# Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc. # This file is part of the GNU C Library. # The GNU C Library is free software; you can redistribute it and/or # modify it under the terms of the GNU Library General Public License as # published by the Free Software Foundation; either version 2 of the # License, or (at your option) any later version. # The GNU C Library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Library General Public License for more details. # You should have received a copy of the GNU Library General Public # License along with the GNU C Library; see the file COPYING.LIB. If not, # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, # Boston, MA 02111-1307, USA. # # Common rules for making the GNU C library. This file is included # by the top-level Makefile and by all subdirectory makefiles # (through Rules). # ifneq (,) This makefile requires GNU Make. endif REQUIRED_MAKE_VERSION = 3.74 REAL_MAKE_VERSION = $(firstword $(MAKE_VERSION)) ifneq ($(REQUIRED_MAKE_VERSION), \ $(firstword $(sort $(REAL_MAKE_VERSION) $(REQUIRED_MAKE_VERSION)))) Wrong GNU Make version. See above for the version needed. endif ifdef subdir .. := ../ endif # subdir # If `sources' was defined by the parent makefile, undefine it so # we will later get it from wildcard search in this directory. ifneq "$(findstring env,$(origin sources))" "" sources := endif oPATH := $(PATH) PATH := this definition should take precedence over $(oPATH) ifeq ($(PATH),$(oPATH)) You must not use the -e flag when building the GNU C library. else PATH := $(oPATH) endif ifndef +included-Makeconfig include $(..)Makeconfig endif # `configure' writes a definition of `config-sysdirs' in `config.make'. sysdirs = $(strip $(full-config-sysdirs)) +sysdir_pfx = $(common-objpfx) export sysdirs := $(sysdirs) +sysdep_dirs := $(full-config-sysdirs) ifdef objdir +sysdep_dirs := $(objdir) $(+sysdep_dirs) endif # Add -I switches to get the right sysdep directories. # `+includes' in Makeconfig references $(+sysdep-includes). +sysdep-includes := $(addprefix -I,$(+sysdep_dirs)) # This variable is used in ``include $(o-iterator)'' after defining # $(o-iterator-doit) to produce some desired rule using $o for the object # suffix, and setting $(object-suffixes-left) to $(object-suffixes); a copy # is produced for each object suffix in use. o-iterator = $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left)) # Include any system-specific makefiles. # This is here so things in sysdep Makefiles can easily depend on foo.h as # appropriate and not worry about where foo.h comes from, which may be # system dependent and not known by that Makefile. vpath %.h $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \ $(+sysdep_dirs) $(..))) # The same is true for RPC source files. vpath %.x $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \ $(+sysdep_dirs) $(..))) # Some sysdep makefiles use this to distinguish being included here from # being included individually by a subdir makefile (hurd/Makefile needs this). in-Makerules := yes -include $(+sysdir_pfx)sysd-Makefile ifndef avoid-generated ifneq ($(sysd-Makefile-sysdirs),$(config-sysdirs)) sysd-Makefile-force = FORCE FORCE: endif $(+sysdir_pfx)sysd-Makefile: $(+sysdir_pfx)config.make $(..)Makerules \ $(sysd-Makefile-force) -@rm -f $@T (echo 'sysd-Makefile-sysdirs := $(config-sysdirs)'; \ for file in $(config-sysdirs:=/Makefile); do \ if [ -f $(..)$$file ]; then \ echo include "\$$(..)