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 # The name of the symbol table archive member. The default is suitable for
76 # BSD style archives. It can be overridden in sysdep Makefiles when SYSV
77 # style archive are used.
79 ar-symtab-name = __.SYMDEF
81 ar-symtab-name = # The null name is used in ELF archives.
84 # Include any system-specific makefiles.
86 # This is here so things in sysdep Makefiles can easily depend on foo.h as
87 # appropriate and not worry about where foo.h comes from, which may be
88 # system dependent and not known by that Makefile.
89 vpath %.h $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \
90 $(+sysdep_dirs) $(..)))
92 # Some sysdep makefiles use this to distinguish being included here from
93 # being included individually by a subdir makefile (hurd/Makefile needs this).
96 ifndef avoid-generated
97 -include $(+sysdir_pfx)sysd-Makefile
98 ifneq ($(sysd-Makefile-sysdirs),$(config-sysdirs))
99 sysd-Makefile-force = FORCE
102 $(+sysdir_pfx)sysd-Makefile: $(+sysdir_pfx)config.make $(..)Makerules \
103 $(sysd-Makefile-force)
105 (echo 'sysd-Makefile-sysdirs := $(config-sysdirs)'; \
106 for dir in $(config-sysdirs); do \
107 file=$$dir/Makefile; \
112 if [ -f $$rel$$file ]; then \
114 /*) echo include "$$file" ;; \
115 *) echo include "\$$(..)$$file" ;; \
119 echo 'sysd-Makefile-done=t') > $@T
123 ifndef sysd-Makefile-done
124 # Don't do deps until this exists, because it might change the sources list.
129 # Reorder before-compile so that mach things come first, and hurd things
130 # second, before all else. The mach and hurd subdirectories have many
131 # generated header files which the much of rest of the library depends on,
132 # so it is best to build them first (and mach before hurd, at that).
133 before-compile := $(filter $(common-objpfx)mach% $(common-objpfx)hurd%,\
135 $(filter-out $(common-objpfx)mach% $(common-objpfx)hurd%,\
138 # Remove existing files from `before-compile'. Things are added there when
139 # they must exist for dependency generation to work right, but once they
140 # exist there is no further need for every single file to depend on them,
141 # and those gratuitous dependencies result in many gratuitous
143 before-compile := $(filter-out $(wildcard $(before-compile)),$(before-compile))
145 # Don't let any before-compile file be an intermediate and get removed.
150 # Generate an ordered list of implicit rules which find the source files in
151 # each sysdep directory. The old method was to use vpath to search all the
152 # sysdep directories. However, that had the problem that a .S file in a
153 # later directory would be chosen over a .c file in an earlier directory,
154 # which does not preserve the desired sysdeps ordering behavior.
156 # When making the list of .d files to include, we can't know which ones
157 # have source in .s files, and thus do not in fact need a .d file.
158 # So we must define rules to make .d files for .s files.
159 define make-dummy-dep
160 $(addprefix ln $(common-objpfx)dummy.d ,$(filter-out $(wildcard $@),$@))
162 $(common-objpfx)dummy.d:
163 echo '# .s files cannot contain includes, so they need no deps.' > $@
165 # It matters that this set of rules, for compiling from sources in
166 # the current directory (the $srcdir/$subdir) come before the
167 # generated sysdep rules in included from sysd-rules below. When
168 # compiling in the source tree, generated sources go into the current
169 # directory, and those should be chosen before any sources in sysdeps.
170 $(objpfx)%.o: %.S $(before-compile); $(compile-command.S)
171 $(objpfx)%.so: %.S $(before-compile); $(compile-command.S)
172 $(objpfx)%.po: %.S $(before-compile); $(compile-command.S)
173 $(objpfx)%.go: %.S $(before-compile); $(compile-command.S)
174 $(objpfx)%.d: %.S $(before-compile); $(+make-deps)
175 $(objpfx)%.o: %.s $(before-compile); $(compile-command.s)
176 $(objpfx)%.so: %.s $(before-compile); $(compile-command.s)
177 $(objpfx)%.po: %.s $(before-compile); $(compile-command.s)
178 $(objpfx)%.go: %.s $(before-compile); $(compile-command.s)
179 $(objpfx)%.d: %.s $(common-objpfx)dummy.d; $(make-dummy-dep)
180 $(objpfx)%.o: %.c $(before-compile); $(compile-command.c)
181 $(objpfx)%.so: %.c $(before-compile); $(compile-command.c)
182 $(objpfx)%.po: %.c $(before-compile); $(compile-command.c)
183 $(objpfx)%.go: %.c $(before-compile); $(compile-command.c)
184 $(objpfx)%.d: %.c $(before-compile); $(+make-deps)
186 # Omit the objpfx rules when building in the source tree, because
187 # objpfx is empty and so these rules just override the ones above.
