diff options
Diffstat (limited to 'Makerules')
| -rw-r--r-- | Makerules | 2620 |
1 files changed, 1310 insertions, 1310 deletions
@@ -1,1310 +1,1310 @@ -# Copyright (C) 1991-1999,2000,01,02 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 Lesser General Public
-# License as published by the Free Software Foundation; either
-# version 2.1 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
-# Lesser General Public License for more details.
-
-# You should have received a copy of the GNU Lesser General Public
-# License along with the GNU C Library; 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
-
-sysdep-makefiles := $(wildcard $(full_config_sysdirs:=/Makefile))
-ifneq (,$(sysdep-makefiles))
-include $(sysdep-makefiles)
-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%,\
- $(before-compile))
-
-# Even before that, we need abi-versions.h which is generated right here.
-ifeq ($(versioning),yes)
-ifndef avoid-generated
-before-compile := $(common-objpfx)abi-versions.h $(before-compile)
-$(common-objpfx)abi-versions.h: $(..)scripts/abi-versions.awk \
- $(common-objpfx)Versions.all
- LC_ALL=C $(AWK) -v oldest_abi=$(oldest-abi) -f $^ > $@T
- mv -f $@T $@
-
-$(common-objpfx)%.latest: $(common-objpfx)abi-versions.h
- sed -n '/ VERSION_$*_/{s/^.*_\([A-Z0-9_]*\).*$$/\1/;h;};$${g;p;}' \
- $(common-objpfx)abi-versions.h > $@T
- mv -f $@T $@
-endif # avoid-generated
-endif # $(versioning) = yes
-
-# When we have no deps pass doing it, then make sure the subdirectory
-# for object files gets created.
-ifdef no_deps
-ifdef objpfx
-before-compile += $(objpfx).
-$(objpfx).:
- $(make-target-directory)
-endif
-endif
-
-# 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
-
-# If a makefile needs to do something conditional on something that
-# can only be figured out from headers, write a FOO.make.c input
-# file that uses cpp contructs and contains @@@ LINE @@@ for each LINE
-# to emit in the generated makefile, and use -include $(common-objpfx)FOO.make.
-$(common-objpfx)%.make: $(..)%.make.c $(..)Makerules
- rm -f $@T $@.dT
- (echo '# Generated from $*.make.c by Makerules.'; \
- SUNPRO_DEPENDENCIES='$@.dT $$(common-objpfx)$*.make' \
- $(CC) $(CFLAGS) $(CPPFLAGS) -E $< \
- | sed -n '/@@@/{s/@@@[ ]*\(.*\)@@@/\1/;s/[ ]*$$//p;}'; \
- echo 'common-generated += $(@F)'; \
- sed $(sed-remove-objpfx) $@.dT; rm -f $@.dT) > $@T
- mv -f $@T $@
-
-# Generate an ordered list of implicit rules which find the source files in
-# each sysdep directory. The old method was to use vpath to search all the
-# sysdep directories. However, that had the problem that a .S file in a
-# later directory would be chosen over a .c file in an earlier directory,
-# which does not preserve the desired sysdeps ordering behavior.
-
-# When making the list of .d files to include, we can't know which ones
-# have source in .s files, and thus do not in fact need a .d file.
-# So we must define rules to make .d files for .s files.
-define make-dummy-dep
-$(addprefix ln $(common-objpfx)dummy.d ,$(filter-out $(wildcard $@),$@))
-endef
-$(common-objpfx)dummy.d:
- echo '# .s files cannot contain includes, so they need no deps.' > $@
-
-# It matters that this set of rules, for compiling from sources in
-# the current directory (the $srcdir/$subdir) come before the
-# generated sysdep rules in included from sysd-rules below. When
-# compiling in the source tree, generated sources go into the current
-# directory, and those should be chosen before any sources in sysdeps.
-define o-iterator-doit
-$(objpfx)%$o: %.S $(before-compile); $$(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
-
--include $(+sysdir_pfx)sysd-rules
-ifneq ($(sysd-rules-sysdirs),$(config-sysdirs))
-# The value of $(+sysdep_dirs) the sysd-rules was computed for
-# differs from the one we are using now. So force a rebuild of sysd-rules.
-sysd-rules-force = FORCE
-FORCE:
-endif
-$(+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: $$dir/%.s \$$(before-compile); \
- \$$(compile-command.s)"; \
- echo "\$$(objpfx)rtld-%$$o: $$dir/%.S \$$(before-compile); \
- \$$(compile-command.S)"; \
- echo "\$$(objpfx)rtld-%$$o: $$dir/%.s \$$(before-compile); \
- \$$(compile-command.s)"; \
- echo "\$$(objpfx)ptw-%$$o: $$dir/%.S \$$(before-compile); \
- \$$(compile-command.S)"; \
- echo "\$$(objpfx)ptw-%$$o: $$dir/%.s \$$(before-compile); \
- \$$(compile-command.s)"; \
- $(close-check-inhibit-asm) \
- echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \
- \$$(compile-command.c)"; \
- echo "\$$(objpfx)rtld-%$$o: $$dir/%.c \$$(before-compile); \
- \$$(compile-command.c)"; \
- echo "\$$(objpfx)ptw-%$$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)rtld-%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \
- \$$(make-dummy-dep)"; \
- echo "\$$(objpfx)ptw-%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \
- \$$(make-dummy-dep)"; \
- echo "\$$(objpfx)%.d: $$dir/%.S \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)rtld-%.d: $$dir/%.S \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)ptw-%.d: $$dir/%.S \$$(before-compile); \
- \$$(+make-deps)"; \
- $(close-check-inhibit-asm) \
- echo "\$$(objpfx)%.d: $$dir/%.c \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)rtld-%.d: $$dir/%.c \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)ptw-%.d: $$dir/%.c \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)m_%.S: $$dir/s_%.S; \$$(+make-include-of-dep)"; \
- echo "\$$(objpfx)m_%.c: $$dir/s_%.c; \$$(+make-include-of-dep)"; \
- done; \
- echo 'sysd-rules-done = t') > $@T
- mv -f $@T $@
-
-ifndef sysd-rules-done
-# Don't do deps until this exists, because it provides rules to make the deps.
-no_deps=t
-endif
-
-# This is used by the m_%.[Sc] pattern rules in sysd-rules.
-define +make-include-of-dep
-echo '#include <$<>' > $@T
-mv -f $@T $@
-endef
-
-# Generate version maps, but wait until sysdep-subdirs is known
-ifeq ($(sysd-sorted-done),t)
-ifeq ($(versioning),yes)
--include $(common-objpfx)sysd-versions
-$(addprefix $(common-objpfx),$(version-maps)): $(common-objpfx)sysd-versions
-common-generated += $(version-maps)
-postclean-generated += sysd-versions Versions.all abi-versions.h \
- Versions.def.v.i Versions.def.v Versions.v.i Versions.v
-
-ifndef avoid-generated
-ifneq ($(sysd-versions-subdirs),$(all-subdirs) $(config-sysdirs))
-sysd-versions-force = FORCE
-FORCE:
-endif
-# See %.v/%.v.i implicit rules in Makeconfig.
-$(common-objpfx)Versions.def.v.i: $(..)Versions.def \
- $(wildcard $(add-ons:%=$(..)%/Versions.def))
-$(common-objpfx)Versions.all: $(..)scripts/firstversions.awk \
- $(common-objpfx)soversions.i \
- $(common-objpfx)Versions.def.v
- { while read lib version setname; do \
- test -z "$$setname" || echo "$$lib : $$setname"; \
- done < $(word 2,$^); \
- cat $(word 3,$^); \
- } | LC_ALL=C $(AWK) -f $< > $@T
- mv -f $@T $@
-# See %.v/%.v.i implicit rules in Makeconfig.