$$file"; \ else true; fi; \ done; \ echo 'sysd-Makefile-done=t') > $@T mv -f $@T $@ endif ifndef sysd-Makefile-done # Don't do deps until this exists, because it might change the sources list. no_deps=t endif # Reorder before-compile so that mach things come first, and hurd things # second, before all else. The mach and hurd subdirectories have many # generated header files which the much of rest of the library depends on, # so it is best to build them first (and mach before hurd, at that). before-compile := $(filter $(common-objpfx)mach% $(common-objpfx)hurd%,\ $(before-compile)) \ $(filter-out $(common-objpfx)mach% $(common-objpfx)hurd%,\ $(before-compile)) # Remove existing files from `before-compile'. Things are added there when # they must exist for dependency generation to work right, but once they # exist there is no further need for every single file to depend on them, # and those gratuitous dependencies result in many gratuitous # recompilations. before-compile := $(filter-out $(wildcard $(before-compile)),$(before-compile)) # Don't let any before-compile file be an intermediate and get removed. ifdef before-compile $(before-compile): endif # Generate an ordered list of implicit rules which find the source files in # each sysdep directory. The old method was to use vpath to search all the # sysdep directories. However, that had the problem that a .S file in a # later directory would be chosen over a .c file in an earlier directory, # which does not preserve the desired sysdeps ordering behavior. # When making the list of .d files to include, we can't know which ones # have source in .s files, and thus do not in fact need a .d file. # So we must define rules to make .d files for .s files. define make-dummy-dep $(addprefix ln $(common-objpfx)dummy.d ,$(filter-out $(wildcard $@),$@)) endef $(common-objpfx)dummy.d: echo '# .s files cannot contain includes, so they need no deps.' > $@ # It matters that this set of rules, for compiling from sources in # the current directory (the $srcdir/$subdir) come before the # generated sysdep rules in included from sysd-rules below. When # compiling in the source tree, generated sources go into the current # directory, and those should be chosen before any sources in sysdeps. define o-iterator-doit $(objpfx)%$o: %.S $(before-compile); $$(compile-command.S) endef object-suffixes-left := $(all-object-suffixes) include $(o-iterator) $(objpfx)%.d: %.S $(before-compile); $(+make-deps) define o-iterator-doit $(objpfx)%$o: %.s $(before-compile); $$(compile-command.s) endef object-suffixes-left := $(all-object-suffixes) include $(o-iterator) $(objpfx)%.d: %.s $(common-objpfx)dummy.d; $(make-dummy-dep) define o-iterator-doit $(objpfx)%$o: %.c $(before-compile); $$(compile-command.c) endef object-suffixes-left := $(all-object-suffixes) include $(o-iterator) $(objpfx)%.d: %.c $(before-compile); $(+make-deps) # Omit the objpfx rules when building in the source tree, because # objpfx is empty and so these rules just override the ones above. ifdef objpfx # Define first rules to find the source files in $(objpfx). # Generated source files will end up there. define o-iterator-doit $(objpfx)%$o: $(objpfx)%.S $(before-compile); $$(compile-command.S) endef object-suffixes-left := $(all-object-suffixes) include $(o-iterator) $(objpfx)%.d: $(objpfx)%.S $(before-compile); $(+make-deps) define o-iterator-doit $(objpfx)%$o: $(objpfx)%.s $(before-compile); $$(compile-command.s) endef object-suffixes-left := $(all-object-suffixes) include $(o-iterator) $(objpfx)%.d: $(objpfx)%.s $(common-objpfx)dummy.d; $(make-dummy-dep) define o-iterator-doit $(objpfx)%$o: $(objpfx)%.c $(before-compile); $$(compile-command.c) endef object-suffixes-left := $(all-object-suffixes) include $(o-iterator) $(objpfx)%.d: $(objpfx)%.c $(before-compile); $(+make-deps) endif # System-dependent makefiles can put in `inhibit-sysdep-asm' wildcard # patterns matching sysdep directories whose assembly source files should # be suppressed. ifdef inhibit-sysdep-asm define open-check-inhibit-asm case $$sysdir in $(subst $(empty) ,|,$(inhibit-sysdep-asm))) : ;; *) endef close-check-inhibit-asm = ;; esac ; endif # Don't include sysd-rules until sysd-Makefile is already there and has been # included. It might define inhibit-sysdep-asm, which would affect the # contents of sysd-rules. ifdef sysd-Makefile-done -include $(+sysdir_pfx)sysd-rules ifneq ($(sysd-rules-sysdirs),$(config-sysdirs)) # The value of $(+sysdep_dirs) the sysd-rules was computed for # differs from the one we are using now. So force a rebuild of sysd-rules. sysd-rules-force = FORCE FORCE: endif endif $(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \ $(wildcard $(foreach dir,$(sysdirs),\ $(dir)/Makefile))\ $(sysd-rules-force) -@rm -f $@T (echo 'sysd-rules-sysdirs := $(config-sysdirs)'; \ for dir in $(config-sysdirs:%='$$(..)%'); do \ for o in $(all-object-suffixes); do \ $(open-check-inhibit-asm) \ echo "\$$(objpfx)%$$o: $$dir/%.S \$$(before-compile); \ \$$(compile-command.S)"; \ echo "\$$(objpfx)%$$o: $$dir/%.s \$$(before-compile); \ \$$(compile-command.s)"; \ $(close-check-inhibit-asm) \ echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \ \$$(compile-command.c)"; \ done; \ $(open-check-inhibit-asm) \ echo "\$$(objpfx)%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \ \$$(make-dummy-dep)"; \ echo "\$$(objpfx)%.d: $$dir/%.S \$$(before-compile); \ \$$(+make-deps)"; \ $(close-check-inhibit-asm) \ echo "\$$(objpfx)%.d: $$dir/%.c \$$(before-compile); \ \$$(+make-deps)"; \ done; \ echo 'sysd-rules-done = t') > $@T mv -f $@T $@ ifndef sysd-rules-done # Don't do deps until this exists, because it provides rules to make the deps. no_deps=t endif # Generate version maps, but wait until sysdep-subdirs is known ifdef sysd-dirs-done ifeq ($(versioning),yes) -include $(common-objpfx)sysd-versions $(addprefix $(common-objpfx),$(version-maps)): $(common-objpfx)sysd-versions common-generated += $(version-maps) sysd-versions ifndef avoid-generated ifneq ($(sysd-versions-subdirs),$(all-subdirs) $(config-sysdirs)) sysd-versions-force = FORCE FORCE: endif $(common-objpfx)sysd-versions: $(..)Versions.def $(..)scripts/versions.awk \ $(wildcard $(all-subdirs:%=$(..)%/Versions)) \ $(wildcard $(sysdirs:%=%/Versions)) \ $(sysd-versions-force) { echo 'sysd-versions-subdirs = $(all-subdirs) $(config-sysdirs)' ; \ $(AWK) -v buildroot=$(common-objpfx) -v defsfile=$< \ -v move_if_change='$(move-if-change)' \ -f $(filter-out $< $(sysd-versions-force),$^); \ } > $@T mv -f $@T $@ endif # avoid-generated endif # $(versioning) = yes endif # sysd-dirs-done ifndef compile-command.S compile-command.S = $(compile.S) $(OUTPUT_OPTION) endif ifndef compile-command.s compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION) endif ifndef compile-command.c compile-command.c = $(compile.c) $(OUTPUT_OPTION) endif # GCC can grok options after the file name, and it looks nicer that way. compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS) compile.S = \ $(CC) $< -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@)) COMPILE.S = \ $(CC) -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@)) COMPILE.s = $(filter-out -pipe,$(CC)) -c $(ASFLAGS) # We need this for the output to go in the right place. It will default to # empty if make was configured to work with a cc that can't grok -c and -o # together. You can't compile the C library with such a compiler. OUTPUT_OPTION = -o $@ S-CPPFLAGS = $(asm-CPPFLAGS) define +make-deps $(make-target-directory) -@rm -f $@ $(+mkdep) $< $(CFLAGS) $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | \ sed \ -e 's,$(subst .,\.,$*)\.o,$(foreach o,$(all-object-suffixes),$(@:.d=$o)) $@,' \ $(sed-remove-objpfx) > $(@:.d=.T) mv -f $(@:.d=.T) $@ endef ifneq (,$(objpfx)) # Continuation lines here are dangerous because they introduce spaces! define sed-remove-objpfx -e 's@ $(subst .,\.,$(subst @,\@,$(common-objpfx)))@ $$(common-objpfx)@g' \ -e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g' endef endif # Shared library building. ifeq (yes,$(build-shared)) # Reference map file only when