1 # Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Library General Public License as
6 # published by the Free Software Foundation; either version 2 of the
7 # License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Library General Public License for more details.
14 # You should have received a copy of the GNU Library General Public
15 # License along with the GNU C Library; see the file COPYING.LIB. If not,
16 # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 # Boston, MA 02111-1307, USA.
20 # Common rules for making the GNU C library. This file is included
21 # by the top-level Makefile and by all subdirectory makefiles
25 This makefile requires GNU Make.
28 REQUIRED_MAKE_VERSION = 3.74
29 REAL_MAKE_VERSION = $(firstword $(MAKE_VERSION))
31 ifneq ($(REQUIRED_MAKE_VERSION), \
32 $(firstword $(sort $(REAL_MAKE_VERSION) $(REQUIRED_MAKE_VERSION))))
33 Wrong GNU Make version. See above for the version needed.
41 # If `sources' was defined by the parent makefile, undefine it so
42 # we will later get it from wildcard search in this directory.
43 ifneq "$(findstring env,$(origin sources))" ""
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.
55 ifndef +included-Makeconfig
56 include $(..)Makeconfig
59 # `configure' writes a definition of `config-sysdirs' in `config.make'.
60 sysdirs = $(strip $(full-config-sysdirs))
62 +sysdir_pfx = $(common-objpfx)
64 export sysdirs := $(sysdirs)
66 +sysdep_dirs := $(full-config-sysdirs)
68 +sysdep_dirs := $(objdir) $(+sysdep_dirs)
71 # Add -I switches to get the right sysdep directories.
72 # `+includes' in Makeconfig references $(+sysdep-includes).
73 +sysdep-includes := $(addprefix -I,$(+sysdep_dirs))
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))
81 # Include any system-specific makefiles.
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.
86 vpath %.h $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \
87 $(+sysdep_dirs) $(..)))
89 # The same is true for RPC source files.
90 vpath %.x $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \
91 $(+sysdep_dirs) $(..)))
93 # Some sysdep makefiles use this to distinguish being included here from
94 # being included individually by a subdir makefile (hurd/Makefile needs this).
97 -include $(+sysdir_pfx)sysd-Makefile
98 ifndef avoid-generated
99 ifneq ($(sysd-Makefile-sysdirs),$(config-sysdirs))
100 sysd-Makefile-force = FORCE
103 $(+sysdir_pfx)sysd-Makefile: $(+sysdir_pfx)config.make $(..)Makerules \
104 $(sysd-Makefile-force)
106 (echo 'sysd-Makefile-sysdirs := $(config-sysdirs)'; \
107 for dir in $(config-sysdirs); do \
108 file=$$dir/Makefile; \
113 if [ -f $$rel$$file ]; then \
115 /*) echo include "$$file" ;; \
116 *) echo include "\$$(..)$$file" ;; \
120 echo 'sysd-Makefile-done=t') > $@T
124 ifndef sysd-Makefile-done
125 # Don't do deps until this exists, because it might change the sources list.
130 # Reorder before-compile so that mach things come first, and hurd things
131 # second, before all else. The mach and hurd subdirectories have many
132 # generated header files which the much of rest of the library depends on,
133 # so it is best to build them first (and mach before hurd, at that).
134 before-compile := $(filter $(common-objpfx)mach% $(common-objpfx)hurd%,\
136 $(filter-out $(common-objpfx)mach% $(common-objpfx)hurd%,\
139 # Remove existing files from `before-compile'. Things are added there when
140 # they must exist for dependency generation to work right, but once they
141 # exist there is no further need for every single file to depend on them,
142 # and those gratuitous dependencies result in many gratuitous
144 before-compile := $(filter-out $(wildcard $(before-compile)),$(before-compile))
146 # Don't let any before-compile file be an intermediate and get removed.
151 # Generate an ordered list of implicit rules which find the source files in
152 # each sysdep directory. The old method was to use vpath to search all the
153 # sysdep directories. However, that had the problem that a .S file in a
154 # later directory would be chosen over a .c file in an earlier directory,
155 # which does not preserve the desired sysdeps ordering behavior.
157 # When making the list of .d files to include, we can't know which ones
158 # have source in .s files, and thus do not in fact need a .d file.
159 # So we must define rules to make .d files for .s files.