189 # Define first rules to find the source files in $(objpfx).
190 # Generated source files will end up there.
191 $(objpfx)%.o: $(objpfx)%.S $(before-compile); $(compile-command.S)
192 $(objpfx)%.so: $(objpfx)%.S $(before-compile); $(compile-command.S)
193 $(objpfx)%.po: $(objpfx)%.S $(before-compile); $(compile-command.S)
194 $(objpfx)%.go: $(objpfx)%.S $(before-compile); $(compile-command.S)
195 $(objpfx)%.d: $(objpfx)%.S $(before-compile); $(+make-deps)
196 $(objpfx)%.o: $(objpfx)%.s $(before-compile); $(compile-command.s)
197 $(objpfx)%.so: $(objpfx)%.s $(before-compile); $(compile-command.s)
198 $(objpfx)%.po: $(objpfx)%.s $(before-compile); $(compile-command.s)
199 $(objpfx)%.go: $(objpfx)%.s $(before-compile); $(compile-command.s)
200 $(objpfx)%.d: $(objpfx)%.s $(common-objpfx)dummy.d; $(make-dummy-dep)
201 $(objpfx)%.o: $(objpfx)%.c $(before-compile); $(compile-command.c)
202 $(objpfx)%.so: $(objpfx)%.c $(before-compile); $(compile-command.c)
203 $(objpfx)%.po: $(objpfx)%.c $(before-compile); $(compile-command.c)
204 $(objpfx)%.go: $(objpfx)%.c $(before-compile); $(compile-command.c)
205 $(objpfx)%.d: $(objpfx)%.c $(before-compile); $(+make-deps)
208 # System-dependent makefiles can put in `inhibit-sysdep-asm' wildcard
209 # patterns matching sysdep directories whose assembly source files should
211 ifdef inhibit-sysdep-asm
212 define open-check-inhibit-asm
213 case $$sysdir in $(subst $(empty) ,|,$(inhibit-sysdep-asm))) : ;; *)
215 close-check-inhibit-asm = ;; esac ;
218 # Don't include sysd-rules until sysd-Makefile is already there and has been
219 # included. It might define inhibit-sysdep-asm, which would affect the
220 # contents of sysd-rules.
221 ifdef sysd-Makefile-done
222 -include $(+sysdir_pfx)sysd-rules
223 ifneq ($(sysd-rules-sysdirs),$(config-sysdirs))
224 # The value of $(+sysdep_dirs) the sysd-rules was computed for
225 # differs from the one we are using now. So force a rebuild of sysd-rules.
226 sysd-rules-force = FORCE
230 $(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \
231 $(wildcard $(foreach dir,$(sysdirs),\
235 (echo 'sysd-rules-sysdirs := $(config-sysdirs)'; \
236 for sysdir in $(config-sysdirs); do \
238 /*) dir=$$sysdir ;; \
239 *) dir="\$$(..)$$sysdir" ;; \
241 for o in $(all-object-suffixes); do \
242 $(open-check-inhibit-asm) \
243 echo "\$$(objpfx)%$$o: $$dir/%.S \$$(before-compile); \
244 \$$(compile-command.S)"; \
245 echo "\$$(objpfx)%$$o: $$dir/%.s \$$(before-compile); \
246 \$$(compile-command.s)"; \
247 $(close-check-inhibit-asm) \
248 echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \
249 \$$(compile-command.c)"; \
251 $(open-check-inhibit-asm) \
252 echo "\$$(objpfx)%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \
253 \$$(make-dummy-dep)"; \
254 echo "\$$(objpfx)%.d: $$dir/%.S \$$(before-compile); \
256 $(close-check-inhibit-asm) \
257 echo "\$$(objpfx)%.d: $$dir/%.c \$$(before-compile); \
260 echo 'sysd-rules-done = t') > $@T
263 ifndef sysd-rules-done
264 # Don't do deps until this exists, because it provides rules to make the deps.