versioning is selected and a map file name # is given. ifeq ($(versioning),yes) map-file = $(firstword $($(@F:.so=-map)) \ $(addprefix $(common-objpfx), \ $(filter $(@F:.so=.map),$(version-maps)))) load-map-file = $(map-file:%=-Wl,--version-script=%) endif # Pattern rule to build a shared object from an archive of PIC objects. # This must come after the installation rules so Make doesn't try to # build shared libraries in place from the installed *_pic.a files. # $(LDLIBS-%.so) may contain -l switches to generate run-time dependencies # on other shared objects. lib%.so: lib%_pic.a $(+preinit) $(+postinit) $(+interp) $(build-shlib) define build-shlib $(LINK.o) -shared -o $@ $(sysdep-LDFLAGS) $(config-LDFLAGS) \ -B$(csu-objpfx) $(load-map-file) \ -Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \ $(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \ -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) \ -Wl,--whole-archive \ $(filter-out $(map-file) $(+preinit) $(+postinit),$^) \ $(no-whole-archive) $(LDLIBS-$(@F:lib%.so=%).so) endef ifndef libc.so-version # Undefine this because it can't work when we libc.so is unversioned. static-only-routines = endif elide-routines.oS += $(filter-out $(static-only-routines),\ $(routines) $(aux) $(sysdep_routines)) elide-routines.os += $(static-only-routines) # If we have versioned code we don't need the old versions in any of the # static libraries. elide-routines.o += $(shared-only-routines) elide-routines.op += $(shared-only-routines) elide-routines.og += $(shared-only-routines) elide-routines.ob += $(shared-only-routines) # Don't try to use -lc when making libc.so itself. # Also omits crti.o and crtn.o, which we do not want # since we define our own `.init' section specially. LDFLAGS-c.so = -nostdlib -nostartfiles # But we still want to link libc.so against $(gnulib). LDLIBS-c.so += $(gnulib) # Give libc.so an entry point and make it directly runnable itself. LDFLAGS-c.so += -e __libc_main # Pre-link the objects of libc_pic.a so that we can locally resolve # COMMON symbols before we link against ld.so. This is because ld.so # contains some of libc_pic.a already, which will prevent the COMMONs # from being allocated in libc.so, which introduces evil dependencies # between libc.so and ld.so, which can make it impossible to upgrade. $(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a $(LINK.o) -nostdlib -nostartfiles -r -o $@ \ -Wl,-d -Wl,--whole-archive $^ # Use our own special initializer and finalizer files for libc.so. $(common-objpfx)libc.so: $(elfobjdir)/soinit.os \ $(common-objpfx)libc_pic.os \ $(elfobjdir)/sofini.os \ $(elfobjdir)/interp.os $(elfobjdir)/ld.so $(build-shlib) ifeq ($(versioning),yes) $(common-objpfx)libc.so: $(common-objpfx)libc.map endif common-generated += libc.so libc_pic.os ifdef libc.so-version $(common-objpfx)libc.so$(libc.so-version): $(common-objpfx)libc.so $(make-link) common-generated += libc.so$(libc.so-version) endif endif # Figure out the source filenames in this directory. override sources := $(addsuffix .c,$(filter-out $(elided-routines),\ $(routines) $(aux) \ $(sysdep_routines))) sysdep_routines := $(sysdep_routines) headers := $(headers) $(sysdep_headers) # This is the list of all object files, gotten by # replacing every ".c" in `sources' with a ".o". override objects := $(addprefix $(objpfx),$(sources:.c=.o)) # The makefile may define $(extra-libs) with `libfoo libbar' # to build libfoo.a et al from the modules listed in $(libfoo-routines). ifdef extra-libs # extra-lib.mk is included once for each extra lib to define rules # to build it, and to add its objects to the various variables. # During its evaluation, $(lib) is set to the name of the library. extra-libs-left := $(extra-libs) include $(patsubst %,$(..)extra-lib.mk,$(extra-libs)) endif +depfiles := $(sources:.c=.d) \ $(patsubst %.o,%.d,$(filter %.o,$(extra-objs:.os=.o))) \ $(addsuffix .d,$(tests) $(test-srcs) $(tests-static)) ifeq ($(build-programs),yes) +depfiles += $(addsuffix .d,$(others) $(sysdep-others)) endif +depfiles := $(addprefix $(objpfx),\ $(filter-out $(addsuffix .d,$(omit-deps)),\ $(+depfiles))) ifdef +depfiles ifneq ($(no_deps),t) -include $(+depfiles) endif endif # Maximize efficiency by minimizing the number of rules. .SUFFIXES: # Clear the suffix list. We don't use suffix rules. # Don't define any builtin rules. MAKEFLAGS := $(MAKEFLAGS)r # Generic rule for making directories. %/: # mkdir isn't smart enough to strip a trailing /. mkdir $(@:%/=%) # Make sure that object files are not removed # when they are intermediates between sources and library members. .PRECIOUS: $(addprefix $(objpfx)%,$(all-object-suffixes)) # Make sure that the parent library archive is never removed. .PRECIOUS: $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c)) # Use the verbose option of ar and tar when not running silently. ifeq "$(findstring s,$(MAKEFLAGS))" "" # if not -s verbose := v else # -s verbose := endif # not -s ARFLAGS := r$(verbose) CREATE_ARFLAGS := cru$(verbose) # This makes all the object files in the parent library archive. .PHONY: lib lib-noranlib lib: lib-noranlib $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c)) lib-noranlib: libobjs # For object-suffix $o, the list of objects with that suffix. # Makefiles can define `elide-routines.so = foo' to leave foo.so out. o-objects = $(patsubst %.o,%$o,$(filter-out $(patsubst %,$(objpfx)%.o,\ $(elide-routines$o)),\ $(objects))) others: $(addprefix $(objpfx),$(install-lib)) ifndef objects # Create the stamp$o files to keep the parent makefile happy. subdir_lib: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o) $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o): $(make-target-directory) rm -f $@; > $@ else # Define explicit rules to update each $(objpfx)stamp.SUFFIX # timestamp file; these rules (one explicit rule is generated for each # object suffix) write a list of objects to update in the stamp file. # The parent will then actually add them all to the archive in the # archive rule, below. define o-iterator-doit $(objpfx)stamp$o: $(o-objects); $$(do-stamp) endef define do-stamp echo '$(patsubst $(objpfx)%,$(addsuffix /,$(subdir))%,$^)' > $@T mv -f $@T $@ endef object-suffixes-left := $(object-suffixes-for-libc) include $(o-iterator) endif # Now define explicit rules to build the library archives; these depend # on the stamp files built above. define o-iterator-doit $(common-objpfx)$(patsubst %,$(libtype$o),c): \ $(subdirs-stamp-o) $(common-objpfx)stamp$o; $$(do-makelib) endef define do-makelib cd $(common-objdir) && \ $(AR) $(CREATE_ARFLAGS) $(@F) `cat $(patsubst $(common-objpfx)%,%,$^)` $(RANLIB) $@ endef subdirs-stamps := $(foreach d,$(subdirs),$(common-objpfx)$d/stamp%) subdirs-stamp-o = $(subst %,$o,$(subdirs-stamps)) ifndef subdir $(subdirs-stamps): subdir_lib; endif object-suffixes-left = $(object-suffixes-for-libc) include $(o-iterator) # This makes all the object files. .PHONY: objects objs libobjs extra-objs objects objs: libobjs extra-objs libobjs: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o) extra-objs: $(addprefix $(objpfx),$(extra-objs)) # Canned sequence for building an extra library archive. define build-extra-lib $(patsubst %/,cd % &&,$(objpfx)) \ $(AR) $(CREATE_ARFLAGS) $(@:$(objpfx)%=%) \ $(patsubst $(objpfx)%,%,$^) $(RANLIB) $@ endef # Installation. .PHONY: force-install force-install: # $(install-lib) are installed from the object directory into $(libdir); # files in $(install-lib) matching `lib%.a' are ranlib'd after installation # unless they also appear in $(non-lib.a). $(install-data) are installed # as they are into $(datadir). $(headers) are installed as they are in # $(includedir). $(install-bin) and $(install-sbin) are installed from the # object directory into $(bindir) and $(sbindir), respectively. # $(install-others) are absolute path names of files to install; rules to # install them are defined elsewhere. # The simple library name to install libc.a under. # This could be defined by a sysdep Makefile. ifndef libc-name libc-name := c endif define do-install $(make-target-directory) $(INSTALL_DATA) $< $@ endef # Make the target directory if it doesn't exist, using the `mkinstalldirs' # script that does `mkdir -p' even if `mkdir' doesn't support that flag. define make-target-directory $(addprefix $(..)./scripts/mkinstalldirs ,\ $(filter-out $(wildcard $(@D:%/=%)),$(@D:%/=%))) endef # Any directory (parent or subdir) should install libc.a; this way # "make install" in a subdir is guaranteed to install everything it changes. installed-libcs := $(foreach o,$(filter-out .os,$(object-suffixes-for-libc)),\ $(inst_libdir)/$(patsubst %,$(libtype$o),\ $(libprefix)$(libc-name))) install: $(installed-libcs) $(installed-libcs): $(inst_libdir)/lib$(libprefix)%: lib $(+force) $(make-target-directory) $(INSTALL_DATA) $(common-objpfx)lib$(*:$(libc-name)%=c%) $@ # Running ranlib after installing makes the __.SYMDEF time stamp up to # date, which avoids messages from some linkers. $(RANLIB) $@ define do-install-program $(make-target-directory) $(INSTALL_PROGRAM) $< $@.new mv -f $@.new $@ endef install-lib.so := $(filter %.so,$(install-lib:%_pic.a=%.so)) install-lib := $(filter-out %.so %_pic.a,$(install-lib)) ifeq (yes,$(build-shared)) # Find which .so's have versions. versioned := $(strip $(foreach so,$(install-lib.so),\ $(patsubst %,$(so),$($(so)-version)))) install-lib.so-versioned := $(filter $(versioned), $(install-lib.so)) install-lib.so-unversioned := $(filter-out $(versioned), $(install-lib.so)) install-lib-nosubdir: $(install-lib.so-versioned:%=$(inst_libdir)/%) \ $(install-lib.so-unversioned:%=$(inst_slibdir)/%) # Install all the unversioned shared libraries. $(install-lib.so-unversioned:%=$(inst_slibdir)/%): $(inst_slibdir)/%.so: \ $(objpfx)%.so $(+force) $(do-install-program) ifneq ($(findstring -s,$(LN_S)),) define make-link rm -f $@.new $(SHELL) $(..)scripts/rellns-sh $< $@.new mv -f $@.new $@ endef else # If we have no symbolic links don't bother with rellns-sh. define make-link rm -f $@.new $(LN_S) $< $@.new mv -f $@.new $@ endef endif ifeq (no,$(cross-compiling)) ifeq (yes,$(build-shared)) symbolic-link-prog := $(common-objpfx)elf/sln symbolic-link-list := $(common-objpfx)elf/symlink.list define make-shlib-link echo $(> $(symbolic-link-list) endef endif endif ifndef make-shlib-link define make-shlib-link rm -f $@ $(LN_S) $( libc.so.N (e.g. libc.so.6) # libc.so.6 -> libc-VERSION.so (e.g. libc-1.10.so) $(inst_slibdir)/libc.so$(libc.so-version): $(inst_slibdir)/libc-$(version).so \ $(+force) $(make-shlib-link) $(inst_slibdir)/libc-$(version).so: $(common-objpfx)libc.so $(+force) $(do-install-program) install: $(inst_slibdir)/libc.so$(libc.so-version) ifndef subdir # What we install as libc.so for programs to link against is in fact a # link script. It contains references for the various libraries we need. # The libc.so object is not complete since some functions are only defined # in libc_nonshared.a. # We need to use absolute paths since otherwise local copies (if they exist) # of the files are taken by the linker. install: $(inst_libdir)/libc.so $(inst_libdir)/libc.so: $(common-objpfx)libc.so$(libc.so-version) \ $(inst_libdir)/$(patsubst %,$(libtype.oS),\ $(libprefix)$(libc-name)) \ $(+force) (echo '/* GNU ld script';\ echo ' Use the shared library, but some functions are only in';\ echo ' the static library, so try that secondarily. */';\ echo 'GROUP ( $(slibdir)/libc.so$(libc.so-version)' \ '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)$(libc-name))'\ ')' \ ) > $@.new