160 define make-dummy-dep
161 $(addprefix ln $(common-objpfx)dummy.d ,$(filter-out $(wildcard $@),$@))
163 $(common-objpfx)dummy.d:
164 echo '# .s files cannot contain includes, so they need no deps.' > $@
166 # It matters that this set of rules, for compiling from sources in
167 # the current directory (the $srcdir/$subdir) come before the
168 # generated sysdep rules in included from sysd-rules below. When
169 # compiling in the source tree, generated sources go into the current
170 # directory, and those should be chosen before any sources in sysdeps.
171 define o-iterator-doit
172 $(objpfx)%$o: %.S $(before-compile); $$(compile-command.S)
174 object-suffixes-left := $(object-suffixes-for-libc)
175 include $(o-iterator)
176 $(objpfx)%.d: %.S $(before-compile); $(+make-deps)
178 define o-iterator-doit
179 $(objpfx)%$o: %.s $(before-compile); $$(compile-command.s)
181 object-suffixes-left := $(object-suffixes-for-libc)
182 include $(o-iterator)
183 $(objpfx)%.d: %.s $(common-objpfx)dummy.d; $(make-dummy-dep)
185 define o-iterator-doit
186 $(objpfx)%$o: %.c $(before-compile); $$(compile-command.c)
188 object-suffixes-left := $(object-suffixes-for-libc)
189 include $(o-iterator)
190 $(objpfx)%.d: %.c $(before-compile); $(+make-deps)
192 # Omit the objpfx rules when building in the source tree, because
193 # objpfx is empty and so these rules just override the ones above.
195 # Define first rules to find the source files in $(objpfx).
196 # Generated source files will end up there.
197 define o-iterator-doit
198 $(objpfx)%$o: $(objpfx)%.S $(before-compile); $$(compile-command.S)
200 object-suffixes-left := $(object-suffixes-for-libc)
201 include $(o-iterator)
202 $(objpfx)%.d: $(objpfx)%.S $(before-compile); $(+make-deps)
204 define o-iterator-doit
205 $(objpfx)%$o: $(objpfx)%.s $(before-compile); $$(compile-command.s)
207 object-suffixes-left := $(object-suffixes-for-libc)
208 include $(o-iterator)
209 $(objpfx)%.d: $(objpfx)%.s $(common-objpfx)dummy.d; $(make-dummy-dep)
211 define o-iterator-doit
212 $(objpfx)%$o: $(objpfx)%.c $(before-compile); $$(compile-command.c)
214 object-suffixes-left := $(object-suffixes-for-libc)
215 include $(o-iterator)
216 $(objpfx)%.d: $(objpfx)%.c $(before-compile); $(+make-deps)
219 # System-dependent makefiles can put in `inhibit-sysdep-asm' wildcard
220 # patterns matching sysdep directories whose assembly source files should
222 ifdef inhibit-sysdep-asm
223 define open-check-inhibit-asm
224 case $$sysdir in $(subst $(empty) ,|,$(inhibit-sysdep-asm))) : ;; *)
226 close-check-inhibit-asm = ;; esac ;
229 # Don't include sysd-rules until sysd-Makefile is already there and has been
230 # included. It might define inhibit-sysdep-asm, which would affect the
231 # contents of sysd-rules.
232 ifdef sysd-Makefile-done
233 -include $(+sysdir_pfx)sysd-rules
234 ifneq ($(sysd-rules-sysdirs),$(config-sysdirs))
235 # The value of $(+sysdep_dirs) the sysd-rules was computed for
236 # differs from the one we are using now. So force a rebuild of sysd-rules.
237 sysd-rules-force = FORCE
241 $(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \
242 $(wildcard $(foreach dir,$(sysdirs),\
246 (echo 'sysd-rules-sysdirs := $(config-sysdirs)'; \
247 for sysdir in $(config-sysdirs); do \
249 /*) dir=$$sysdir ;; \
250 *) dir="\$$(..)$$sysdir" ;; \
252 for o in $(all-object-suffixes); do \
253 $(open-check-inhibit-asm) \
254 echo "\$$(objpfx)%$$o: $$dir/%.S \$$(before-compile); \
255 \$$(compile-command.S)"; \
256 echo "\$$(objpfx)%$$o: $$dir/%.s \$$(before-compile); \
257 \$$(compile-command.s)"; \
258 $(close-check-inhibit-asm) \
259 echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \
260 \$$(compile-command.c)"; \
262 $(open-check-inhibit-asm) \
263 echo "\$$(objpfx)%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \
264 \$$(make-dummy-dep)"; \
265 echo "\$$(objpfx)%.d: $$dir/%.S \$$(before-compile); \
267 $(close-check-inhibit-asm) \
268 echo "\$$(objpfx)%.d: $$dir/%.c \$$(before-compile); \
271 echo 'sysd-rules-done = t') > $@T
274 ifndef sysd-rules-done
275 # Don't do deps until this exists, because it provides rules to make the deps.