269 ifndef compile-command.S
270 compile-command.S = $(compile.S) $(OUTPUT_OPTION)
272 ifndef compile-command.s
273 compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION)
275 ifndef compile-command.c
276 compile-command.c = $(compile.c) $(OUTPUT_OPTION)
279 # GCC can grok options after the file name, and it looks nicer that way.
280 compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS)
281 compile.S = $(CC) $< -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@))
282 COMPILE.S = $(CC) -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@))
283 COMPILE.s = $(filter-out -pipe,$(CC)) -c $(ASFLAGS) $(ASFLAGS-$(suffix $@))
285 # We need this for the output to go in the right place. It will default to
286 # empty if make was configured to work with a cc that can't grok -c and -o
287 # together. You can't compile the C library with such a compiler.
288 OUTPUT_OPTION = -o $@
290 S-CPPFLAGS = $(asm-CPPFLAGS)
292 $(make-target-directory)
294 $(+mkdep) $< $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | \
296 -e 's,$(subst .,\.,$*)\.o,$(foreach o,$(all-object-suffixes),$(@:.d=$o)) $@,' \
297 $(sed-remove-objpfx) > $(@:.d=.T)
301 # Continuation lines here are dangerous because they introduce spaces!
302 define sed-remove-objpfx
303 -e 's@ $(subst .,\.,$(subst @,\@,$(common-objpfx)))@ $$(common-objpfx)@g' \
304 -e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g'
308 # Shared library building.
310 ifeq (yes,$(build-shared))
312 # Pattern rule to build a shared object from an archive of PIC objects.
313 # This must come after the installation rules so Make doesn't try to
314 # build shared libraries in place from the installed *_pic.a files.
315 # $(LDLIBS-%.so) may contain -l switches to generate run-time dependencies
316 # on other shared objects.
317 lib%.so: lib%_pic.a; $(build-shlib)
319 ifeq ($(have-no-whole-archive),yes)
320 no-whole-archive = -Wl,--no-whole-archive
325 interp-obj = $(common-objpfx)interp.so
326 $(interp-obj): $(common-objpfx)%.so: $(..)%.c
328 common-generated += interp.so
329 CFLAGS-interp.c = -D'RUNTIME_LINKER="$(slibdir)/$(rtld-installed-name)"'
331 $(common-objpfx)libc.so: $(interp-obj)
332 $(patsubst %,$(objpfx)%.so,$(extra-libs)): $(interp-obj)
335 $(LINK.o) -shared -o $@ $(sysdep-LDFLAGS) $(config-LDFLAGS) \
337 -Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \
338 $(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \
339 -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) \
340 -Wl,--whole-archive $^ $(no-whole-archive) \
341 $(LDLIBS-$(@F:lib%.so=%).so)
342 test -z "$($(@F)-version)" || \
343 (rm -f $@$($(@F)-version); $(LN_S) $(@F) $@$($(@F)-version))
346 # Don't try to use -lc when making libc.so itself.
347 # Also omits crti.o and crtn.o, which we do not want
348 # since we define our own `.init' section specially.
349 LDFLAGS-c.so = -nostdlib -nostartfiles
350 # But we still want to link libc.so against -lgcc.
352 # Give libc.so an entry point and make it directly runnable itself.
353 LDFLAGS-c.so += -e __libc_main
354 # Use our own special initializer and finalizer files for libc.so.
355 $(common-objpfx)libc.so: $(elfobjdir)/soinit.so \
356 $(common-objpfx)libc_pic.a \
357 $(elfobjdir)/sofini.so $(elfobjdir)/ld.so
361 # Some files must not be compiled with the exception handler mechanism
362 # enabled (introduced in gcc-2.8). Use $(no-exceptions) in the
363 # appropriate CFLAGS definition.
364 ifeq ($(have-no-exceptions),yes)
365 no-exceptions = -fno-exceptions
370 # Figure out the source filenames in this directory.
372 override sources := $(addsuffix .c,$(filter-out $(elided-routines),\
375 sysdep_routines := $(sysdep_routines)
377 headers := $(headers) $(sysdep_headers)
379 # This is the list of all object files, gotten by
380 # replacing every ".c" in `sources' with a ".o".