-$(common-objpfx)Versions.v.i: $(wildcard $(all-subdirs:%=$(..)%/Versions)) \
- $(wildcard $(sysdirs:%=%/Versions)) \
- $(common-objpfx)abi-versions.h \
- $(sysd-versions-force)
-$(common-objpfx)sysd-versions: $(common-objpfx)Versions.all \
- $(common-objpfx)Versions.v \
- $(..)scripts/versions.awk
- ( echo 'sysd-versions-subdirs = $(all-subdirs) $(config-sysdirs)' ; \
- cat $(word 2,$^) \
- | LC_ALL=C $(AWK) -v buildroot=$(common-objpfx) -v defsfile=$< \
- -v move_if_change='$(move-if-change)' \
- -f $(word 3,$^); \
- ) > $@T
- mv -f $@T $@
-endif # avoid-generated
-endif # $(versioning) = yes
-endif # sysd-sorted-done
-
-
-ifndef compile-command.S
-compile-command.S = $(compile.S) $(OUTPUT_OPTION)
-endif
-ifndef compile-command.s
-compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION)
-endif
-ifndef compile-command.c
-compile-command.c = $(compile.c) $(OUTPUT_OPTION)
-endif
-
-# GCC can grok options after the file name, and it looks nicer that way.
-compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS)
-compile.S = \
- $(CC) $< -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@))
-COMPILE.S = \
- $(CC) -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@))
-COMPILE.s = $(filter-out -pipe,$(CC)) -c $(ASFLAGS)
-
-# If we want to generate MD5 checksums for the sources do this now.
-ifeq ($(md5),yes)
-generate-md5 = ; rm -f $(@:.d=.md5); \
-$(CC) -E $< $(CFLAGS) $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | \
-sed '/^\#/d;/^[[:space:]]*$$/d' | md5sum > $(@:.d=.md5)
-else
-generate-md5 =
-endif
-
-# 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 $@
-
-# We need the $(CFLAGS) to be in there to have the right predefines during
-# the dependency run for C sources. But having it for assembly sources can
-# get the wrong predefines.
-S-CPPFLAGS = $(asm-CPPFLAGS)
-define +make-deps
-$(make-target-directory)
-$(+mkdep) $< $(if $(filter %.c,$<),$(CFLAGS)) \
- $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | sed \
--e 's,$(subst .,\.,$*)\.o,$(foreach o,$(all-object-suffixes),$(@:.d=$o)) $@,' \
-$(sed-remove-objpfx) > $(@:.d=.T)
-mv -f $(@:.d=.T) $@ $(generate-md5)
-endef
-ifneq (,$(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
-
-# Modify the list of routines we build for different targets
-
-ifeq (yesyes,$(build-shared)$(elf))
-ifndef libc.so-version
-# Undefine this because it can't work when we libc.so is unversioned.
-static-only-routines =
-endif
-endif
-
-# Bounded pointer thunks are only built for *.ob
-elide-bp-thunks = $(addprefix $(bppfx),$(bp-thunks))
-
-elide-routines.oS += $(filter-out $(static-only-routines),\
- $(routines) $(aux) $(sysdep_routines)) \
- $(elide-bp-thunks)
-elide-routines.os += $(static-only-routines) $(elide-bp-thunks)
-
-# 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-bp-thunks)
-elide-routines.op += $(shared-only-routines) $(elide-bp-thunks)
-elide-routines.og += $(shared-only-routines) $(elide-bp-thunks)
-elide-routines.ob += $(shared-only-routines)
-
-# Shared library building.
-
-ifeq (yes,$(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) $(+interp)
-ifneq (,$(findstring aix,$(config-os)))
- (echo '#!'; \
- dump -g $< | sed '1,6d' | cut -f2 | sort | uniq) > $(<:a=exp)
-endif
- $(build-shlib)
-
-ifeq ($(elf),yes)
-define build-shlib-helper
-$(LINK.o) -shared $(static-libgcc) -Wl,-O1 $(sysdep-LDFLAGS) $(config-LDFLAGS) \
- $(extra-B-$(@F:lib%.so=%).so) -B$(csu-objpfx) \
- $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \
- -Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \
- $(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \
- -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link)
-endef
-else
-ifneq (,$(findstring aix,$(config-os)))
-define build-shlib-helper
-$(LINK.o) -Wl,-G,-bM:SRE,-bnoentry,-bE:$(<:a=exp) \
- $(sysdep-LDFLAGS) $(config-LDFLAGS) $(extra-B-$(@F:lib%.so=%).so) \
- $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \
- $(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \
- -L$(subst :, -L,$(rpath-link))
-endef
-else
-endif
-endif
-
-ifeq (yes,$(elf))
-# binutils only position loadable notes into the first page for binaries,
-# not for shared objects
-define build-shlib
-$(build-shlib-helper) \
- -o $@.new $(csu-objpfx)abi-note.o -Wl,--verbose \
- $(LDLIBS-$(@F:lib%.so=%).so) 2>&1 | \
- sed -e '/^=========/,/^=========/!d;/^=========/d' \
- -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \
- $(LDSEDCMD-$(@F:lib%.so=%).so) > $@.lds
-rm -f $@.new
-$(build-shlib-helper) -o $@ -T $@.lds \
- $(csu-objpfx)abi-note.o $(build-shlib-objlist)
-rm -f $@.lds
-endef
-else
-ifneq (,$(findstring aix,$(config-os)))
-define build-shlib
-$(build-shlib-helper) \
- -o $@ \
- $(filter-out $(map-file) $(+preinit) $(+postinit),$^) \
- $(no-whole-archive) $(LDLIBS-$(@F:lib%.so=%).so)
-endef
-define build-shlib
-$(build-shlib-helper) \
- $(build-shlib-objlist)
-endef
-endif
-endif
-
-ifneq (,$(findstring aix,$(config-os)))
-define build-module-helper
-$(LINK.o) -Wl,-G -Wl,-bM:SRE -Wl,-bnoentry -Wl,-bexpall \
- $(sysdep-LDFLAGS) $(config-LDFLAGS) \
- $(load-map-file) \
- $(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \
- -L$(subst :, -L,$(rpath-link)) -Wl,-L=$(rpath-link)
-endef
-else
-define build-module-helper
-$(LINK.o) -shared $(static-libgcc) $(sysdep-LDFLAGS) $(config-LDFLAGS) \
- -B$(csu-objpfx) $(load-map-file) \
- $(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \
- -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link)
-endef
-endif
-
-# This macro is similar to build-shlib but it does not define a soname
-# and it does not depend on the destination name to start with `lib'.