mv -f $@.new $@ endif else install: $(inst_slibdir)/libc.so $(inst_slibdir)/libc.so: $(common-objpfx)libc.so $(+force) $(do-install-program) endif ifneq (,$(versioned)) # Produce three sets of rules as above for all the smaller versioned libraries. define o-iterator-doit $(inst_libdir)/$o: $(inst_slibdir)/$o$($o-version) $(+force); $$(make-link) endef object-suffixes-left := $(versioned) include $(o-iterator) # Make symlinks in the build directory, because the versioned names might # be referenced by a DT_NEEDED in another library. define o-iterator-doit $(objpfx)$o$($o-version): $(objpfx)$o; $$(make-link) endef object-suffixes-left := $(versioned) include $(o-iterator) generated += $(foreach o,$(versioned),$o$($o-version)) ifeq (,$($(subdir)-version)) define o-iterator-doit $(inst_slibdir)/$o$($o-version): $(inst_slibdir)/$(o:.so=)-$(version).so \ $(+force); $$(make-shlib-link) endef object-suffixes-left := $(versioned) include $(o-iterator) define o-iterator-doit $(inst_slibdir)/$(o:.so=)-$(version).so: $(objpfx)$o $(+force); $$(do-install-program) endef object-suffixes-left := $(versioned) include $(o-iterator) else define o-iterator-doit $(inst_slibdir)/$o$($o-version): \ $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so $(+force); $$(make-shlib-link) endef object-suffixes-left := $(versioned) include $(o-iterator) define o-iterator-doit $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so: $(objpfx)$o $(+force); $$(do-install-program) endef object-suffixes-left := $(versioned) include $(o-iterator) endif endif define do-install-so $(do-install-program) $(patsubst %,ln -s -f $(@F) $(@D)/$(patsubst %$*.so,%,$(. Then we grovel over each # referenced source file to see what stub function it defines. ifdef objpfx .PHONY: stubs # The parent Makefile calls this target. stubs: $(objpfx)stubs endif s = $(sysdep_dir)/generic $(objpfx)stubs: $(+depfiles) # Use /dev/null since `...` might expand to empty. (s=`cd $s && /bin/pwd`; \ $(patsubst %/,cd % &&,$(objpfx)) \ sed -n 's/^stub_warning *(\([^)]*\).*$$/#define __stub_\1/p' \ `sed -n -e '\@ $s/[^ ]*\.c@{; s@^.* $s/\([^ ]*\.c\).*$$@'"$$s"'/\1@; h; }' \ -e '/stub-tag\.h/{; g; p; }' \ $(patsubst $(objpfx)%,%,$^) /dev/null` \ /dev/null) > $@T mv -f $@T $@ # Make the distribution tar file. .PHONY: dist dist: $(objpfx)distinfo $(..)Make-dist $(MAKE) -f $< -f $(word 2,$^) $(Make-dist-args) # Avoid depending on source files found in sysdeps dirs, # because the references affect implicit rule selection. dist: $(filter-out %.c %.S %.s,$(distribute)) # We used to simply export all these variables, but that frequently made the # environment get too large. Instead, we write all the information into # a generated makefile fragment `distinfo', and then include it with -f in # the sub-make that makes the distribution (above). $(objpfx)distinfo: Makefile $(..)Makerules \ $(wildcard $(foreach dir,$(sysdirs),$(dir)/Makefile)) $(make-target-directory) $(distinfo-vars) mv -f $@.new $@ .PHONY: subdir_distinfo subdir_distinfo: $(objpfx)distinfo define distinfo-vars rm -f $@.new echo > $@.new 'subdir := $(subdir)' $(foreach var,subdir-dirs sources elided-routines sysdep_routines \ headers sysdep_headers distribute dont_distribute generated \ others tests test-srcs extra-libs $(extra-libs:%=%-routines) \ tests-static versioned \ $(addprefix install-,lib lib.so data bin sbin others), echo >> $@.new '$(subdir)-$(var) := $($(var))' echo >> $@.new '$(var) = $$($(subdir)-$(var))') endef ifneq (,$(strip $(gpl2lgpl))) ifneq (,$(wildcard $(..)gpl2lgpl.sed)) # Snarf from the master source and frob the copying notice. $(gpl2lgpl): %: $(..)gpl2lgpl.sed /home/gd/gnu/lib/% sed -f $^ > $@-tmp # So I don't edit them by mistake. chmod a-w $@-tmp mv -f $@-tmp $@ ifeq ($(with-cvs),yes) test ! -d CVS || cvs $(CVSOPTS) commit -m'Updated from $^' $@ endif endif endif