279 # Generate version maps, but wait until sysdep-subdirs is known
281 ifeq ($(versioning),yes)
282 -include $(common-objpfx)sysd-versions
283 $(addprefix $(common-objpfx),$(version-maps)): $(common-objpfx)sysd-versions
284 common-generated += $(version-maps) sysd-versions
286 ifndef avoid-generated
287 ifneq ($(sysd-versions-subdirs),$(all-subdirs) $(config-sysdirs))
288 sysd-versions-force = FORCE
291 $(common-objpfx)sysd-versions: $(..)Versions.def $(..)scripts/versions.awk \
292 $(wildcard $(all-subdirs:%=$(..)%/Versions)) \
293 $(wildcard $(sysdirs:%=%/Versions)) \
294 $(sysd-versions-force)
295 { echo 'sysd-versions-subdirs = $(all-subdirs) $(config-sysdirs)' ; \
296 $(AWK) -v buildroot=$(common-objpfx) -v defsfile=$< \
297 -v move_if_change='$(move-if-change)' \
298 -f $(filter-out $< $(sysd-versions-force),$^); \
301 endif # avoid-generated
302 endif # $(versioning) = yes
303 endif # sysd-dirs-done
305 ifndef compile-command.S
306 compile-command.S = $(compile.S) $(OUTPUT_OPTION)
308 ifndef compile-command.s
309 compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION)
311 ifndef compile-command.c
312 compile-command.c = $(compile.c) $(OUTPUT_OPTION)
315 # GCC can grok options after the file name, and it looks nicer that way.
316 compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS)
318 $(CC) $< -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@))
320 $(CC) -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@))
321 COMPILE.s = $(filter-out -pipe,$(CC)) -c $(ASFLAGS)
323 # We need this for the output to go in the right place. It will default to
324 # empty if make was configured to work with a cc that can't grok -c and -o
325 # together. You can't compile the C library with such a compiler.
326 OUTPUT_OPTION = -o $@
328 S-CPPFLAGS = $(asm-CPPFLAGS)
330 $(make-target-directory)
332 $(+mkdep) $< $(CFLAGS) $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | \
334 -e 's,$(subst .,\.,$*)\.o,$(foreach o,$(all-object-suffixes),$(@:.d=$o)) $@,' \
335 $(sed-remove-objpfx) > $(@:.d=.T)
339 # Continuation lines here are dangerous because they introduce spaces!
340 define sed-remove-objpfx
341 -e 's@ $(subst .,\.,$(subst @,\@,$(common-objpfx)))@ $$(common-objpfx)@g' \
342 -e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g'
346 # Shared library building.
348 ifeq (yes,$(build-shared))
350 # Reference map file only when versioning is selected and a map file name
352 ifeq ($(versioning),yes)
353 map-file = $(firstword $(wildcard $($(@F:.so=-map)) \
354 $(common-objpfx)$(@F:.so=.map)))
355 load-map-file = $(map-file:%=-Wl,--version-script=%)
358 # Pattern rule to build a shared object from an archive of PIC objects.
359 # This must come after the installation rules so Make doesn't try to
360 # build shared libraries in place from the installed *_pic.a files.
361 # $(LDLIBS-%.so) may contain -l switches to generate run-time dependencies
362 # on other shared objects.
363 lib%.so: lib%_pic.a $(+preinit) $(+postinit) $(+interp)
367 $(LINK.o) -shared -o $@ $(sysdep-LDFLAGS) $(config-LDFLAGS) \
368 -B$(csu-objpfx) $(load-map-file) \
369 -Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \
370 $(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \
371 -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) \
372 -Wl,--whole-archive \
373 $(filter-out $(map-file) $(common-objpfx)$(@F:.so=.map) \
374 $(+preinit) $(+postinit),$^) \
375 $(no-whole-archive) $(LDLIBS-$(@F:lib%.so=%).so)
378 ifndef libc.so-version
379 # Undefine this because it can't work when we libc.so is unversioned.