-ifeq (yes,$(elf))
-# binutils only position loadable notes into the first page for binaries,
-# not for shared objects
-define build-module
-$(build-module-helper) \
- -o $@.new $(csu-objpfx)abi-note.o -Wl,--verbose \
- $(LDLIBS-$(@F:lib%.so=%).so) 2>&1 | \
- sed -e '/^=========/,/^=========/!d;/^=========/d' \
- -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \
- > $@.lds
-rm -f $@.new
-$(build-module-helper) -o $@ -T $@.lds \
- $(csu-objpfx)abi-note.o $(build-module-objlist)
-rm -f $@.lds
-endef
-else
-ifneq (,$(findstring aix,$(config-os)))
-define build-module
-$(build-module-helper) \
- -o $@ \
- $(filter-out $(map-file) $(+preinit) $(+postinit),$^) \
- $(no-whole-archive) $(LDLIBS-$(@F:%.so=%).so)
-endef
-else
-define build-module
-define build-module
-$(build-module-helper) \
- -o $@ \
- $(build-module-objlist)
-endef
-endif
-endif
-
-build-module-helper-objlist = \
- $(patsubst %_pic.a,$(whole-archive) %_pic.a $(no-whole-archive),\
- $(filter-out $(map-file) $(+preinit) $(+postinit),$^))
-whole-archive := -Wl,--whole-archive
-
-build-module-objlist = $(build-module-helper-objlist) $(LDLIBS-$(@F:%.so=%).so)
-build-shlib-objlist = $(build-module-helper-objlist) \
- $(LDLIBS-$(@F:lib%.so=%).so)
-
-# 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 += $(gnulib)
-# Give libc.so an entry point and make it directly runnable itself.
-LDFLAGS-c.so += -e __libc_main
-# Force the backward compatibility EH functions to be linked.
-LDFLAGS-c.so += -u __register_frame
-# Pre-link the objects of libc_pic.a so that we can locally resolve
-# COMMON symbols before we link against ld.so. This is because ld.so
-# contains some of libc_pic.a already, which will prevent the COMMONs
-# from being allocated in libc.so, which introduces evil dependencies
-# between libc.so and ld.so, which can make it impossible to upgrade.
-ifeq ($(elf),yes)
-$(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a
- $(LINK.o) -nostdlib -nostartfiles -r -o $@ \
- $(LDFLAGS-c_pic.os) -Wl,-d -Wl,--whole-archive $^
-LDSEDCMD-c.so = -e 's/^.*\*(\.dynbss).*$$/& __start___libc_freeres_ptrs = .; *(__libc_freeres_ptrs) __stop___libc_freeres_ptrs = .;/'
-# 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
-else
-ifneq (,$(findstring aix,$(config-os)))
-$(common-objpfx)libc.so: $(common-objpfx)libc_pic.a
- @rm -f $@
- (echo '#!'; \
- dump -g $^ | sed '1,6d' | cut -f2 | sort | uniq) > $(^:a=exp)
- sed '/__mulh/d;/__mull/d;/__divss/d;/__divus/d;/__quoss/d;/__quous/d' \
- /lib/syscalls.exp > $(common-objpfx)syscalls.exp
- $(LINK.o) -G -bM:SRE -bnoentry -bE:$(^:a=exp) \
- -bE:$(common-objpfx)syscalls.exp \
- -bI:$(common-objpfx)syscalls.exp \
- -L$(common-objpfx) -o $@ $^
-# AIX runtime ld wants libc.so to be libc.a(shr.o) hardwired
- cp $@ $(common-objpfx)shr.o
- $(AR) $(ARFLAGS) $(common-objpfx)libc.a $(common-objpfx)shr.o
-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".
-# We also add bounded-pointer thunks, which are later
-# elided for all suffixes except for `.ob'.
-override objects := $(addprefix $(objpfx),$(sources:.c=.o) \
- $(patsubst %,$(bppfx)%.o,\
- $(filter $(routines) $(sysdep_routines),$(bp-thunks))))
-
-
-# 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) $(xtests) $(test-srcs))
-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))) \
- $(addprefix $(objpfx),$(o-objects$o))
-
-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), $(install-bin-script) and $(install-sbin)
-# are installed from the object directory into $(bindir), $(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
-
-define do-install-script
-$(make-target-directory)
-$(INSTALL_SCRIPT) $< $@.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 (yes,$(build-shared))
-ifeq (no,$(cross-compiling))
-symbolic-link-prog := $(common-objpfx)elf/sln
-symbolic-link-list := $(common-objpfx)elf/symlink.list
-define make-shlib-link
-echo $(<F) $@ >> $(symbolic-link-list)
-endef
-else # cross-compiling
-# We need a definition that can be used by elf/Makefile's install rules.
-symbolic-link-prog = $(LN_S)
-endif
-endif
-ifndef make-shlib-link
-define make-shlib-link
-rm -f $@
-$(LN_S) $(<F) $@
-endef
-endif
-
-ifdef libc.so-version
-# For a library specified to be version N, install three files:
-# libc.so -> 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)
-
-# This fragment of linker script gives the OUTPUT_FORMAT statement
-# for the configuration we are building. We put this statement into
-# the linker scripts we install for -lc et al so that they will not be
-# used by a link for a different format on a multi-architecture system.
-$(common-objpfx)format.lds: $(..)scripts/output-format.sed \
- $(common-objpfx)config.make \
- $(common-objpfx)config.h $(..)Makerules
- $(LINK.o) -shared $(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS.so) \
- -x c /dev/null -o $@.so -Wl,--verbose -v 2>&1 \
- | sed -n -f $< > $@.new
- rm -f $@.so
- mv -f $@.new $@
-common-generated += format.lds
-
-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)format.lds \
- $(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. */';\
- cat $<; \
- 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 %$*.so,%,$(<F))$(libprefix)$*.so,\
- $(filter-out %.so,$@))
-endef
-
-so-versions := $(sort $(foreach so,$(install-lib.so),.so$($(so)-version)))
-$(foreach v,$(so-versions),\
- $(inst_slibdir)/lib$(libprefix)%$v): $(common-objpfx)lib%.so \
- $(+force)
- $(do-install-so)
-$(foreach v,$(so-versions),\
- $(inst_slibdir)/$(libprefix)%$v): $(common-objpfx)%.so $(+force)
- $(do-install-so)
-endif
-
-ifdef install-bin
-$(addprefix $(inst_bindir)/,$(install-bin)): \
- $(inst_bindir)/%: $(objpfx)% $(+force)
- $(do-install-program)
-endif
-ifdef install-bin-script
-$(addprefix $(inst_bindir)/,$(install-bin-script)): \
- $(inst_bindir)/%: $(objpfx)% $(+force)
- $(do-install-script)
-endif
-ifdef install-rootsbin
-$(addprefix $(inst_rootsbindir)/,$(install-rootsbin)): \
- $(inst_rootsbindir)/%: $(objpfx)% $(+force)
- $(do-install-program)
-endif
-ifdef install-sbin
-$(addprefix $(inst_sbindir)/,$(install-sbin)): \
- $(inst_sbindir)/%: $(objpfx)% $(+force)
- $(do-install-program)
-endif
-ifdef install-lib
-install-lib.a := $(filter lib%.a,$(install-lib))
-install-lib-non.a := $(filter-out lib%.a,$(install-lib))
-ifdef install-lib-non.a
-$(addprefix $(inst_libdir)/$(libprefix),$(install-lib-non.a)): \
- $(inst_libdir)/$(libprefix)%: $(objpfx)% $(+force)
- $(do-install)
-endif
-ifdef install-lib.a
-$(install-lib.a:lib%.a=$(inst_libdir)/lib$(libprefix)%.a): \
- $(inst_libdir)/lib$(libprefix)%.a: $(objpfx)lib%.a $(+force)
- $(do-install)
- $(patsubst %,$(RANLIB) $@,$(filter-out $(non-lib.a),$(<F)))
-endif
-endif
-ifdef install-data
-$(addprefix $(inst_datadir)/,$(install-data)): $(inst_datadir)/%: % $(+force)
- $(do-install)
-endif
-headers := $(strip $(headers))
-ifdef headers
-$(addprefix $(inst_includedir)/,$(headers)): $(inst_includedir)/%: % $(+force)
- $(do-install)
-endif # headers
-
-.PHONY: install-bin-nosubdir install-bin-script-nosubdir \
- install-rootsbin-nosubdir install-sbin-nosubdir install-lib-nosubdir \
- install-data-nosubdir install-headers-nosubdir
-install-bin-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin))
-install-bin-script-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin-script))
-install-rootsbin-nosubdir: \
- $(addprefix $(inst_rootsbindir)/,$(install-rootsbin))
-install-sbin-nosubdir: $(addprefix $(inst_sbindir)/,$(install-sbin))
-install-lib-nosubdir: $(addprefix $(inst_libdir)/,\
- $(patsubst lib%.a,lib$(libprefix)%.a,$(install-lib.a)) \
- $(addprefix $(libprefix),$(install-lib-non.a)))
-install-data-nosubdir: $(addprefix $(inst_datadir)/,$(install-data))
-install-headers-nosubdir: $(addprefix $(inst_includedir)/,$(headers))
-install-others-nosubdir: $(install-others)
-
-# We need all the `-nosubdir' targets so that `install' in the parent
-# doesn't depend on several things which each iterate over the subdirs.
