AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-12-13 14:50:17 +00:00
Code Issues Packages Projects Releases Wiki Activity
50b0a9bf49
glibc/Makerules
Ulrich Drepper 04d1ae8c4e Update from main line.
1999-08-01 22:23:36 +00:00

996 lines
34 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# Copyright (C) 1991,92,93,94,95,96,97,98,99 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)
postclean-generated += sysd-versions Versions.all
ifndef avoid-generated
ifneq ($(sysd-versions-subdirs),$(all-subdirs) $(config-sysdirs))
sysd-versions-force = FORCE
FORCE:
endif
$(common-objpfx)Versions.all: $(..)Versions.def \
$(wildcard $(add-ons:%=$(..)%/Versions.def))
cat $^ > $@T
mv -f $@T $@
$(common-objpfx)sysd-versions: $(common-objpfx)Versions.all \
$(..)scripts/versions.awk \
$(wildcard $(all-subdirs:%=$(..)%/Versions)) \
$(wildcard $(sysdirs:%=%/Versions)) \
$(sysd-versions-force)
{ echo 'sysd-versions-subdirs = $(all-subdirs) $(config-sysdirs)' ; \
LC_ALL=C $(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 -Wl,-O1 -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
# 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'.
define build-module
$(LINK.o) -shared -o $@ $(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) \
-Wl,--whole-archive \
$(filter-out $(map-file) $(+preinit) $(+postinit),$^) \
$(no-whole-archive) $(LDLIBS-$(@F:%.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
# 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.
$(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))
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 $(<F) $@ >> $(symbolic-link-list)
endef
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)
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 %$*.so,%,$(<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-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-rootsbin-nosubdir install-sbin-nosubdir \
install-lib-nosubdir install-data-nosubdir install-headers-nosubdir
install-bin-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin))
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-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
.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 $(patsubst %,$(objpfx)%.out,$(tests) $(test-srcs))
# Remove the object files.
common-mostlyclean:
-rm -f $(addprefix $(objpfx),$(tests) $(test-srcs) $(others) \
$(sysdep-others) stubs \
$(addsuffix .o,$(tests) $(test-srcs) \
$(others) \
$(sysdep-others)) \
$(addsuffix .out,$(tests) $(test-srcs)))
-rm -f $(addprefix $(objpfx),$(extra-objs) $(install-lib) \
$(install-lib.so) \
$(install-lib.so:%.so=%_pic.a))
-rm -f core
$(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 -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 && /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) \
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
Reference in New Issue View Git Blame Copy Permalink