380 static-only-routines =
383 elide-routines.oS += $(filter-out $(static-only-routines),\
384 $(routines) $(aux) $(sysdep_routines))
385 elide-routines.os += $(static-only-routines)
387 # If we have versioned code we don't need the old versions in any of the
389 elide-routines.o += $(shared-only-routines)
390 elide-routines.op += $(shared-only-routines)
391 elide-routines.og += $(shared-only-routines)
392 elide-routines.ob += $(shared-only-routines)
394 # Don't try to use -lc when making libc.so itself.
395 # Also omits crti.o and crtn.o, which we do not want
396 # since we define our own `.init' section specially.
397 LDFLAGS-c.so = -nostdlib -nostartfiles
398 # But we still want to link libc.so against $(gnulib).
399 LDLIBS-c.so = $(gnulib)
400 # Give libc.so an entry point and make it directly runnable itself.
401 LDFLAGS-c.so += -e __libc_main
402 # Pre-link the objects of libc_pic.a so that we can locally resolve
403 # COMMON symbols before we link against ld.so. This is because ld.so
404 # contains some of libc_pic.a already, which will prevent the COMMONs
405 # from being allocated in libc.so, which introduces evil dependencies
406 # between libc.so and ld.so, which can make it impossible to upgrade.
407 $(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a
408 $(LINK.o) -nostdlib -nostartfiles -r -o $@ \
409 -Wl,-d -Wl,--whole-archive $^
410 # Use our own special initializer and finalizer files for libc.so.
411 $(common-objpfx)libc.so: $(elfobjdir)/soinit.os \
412 $(common-objpfx)libc_pic.os \
413 $(elfobjdir)/sofini.os \
414 $(elfobjdir)/interp.os $(elfobjdir)/ld.so \
415 $(common-objpfx)libc.map
417 common-generated += libc.so libc_pic.os
418 ifdef libc.so-version
419 $(common-objpfx)libc.so$(libc.so-version): $(common-objpfx)libc.so
421 common-generated += libc.so$(libc.so-version)
425 # Figure out the source filenames in this directory.
427 override sources := $(addsuffix .c,$(filter-out $(elided-routines),\
430 sysdep_routines := $(sysdep_routines)
432 headers := $(headers) $(sysdep_headers)
434 # This is the list of all object files, gotten by
435 # replacing every ".c" in `sources' with a ".o".
436 override objects := $(addprefix $(objpfx),$(sources:.c=.o))
439 # The makefile may define $(extra-libs) with `libfoo libbar'
440 # to build libfoo.a et al from the modules listed in $(libfoo-routines).
442 # extra-lib.mk is included once for each extra lib to define rules
443 # to build it, and to add its objects to the various variables.
444 # During its evaluation, $(lib) is set to the name of the library.
445 extra-libs-left := $(extra-libs)
446 include $(patsubst %,$(..)extra-lib.mk,$(extra-libs))
449 +depfiles := $(sources:.c=.d) \
450 $(patsubst %.o,%.d,$(filter %.o,$(extra-objs:.os=.o))) \
451 $(addsuffix .d,$(tests) $(test-srcs) $(tests-static))
452 ifeq ($(build-programs),yes)
453 +depfiles += $(addsuffix .d,$(others) $(sysdep-others))
455 +depfiles := $(addprefix $(objpfx),\
456 $(filter-out $(addsuffix .d,$(omit-deps)),\
461 -include $(+depfiles)
465 # Maximize efficiency by minimizing the number of rules.
466 .SUFFIXES: # Clear the suffix list. We don't use suffix rules.
467 # Don't define any builtin rules.
468 MAKEFLAGS := $(MAKEFLAGS)r
470 # Generic rule for making directories.
472 # mkdir isn't smart enough to strip a trailing /.
475 # Make sure that object files are not removed
476 # when they are intermediates between sources and library members.
477 .PRECIOUS: $(addprefix $(objpfx)%,$(all-object-suffixes))
479 # Make sure that the parent library archive is never removed.
480 .PRECIOUS: $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
482 # Use the verbose option of ar and tar when not running silently.
483 ifeq "$(findstring s,$(MAKEFLAGS))" "" # if not -s
489 ARFLAGS := r$(verbose)
490 CREATE_ARFLAGS := cru$(verbose)
492 # This makes all the object files in the parent library archive.
494 .PHONY: lib lib-noranlib
495 lib: lib-noranlib $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
496 lib-noranlib: libobjs
498 # For object-suffix $o, the list of objects with that suffix.
499 # Makefiles can define `elide-routines.so = foo' to leave foo.so out.