-# This rule makes `install-FOO' always use `install-FOO-nosubdir' as a
-# subroutine. Then in the parent `install-FOO' also causes subdir makes.
-install-%:: install-%-nosubdir ;
-
-.PHONY: install install-no-libc.a-nosubdir
-ifeq ($(build-programs),yes)
-install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\
- install-bin-nosubdir install-bin-script-nosubdir \
- install-lib-nosubdir install-others-nosubdir \
- install-rootsbin-nosubdir install-sbin-nosubdir
-else
-install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\
- install-lib-nosubdir install-others-nosubdir
-endif
-install: install-no-libc.a-nosubdir
-
-# Command to compile $< in $(objdir) using the native libraries.
-define native-compile
-$(make-target-directory)
-$(patsubst %/,cd % &&,$(objpfx)) \
-$(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \
- $(firstword $(filter /%,$< $(shell pwd)/$<)) -o $(@F)
-endef
-
-# Command to compile $< in $(common-objdir) using the native libraries.
-# We must cd to $(objdir) anyway so that $(..)config.h is valid.
-define common-objdir-compile
-$(patsubst %/,cd % &&,$(objpfx)) \
-$(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \
- $(firstword $(filter /%,$< $(shell pwd)/$<)) -o $(..)$(@F)
-endef
-
-# We always want to use configuration definitions.
-# Note that this is only used for commands running in $(objpfx).
-ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) -include $(..)config.h
-
-# Support the GNU standard name for this target.
-.PHONY: check
-check: tests
-# Special target to run tests which cannot be run unconditionally.
-# Maintainers should use this target.
-.PHONY: xcheck
-xcheck: xtests
-
-all-nonlib = $(strip $(tests) $(xtests) $(test-srcs) $(test-extras) $(others))
-ifneq (,$(all-nonlib))
-cpp-srcs-left = $(all-nonlib:=.c)
-lib := nonlib
-include $(patsubst %,$(..)cppflags-iterator.mk,$(all-nonlib))
-endif
-
-# The include magic above causes those files to use this variable for flags.
-CPPFLAGS-nonlib = -DNOT_IN_libc=1
-
-
-ifeq ($(versioning),yes)
-# Generate normalized lists of symbols, versions, and data sizes.
-# This is handy for checking against existing library binaries.
-
-%.symlist: $(..)scripts/abilist.awk %.dynsym
- LC_ALL=C $(AWK) -f $^ > $@T
- mv -f $@T $@
-
-%.dynsym: %.so
- $(OBJDUMP) --dynamic-syms $< > $@T
- mv -f $@T $@
-
-vpath %.symlist $(objpfx) $(common-objpfx)
-check-abi-%: $(..)scripts/extract-abilist.awk $(common-objpfx)config.make \
- %.abilist %.symlist
- LC_ALL=C \
- $(AWK) -f $< \
- -v 'config=$(config-machine)-$(config-vendor)-$(config-os)' \
- $(filter %.abilist,$^) \
- | diff -pu0 - $(filter %.symlist,$^)
-
-update-abi-%: $(..)scripts/merge-abilist.awk %.abilist %.symlist
-ifndef update-abi-config
- @echo 'Run $(MAKE) $@ update-abi-config=REGEXP'; exit 2
-else
- LC_ALL=C $(AWK) -v config=$(update-abi-config) -f $^ > $*.abilist.new
- mv -f $*.abilist.new $*.abilist
- @echo '*** Now check $*.abilist changes for correctness ***'
-endif
-
-.PHONY: update-abi check-abi
-update-abi: $(patsubst %.so,update-abi-%,$(install-lib.so-versioned))
-check-abi: $(patsubst %.so,check-abi-%,$(install-lib.so-versioned))
-ifdef subdir
-subdir_check-abi: check-abi
-subdir_update-abi: update-abi
-else
-check-abi: subdir_check-abi
-update-abi: subdir_update-abi
-endif
-
-# Enable this well all the .abilist files are in place.
-#tests: check-abi
-generated += $(install-lib.so-versioned:.so=.symlist)
-
-ifeq ($(subdir),elf)
-check-abi: check-abi-libc
-update-abi: update-abi-libc
-common-generated += libc.symlist
-endif
-
-endif
-
-.PHONY: TAGS
-TAGS: $(objpfx)distinfo $(..)MakeTAGS
- $(MAKE) $(addprefix -f ,$^) $@
-
-$(..)po/%.pot: $(objpfx)distinfo $(..)MakeTAGS FORCE
- $(MAKE) $(addprefix -f ,$(filter-out FORCE,$^)) $@
-FORCE:
-
-
-.PHONY: echo-headers
-echo-headers:
- @echo $(headers)
-
-
-# Common cleaning targets.
-
-.PHONY: common-mostlyclean common-clean mostlyclean clean do-tests-clean
-clean: common-clean
-mostlyclean: common-mostlyclean
-
-do-tests-clean:
- -rm -f $(addprefix $(objpfx),$(addsuffix .out,$(tests) $(xtests) \
- $(test-srcs)) \
- $(addsuffix -bp.out,$(tests) $(xtests) \
- $(test-srcs)))
-
-# Remove the object files.
-common-mostlyclean:
- -rm -f $(addprefix $(objpfx),$(tests) $(xtests) $(test-srcs) \
- $(others) $(sysdep-others) stubs \
- $(addsuffix .o,$(tests) $(xtests) \
- $(test-srcs) $(others) \
- $(sysdep-others)) \
- $(addsuffix -bp,$(tests) $(xtests) \
- $(test-srcs)) \
- $(addsuffix .out,$(tests) $(xtests) \
- $(test-srcs)) \
- $(addsuffix -bp.out,$(tests) $(xtests) \
- $(test-srcs)))
- -rm -f $(addprefix $(objpfx),$(extra-objs) $(install-lib) \
- $(install-lib.so) \
- $(install-lib.so:%.so=%_pic.a))
- -rm -f core
- -rm -f $(objpfx)rtld-*.os
- $(rmobjs)
-define rmobjs
-$(foreach o,$(object-suffixes-for-libc),
--rm -f $(objpfx)stamp$o $(o-objects))
-endef
-
-# Also remove the dependencies and generated source files.
