifdef +depfiles | |
748 | ifneq ($(no_deps),t) | |
749 | -include $(+depfiles) | |
750 | endif | |
751 | endif | |
752 | \f\f | |
753 | # Maximize efficiency by minimizing the number of rules. | |
754 | .SUFFIXES: # Clear the suffix list. We don't use suffix rules. | |
755 | # Don't define any builtin rules. | |
2d7ed98a | 756 | MAKEFLAGS := $(MAKEFLAGS) -r |
1c68c264 RM |
757 | |
758 | # Generic rule for making directories. | |
759 | %/: | |
760 | # mkdir isn't smart enough to strip a trailing /. | |
5dfeae0e UD |
761 | # We always require a mkdir which supports the -p option to avoid error |
762 | # messages in case of races. | |
763 | mkdir -p $(@:%/=%) | |
1c68c264 RM |
764 | \f |
765 | # Make sure that object files are not removed | |
766 | # when they are intermediates between sources and library members. | |
767 | .PRECIOUS: $(addprefix $(objpfx)%,$(all-object-suffixes)) | |
768 | ||
769 | # Make sure that the parent library archive is never removed. | |
770 | .PRECIOUS: $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c)) | |
771 | \f | |
772 | # Use the verbose option of ar and tar when not running silently. | |
2d7ed98a | 773 | ifeq ($(silent-make),no) # if not -s |
1c68c264 RM |
774 | verbose := v |
775 | else # -s | |
776 | verbose := | |
777 | endif # not -s | |
778 | ||
779 | ARFLAGS := r$(verbose) | |
780 | CREATE_ARFLAGS := cru$(verbose) | |
781 | \f | |
782 | # This makes all the object files in the parent library archive. | |
783 | ||
784 | .PHONY: lib lib-noranlib | |
785 | lib: lib-noranlib $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c)) | |
786 | lib-noranlib: libobjs | |
787 | ||
788 | # For object-suffix $o, the list of objects with that suffix. | |
789 | # Makefiles can define `elide-routines.so = foo' to leave foo.so out. | |
790 | o-objects = $(patsubst %.o,%$o,$(filter-out $(patsubst %,$(objpfx)%.o,\ | |
791 | $(elide-routines$o)),\ | |
792 | $(objects))) \ | |
793 | $(addprefix $(objpfx),$(o-objects$o)) | |
794 | ||
795 | others: $(addprefix $(objpfx),$(install-lib)) | |
796 | ||
797 | ifndef objects | |
798 | ||
799 | # Create the stamp$o files to keep the parent makefile happy. | |
800 | subdir_lib: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o) | |
801 | $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o): | |
802 | $(make-target-directory) | |
803 | rm -f $@; > $@ | |
804 | else | |
805 | ||
806 | # Define explicit rules to update each $(objpfx)stamp.SUFFIX | |
807 | # timestamp file; these rules (one explicit rule is generated for each | |
808 | # object suffix) write a list of objects to update in the stamp file. | |
809 | # The parent will then actually add them all to the archive in the | |
810 | # archive rule, below. | |
811 | define o-iterator-doit | |
812 | $(objpfx)stamp$o: $(o-objects); $$(do-stamp) | |
813 | endef | |
814 | define do-stamp | |
d8f6e441 | 815 | $(make-target-directory) |
1c68c264 RM |
816 | echo '$(patsubst $(objpfx)%,$(addsuffix /,$(subdir))%,$^)' > $@T |
817 | mv -f $@T $@ | |
818 | endef | |
819 | object-suffixes-left := $(object-suffixes-for-libc) | |
820 | include $(o-iterator) | |
821 | ||
822 | endif | |
823 | ||
824 | # Now define explicit rules to build the library archives; these depend | |
825 | # on the stamp files built above. | |
826 | define o-iterator-doit | |
827 | $(common-objpfx)$(patsubst %,$(libtype$o),c): \ | |
828 | $(subdirs-stamp-o) $(common-objpfx)stamp$o; $$(do-makelib) | |
829 | endef | |
830 | define do-makelib | |
831 | cd $(common-objdir) && \ | |
832 | $(AR) $(CREATE_ARFLAGS) $(@F) `cat $(patsubst $(common-objpfx)%,%,$^)` | |
1c68c264 RM |
833 | endef |
834 | subdirs-stamps := $(foreach d,$(subdirs),$(common-objpfx)$d/stamp%) | |
835 | subdirs-stamp-o = $(subst %,$o,$(subdirs-stamps)) | |