500 o-objects = $(patsubst %.o,%$o,$(filter-out $(patsubst %,$(objpfx)%.o,\
501 $(elide-routines$o)),\
503 others: $(addprefix $(objpfx),$(install-lib))
507 # Create the stamp$o files to keep the parent makefile happy.
508 subdir_lib: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o)
509 $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o):
510 $(make-target-directory)
514 # Define explicit rules to update each $(objpfx)stamp.SUFFIX
515 # timestamp file; these rules (one explicit rule is generated for each
516 # object suffix) write a list of objects to update in the stamp file.
517 # The parent will then actually add them all to the archive in the
518 # archive rule, below.
519 define o-iterator-doit
520 $(objpfx)stamp$o: $(o-objects); $$(do-stamp)
523 echo '$(patsubst $(objpfx)%,$(addsuffix /,$(subdir))%,$^)' > $@T
526 object-suffixes-left := $(object-suffixes-for-libc)
527 include $(o-iterator)
531 # Now define explicit rules to build the library archives; these depend
532 # on the stamp files built above.
533 define o-iterator-doit
534 $(common-objpfx)$(patsubst %,$(libtype$o),c): \
535 $(subdirs-stamp-o) $(common-objpfx)stamp$o; $$(do-makelib)
538 cd $(common-objdir) && \
539 $(AR) $(CREATE_ARFLAGS) $(@F) `cat $(patsubst $(common-objpfx)%,%,$^)`
542 subdirs-stamps := $(foreach d,$(subdirs),$(common-objpfx)$d/stamp%)
543 subdirs-stamp-o = $(subst %,$o,$(subdirs-stamps))
545 $(subdirs-stamps): subdir_lib;
547 object-suffixes-left = $(object-suffixes-for-libc)
548 include $(o-iterator)
551 # This makes all the object files.
552 .PHONY: objects objs libobjs extra-objs
553 objects objs: libobjs extra-objs
554 libobjs: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o)
555 extra-objs: $(addprefix $(objpfx),$(extra-objs))
557 # Canned sequence for building an extra library archive.
558 define build-extra-lib
559 $(patsubst %/,cd % &&,$(objpfx)) \
560 $(AR) $(CREATE_ARFLAGS) $(@:$(objpfx)%=%) \
561 $(patsubst $(objpfx)%,%,$^)
567 .PHONY: force-install
570 # $(install-lib) are installed from the object directory into $(libdir);
571 # files in $(install-lib) matching `lib%.a' are ranlib'd after installation
572 # unless they also appear in $(non-lib.a). $(install-data) are installed
573 # as they are into $(datadir). $(headers) are installed as they are in
574 # $(includedir). $(install-bin) and $(install-sbin) are installed from the
575 # object directory into $(bindir) and $(sbindir), respectively.
576 # $(install-others) are absolute path names of files to install; rules to
577 # install them are defined elsewhere.
579 # The simple library name to install libc.a under.
580 # This could be defined by a sysdep Makefile.
586 $(make-target-directory)
587 $(INSTALL_DATA) $< $@
590 # Make the target directory if it doesn't exist, using the `mkinstalldirs'
591 # script that does `mkdir -p' even if `mkdir' doesn't support that flag.
592 define make-target-directory
593 $(addprefix $(..)./scripts/mkinstalldirs ,\
594 $(filter-out $(wildcard $(@D:%/=%)),$(@D:%/=%)))
597 # Any directory (parent or subdir) should install libc.a; this way
598 # "make install" in a subdir is guaranteed to install everything it changes.
599 installed-libcs := $(foreach o,$(filter-out .os,$(object-suffixes-for-libc)),\
600 $(inst_libdir)/$(patsubst %,$(libtype$o),\
601 $(libprefix)$(libc-name)))
602 install: $(installed-libcs)
603 $(installed-libcs): $(inst_libdir)/lib$(libprefix)%: lib $(+force)
604 $(make-target-directory)
605 $(INSTALL_DATA) $(common-objpfx)lib$(*:$(libc-name)%=c%) $@
606 # Running ranlib after installing makes the __.SYMDEF time stamp up to
607 # date, which avoids messages from some linkers.
610 define do-install-program
611 $(make-target-directory)
612 $(INSTALL_PROGRAM) $< $@.new
616 install-lib.so := $(filter %.so,$(install-lib:%_pic.a=%.so))
617 install-lib := $(filter-out %.so %_pic.a,$(install-lib))
618 ifeq (yes,$(build-shared))
620 install-lib-nosubdir: $(install-lib.so:%=$(inst_libdir)/%)
622 # Find which .so's have versions.