381 override objects := $(addprefix $(objpfx),$(sources:.c=.o))
384 # This variable is used in ``include $(o-iterator)'' after defining
385 # $(o-iterator-doit) to produce some desired rule using $o for the object
386 # suffix, and setting $(object-suffixes-left) to $(object-suffixes); a copy
387 # is produced for each object suffix in use.
388 o-iterator = $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left))
390 # The makefile may define $(extra-libs) with `libfoo libbar'
391 # to build libfoo.a et al from the modules listed in $(libfoo-routines).
393 # extra-lib.mk is included once for each extra lib to define rules
394 # to build it, and to add its objects to the various variables.
395 # During its evaluation, $(lib) is set to the name of the library.
396 extra-libs-left := $(extra-libs)
397 include $(patsubst %,$(..)extra-lib.mk,$(extra-libs))
400 +depfiles := $(strip $(sources:.c=.d) \
401 $(patsubst %.o,%.d,$(filter %.o,$(extra-objs:.so=.o))) \
402 $(addsuffix .d,$(others) $(tests)))
403 +depfiles := $(addprefix $(objpfx),\
404 $(filter-out $(addsuffix .d,$(omit-deps)),\
409 -include $(+depfiles)
413 # Maximize efficiency by minimizing the number of rules.
414 .SUFFIXES: # Clear the suffix list.
415 # Add the suffixes we use.
416 .SUFFIXES: .a $(object-suffixes) .S .s .c .h .d
418 # Generic rule for making directories.
420 # mkdir isn't smart enough to strip a trailing /.
423 # Make sure that object files are not removed
424 # when they are intermediates between sources and library members.
425 .PRECIOUS: $(addprefix $(objpfx)%,$(object-suffixes))
427 # Make sure that the parent library archive is never removed.
428 .PRECIOUS: $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
430 # Use the verbose option of ar and tar when not running silently.
431 ifeq "$(findstring s,$(MAKEFLAGS))" "" # if not -s
437 ARFLAGS := r$(verbose)
439 # This makes all the object files in the parent library archive.
441 .PHONY: lib libobjs lib-noranlib
442 lib: lib-noranlib $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
444 # Pattern rule for libraries: depend on the __.SYMDEF member updated by ranlib.
445 lib%.a: lib%.a($(ar-symtab-name)) ;
447 # For object-suffix $o, the list of objects with that suffix.
448 # Makefiles can define `elide-routines.so = foo' to leave foo.so out.
449 o-objects = $(patsubst %.o,%$o,$(filter-out $(patsubst %,$(objpfx)%.o,\
450 $(elide-routines$o)),\
453 libobjs: $(foreach o,$(object-suffixes),\
454 $(common-objpfx)$(patsubst %,$(libtype$o),c)(\
455 $(notdir $(o-objects))))
456 lib-noranlib: libobjs
457 others: $(addprefix $(objpfx),$(install-lib))
461 # Create the stamp$o files to keep the parent makefile happy.
462 subdir_lib: $(foreach o,$(object-suffixes),$(objpfx)stamp$o-$(subdir))
463 $(foreach o,$(object-suffixes),$(objpfx)stamp$o-$(subdir)):
464 $(make-target-directory)
468 # Define a pattern rule that will match many targets libc.a(foo.%), for
469 # each foo.o in $(objects) (% will just happen always to match `o'). This is
470 # the only way to define a rule that updates many targets at once with one
471 # sequence of commands.
472 define o-iterator-doit
473 $(common-objpfx)$(patsubst %,$(libtype$o),c)(\
474 $(addsuffix .%,$(filter-out $(elide-routines$o),$(notdir $(objects:.o=))))): \
475 $(objpfx)stamp.%-$(subdir) ;
477 object-suffixes-left := $(object-suffixes)
478 include $(o-iterator)
480 # The pattern rule tells Make to remake $(objpfx)stamp.%-$(subdir) as
481 # the way to update all the foo.% object files in $(objects). Now we
482 # define explicit rules to update each $(objpfx)stamp.SUFFIX-$(subdir)
483 # timestamp file; these rules (one explicit rule is generated for each
484 # object suffix) will update the parent archive with ar. Use a static
485 # pattern rule so $* is set to the object type during the commands.