836 | ifndef subdir | |
837 | $(subdirs-stamps): subdir_lib; | |
838 | endif | |
839 | object-suffixes-left = $(object-suffixes-for-libc) | |
840 | include $(o-iterator) | |
841 | ||
842 | ||
843 | # This makes all the object files. | |
844 | .PHONY: objects objs libobjs extra-objs | |
845 | objects objs: libobjs extra-objs | |
846 | libobjs: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o) | |
847 | extra-objs: $(addprefix $(objpfx),$(extra-objs)) | |
848 | ||
849 | # Canned sequence for building an extra library archive. | |
850 | define build-extra-lib | |
851 | $(patsubst %/,cd % &&,$(objpfx)) \ | |
852 | $(AR) $(CREATE_ARFLAGS) $(@:$(objpfx)%=%) \ | |
853 | $(patsubst $(objpfx)%,%,$^) | |
1c68c264 RM |
854 | endef |
855 | \f | |
856 | # Installation. | |
857 | ||
858 | .PHONY: force-install | |
859 | force-install: | |
860 | ||
861 | # $(install-lib) are installed from the object directory into $(libdir); | |
862 | # files in $(install-lib) matching `lib%.a' are ranlib'd after installation | |
80d4c3b0 RM |
863 | # unless they also appear in $(non-lib.a). $(install-data) are installed as |
864 | # they are into $(datadir). $(headers) are installed as they are in | |
1c68c264 RM |
865 | # $(includedir). $(install-bin), $(install-bin-script) and $(install-sbin) |
866 | # are installed from the object directory into $(bindir), $(bindir) and | |
80d4c3b0 RM |
867 | # $(sbindir), respectively. $(install-others) and $(install-others-programs) |
868 | # are absolute path names of files to install; rules to install them are | |
869 | # defined elsewhere. | |
1c68c264 RM |
870 | |
871 | # The simple library name to install libc.a under. | |
872 | # This could be defined by a sysdep Makefile. | |
873 | ifndef libc-name | |
874 | libc-name := c | |
875 | endif | |
876 | ||
877 | define do-install | |
878 | $(make-target-directory) | |
879 | $(INSTALL_DATA) $< $@ | |
880 | endef | |
881 | ||
882 | # Make the target directory if it doesn't exist, using the `mkinstalldirs' | |
883 | # script that does `mkdir -p' even if `mkdir' doesn't support that flag. | |
884 | define make-target-directory | |
885 | $(addprefix $(..)./scripts/mkinstalldirs ,\ | |
886 | $(filter-out $(wildcard $(@D:%/=%)),$(@D:%/=%))) | |
887 | endef | |
888 | ||
889 | # Any directory (parent or subdir) should install libc.a; this way | |
890 | # "make install" in a subdir is guaranteed to install everything it changes. | |
891 | installed-libcs := $(foreach o,$(filter-out .os,$(object-suffixes-for-libc)),\ | |
892 | $(inst_libdir)/$(patsubst %,$(libtype$o),\ | |
893 | $(libprefix)$(libc-name))) | |
a82a3db9 MS |
894 | |
895 | .PHONY: check-install-supported | |
896 | check-install-supported: | |
897 | ||
898 | # Check to see if the prefix or exec_prefix GNU standard variable | |
899 | # has been overridden on the command line and, if so, fail with | |
900 | # an error message since doing so is not supported (set DESTDIR | |
901 | # instead). | |
902 | ifeq ($(origin prefix),command line) | |
903 | check-install-supported: | |
904 | $(error Overriding prefix is not supported. Set DESTDIR instead.) | |
905 | endif | |
906 | ||
907 | ifeq ($(origin exec_prefix),command line) | |
908 | check-install-supported: | |
909 | $(error Overriding exec_prefix is not supported. Set DESTDIR instead.) | |
910 | endif | |
911 | ||
912 | install: check-install-supported | |
913 | ||
1c68c264 RM |
914 | install: $(installed-libcs) |
915 | $(installed-libcs): $(inst_libdir)/lib$(libprefix)%: lib $(+force) | |
916 | $(make-target-directory) | |
917 | $(INSTALL_DATA) $(common-objpfx)lib$(*:$(libc-name)%=c%) $@ | |
1c68c264 RM |
918 | |
919 | define do-install-program | |
920 | $(make-target-directory) | |
921 | $(INSTALL_PROGRAM) $< $@.new | |