623 versioned := $(strip $(foreach so,$(install-lib.so),\
624 $(patsubst %,$(so),$($(so)-version))))
626 # Install all the unversioned shared libraries.
627 $(addprefix $(inst_slibdir)/, $(filter-out $(versioned),$(install-lib.so))): \
628 $(inst_slibdir)/%.so: $(objpfx)%.so $(+force); $(do-install-program)
630 ifneq ($(findstring -s,$(LN_S)),)
633 $(SHELL) $(..)scripts/rellns-sh $< $@.new
637 # If we have no symbolic links don't bother with rellns-sh.
645 # XXX The following will have to be changed when `ldconfig' is available.
646 ifneq (yes,$(cross-compiling))
647 ifeq (yes,$(has-ldconfig))
648 define make-shlib-link
653 ifndef make-shlib-link
654 define make-shlib-link
659 ifdef libc.so-version
660 # For a library specified to be version N, install three files:
661 # libc.so -> libc.so.N (e.g. libc.so.6)
662 # libc.so.6 -> libc-VERSION.so (e.g. libc-1.10.so)
664 $(inst_slibdir)/libc.so$(libc.so-version): $(inst_slibdir)/libc-$(version).so \
667 $(inst_slibdir)/libc-$(version).so: $(common-objpfx)libc.so $(+force)
668 $(do-install-program)
669 install: $(inst_slibdir)/libc.so$(libc.so-version)
672 # What we install as libc.so for programs to link against is in fact a
673 # link script. It contains references for the various libraries we need.
674 # The libc.so object is not complete since some functions are only defined
675 # in libc_nonshared.a.
676 install: $(inst_libdir)/libc.so
677 $(inst_libdir)/libc.so: $(common-objpfx)libc.so$(libc.so-version) \
678 $(inst_libdir)/$(patsubst %,$(libtype.oS),\
679 $(libprefix)$(libc-name)) \
681 (echo '/* GNU ld script';\
682 echo ' Use the shared library, but some functions are only in';\
683 echo ' the static library, so try that secondarily. */';\
684 echo 'GROUP ( $(slibdir)/libc.so$(libc.so-version)' \
685 '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)$(libc-name))'\
693 install: $(inst_slibdir)/libc.so
694 $(inst_slibdir)/libc.so: $(common-objpfx)libc.so $(+force)
695 $(do-install-program)
698 ifneq (,$(versioned))
699 # Produce three sets of rules as above for all the smaller versioned libraries.
701 define o-iterator-doit
702 $(inst_libdir)/$o: $(inst_slibdir)/$o$($o-version) $(+force); $$(make-link)
704 object-suffixes-left := $(versioned)
705 include $(o-iterator)
707 # Make symlinks in the build directory, because the versioned names might
708 # be referenced by a DT_NEEDED in another library.
709 define o-iterator-doit
710 $(objpfx)$o$($o-version): $(objpfx)$o; $$(make-link)
712 object-suffixes-left := $(versioned)
713 include $(o-iterator)
715 generated += $(foreach o,$(versioned),$o$($o-version))
717 ifeq (,$($(subdir)-version))
718 define o-iterator-doit
719 $(inst_slibdir)/$o$($o-version): $(inst_slibdir)/$(o:.so=)-$(version).so \
723 object-suffixes-left := $(versioned)
724 include $(o-iterator)
726 define o-iterator-doit
727 $(inst_slibdir)/$(o:.so=)-$(version).so: $(objpfx)$o $(+force);
728 $$(do-install-program)
730 object-suffixes-left := $(versioned)
731 include $(o-iterator)
733 define o-iterator-doit
734 $(inst_slibdir)/$o$($o-version): \
735 $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so $(+force);
738 object-suffixes-left := $(versioned)
739 include $(o-iterator)
741 define o-iterator-doit
742 $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so: $(objpfx)$o $(+force);
743 $$(do-install-program)
745 object-suffixes-left := $(versioned)
746 include $(o-iterator)
751 $(do-install-program)
752 $(patsubst %,ln -s -f $(@F) $(@D)/$(patsubst %$*.so,%,$(<F))$(libprefix)$*.so,\
753 $(filter-out %.so,$@))
756 so-versions := $(sort $(foreach so,$(install-lib.so),.so$($(so)-version)))
757 $(foreach v,$(so-versions),\