486 define o-iterator-doit
487 $(objpfx)stamp$o-$(subdir): $(objpfx)stamp%-$(subdir): $(o-objects); $$(do-ar)
489 object-suffixes-left := $(object-suffixes)
490 include $(o-iterator)
492 topdir=`cd $(..).; pwd`; \
493 $(patsubst %/,cd %;,$(objpfx)) \
494 $(SHELL) $$topdir/autolock.sh ${O%-lib}.lck $(AR) cru$(verbose) ${O%-lib} \
495 $(patsubst $(objpfx)%,%,$^)
499 O%-lib = $(..)$(patsubst %,$(libtype$*),c)
503 # Rules to update the $(ar-symtab-name) member with ranlib,
504 # one for each object flavor.
505 define o-iterator-doit
506 $(common-objpfx)$(patsubst %,$(libtype$o),c)($(ar-symtab-name)): \
507 $(common-objpfx)$(patsubst %,$(libtype$o),c)(\
508 $(patsubst $(objpfx)%,%,$(o-objects))) $(subdirs-stamp-o); \
509 $(SHELL) $$(..)./autolock.sh \
510 $$(common-objpfx)$$(patsubst %,$$(libtype$o),c).lck \
511 $$(RANLIB) $$(common-objpfx)$$(patsubst %,$$(libtype$o),c)
514 subdirs-stamps := $(foreach d,$(subdirs),$(common-objpfx)$d/stamp%-$d)
515 subdirs-stamp-o = $(subst %,$o,$(subdirs-stamps))
516 $(subdirs-stamps): subdir_lib;
518 object-suffixes-left = $(object-suffixes)
519 include $(o-iterator)
522 # This makes all the object files.
524 objects objs: $(foreach o,$(object-suffixes),$(o-objects)) \
525 $(addprefix $(objpfx),$(extra-objs))
527 # Canned sequence for building an extra library archive.
528 define build-extra-lib
529 $(patsubst %/,cd %;,$(objpfx)) \
530 $(AR) cru$(verbose) $(@:$(objpfx)%=%) \
531 $(patsubst $(objpfx)%,%,$^)
537 # $(install-lib) are installed from the object directory into $(libdir);
538 # files in $(install-lib) matching `lib%.a' are ranlib'd after installation
539 # unless they also appear in $(non-lib.a). $(install-data) are installed
540 # as they are into $(datadir). $(headers) are installed as they are in
541 # $(includedir). $(install-bin) and $(install-sbin) are installed from the
542 # object directory into $(bindir) and $(sbindir), respectively.
543 # $(install-others) are absolute path names of files to install; rules to
544 # install them are defined elsewhere.
546 # The simple library name to install libc.a under.
547 # This could be defined by a sysdep Makefile.
553 $(make-target-directory)
554 $(INSTALL_DATA) $< $@
557 # Make the target directory if it doesn't exist, using the `mkinstalldirs'
558 # script that does `mkdir -p' even if `mkdir' doesn't support that flag.
559 define make-target-directory
560 $(addprefix $(..)./mkinstalldirs ,\
561 $(filter-out $(wildcard $(@D:%/=%)),$(@D:%/=%)))
564 # Any directory (parent or subdir) that has any object files to build
565 # should install libc.a; this way "make install" in a subdir is guaranteed
566 # to install everything it changes.
568 installed-libcs := $(foreach o,$(object-suffixes),\
569 $(inst_libdir)/$(patsubst %,$(libtype$o),\
570 $(libprefix)$(libc-name)))
571 installed-libcs := $(filter-out %_pic.a,$(installed-libcs))
572 install: $(installed-libcs)
573 $(installed-libcs): $(inst_libdir)/lib$(libprefix)%: lib
574 $(make-target-directory)
575 $(INSTALL_DATA) $(common-objpfx)lib$(*:$(libc-name)%=c%) $@
576 # Running ranlib after installing makes the __.SYMDEF time stamp up to
577 # date, which avoids messages from some linkers.
581 define do-install-program
582 $(make-target-directory)
583 $(INSTALL_PROGRAM) $< $@.new
587 install-lib.so := $(filter %.so,$(install-lib:%_pic.a=%.so))
588 install-lib := $(filter-out %.so %_pic.a,$(install-lib))
589 ifeq (yes,$(build-shared))
591 install-lib-nosubdir: $(install-lib.so:%=$(inst_libdir)/%)
593 # Find which .so's have versions.