922 | mv -f $@.new $@ | |
923 | endef | |
924 | ||
925 | define do-install-script | |
926 | $(make-target-directory) | |
927 | $(INSTALL_SCRIPT) $< $@.new | |
928 | mv -f $@.new $@ | |
929 | endef | |
930 | ||
931 | install-lib.so := $(filter %.so,$(install-lib:%_pic.a=%.so)) | |
932 | install-lib := $(filter-out %.so %_pic.a,$(install-lib)) | |
933 | ||
934 | ifeq (yes,$(build-shared)) | |
b89d5de2 | 935 | # Find which .so's have a version number in their soname. |
1c68c264 RM |
936 | versioned := $(strip $(foreach so,$(install-lib.so),\ |
937 | $(patsubst %,$(so),$($(so)-version)))) | |
938 | ||
939 | install-lib.so-versioned := $(filter $(versioned), $(install-lib.so)) | |
940 | install-lib.so-unversioned := $(filter-out $(versioned), $(install-lib.so)) | |
941 | ||
8208be38 | 942 | # For libraries whose soname have version numbers, we install two files: |
cc8bfce9 | 943 | # $(inst_libdir)/libfoo.so -- for linking, symlink or ld script |
8208be38 | 944 | # $(inst_slibdir)/libfoo.so.NN -- for loading by SONAME |
cc8bfce9 RM |
945 | install-lib-nosubdir: $(install-lib.so-unversioned:%=$(inst_slibdir)/%) \ |
946 | $(foreach L,$(install-lib.so-versioned),\ | |
947 | $(inst_libdir)/$L \ | |
cc8bfce9 | 948 | $(inst_slibdir)/$L$($L-version)) |
1c68c264 RM |
949 | |
950 | # Install all the unversioned shared libraries. | |
951 | $(install-lib.so-unversioned:%=$(inst_slibdir)/%): $(inst_slibdir)/%.so: \ | |
952 | $(objpfx)%.so $(+force) | |
953 | $(do-install-program) | |
954 | ||
955 | ifneq ($(findstring -s,$(LN_S)),) | |
956 | define make-link | |
957 | rm -f $@.new | |
958 | $(SHELL) $(..)scripts/rellns-sh $< $@.new | |
959 | mv -f $@.new $@ | |
960 | endef | |
abcb584d L |
961 | define make-link-multidir |
962 | $(patsubst %/,cd %,$(objpfx)); \ | |
00505532 | 963 | $(addprefix $(abspath $(..)scripts/mkinstalldirs) ,$(dir $(multidir))); \ |
abcb584d L |
964 | $(LN_S) . $(multidir) 2> /dev/null; \ |
965 | test -L $(multidir) | |
966 | endef | |
1c68c264 RM |
967 | else |
968 | # If we have no symbolic links don't bother with rellns-sh. | |
969 | define make-link | |
970 | rm -f $@.new | |
971 | $(LN_S) $< $@.new | |
972 | mv -f $@.new $@ | |
973 | endef | |
abcb584d L |
974 | define make-link-multidir |
975 | $(make-target-directory) | |
976 | ln -f $(objpfx)/$(@F) $@ | |
977 | endef | |
1c68c264 RM |
978 | endif |
979 | ||
1c68c264 | 980 | ifdef libc.so-version |
8208be38 | 981 | $(inst_slibdir)/libc.so$(libc.so-version): $(common-objpfx)libc.so $(+force) |
1c68c264 | 982 | $(do-install-program) |
8208be38 | 983 | |
1c68c264 RM |
984 | install: $(inst_slibdir)/libc.so$(libc.so-version) |
985 | ||
986 | # This fragment of linker script gives the OUTPUT_FORMAT statement | |
987 | # for the configuration we are building. We put this statement into | |
988 | # the linker scripts we install for -lc et al so that they will not be | |
989 | # used by a link for a different format on a multi-architecture system. | |
87d583c6 | 990 | $(common-objpfx)format.lds: $(common-objpfx)config.make \ |
1c68c264 | 991 | $(common-objpfx)config.h $(..)Makerules |
0400f928 FW |
992 | $(LINK.o) -shared -nostdlib -nostartfiles \ |
993 | -x assembler /dev/null -o $@.so | |
87d583c6 | 994 | $(OBJDUMP) -f $@.so | sed -n 's/.*file format \(.*\)/OUTPUT_FORMAT(\1)/;T;p' > $@ |
1c68c264 | 995 | rm -f $@.so |
1c68c264 RM |
996 | common-generated += format.lds |
997 | ||
998 | ifndef subdir | |
999 | # What we install as libc.so for programs to link against is in fact a | |
1000 | # link script. It contains references for the various libraries we need. | |
1001 | # The libc.so object is not complete since some functions are only defined | |
1002 | # in libc_nonshared.a. | |
1003 | # We need to use absolute paths since otherwise local copies (if they exist) | |