-common-clean: common-mostlyclean
- -rm -f $(addprefix $(objpfx),$(generated)) $(+depfiles)
- -rm -f $(objpfx)rtld-*.d
- -rm -fr $(addprefix $(objpfx),$(generated-dirs))
- -rm -f $(addprefix $(common-objpfx),$(common-generated))
- -rm -f $(objpfx)distinfo
-
-# Produce a file `stubs' which contains `#define __stub_FUNCTION'
-# for each function which is a stub. We grovel over all the .d files
-# looking for references to <stub-tag.h>. 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 && $(PWD_P)`; \
- $(patsubst %/,cd % &&,$(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 xtests test-srcs extra-libs versioned \
- $(extra-libs:%=%-routines) \
- $(addprefix install-,lib lib.so data bin bin-script 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
-
-# Local Variables:
-# mode: makefile
-# End:
+# Copyright (C) 1991-1999,2000,01,02 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 Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 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 +# Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library; 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 + +sysdep-makefiles := $(wildcard $(full_config_sysdirs:=/Makefile)) +ifneq (,$(sysdep-makefiles)) +include $(sysdep-makefiles) +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%,\ + $(before-compile)) + +# Even before that, we need abi-versions.h which is generated right here. +ifeq ($(versioning),yes) +ifndef avoid-generated +before-compile := $(common-objpfx)abi-versions.h $(before-compile) +$(common-objpfx)abi-versions.h: $(..)scripts/abi-versions.awk \ + $(common-objpfx)Versions.all + LC_ALL=C $(AWK) -v oldest_abi=$(oldest-abi) -f $^ > $@T + mv -f $@T $@ + +$(common-objpfx)%.latest: $(common-objpfx)abi-versions.h + sed -n '/ VERSION_$*_/{s/^.*_\([A-Z0-9_]*\).*$$/\1/;h;};$${g;p;}' \ + $(common-objpfx)abi-versions.h > $@T + mv -f $@T $@ +endif # avoid-generated +endif # $(versioning) = yes + +# When we have no deps pass doing it, then make sure the subdirectory +# for object files gets created. +ifdef no_deps +ifdef objpfx +before-compile += $(objpfx). +$(objpfx).: + $(make-target-directory) +endif +endif + +# 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 + +# If a makefile needs to do something conditional on something that +# can only be figured out from headers, write a FOO.make.c input +# file that uses cpp contructs and contains @@@ LINE @@@ for each LINE +# to emit in the generated makefile, and use -include $(common-objpfx)FOO.make. +$(common-objpfx)%.make: $(..)%.make.c $(..)Makerules + rm -f $@T $@.dT + (echo '# Generated from $*.make.c by Makerules.'; \ + SUNPRO_DEPENDENCIES='$@.dT $$(common-objpfx)$*.make' \ + $(CC) $(CFLAGS) $(CPPFLAGS) -E $< \ + | sed -n '/@@@/{s/@@@[ ]*\(.*\)@@@/\1/;s/[ ]*$$//p;}'; \ + echo 'common-generated += $(@F)'; \ + sed $(sed-remove-objpfx) $@.dT; rm -f $@.dT) > $@T + mv -f $@T $@ + +# Generate an ordered list of implicit rules which find the source files in +# each sysdep directory. The old method was to use vpath to search all the +# sysdep directories. However, that had the problem that a .S file in a +# later directory would be chosen over a .c file in an earlier directory, +# which does not preserve the desired sysdeps ordering behavior. + +# When making the list of .d files to include, we can't know which ones +# have source in .s files, and thus do not in fact need a .d file. +# So we must define rules to make .d files for .s files. +define make-dummy-dep +$(addprefix ln $(common-objpfx)dummy.d ,$(filter-out $(wildcard $@),$@)) +endef +$(common-objpfx)dummy.d: + echo '# .s files cannot contain includes, so they need no deps.' > $@ + +# It matters that this set of rules, for compiling from sources in +# the current directory (the $srcdir/$subdir) come before the +# generated sysdep rules in included from sysd-rules below. When +# compiling in the source tree, generated sources go into the current +# directory, and those should be chosen before any sources in sysdeps. +define o-iterator-doit +$(objpfx)%$o: %.S $(before-compile); $$(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 + +-include $(+sysdir_pfx)sysd-rules +ifneq ($(sysd-rules-sysdirs),$(config-sysdirs)) +# The value of $(+sysdep_dirs) the sysd-rules was computed for +# differs from the one we are using now. So force a rebuild of sysd-rules. +sysd-rules-force = FORCE +FORCE: +endif +$(+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: $$dir/%.s \$$(before-compile); \ + \$$(compile-command.s)"; \ + echo "\$$(objpfx)rtld-%$$o: $$dir/%.S \$$(before-compile); \ + \$$(compile-command.S)"; \ + echo "\$$(objpfx)rtld-%$$o: $$dir/%.s \$$(before-compile); \ + \$$(compile-command.s)"; \ + echo "\$$(objpfx)ptw-%$$o: $$dir/%.S \$$(before-compile); \ + \$$(compile-command.S)"; \ + echo "\$$(objpfx)ptw-%$$o: $$dir/%.s \$$(before-compile); \ + \$$(compile-command.s)"; \ + $(close-check-inhibit-asm) \ + echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \ + \$$(compile-command.c)"; \ + echo "\$$(objpfx)rtld-%$$o: $$dir/%.c \$$(before-compile); \ + \$$(compile-command.c)"; \ + echo "\$$(objpfx)ptw-%$$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)rtld-%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \ + \$$(make-dummy-dep)"; \ + echo "\$$(objpfx)ptw-%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \ + \$$(make-dummy-dep)"; \ + echo "\$$(objpfx)%.d: $$dir/%.S \$$(before-compile); \ + \$$(+make-deps)"; \ + echo "\$$(objpfx)rtld-%.d: $$dir/%.S \$$(before-compile); \ + \$$(+make-deps)"; \ + echo "\$$(objpfx)ptw-%.d: $$dir/%.S \$$(before-compile); \ + \$$(+make-deps)"; \ + $(close-check-inhibit-asm) \ + echo "\$$(objpfx)%.d: $$dir/%.c \$$(before-compile); \ + \$$(+make-deps)"; \ + echo "\$$(objpfx)rtld-%.d: $$dir/%.c \$$(before-compile); \ + \$$(+make-deps)"; \ + echo "\$$(objpfx)ptw-%.d: $$dir/%.c \$$(before-compile); \ + \$$(+make-deps)"; \ + echo "\$$(objpfx)m_%.S: $$dir/s_%.S; \$$(+make-include-of-dep)"; \ + echo "\$$(objpfx)m_%.c: $$dir/s_%.c; \$$(+make-include-of-dep)"; \ + done; \ + echo 'sysd-rules-done = t') > $@T + mv -f $@T $@ + +ifndef sysd-rules-done +# Don't do deps until this exists, because it provides rules to make the deps. +no_deps=t +endif + +# This is used by the m_%.[Sc] pattern rules in sysd-rules. +define +make-include-of-dep +echo '#include <$<>' > $@T +mv -f $@T $@ +endef + +# Generate version maps, but wait until sysdep-subdirs is known +ifeq ($(sysd-sorted-done),t) +ifeq ($(versioning),yes) +-include $(common-objpfx)sysd-versions +$(addprefix $(common-objpfx),$(version-maps)): $(common-objpfx)sysd-versions +common-generated += $(version-maps) +postclean-generated += sysd-versions Versions.all abi-versions.h \ + Versions.def.v.i Versions.def.v Versions.v.i Versions.v + +ifndef avoid-generated +ifneq ($(sysd-versions-subdirs),$(all-subdirs) $(config-sysdirs)) +sysd-versions-force = FORCE +FORCE: +endif +# See %.v/%.v.i implicit rules in Makeconfig. +$(common-objpfx)Versions.def.v.i: $(..)Versions.def \ + $(wildcard $(add-ons:%=$(..)