594 versioned := $(strip $(foreach so,$(install-lib.so),\
595 $(patsubst %,$(so),$($(so)-version))))
597 # Install all the unversioned shared libraries.
598 $(addprefix $(inst_slibdir)/, $(filter-out $(versioned),$(install-lib.so))): \
599 $(inst_slibdir)/%.so: $(objpfx)%.so; $(do-install-program)
601 ifneq ($(findstring -s,$(LN_S)),)
604 $(SHELL) $(..)rellns-sh $< $@.new
608 # If we have no symbolic links don't bother with rellns-sh.
616 # XXX The following will have to be changed when `ldconfig' is available.
617 ifneq (yes,$(cross-compiling))
618 ifeq (yes,$(has-ldconfig))
619 define make-shlib-link
624 ifndef make-shlib-link
625 define make-shlib-link
630 ifdef libc.so-version
631 # For a library specified to be version N, install three files:
632 # libc.so -> libc.so.N (e.g. libc.so.6)
633 # libc.so.6 -> libc-VERSION.so (e.g. libc-1.10.so)
635 $(inst_slibdir)/libc.so$(libc.so-version): $(inst_slibdir)/libc-$(version).so
637 $(inst_slibdir)/libc-$(version).so: $(common-objpfx)libc.so
638 $(do-install-program)
639 install: $(inst_slibdir)/libc.so$(libc.so-version)
642 # What we install as libc.so for programs to link against is in fact a
643 # link script. It contains references for the various libraries we need.
644 # The libc.so object is not complete since some functions are only defined
645 # in libc.a and the dynamic linker is an etra object.
646 install: $(inst_libdir)/libc.so
647 $(inst_libdir)/libc.so: $(common-objpfx)libc.so$(libc.so-version) \
648 $(elfobjdir)/$(rtld-installed-name) \
649 $(inst_libdir)/lib$(libc-name).a
650 (echo '/* GNU ld script';\
651 echo ' Use the shared library, but some functions are only in';\
652 echo ' the static library, so try that secondarily.'; \
653 echo ' The dynamic linker defines some functions used by $(<F),';\
654 echo ' but ld uses definitions from libc.a before examining the';\
655 echo ' dependencies of $(<F) to find $(rtld-installed-name). */';\
656 echo 'GROUP ( $(slibdir)/libc.so$(libc.so-version)' \
657 '$(slibdir)/$(rtld-installed-name)' \
658 '$(libdir)/lib$(libc-name).a )' \
665 install: $(inst_slibdir)/libc.so
666 $(inst_slibdir)/libc.so: $(common-objpfx)libc.so
667 $(do-install-program)
671 ifneq (,$(versioned))
672 # Produce three sets of rules as above for all the smaller versioned libraries.
674 define o-iterator-doit
675 $(inst_libdir)/$o: $(inst_slibdir)/$o$($o-version); $$(make-link)
677 object-suffixes-left := $(versioned)
678 include $(o-iterator)
680 # Make symlinks in the build directory, because the versioned names might
681 # be referenced by a DT_NEEDED in another library.