1004 | # of the files are taken by the linker. | |
1005 | install: $(inst_libdir)/libc.so | |
1006 | $(inst_libdir)/libc.so: $(common-objpfx)format.lds \ | |
1007 | $(common-objpfx)libc.so$(libc.so-version) \ | |
1008 | $(inst_libdir)/$(patsubst %,$(libtype.oS),\ | |
1009 | $(libprefix)$(libc-name)) \ | |
1010 | $(+force) | |
1011 | (echo '/* GNU ld script';\ | |
1012 | echo ' Use the shared library, but some functions are only in';\ | |
1013 | echo ' the static library, so try that secondarily. */';\ | |
1014 | cat $<; \ | |
1015 | echo 'GROUP ( $(slibdir)/libc.so$(libc.so-version)' \ | |
1016 | '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)$(libc-name))'\ | |
04eed2b0 | 1017 | ' AS_NEEDED (' $(rtlddir)/$(rtld-installed-name) ') )' \ |
1c68c264 RM |
1018 | ) > $@.new |
1019 | mv -f $@.new $@ | |
1020 | ||
1021 | endif | |
1022 | ||
1023 | else | |
1024 | install: $(inst_slibdir)/libc.so | |
1025 | $(inst_slibdir)/libc.so: $(common-objpfx)libc.so $(+force) | |
1026 | $(do-install-program) | |
1027 | endif | |
1028 | ||
1029 | ifneq (,$(versioned)) | |
1030 | # Produce three sets of rules as above for all the smaller versioned libraries. | |
1031 | ||
1032 | define o-iterator-doit | |
1033 | $(inst_libdir)/$o: $(inst_slibdir)/$o$($o-version) $(+force); $$(make-link) | |
1034 | endef | |
2afbfec4 RM |
1035 | object-suffixes-left := $(filter-out $(install-lib-ldscripts),$(versioned)) |
1036 | ifneq (,$(object-suffixes-left)) | |
1c68c264 | 1037 | include $(o-iterator) |
2afbfec4 | 1038 | endif |
1c68c264 RM |
1039 | |
1040 | # Make symlinks in the build directory, because the versioned names might | |
1041 | # be referenced by a DT_NEEDED in another library. | |
1042 | define o-iterator-doit | |
1043 | $(objpfx)$o$($o-version): $(objpfx)$o; $$(make-link) | |
1044 | endef | |
1045 | object-suffixes-left := $(versioned) | |
1046 | include $(o-iterator) | |
1047 | ||
1048 | generated += $(foreach o,$(versioned),$o$($o-version)) | |
1049 | ||
1c68c264 | 1050 | define o-iterator-doit |
8208be38 | 1051 | $(inst_slibdir)/$o$($o-version): $(objpfx)$o $(+force); |
1c68c264 RM |
1052 | $$(do-install-program) |
1053 | endef | |
1054 | object-suffixes-left := $(versioned) | |
1055 | include $(o-iterator) | |
b89d5de2 | 1056 | endif # ifneq (,$(versioned)) |
1c68c264 RM |
1057 | |
1058 | define do-install-so | |
1059 | $(do-install-program) | |
85ee9a0d RM |
1060 | $(patsubst %,$(LN_S) -f $(@F) \ |
1061 | $(@D)/$(patsubst %$*.so,%,$(<F))$(libprefix)$*.so,\ | |
1c68c264 RM |
1062 | $(filter-out %.so,$@)) |
1063 | endef | |
1064 | ||
1065 | so-versions := $(sort $(foreach so,$(install-lib.so),.so$($(so)-version))) | |
1066 | $(foreach v,$(so-versions),\ | |
1067 | $(inst_slibdir)/lib$(libprefix)%$v): $(common-objpfx)lib%.so \ | |
1068 | $(+force) | |
1069 | $(do-install-so) | |
1070 | $(foreach v,$(so-versions),\ | |
1071 | $(inst_slibdir)/$(libprefix)%$v): $(common-objpfx)%.so $(+force) | |
1072 | $(do-install-so) | |
1073 | endif | |
1074 | ||
1075 | ifdef install-bin | |
1076 | $(addprefix $(inst_bindir)/,$(install-bin)): \ | |
1077 | $(inst_bindir)/%: $(objpfx)% $(+force) | |
1078 | $(do-install-program) | |
1079 | endif | |
1080 | ifdef install-bin-script | |
1081 | $(addprefix $(inst_bindir)/,$(install-bin-script)): \ | |
1082 | $(inst_bindir)/%: $(objpfx)% $(+force) | |
1083 | $(do-install-script) | |
1084 | endif | |
1085 | ifdef install-rootsbin | |
1086 | $(addprefix $(inst_rootsbindir)/,$(install-rootsbin)): \ | |
1087 | $(inst_rootsbindir)/%: $(objpfx)% $(+force) | |
1088 | $(do-install-program) | |
1089 | endif | |
1090 | ifdef install-sbin | |
1091 | $(addprefix $(inst_sbindir)/,$(install-sbin)): \ | |
1092 | $(inst_sbindir)/%: $(objpfx)% $(+force) | |
1093 | $(do-install-program) | |