758 $(inst_slibdir)/lib$(libprefix)%$v): $(common-objpfx)lib%.so \
761 $(foreach v,$(so-versions),\
762 $(inst_slibdir)/$(libprefix)%$v): $(common-objpfx)%.so $(+force)
767 $(addprefix $(inst_bindir)/,$(install-bin)): \
768 $(inst_bindir)/%: $(objpfx)% $(+force)
769 $(do-install-program)
771 ifdef install-rootsbin
772 $(addprefix $(inst_rootsbindir)/,$(install-rootsbin)): \
773 $(inst_rootsbindir)/%: $(objpfx)% $(+force)
774 $(do-install-program)
777 $(addprefix $(inst_sbindir)/,$(install-sbin)): \
778 $(inst_sbindir)/%: $(objpfx)% $(+force)
779 $(do-install-program)
782 install-lib.a := $(filter lib%.a,$(install-lib))
783 install-lib-non.a := $(filter-out lib%.a,$(install-lib))
784 ifdef install-lib-non.a
785 $(addprefix $(inst_libdir)/$(libprefix),$(install-lib-non.a)): \
786 $(inst_libdir)/$(libprefix)%: $(objpfx)% $(+force)
790 $(install-lib.a:lib%.a=$(inst_libdir)/lib$(libprefix)%.a): \
791 $(inst_libdir)/lib$(libprefix)%.a: $(objpfx)lib%.a $(+force)
793 $(patsubst %,$(RANLIB) $@,$(filter-out $(non-lib.a),$(<F)))
797 $(addprefix $(inst_datadir)/,$(install-data)): $(inst_datadir)/%: % $(+force)
800 headers := $(strip $(headers))
802 $(addprefix $(inst_includedir)/,$(headers)): $(inst_includedir)/%: % $(+force)
806 .PHONY: install-bin-nosubdir install-rootsbin-nosubdir install-sbin-nosubdir \
807 install-lib-nosubdir install-data-nosubdir install-headers-nosubdir
808 install-bin-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin))
809 install-rootsbin-nosubdir: \
810 $(addprefix $(inst_rootsbindir)/,$(install-rootsbin))
811 install-sbin-nosubdir: $(addprefix $(inst_sbindir)/,$(install-sbin))
812 install-lib-nosubdir: $(addprefix $(inst_libdir)/,\
813 $(patsubst lib%.a,lib$(libprefix)%.a,$(install-lib.a)) \
814 $(addprefix $(libprefix),$(install-lib-non.a)))
815 install-data-nosubdir: $(addprefix $(inst_datadir)/,$(install-data))
816 install-headers-nosubdir: $(addprefix $(inst_includedir)/,$(headers))
817 install-others-nosubdir: $(install-others)
819 # We need all the `-nosubdir' targets so that `install' in the parent
820 # doesn't depend on several things which each iterate over the subdirs.
821 # This rule makes `install-FOO' always use `install-FOO-nosubdir' as a
822 # subroutine. Then in the parent `install-FOO' also causes subdir makes.
823 install-%:: install-%-nosubdir ;
825 .PHONY: install install-no-libc.a-nosubdir
826 ifeq ($(build-programs),yes)
827 install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\
828 install-bin-nosubdir install-lib-nosubdir \
829 install-others-nosubdir install-rootsbin-nosubdir \
830 install-sbin-nosubdir
832 install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\
833 install-lib-nosubdir install-others-nosubdir
835 install: install-no-libc.a-nosubdir
837 # Command to compile $< in $(objdir) using the native libraries.
838 define native-compile
839 $(make-target-directory)
840 $(patsubst %/,cd % &&,$(objpfx)) \
841 $(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \
842 $(firstword $(filter /%,$< $(shell pwd)/$<)) -o $(@F)
845 # Command to compile $< in $(common-objdir) using the native libraries.
846 # We must cd to $(objdir) anyway so that $(..)config.h is valid.
847 define common-objdir-compile
848 $(patsubst %/,cd % &&,$(objpfx)) \
849 $(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \
850 $(firstword $(filter /%,$< $(shell pwd)/$<)) -o $(..)$(@F)
853 # We always want to use configuration definitions.
854 # Note that this is only used for commands running in $(objpfx).
855 ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) -include $(..)config.h
857 # Support the GNU standard name for this target.