682 define o-iterator-doit
683 $(objpfx)$o$($o-version): $(objpfx)$o; $$(make-link)
685 object-suffixes-left := $(versioned)
686 include $(o-iterator)
689 ifeq (,$($(subdir)-version))
690 define o-iterator-doit
691 $(inst_slibdir)/$o$($o-version): $(inst_slibdir)/$(o:.so=)-$(version).so;
694 object-suffixes-left := $(versioned)
695 include $(o-iterator)
697 define o-iterator-doit
698 $(inst_slibdir)/$(o:.so=)-$(version).so: $(objpfx)$o; $$(do-install-program)
700 object-suffixes-left := $(versioned)
701 include $(o-iterator)
703 define o-iterator-doit
704 $(inst_slibdir)/$o$($o-version): \
705 $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so;
708 object-suffixes-left := $(versioned)
709 include $(o-iterator)
711 define o-iterator-doit
712 $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so: $(objpfx)$o;
713 $$(do-install-program)
715 object-suffixes-left := $(versioned)
716 include $(o-iterator)
721 $(do-install-program)
722 $(patsubst %,ln -s -f $(@F) $(@D)/$(patsubst %$*.so,%,$(<F))$(libprefix)$*.so,\
723 $(filter-out %.so,$@))
726 so-versions := $(sort $(foreach so,$(install-lib.so),.so$($(so)-version)))
727 $(foreach v,$(so-versions),\
728 $(inst_slibdir)/lib$(libprefix)%$v): $(common-objpfx)lib%.so
730 $(foreach v,$(so-versions),\
731 $(inst_slibdir)/$(libprefix)%$v): $(common-objpfx)%.so
736 $(addprefix $(inst_bindir)/,$(install-bin)): $(inst_bindir)/%: $(objpfx)%
737 $(do-install-program)
739 ifdef install-rootsbin
740 $(addprefix $(inst_rootsbindir)/,$(install-rootsbin)):
741 $(inst_rootsbindir)/%: $(objpfx)%
742 $(do-install-program)
745 $(addprefix $(inst_sbindir)/,$(install-sbin)): $(inst_sbindir)/%: $(objpfx)%
746 $(do-install-program)
749 install-lib.a := $(filter lib%.a,$(install-lib))
750 install-lib-non.a := $(filter-out lib%.a,$(install-lib))
751 ifdef install-lib-non.a
752 $(addprefix $(inst_libdir)/$(libprefix),$(install-lib-non.a)): \
753 $(inst_libdir)/$(libprefix)%: $(objpfx)%
757 $(install-lib.a:lib%.a=$(inst_libdir)/lib$(libprefix)%.a): \
758 $(inst_libdir)/lib$(libprefix)%.a: $(objpfx)lib%.a
760 $(patsubst %,$(RANLIB) $@,$(filter-out $(non-lib.a),$(<F)))
764 $(addprefix $(inst_datadir)/,$(install-data)): $(inst_datadir)/%: %;
767 headers := $(strip $(headers))
769 $(addprefix $(inst_includedir)/,$(headers)): $(inst_includedir)/%: %;
773 .PHONY: install-bin-nosubdir install-rootsbin-nosubdir install-sbin-nosubdir \
774 install-lib-nosubdir install-data-nosubdir install-headers-nosubdir
775 install-bin-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin))
776 install-rootsbin-nosubdir: \
777 $(addprefix $(inst_rootsbindir)/,$(install-rootsbin))
778 install-sbin-nosubdir: $(addprefix $(inst_sbindir)/,$(install-sbin))
779 install-lib-nosubdir: $(addprefix $(inst_libdir)/,\
780 $(patsubst lib%.a,lib$(libprefix)%.a,$(install-lib.a)) \
781 $(addprefix $(libprefix),$(install-lib-non.a)))
782 install-data-nosubdir: $(addprefix $(inst_datadir)/,$(install-data))
783 install-headers-nosubdir: $(addprefix $(inst_includedir)/,$(headers))
784 install-others-nosubdir: $(install-others)
786 # We need all the `-nosubdir' targets so that `install' in the parent
787 # doesn't depend on several things which each iterate over the subdirs.
788 # This rule makes `install-FOO' always use `install-FOO-nosubdir' as a
789 # subroutine. Then in the parent `install-FOO' also causes subdir makes.
790 install-%:: install-%-nosubdir ;
792 .PHONY: install install-no-libc.a-nosubdir
793 install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\
794 install-bin-nosubdir install-lib-nosubdir \
795 install-others-nosubdir install-rootsbin-nosubdir \
796 install-sbin-nosubdir
797 install: install-no-libc.a-nosubdir
799 # Command to compile $< in $(objdir) using the native libraries.
800 define native-compile
801 cwd=`pwd`; cd $(@D); $(BUILD_CC) $(BUILD_CFLAGS) \
802 $(addprefix $$cwd/,$^) -o $(@F)
805 # Command to compile $< in $(common-objdir) using the native libraries.
806 # We must cd to $(objdir) anyway so that $(..)config.h is valid.
807 define common-objdir-compile
809 $(BUILD_CC) $(BUILD_CFLAGS) $(<:$(common-objpfx)%=$(..)%) -o $(..)$(@F)
812 # We always want to use configuration definitions.
813 BUILD_CFLAGS = -include $(..)config.h
815 # Support the GNU standard name for this target.