1094 | endif | |
1095 | ifdef install-lib | |
1096 | install-lib.a := $(filter lib%.a,$(install-lib)) | |
cbd8f930 | 1097 | install-lib.a := $(filter-out $(install-lib-ldscripts),$(install-lib.a)) |
1c68c264 RM |
1098 | install-lib-non.a := $(filter-out lib%.a,$(install-lib)) |
1099 | ifdef install-lib-non.a | |
1100 | $(addprefix $(inst_libdir)/$(libprefix),$(install-lib-non.a)): \ | |
1101 | $(inst_libdir)/$(libprefix)%: $(objpfx)% $(+force) | |
1102 | $(do-install) | |
1103 | endif | |
1104 | ifdef install-lib.a | |
1105 | $(install-lib.a:lib%.a=$(inst_libdir)/lib$(libprefix)%.a): \ | |
1106 | $(inst_libdir)/lib$(libprefix)%.a: $(objpfx)lib%.a $(+force) | |
1107 | $(do-install) | |
1c68c264 RM |
1108 | endif |
1109 | endif | |
1110 | ifdef install-data | |
1111 | $(addprefix $(inst_datadir)/,$(install-data)): $(inst_datadir)/%: % $(+force) | |
1112 | $(do-install) | |
1113 | endif | |
1114 | headers := $(strip $(headers)) | |
1115 | ifdef headers | |
f0cf0902 RM |
1116 | # This implicit rule installs headers from the source directory. |
1117 | # It may be ignored in preference to rules from sysd-rules to find | |
1118 | # headers in the sysdeps tree. | |
1119 | $(inst_includedir)/%.h: $(objpfx)%.h $(+force) | |
1c68c264 | 1120 | $(do-install) |
4962050e JM |
1121 | $(inst_includedir)/%.h: $(common-objpfx)%.h $(+force) |
1122 | $(do-install) | |
f0cf0902 RM |
1123 | $(inst_includedir)/%.h: %.h $(+force) |
1124 | $(do-install) | |
1125 | $(inst_includedir)/%.h: $(..)include/%.h $(+force) | |
1126 | $(do-install) | |
1127 | headers-nonh := $(filter-out %.h,$(headers)) | |
1128 | ifdef headers-nonh | |
1129 | $(addprefix $(inst_includedir)/,$(headers-nonh)): $(inst_includedir)/%: \ | |
1130 | % $(+force) | |
1131 | $(do-install) | |
1132 | endif # headers-nonh | |
1c68c264 RM |
1133 | endif # headers |
1134 | ||
1135 | .PHONY: install-bin-nosubdir install-bin-script-nosubdir \ | |
1136 | install-rootsbin-nosubdir install-sbin-nosubdir install-lib-nosubdir \ | |
1137 | install-data-nosubdir install-headers-nosubdir | |
1138 | install-bin-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin)) | |
1139 | install-bin-script-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin-script)) | |
1140 | install-rootsbin-nosubdir: \ | |
1141 | $(addprefix $(inst_rootsbindir)/,$(install-rootsbin)) | |
1142 | install-sbin-nosubdir: $(addprefix $(inst_sbindir)/,$(install-sbin)) | |
1143 | install-lib-nosubdir: $(addprefix $(inst_libdir)/,\ | |
1144 | $(patsubst lib%.a,lib$(libprefix)%.a,$(install-lib.a)) \ | |
1145 | $(addprefix $(libprefix),$(install-lib-non.a))) | |
1146 | install-data-nosubdir: $(addprefix $(inst_datadir)/,$(install-data)) | |
1147 | install-headers-nosubdir: $(addprefix $(inst_includedir)/,$(headers)) | |
1148 | install-others-nosubdir: $(install-others) | |
80d4c3b0 | 1149 | install-others-programs-nosubdir: $(install-others-programs) |
1c68c264 RM |
1150 | |
1151 | # We need all the `-nosubdir' targets so that `install' in the parent | |
1152 | # doesn't depend on several things which each iterate over the subdirs. | |
1153 | # This rule makes `install-FOO' always use `install-FOO-nosubdir' as a | |
1154 | # subroutine. Then in the parent `install-FOO' also causes subdir makes. | |
1155 | install-%:: install-%-nosubdir ; | |
1156 | ||
1157 | .PHONY: install install-no-libc.a-nosubdir | |
80d4c3b0 | 1158 | install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir \ |
1c68c264 | 1159 | install-lib-nosubdir install-others-nosubdir |
80d4c3b0 RM |
1160 | ifeq ($(build-programs),yes) |
1161 | install-no-libc.a-nosubdir: install-bin-nosubdir install-bin-script-nosubdir \ | |
1162 | install-rootsbin-nosubdir install-sbin-nosubdir \ | |
1163 | install-others-programs-nosubdir | |
1c68c264 RM |