%/Versions.def)) +$(common-objpfx)Versions.all: $(..)scripts/firstversions.awk \ + $(common-objpfx)soversions.i \ + $(common-objpfx)Versions.def.v + { while read lib version setname; do \ + test -z "$$setname" || echo "$$lib : $$setname"; \ + done < $(word 2,$^); \ + cat $(word 3,$^); \ + } | LC_ALL=C $(AWK) -f $< > $@T + mv -f $@T $@ +# See %.v/%.v.i implicit rules in Makeconfig. +$(common-objpfx)Versions.v.i: $(wildcard $(all-subdirs:%=$(..)%/Versions)) \ + $(wildcard $(sysdirs:%=%/Versions)) \ + $(common-objpfx)abi-versions.h \ + $(sysd-versions-force) +$(common-objpfx)sysd-versions: $(common-objpfx)Versions.all \ + $(common-objpfx)Versions.v \ + $(..)scripts/versions.awk + ( echo 'sysd-versions-subdirs = $(all-subdirs) $(config-sysdirs)' ; \ + cat $(word 2,$^) \ + | LC_ALL=C $(AWK) -v buildroot=$(common-objpfx) -v defsfile=$< \ + -v move_if_change='$(move-if-change)' \ + -f $(word 3,$^); \ + ) > $@T + mv -f $@T $@ +endif # avoid-generated +endif # $(versioning) = yes +endif # sysd-sorted-done + + +ifndef compile-command.S +compile-command.S = $(compile.S) $(OUTPUT_OPTION) +endif +ifndef compile-command.s +compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION) +endif +ifndef compile-command.c +compile-command.c = $(compile.c) $(OUTPUT_OPTION) +endif + +# GCC can grok options after the file name, and it looks nicer that way. +compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS) +compile.S = \ + $(CC) $< -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@)) +COMPILE.S = \ + $(CC) -c $(CPPFLAGS) -DASSEMBLER $(asm-CPPFLAGS) $(ASFLAGS-$(suffix $@)) +COMPILE.s = $(filter-out -pipe,$(CC)) -c $(ASFLAGS) + +# If we want to generate MD5 checksums for the sources do this now. +ifeq ($(md5),yes) +generate-md5 = ; rm -f $(@:.d=.md5); \ +$(CC) -E $< $(CFLAGS) $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | \ +sed '/^\#/d;/^[[:space:]]*$$/d' | md5sum > $(@:.d=.md5) +else +generate-md5 = +endif + +# 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 $@ + +# We need the $(CFLAGS) to be in there to have the right predefines during +# the dependency run for C sources. But having it for assembly sources can +# get the wrong predefines. +S-CPPFLAGS = $(asm-CPPFLAGS) +define +make-deps +$(make-target-directory) +$(+mkdep) $< $(if $(filter %.c,$<),$(CFLAGS)) \ + $(CPPFLAGS) $($(<:$*.%=%)-CPPFLAGS) | sed \ +-e 's,$(subst .,\.,$*)\.o,$(foreach o,$(all-object-suffixes),$(@:.d=$o)) $@,' \ +$(sed-remove-objpfx) > $(@:.d=.T) +mv -f $(@:.d=.T) $@ $(generate-md5) +endef +ifneq (,$(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 + +# Modify the list of routines we build for different targets + +ifeq (yesyes,$(build-shared)$(elf)) +ifndef libc.so-version +# Undefine this because it can't work when we libc.so is unversioned. +static-only-routines = +endif +endif + +# Bounded pointer thunks are only built for *.ob +elide-bp-thunks = $(addprefix $(bppfx),$(bp-thunks)) + +elide-routines.oS += $(filter-out $(static-only-routines),\ + $(routines) $(aux) $(sysdep_routines)) \ + $(elide-bp-thunks) +elide-routines.os += $(static-only-routines) $(elide-bp-thunks) + +# 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-bp-thunks) +elide-routines.op += $(shared-only-routines) $(elide-bp-thunks) +elide-routines.og += $(shared-only-routines) $(elide-bp-thunks) +elide-routines.ob += $(shared-only-routines) + +# Shared library building. + +ifeq (yes,$(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) $(+interp) +ifneq (,$(findstring aix,$(config-os))) + (echo '#!'; \ + dump -g $< | sed '1,6d' | cut -f2 | sort | uniq) > $(<:a=exp) +endif + $(build-shlib) + +ifeq ($(elf),yes) +define build-shlib-helper +$(LINK.o) -shared $(static-libgcc) -Wl,-O1 $(sysdep-LDFLAGS) $(config-LDFLAGS) \ + $(extra-B-$(@F:lib%.so=%).so) -B$(csu-objpfx) \ + $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \ + -Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \ + $(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \ + -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) +endef +else +ifneq (,$(findstring aix,$(config-os))) +define build-shlib-helper +$(LINK.o) -Wl,-G,-bM:SRE,-bnoentry,-bE:$(<:a=exp) \ + $(sysdep-LDFLAGS) $(config-LDFLAGS) $(extra-B-$(@F:lib%.so=%).so) \ + $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \ + $(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \ + -L$(subst :, -L,$(rpath-link)) +endef +else +endif +endif + +ifeq (yes,$(elf)) +# binutils only position loadable notes into the first page for binaries, +# not for shared objects +define build-shlib +$(build-shlib-helper) \ + -o $@.new $(csu-objpfx)abi-note.o -Wl,--verbose \ + $(LDLIBS-$(@F:lib%.so=%).so) 2>&1 | \ + sed -e '/^=========/,/^=========/!d;/^=========/d' \ + -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \ + $(LDSEDCMD-$(@F:lib%.so=%).so) > $@.lds +rm -f $@.new +$(build-shlib-helper) -o $@ -T $@.lds \ + $(csu-objpfx)abi-note.o $(build-shlib-objlist) +rm -f $@.lds +endef +else +ifneq (,$(findstring aix,$(config-os))) +define build-shlib +$(build-shlib-helper) \ + -o $@ \ + $(filter-out $(map-file) $(+preinit) $(+postinit),$^) \ + $(no-whole-archive) $(LDLIBS-$(@F:lib%.so=%).so) +endef +define build-shlib +$(build-shlib-helper) \ + $(build-shlib-objlist) +endef +endif +endif + +ifneq (,$(findstring aix,$(config-os))) +define build-module-helper +$(LINK.o) -Wl,-G -Wl,-bM:SRE -Wl,-bnoentry -Wl,-bexpall \ + $(sysdep-LDFLAGS) $(config-LDFLAGS) \ + $(load-map-file) \ + $(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \ + -L$(subst :, -L,$(rpath-link)) -Wl,-L=$(rpath-link) +endef +else +define build-module-helper +$(LINK.o) -shared $(static-libgcc) $(sysdep-LDFLAGS) $(config-LDFLAGS) \ + -B$(csu-objpfx) $(load-map-file) \ + $(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \ + -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) +endef +endif + +# This macro is similar to build-shlib but it does not define a soname +# and it does not depend on the destination name to start with `lib'. +ifeq (yes,$(elf)) +# binutils only position loadable notes into the first page for binaries, +# not for shared objects +define build-module +$(build-module-helper) \ + -o $@.new $(csu-objpfx)abi-note.o -Wl,--verbose \ + $(LDLIBS-$(@F:lib%.so=%).so) 2>&1 | \ + sed -e '/^=========/,/^=========/!d;/^=========/d' \ + -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \ + > $@.lds +rm -f $@.new +$(build-module-helper) -o $@ -T $@.lds \ + $(csu-objpfx)abi-note.o $(build-module-objlist) +rm -f $@.lds +endef +else +ifneq (,$(findstring aix,$(config-os))) +define build-module +$(build-module-helper) \ + -o $@ \ + $(filter-out $(map-file) $(+preinit) $(+postinit),$^) \ + $(no-whole-archive) $(LDLIBS-$(@F:%.so=%).so) +endef +else +define build-module +define build-module +$(build-module-helper) \ + -o $@ \ + $(build-module-objlist) +endef +endif +endif + +build-module-helper-objlist = \ + $(patsubst %_pic.a,$(whole-archive) %_pic.a $(no-whole-archive),\ + $(filter-out $(map-file) $(+preinit) $(+postinit),$^)) +whole-archive := -Wl,--whole-archive + +build-module-objlist = $(build-module-helper-objlist) $(LDLIBS-$(@F:%.so=%).so) +build-shlib-objlist = $(build-module-helper-objlist) \ + $(LDLIBS-$(@F:lib%.so=%).so) + +# 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 += $(gnulib) +# Give libc.so an entry point and make it directly runnable itself. +LDFLAGS-c.so += -e __libc_main +# Force the backward compatibility EH functions to be linked. +LDFLAGS-c.so += -u __register_frame +# Pre-link the objects of libc_pic.a so that we can locally resolve +# COMMON symbols before we link against ld.so. This is because ld.so +# contains some of libc_pic.a already, which will prevent the COMMONs +# from being allocated in libc.so, which introduces evil dependencies +# between libc.so and ld.so, which can make it impossible to upgrade. +ifeq ($(elf),yes) +$(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a + $(LINK.o) -nostdlib -nostartfiles -r -o $@ \ + $(LDFLAGS-c_pic.os) -Wl,-d -Wl,--whole-archive $^ +LDSEDCMD-c.so = -e 's/^.*\*(\.dynbss).*$$/& __start___libc_freeres_ptrs = .; *(__libc_freeres_ptrs) __stop___libc_freeres_ptrs = .;/' +# 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 +else +ifneq (,$(findstring aix,$(config-os))) +$(common-objpfx)libc.so: $(common-objpfx)libc_pic.a + @rm -f $@ + (echo '#!'; \ + dump -g $^ | sed '1,6d' | cut -f2 | sort | uniq) > $(^:a=exp) + sed '/__mulh/d;/__mull/d;/__divss/d;/__divus/d;/__quoss/d;/__quous/d' \ + /lib/syscalls.exp > $(common-objpfx)syscalls.exp + $(LINK.o) -G -bM:SRE -bnoentry -bE:$(^:a=exp) \ + -bE:$(common-objpfx)syscalls.exp \ + -bI:$(common-objpfx)syscalls.exp \ + -L$(common-objpfx) -o $@ $^ +# AIX runtime ld wants libc.so to be libc.a(shr.o) hardwired + cp $@ $(common-objpfx)shr.o + $(AR) $(ARFLAGS) $(common-objpfx)libc.a $(common-objpfx)shr.o +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". +# We also add bounded-pointer thunks, which are later +# elided for all suffixes except for `.ob'. +override objects := $(addprefix $(objpfx),$(sources:.c=.o) \ + $(patsubst %,$(bppfx)%.o,\ + $(filter $(routines) $(sysdep_routines),$(bp-thunks)))) + + +# 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) $(xtests) $(test-srcs)) +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))) \ + $(addprefix $(objpfx),$(o-objects$o)) + +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), $(install-bin-script) and $(install-sbin) +# are installed from the object directory into $(bindir), $(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 + +define do-install-script +$(make-target-directory) +$(INSTALL_SCRIPT) $< $@.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 (yes,$(build-shared)) +ifeq (no,$(cross-compiling)) +symbolic-link-prog := $(common-objpfx)elf/sln +symbolic-link-list := $(common-objpfx)elf/symlink.list +define make-shlib-link +echo $(<F) $@ >> $(symbolic-link-list) +endef +else # cross-compiling +# We need a definition that can be used by elf/Makefile's install rules. +symbolic-link-prog = $(LN_S) +endif +endif +ifndef make-shlib-link +define make-shlib-link +rm -f $@ +$(LN_S) $(<F) $@ +endef +endif + +ifdef libc.so-version +# For a library specified to be version N, install three files: +# libc.so -> 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) + +# This fragment of linker script gives the OUTPUT_FORMAT statement +# for the configuration we are building. We put this statement into +# the linker scripts we install for -lc et al so that they will not be +# used by a link for a different format on a multi-architecture system. +$(common-objpfx)format.lds: $(..)scripts/output-format.sed \ + $(common-objpfx)config.make \ + $(common-objpfx)config.h $(..)Makerules + $(LINK.o) -shared $(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS.so) \ + -x c /dev/null -o $@.so -Wl,--verbose -v 2>&1 \ + | sed -n -f $< > $@.new + rm -f $@.so + mv -f $@.new $@ +common-generated += format.lds + +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)format.lds \ + $(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. */';\ + cat $<; \ + 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 %$*.so,%,$(<F))$(libprefix)$*.so,\ + $(filter-out %.so,$@)) +endef + +so-versions := $(sort $(foreach so,$(install-lib.so),.so$($(so)-version))) +$(foreach v,$(so-versions),\ + $(inst_slibdir)/lib$(libprefix)%$v): $(common-objpfx)lib%.so \ + $(+force) + $(do-install-so) +$(foreach v,$(so-versions),\ + $(inst_slibdir)/$(libprefix)%$v): $(common-objpfx)%.so $(+force) + $(do-install-so) +endif + +ifdef install-bin +$(addprefix $(inst_bindir)/,$(install-bin)): \ + $(inst_bindir)/%: $(objpfx)% $(+force) + $(do-install-program) +endif +ifdef install-bin-script +$(addprefix $(inst_bindir)/,$(install-bin-script)): \ + $(inst_bindir)/%: $(objpfx)% $(+force) + $(do-install-script) +endif +ifdef install-rootsbin +$(addprefix $(inst_rootsbindir)/,$(install-rootsbin)): \ + $(inst_rootsbindir)/%: $(objpfx)% $(+force) + $(do-install-program) +endif +ifdef install-sbin +$(addprefix $(inst_sbindir)/,$(install-sbin)): \ + $(inst_sbindir)/%: $(objpfx)% $(+force) + $(do-install-program) +endif +ifdef install-lib +install-lib.a := $(filter lib%.a,$(install-lib)) +install-lib-non.a := $(filter-out lib%.a,$(install-lib)) +ifdef install-lib-non.a +$(addprefix $(inst_libdir)/$(libprefix),$(install-lib-non.a)): \ + $(inst_libdir)/$(libprefix)%: $(objpfx)% $(+force) + $(do-install) +endif +ifdef install-lib.a +$(install-lib.a:lib%.a=$(inst_libdir)/lib$(libprefix)%.a): \ + $(inst_libdir)/lib$(libprefix)%.a: $(objpfx)lib%.a $(+force) + $(do-install) + $(patsubst %,$(RANLIB) $@,$(filter-out $(non-lib.a),$(<F))) +endif +endif +ifdef install-data +$(addprefix $(inst_datadir)/,$(install-data)): $(inst_datadir)/%: % $(+force) + $(do-install) +endif +headers := $(strip $(headers)) +ifdef headers +$(addprefix $(inst_includedir)/,$(headers)): $(inst_includedir)/%: % $(+force) + $(do-install) +endif # headers + +.PHONY: install-bin-nosubdir