862 TAGS: $(objpfx)distinfo $(..)MakeTAGS
863 $(MAKE) $(addprefix -f ,$^) $@
865 $(..)po/%.pot: $(objpfx)distinfo $(..)MakeTAGS FORCE
866 $(MAKE) $(addprefix -f ,$(filter-out FORCE,$^)) $@
875 # Common cleaning targets.
877 .PHONY: common-mostlyclean common-clean mostlyclean clean
879 mostlyclean: common-mostlyclean
881 # Remove the object files.
883 -rm -f $(addprefix $(objpfx),$(tests) $(test-srcs) $(others) \
884 $(sysdep-others) $(tests-static) stubs \
885 $(addsuffix .o,$(tests) $(test-srcs) \
889 $(addsuffix .out,$(tests) $(test-srcs)) \
890 $(addsuffix .sout,$(tests-static)))
891 -rm -f $(addprefix $(objpfx),$(extra-objs) $(install-lib) \
893 $(install-lib.so:%.so=%_pic.a))
897 $(foreach o,$(object-suffixes-for-libc),
898 -rm -f $(objpfx)stamp$o $(o-objects))
901 # Also remove the dependencies and generated source files.
902 common-clean: common-mostlyclean
903 -rm -f $(addprefix $(objpfx),$(generated)) $(+depfiles)
904 -rm -fr $(addprefix $(objpfx),$(generated-dirs))
905 -rm -f $(addprefix $(common-objpfx),$(common-generated))
906 -rm -f $(objpfx)distinfo
908 # Produce a file `stubs' which contains `#define __stub_FUNCTION'
909 # for each function which is a stub. We grovel over all the .d files
910 # looking for references to <stub-tag.h>. Then we grovel over each
911 # referenced source file to see what stub function it defines.
914 .PHONY: stubs # The parent Makefile calls this target.
915 stubs: $(objpfx)stubs
917 s = $(sysdep_dir)/generic
918 $(objpfx)stubs: $(+depfiles)
919 # Use /dev/null since `...` might expand to empty.
920 (s=`cd $s && /bin/pwd`; \
921 $(patsubst %/,cd % &&,$(objpfx)) \
922 sed -n 's/^stub_warning *(\([^)]*\).*$$/#define __stub_\1/p' \
923 `sed -n -e '\@ $s/[^ ]*\.c@{; s@^.* $s/\([^ ]*\.c\).*$$@'"$$s"'/\1@; h; }' \
924 -e '/stub-tag\.h/{; g; p; }' \
925 $(patsubst $(objpfx)%,%,$^) /dev/null` \
929 # Make the distribution tar file.
932 dist: $(objpfx)distinfo $(..)Make-dist
933 $(MAKE) -f $< -f $(word 2,$^) $(Make-dist-args)
935 # Avoid depending on source files found in sysdeps dirs,
936 # because the references affect implicit rule selection.
937 dist: $(filter-out %.c %.S %.s,$(distribute))
939 # We used to simply export all these variables, but that frequently made the
940 # environment get too large. Instead, we write all the information into
941 # a generated makefile fragment `distinfo', and then include it with -f in
942 # the sub-make that makes the distribution (above).
943 $(objpfx)distinfo: Makefile $(..)Makerules \
944 $(wildcard $(foreach dir,$(sysdirs),$(dir)/Makefile))
945 $(make-target-directory)
948 .PHONY: subdir_distinfo
949 subdir_distinfo: $(objpfx)distinfo
953 echo > $@.new 'subdir := $(subdir)'
954 $(foreach var,subdir-dirs sources elided-routines sysdep_routines \
955 headers sysdep_headers distribute dont_distribute generated \
956 others tests test-srcs extra-libs $(extra-libs:%=%-routines) \
957 tests-static $(extra-libs:%=%-map) versioned \
958 $(addprefix install-,lib lib.so data bin sbin others),
959 echo >> $@.new '$(subdir)-$(var) := $($(var))'
960 echo >> $@.new '$(var) = $$($(subdir)-$(var))')
963 ifneq (,$(strip $(gpl2lgpl)))
964 ifneq (,$(wildcard $(..)gpl2lgpl.sed))
965 # Snarf from the master source and frob the copying notice.
966 $(gpl2lgpl): %: $(..)gpl2lgpl.sed /home/gd/gnu/lib/%
968 # So I don't edit them by mistake.
971 ifeq ($(with-cvs),yes)
972 test ! -d CVS || cvs $(CVSOPTS) commit -m'Updated from $^' $@