1164 | endif |
1165 | install: install-no-libc.a-nosubdir | |
1166 | \f | |
c1820385 | 1167 | # Command to compile $< using the native libraries. |
1c68c264 RM |
1168 | define native-compile |
1169 | $(make-target-directory) | |
1c68c264 | 1170 | $(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \ |
2ed8cda2 | 1171 | $< $(OUTPUT_OPTION) $(BUILD_LDFLAGS) |
1c68c264 RM |
1172 | endef |
1173 | ||
1c68c264 | 1174 | # We always want to use configuration definitions. |
2ed8cda2 JM |
1175 | ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -D_GNU_SOURCE \ |
1176 | -DIS_IN_build -include $(common-objpfx)config.h | |
1c68c264 RM |
1177 | |
1178 | # Support the GNU standard name for this target. | |
1179 | .PHONY: check | |
1180 | check: tests | |
1181 | # Special target to run tests which cannot be run unconditionally. | |
1182 | # Maintainers should use this target. | |
1183 | .PHONY: xcheck | |
1184 | xcheck: xtests | |
1185 | ||
088d3291 AZ |
1186 | # Handle tests-time64 and xtests-time64 that should built with LFS |
1187 | # and 64-bit time support. | |
1188 | include $(o-iterator) | |
1189 | define o-iterator-doit | |
1190 | $(foreach f,$(tests-time64) $(xtests-time64),\ | |
1191 | $(objpfx)$(f)$(o)): CFLAGS += -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 | |
1192 | endef | |
1193 | object-suffixes-left := $(all-object-suffixes) | |
1194 | include $(o-iterator) | |
1195 | ||
1196 | ifeq ($(have-time64-compat),yes) | |
1197 | tests += $(foreach t,$(tests-time64),$(t)) | |
1198 | xtests += $(foreach t,$(xtests-time64),$(t)) | |
1199 | endif | |
1200 | ||
7c3018f9 ZW |
1201 | # The only difference between MODULE_NAME=testsuite and MODULE_NAME=nonlib is |
1202 | # that almost all internal declarations from config.h, libc-symbols.h, and | |
1203 | # include/*.h are not available to 'testsuite' code, but are to 'nonlib' code. | |
561b0bec DD |
1204 | all-testsuite := $(strip $(tests) $(xtests) $(test-srcs) $(test-extras) \ |
1205 | $(tests-container)) | |
7c3018f9 ZW |
1206 | ifneq (,$(all-testsuite)) |
1207 | cpp-srcs-left = $(all-testsuite) | |
1208 | lib := testsuite | |
1209 | include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) | |
1210 | endif | |
1211 | ||
a6d2f948 | 1212 | all-nonlib := $(strip $(others) $(others-extras)) |
1c68c264 | 1213 | ifneq (,$(all-nonlib)) |
9cd47470 | 1214 | cpp-srcs-left = $(all-nonlib) |
1c68c264 | 1215 | lib := nonlib |
2bfdaedd | 1216 | include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) |
1c68c264 RM |
1217 | endif |
1218 | ||
a6d2f948 AZ |
1219 | # All internal tests use testsuite-internal module since for 64 bit time |
1220 | # support is set as default for MODULE_NAME=nonlib (which include some | |
1221 | # installed programs). | |
1222 | all-testsuite-internal := $(strip $(tests-internal) $(test-internal-extras)) | |
1223 | ifneq (,$(all-testsuite-internal)) | |
1224 | cpp-srcs-left = $(all-testsuite-internal) | |
1225 | lib := testsuite-internal | |
1226 | include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) | |
1227 | endif | |
1c68c264 | 1228 | |
3f2e46a4 | 1229 | ifeq ($(build-shared),yes) |
1c68c264 RM |
1230 | # Generate normalized lists of symbols, versions, and data sizes. |
1231 | # This is handy for checking against existing library binaries. | |
1232 | ||
1233 | %.symlist: $(..)scripts/abilist.awk %.dynsym | |
1234 | LC_ALL=C $(AWK) -f $^ > $@T | |
1235 | mv -f $@T $@ | |
1236 | ||
1237 | %.dynsym: %.so | |
55f11534 | 1238 | LC_ALL=C $(OBJDUMP) --dynamic-syms $< > $@T |
1c68c264 RM |
1239 | mv -f $@T $@ |
1240 | ||
8dbd5d7b DM |
1241 | vpath %.abilist $(+sysdep_dirs) |
1242 | ||
a65ef2ae AJ |
1243 | # The .PRECIOUS rule prevents the files built by an implicit rule whose |
1244 | # target pattern is %.symlist from being considered "intermediate files" | |