install-bin-script-nosubdir \ + install-rootsbin-nosubdir install-sbin-nosubdir install-lib-nosubdir \ + install-data-nosubdir install-headers-nosubdir +install-bin-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin)) +install-bin-script-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin-script)) +install-rootsbin-nosubdir: \ + $(addprefix $(inst_rootsbindir)/,$(install-rootsbin)) +install-sbin-nosubdir: $(addprefix $(inst_sbindir)/,$(install-sbin)) +install-lib-nosubdir: $(addprefix $(inst_libdir)/,\ + $(patsubst lib%.a,lib$(libprefix)%.a,$(install-lib.a)) \ + $(addprefix $(libprefix),$(install-lib-non.a))) +install-data-nosubdir: $(addprefix $(inst_datadir)/,$(install-data)) +install-headers-nosubdir: $(addprefix $(inst_includedir)/,$(headers)) +install-others-nosubdir: $(install-others) + +# We need all the `-nosubdir' targets so that `install' in the parent +# doesn't depend on several things which each iterate over the subdirs. +# This rule makes `install-FOO' always use `install-FOO-nosubdir' as a +# subroutine. Then in the parent `install-FOO' also causes subdir makes. +install-%:: install-%-nosubdir ; + +.PHONY: install install-no-libc.a-nosubdir +ifeq ($(build-programs),yes) +install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\ + install-bin-nosubdir install-bin-script-nosubdir \ + install-lib-nosubdir install-others-nosubdir \ + install-rootsbin-nosubdir install-sbin-nosubdir +else +install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\ + install-lib-nosubdir install-others-nosubdir +endif +install: install-no-libc.a-nosubdir + +# Command to compile $< in $(objdir) using the native libraries. +define native-compile +$(make-target-directory) +$(patsubst %/,cd % &&,$(objpfx)) \ +$(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \ + $(firstword $(filter /%,$< $(shell pwd)/$<)) -o $(@F) +endef + +# Command to compile $< in $(common-objdir) using the native libraries. +# We must cd to $(objdir) anyway so that $(..)config.h is valid. +define common-objdir-compile +$(patsubst %/,cd % &&,$(objpfx)) \ +$(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \ + $(firstword $(filter /%,$< $(shell pwd)/$<)) -o $(..)$(@F) +endef + +# We always want to use configuration definitions. +# Note that this is only used for commands running in $(objpfx). +ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) -include $(..)config.h + +# Support the GNU standard name for this target. +.PHONY: check +check: tests +# Special target to run tests which cannot be run unconditionally. +# Maintainers should use this target. +.PHONY: xcheck +xcheck: xtests + +all-nonlib = $(strip $(tests) $(xtests) $(test-srcs) $(test-extras) $(others)) +ifneq (,$(all-nonlib)) +cpp-srcs-left = $(all-nonlib:=.c) +lib := nonlib +include $(patsubst %,$(..)cppflags-iterator.mk,$(all-nonlib)) +endif + +# The include magic above causes those files to use this variable for flags. +CPPFLAGS-nonlib = -DNOT_IN_libc=1 + + +ifeq ($(versioning),yes) +# Generate normalized lists of symbols, versions, and data sizes. +# This is handy for checking against existing library binaries. + +%.symlist: $(..)scripts/abilist.awk %.dynsym + LC_ALL=C $(AWK) -f $^ > $@T + mv -f $@T $@ + +%.dynsym: %.so + $(OBJDUMP) --dynamic-syms $< > $@T + mv -f $@T $@ + +vpath %.symlist $(objpfx) $(common-objpfx) +check-abi-%: $(..)scripts/extract-abilist.awk $(common-objpfx)config.make \ + %.abilist %.symlist + LC_ALL=C \ + $(AWK) -f $< \ + -v 'config=$(config-machine)-$(config-vendor)-$(config-os)' \ + $(filter %.abilist,$^) \ + | diff -pu0 - $(filter %.symlist,$^) + +update-abi-%: $(..)scripts/merge-abilist.awk %.abilist %.symlist +ifndef update-abi-config + @echo 'Run $(MAKE) $@ update-abi-config=REGEXP'; exit 2 +else + LC_ALL=C $(AWK) -v config=$(update-abi-config) -f $^ > $*.abilist.new + mv -f $*.abilist.new $*.abilist + @echo '*** Now check $*.abilist changes for correctness ***' +endif + +.PHONY: update-abi check-abi +update-abi: $(patsubst %.so,update-abi-%,$(install-lib.so-versioned)) +check-abi: $(patsubst %.so,check-abi-%,$(install-lib.so-versioned)) +ifdef subdir +subdir_check-abi: check-abi +subdir_update-abi: update-abi +else +check-abi: subdir_check-abi +update-abi: subdir_update-abi +endif + +# Enable this well all the .abilist files are in place. +#tests: check-abi +generated += $(install-lib.so-versioned:.so=.symlist) + +ifeq ($(subdir),elf) +check-abi: check-abi-libc +update-abi: update-abi-libc +common-generated += libc.symlist +endif + +endif + +.PHONY: TAGS +TAGS: $(objpfx)distinfo $(..)MakeTAGS + $(MAKE) $(addprefix -f ,$^) $@ + +$(..)po/%.pot: $(objpfx)distinfo $(..)MakeTAGS FORCE + $(MAKE) $(addprefix -f ,$(filter-out FORCE,$^)) $@ +FORCE: + + +.PHONY: echo-headers +echo-headers: + @echo $(headers) + + +# Common cleaning targets. + +.PHONY: common-mostlyclean common-clean mostlyclean clean do-tests-clean +clean: common-clean +mostlyclean: common-mostlyclean + +do-tests-clean: + -rm -f $(addprefix $(objpfx),$(addsuffix .out,$(tests) $(xtests) \ + $(test-srcs)) \ + $(addsuffix -bp.out,$(tests) $(xtests) \ + $(test-srcs))) + +# Remove the object files. +common-mostlyclean: + -rm -f $(addprefix $(objpfx),$(tests) $(xtests) $(test-srcs) \ + $(others) $(sysdep-others) stubs \ + $(addsuffix .o,$(tests) $(xtests) \ + $(test-srcs) $(others) \ + $(sysdep-others)) \ + $(addsuffix -bp,$(tests) $(xtests) \ + $(test-srcs)) \ + $(addsuffix .out,$(tests) $(xtests) \ + $(test-srcs)) \ + $(addsuffix -bp.out,$(tests) $(xtests) \ + $(test-srcs))) + -rm -f $(addprefix $(objpfx),$(extra-objs) $(install-lib) \ + $(install-lib.so) \ + $(install-lib.so:%.so=%_pic.a)) + -rm -f core + -rm -f $(objpfx)rtld-*.os + $(rmobjs) +define rmobjs +$(foreach o,$(object-suffixes-for-libc), +-rm -f $(objpfx)stamp$o $(o-objects)) +endef + +# Also remove the dependencies and generated source files. +common-clean: common-mostlyclean + -rm -f $(addprefix $(objpfx),$(generated)) $(+depfiles) + -rm -f $(objpfx)rtld-*.d + -rm -fr $(addprefix $(objpfx),$(generated-dirs)) + -rm -f $(addprefix $(common-objpfx),$(common-generated)) + -rm -f $(objpfx)distinfo + +# Produce a file `stubs' which contains `#define __stub_FUNCTION' +# for each function which is a stub. We grovel over all the .d files +# looking for references to <stub-tag.h>. 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 && $(PWD_P)`; \ + $(patsubst %/,cd % &&,$(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 xtests test-srcs extra-libs versioned \ + $(extra-libs:%=%-routines) \ + $(addprefix install-,lib lib.so data bin bin-script 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 + +# Local Variables: +# mode: makefile +# End: |