820 TAGS: $(common-objpfx)distinfo-$(subdir) $(..)MakeTAGS
821 $(MAKE) $(addprefix -f ,$^) $@
823 $(..)po/%.pot: $(common-objpfx)distinfo-$(subdir) $(..)MakeTAGS FORCE
824 $(MAKE) $(addprefix -f ,$(filter-out FORCE,$^)) $@
833 # Common cleaning targets.
835 .PHONY: common-mostlyclean common-clean mostlyclean clean
837 mostlyclean: common-mostlyclean
839 # Remove the object files.
841 -rm -f $(addprefix $(objpfx),$(tests) $(test-srcs) $(others) \
842 $(addsuffix .o,$(tests) $(test-srcs) \
844 $(addsuffix .out,$(tests) $(test-srcs)))
845 -rm -f $(addprefix $(objpfx),$(extra-objs) $(install-lib))
846 -rm -f core $(common-objpfx)stub-$(subdir)
849 $(foreach o,$(object-suffixes),
850 -rm -f $(addprefix $(objpfx),stamp$o-$(subdir)) $(o-objects))
853 # Also remove the dependencies and generated source files.
854 common-clean: common-mostlyclean
855 -rm -f $(addprefix $(objpfx),$(generated)) $(+depfiles)
856 -rm -fr $(addprefix $(objpfx),$(generated-dirs))
857 -rm -f $(addprefix $(common-objpfx),$(common-generated))
858 -rm -f $(common-objpfx)distinfo-$(subdir)
860 # Produce a file `stub-$(subdir)' which contains `#define __stub_FUNCTION'
861 # for each function which is a stub. We grovel over all the .d files
862 # looking for references to source files in sysdeps/stub. Then we grovel
863 # over each referenced source file to see what stub function it defines.
865 .PHONY: stubs # The parent Makefile calls this target.
866 stubs: $(common-objpfx)stub-$(subdir)
867 s = $(sysdep_dir)/stub
868 $(common-objpfx)stub-$(subdir): $(+depfiles)
869 # Use /dev/null since `...` might expand to empty.
870 (s=`cd $s; /bin/pwd`; \
871 $(patsubst %/,cd %;,$(objpfx)) \
872 sed -n 's/^stub_warning *(\([^)]*\).*$$/#define __stub_\1/p' \
873 `sed -n 's@^.*$s/\([a-z0-9_-]*\.c\).*$$@'"$$s"/'\1@p' \
874 $(patsubst $(objpfx)%,%,$^) /dev/null` \
878 # Make the distribution tar file.
881 dist: $(common-objpfx)distinfo-$(subdir) $(..)Make-dist
882 $(MAKE) -f $< -f $(word 2,$^) $(Make-dist-args)
884 # Avoid depending on source files found in sysdeps dirs,
885 # because the references affect implicit rule selection.
886 dist: $(filter-out %.c %.S %.s,$(distribute))
888 # We used to simply export all these variables, but that frequently made the
889 # environment get too large. Instead, we write all the information into
890 # a generated makefile fragment `distinfo', and then include it with -f in
891 # the sub-make that makes the distribution (above).
892 $(common-objpfx)distinfo-$(subdir): Makefile $(..)Makerules
895 .PHONY: subdir_distinfo distinfo
896 subdir_distinfo: distinfo
897 distinfo: $(common-objpfx)distinfo-$(subdir)
901 echo > $@.new 'subdir := $(subdir)'
902 $(foreach var,subdir-dirs sources elided-routines sysdep_routines \
903 headers sysdep_headers distribute dont_distribute generated \
904 others tests extra-libs $(extra-libs:%=%-routines) \
906 $(addprefix install-,lib lib.so data bin sbin others),
907 echo >> $@.new '$(subdir)-$(var) := $($(var))'
908 echo >> $@.new '$(var) = $$($(subdir)-$(var))')
911 ifneq (,$(strip $(gpl2lgpl)))
912 ifneq (,$(wildcard $(..)gpl2lgpl.sed))
913 # Snarf from the master source and frob the copying notice.
914 $(gpl2lgpl): %: $(..)gpl2lgpl.sed /home/gd/gnu/lib/%
916 # So I don't edit them by mistake.
919 test ! -d CVS || cvs commit -m'Updated from $^' $@