1245 | # and automatically removed. We only want these files to be removed by | |
1246 | # 'make clean', which is handled by the 'generated' variable. | |
1247 | .PRECIOUS: %.symlist | |
1248 | generated += $(extra-libs:=.symlist) | |
1249 | ||
1b6dd3f1 JM |
1250 | $(objpfx)check-abi-%.out: $(common-objpfx)config.make %.abilist \ |
1251 | $(objpfx)%.symlist | |
f0881698 JM |
1252 | $(check-abi); \ |
1253 | $(evaluate-test) | |
1b6dd3f1 JM |
1254 | $(objpfx)check-abi-%.out: $(common-objpfx)config.make %.abilist \ |
1255 | $(common-objpfx)%.symlist | |
f0881698 JM |
1256 | $(check-abi); \ |
1257 | $(evaluate-test) | |
9ae10332 | 1258 | define check-abi |
1b6dd3f1 | 1259 | diff -p -U 0 $(filter %.abilist,$^) $(filter %.symlist,$^) > $@ |
9ae10332 | 1260 | endef |
1c68c264 | 1261 | |
8dbd5d7b | 1262 | update-abi-%: $(objpfx)%.symlist %.abilist |
9ae10332 | 1263 | $(update-abi) |
8dbd5d7b | 1264 | update-abi-%: $(common-objpfx)%.symlist %.abilist |
9ae10332 | 1265 | $(update-abi) |
9ae10332 | 1266 | define update-abi |
8dbd5d7b DM |
1267 | @if cmp -s $^ 2> /dev/null; \ |
1268 | then \ | |
1269 | echo '+++ $(filter %.abilist,$^) is unchanged'; \ | |
1270 | else cp -f $^; \ | |
1271 | echo '*** Now check $(filter %.abilist,$^) changes for correctness ***'; \ | |
9ae10332 RM |
1272 | fi |
1273 | endef | |
1c68c264 | 1274 | |
c2c082c1 AS |
1275 | # Patch all .abilist files for one DSO. The find command locates abilist |
1276 | # files for all architectures. The abilist files in /generic/ are | |
1277 | # filtered out because these are expected to remain empty. | |
c100dca3 FW |
1278 | define update-all-abi |
1279 | $(SHELL) $(..)scripts/update-abilist.sh $^ \ | |
c2c082c1 | 1280 | $$(find $(..)sysdeps -name '$*.abilist' \! -path '*/generic/*') |
c100dca3 | 1281 | endef |
c100dca3 FW |
1282 | update-all-abi-%: %.abilist $(objpfx)%.symlist |
1283 | $(update-all-abi) | |
1284 | update-all-abi-%: %.abilist $(common-objpfx)%.symlist | |
1285 | $(update-all-abi) | |
1286 | ||
1287 | .PHONY: update-abi update-all-abi check-abi | |
1c68c264 | 1288 | update-abi: $(patsubst %.so,update-abi-%,$(install-lib.so-versioned)) |
c100dca3 | 1289 | update-all-abi: $(patsubst %.so,update-all-abi-%,$(install-lib.so-versioned)) |
f214606a JM |
1290 | check-abi-list = $(patsubst %.so,$(objpfx)check-abi-%.out, \ |
1291 | $(install-lib.so-versioned)) | |
1292 | check-abi: $(check-abi-list) | |
1c68c264 RM |
1293 | ifdef subdir |
1294 | subdir_check-abi: check-abi | |
1295 | subdir_update-abi: update-abi | |
c100dca3 | 1296 | subdir_update-all-abi: update-all-abi |
1c68c264 RM |
1297 | else |
1298 | check-abi: subdir_check-abi | |
0813022c SP |
1299 | if grep -q '^FAIL:' $(objpfx)*/check-abi*.test-result; then \ |
1300 | cat $(objpfx)*/check-abi*.out && exit 1; fi | |
1c68c264 | 1301 | update-abi: subdir_update-abi |
c100dca3 | 1302 | update-all-abi: subdir_update-all-abi |
1c68c264 RM |
1303 | endif |
1304 | ||
1c68c264 | 1305 | ifeq ($(subdir),elf) |
1b6dd3f1 | 1306 | check-abi: $(objpfx)check-abi-libc.out |
f214606a | 1307 | tests-special += $(objpfx)check-abi-libc.out |
1c68c264 | 1308 | update-abi: update-abi-libc |
c100dca3 | 1309 | update-all-abi: update-all-abi-libc |
1c68c264 RM |
1310 | common-generated += libc.symlist |
1311 | endif | |
1312 | ||
fd54683c | 1313 | ifeq ($(build-shared),yes) |
94659495 | 1314 | ifdef subdir |
f214606a | 1315 | tests-special += $(check-abi-list) |
94659495 RM |
1316 | endif |
1317 | endif | |
1318 | ||
1c68c264 | 1319 | endif |
67c37987 | 1320 | \f |
1c68c264 RM |
1321 | FORCE: |
1322 | ||
1c68c264 RM |
1323 | .PHONY: echo-headers |
1324 | echo-headers: | |
1325 | @echo $(headers) | |
1326 | ||
220addf7 RM |
1327 | %.bz2: %; bzip2 -9vk $< |
1328 | %.gz: %; gzip -9vnc $< > $@.new && mv -f $@.new $@ | |
6cfe8609 | 1329 | %.xz: %; xz -9evk $< |
1c68c264 RM |
1330 | \f |
1331 | # Common cleaning targets. | |
1332 | ||
1333 | .PHONY: common-mostlyclean common-clean mostlyclean clean do-tests-clean | |
1334 | clean: common-clean | |
1335 | mostlyclean: common-mostlyclean | |
1336 | ||
1337 | do-tests-clean: | |
7c3018f9 ZW |
1338 | -rm -f $(addprefix $(objpfx),$(addsuffix .out,$(tests) \ |
1339 | $(tests-internal) \ | |
1340 | $(xtests) \ | |
591aeaf7 TD |
1341 | $(test-srcs)) \ |
1342 | $(addsuffix .test-result,$(tests) \ | |
7c3018f9 | 1343 | $(tests-internal) \ |
591aeaf7 TD |
1344 | $(xtests) \ |
1345 | $(test-srcs))) | |
1c68c264 RM |
1346 | |
1347 | # Remove the object files. | |
1348 | common-mostlyclean: | |
7c3018f9 ZW |
1349 | -rm -f $(addprefix $(objpfx),$(tests) $(tests-internal) $(xtests) \ |
1350 | $(test-srcs) \ | |
1c68c264 | 1351 | $(others) $(sysdep-others) stubs \ |
7c3018f9 ZW |
1352 | $(addsuffix .o,$(tests) \ |
1353 | $(tests-internal) \ | |
1354 | $(xtests) \ | |
1355 | $(test-srcs) \ | |
1356 | $(others) \ | |
1c68c264 | 1357 | $(sysdep-others)) \ |
7c3018f9 ZW |
1358 | $(addsuffix .out,$(tests) \ |
1359 | $(tests-internal) \ | |
1360 | $(xtests) \ | |
591aeaf7 TD |
1361 | $(test-srcs)) \ |
1362 | $(addsuffix .test-result,$(tests) \ | |
7c3018f9 | 1363 | $(tests-internal) \ |
591aeaf7 TD |
1364 | $(xtests) \ |
1365 | $(test-srcs))) | |
376e973a UD |
1366 | -rm -f $(addprefix $(objpfx),$(extra-objs) $(extra-test-objs) \ |
1367 | $(install-lib) $(install-lib.so) \ | |
1c68c264 RM |
1368 | $(install-lib.so:%.so=%_pic.a)) |
1369 | -rm -f core | |
1370 | -rm -f $(objpfx)rtld-*.os | |
1371 | $(rmobjs) | |
1372 | define rmobjs | |
1373 | $(foreach o,$(object-suffixes-for-libc), | |
1374 | -rm -f $(objpfx)stamp$o $(o-objects)) | |
1375 | endef | |
1376 | ||
1377 | # Also remove the dependencies and generated source files. | |
1378 | common-clean: common-mostlyclean | |
d73f5331 RM |
1379 | -rm -f $(addprefix $(objpfx),$(generated)) |
1380 | -rm -f $(objpfx)*.d $(objpfx)*.dt | |
1c68c264 RM |
1381 | -rm -fr $(addprefix $(objpfx),$(generated-dirs)) |
1382 | -rm -f $(addprefix $(common-objpfx),$(common-generated)) | |
e5a6e567 | 1383 | -rm -f $(gen-as-const-headers:%.sym=$(common-objpfx)%.h) |
1c68c264 RM |
1384 | \f |
1385 | # Produce a file `stubs' which contains `#define __stub_FUNCTION' | |
b830319d | 1386 | # for each function which is a stub. |
1c68c264 RM |
1387 | |
1388 | ifdef objpfx | |
1389 | .PHONY: stubs # The parent Makefile calls this target. | |
1390 | stubs: $(objpfx)stubs | |
1391 | endif | |
561bcb80 RM |
1392 | objs-for-stubs := $(foreach o,$(object-suffixes-for-libc),$(o-objects)) \ |
1393 | $(addprefix $(objpfx),$(extra-objs)) | |
1394 | $(objpfx)stubs: $(objs-for-stubs) | |
1395 | ifneq (,$(strip $(objs-for-stubs))) | |
ae46b677 | 1396 | (cd $(objpfx).; $(OBJDUMP) -h $(patsubst $(objpfx)%,%,$^)) | \ |
561bcb80 | 1397 | $(AWK) '/\.gnu\.glibc-stub\./ { \ |
92ad15a8 | 1398 | sub(/\.gnu\.glibc-stub\./, "", $$2); \ |
561bcb80 RM |
1399 | stubs[$$2] = 1; } \ |
1400 | END { for (s in stubs) print "#define __stub_" s }' > $@T | |
1c68c264 | 1401 | mv -f $@T $@ |
f291538f RM |
1402 | else |
1403 | > $@ | |
1404 | endif | |
1c68c264 | 1405 | \f |
1c68c264 RM |
1406 | ifneq (,$(strip $(gpl2lgpl))) |
1407 | ifneq (,$(wildcard $(..)gpl2lgpl.sed)) | |
1408 | # Snarf from the master source and frob the copying notice. | |
1409 | $(gpl2lgpl): %: $(..)gpl2lgpl.sed /home/gd/gnu/lib/% | |
1410 | sed -f $^ > $@-tmp | |
1411 | # So I don't edit them by mistake. | |
1412 | chmod a-w $@-tmp | |
1413 | mv -f $@-tmp $@ | |
1c68c264 RM |
1414 | endif |
1415 | endif | |
1416 | ||
1417 | # Local Variables: | |
1418 | # mode: makefile | |
1419 | # End: |