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glibc/extra-lib.mk
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# This file is included several times in a row, once | |
# for each element of $(extra-libs). $(extra-libs-left) | |
# is initialized first to $(extra-libs) so that with each | |
# inclusion, we advance $(lib) to the next library name (e.g. libfoo). | |
# The variable $($(lib)-routines) defines the list of modules | |
# to be included in that library. A sysdep Makefile can add to | |
# $(lib)-sysdep_routines to include additional modules. | |
lib := $(firstword $(extra-libs-left)) | |
extra-libs-left := $(filter-out $(lib),$(extra-libs-left)) | |
object-suffixes-$(lib) := $(filter-out $($(lib)-inhibit-o),$(object-suffixes)) | |
ifneq (,$($(lib)-static-only-routines)) | |
ifneq (,$(filter yes%,$(build-shared)$($(lib).so-version))) | |
object-suffixes-$(lib) += $(filter-out $($(lib)-inhibit-o),.oS) | |
endif | |
endif | |
ifneq (,$(object-suffixes-$(lib))) | |
# Make sure these are simply-expanded variables before we append to them, | |
# since we want the expressions we append to be expanded right now. | |
install-lib := $(install-lib) | |
extra-objs := $(extra-objs) | |
# The modules that go in $(lib). | |
all-$(lib)-routines := $($(lib)-routines) $($(lib)-sysdep_routines) | |
# Add each flavor of library to the lists of things to build and install. | |
install-lib += $(foreach o,$(object-suffixes-$(lib)),$(lib:lib%=$(libtype$o))) | |
extra-objs += $(foreach o,$(filter-out .os .oS,$(object-suffixes-$(lib))),\ | |
$(patsubst %,%$o,$(filter-out \ | |
$($(lib)-shared-only-routines),\ | |
$(all-$(lib)-routines)))) | |
ifneq (,$(filter .os,$(object-suffixes-$(lib)))) | |
extra-objs += $(patsubst %,%.os,$(filter-out $($(lib)-static-only-routines),\ | |
$(all-$(lib)-routines))) | |
endif | |
ifneq (,$(filter .oS,$(object-suffixes-$(lib)))) | |
extra-objs += $(patsubst %,%.oS,$(filter $($(lib)-static-only-routines),\ | |
$(all-$(lib)-routines))) | |
endif | |
alltypes-$(lib) := $(foreach o,$(object-suffixes-$(lib)),\ | |
$(objpfx)$(patsubst %,$(libtype$o),\ | |
$(lib:lib%=%))) | |
ifeq (,$(filter $(lib),$(extra-libs-others))) | |
lib-noranlib: $(alltypes-$(lib)) | |
ifeq (yes,$(build-shared)) | |
lib-noranlib: $(objpfx)$(lib).so$($(lib).so-version) | |
endif | |
else | |
others: $(alltypes-$(lib)) | |
endif | |
# The linked shared library is never a dependent of lib-noranlib, | |
# because linking it will depend on libc.so already being built. | |
ifneq (,$(filter .os,$(object-suffixes-$(lib)))) | |
others: $(objpfx)$(lib).so$($(lib).so-version) | |
endif | |
# Use o-iterator.mk to generate a rule for each flavor of library. | |
ifneq (,$(filter-out .os .oS,$(object-suffixes-$(lib)))) | |
define o-iterator-doit | |
$(objpfx)$(patsubst %,$(libtype$o),$(lib:lib%=%)): \ | |
$(patsubst %,$(objpfx)%$o,\ | |
$(filter-out $($(lib)-shared-only-routines),\ | |
$(all-$(lib)-routines))); \ | |
$$(build-extra-lib) | |
endef | |
object-suffixes-left = $(filter-out .os .oS,$(object-suffixes-$(lib))) | |
include $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left)) | |
endif | |
ifneq (,$(filter .os,$(object-suffixes-$(lib)))) | |
$(objpfx)$(patsubst %,$(libtype.os),$(lib:lib%=%)): \ | |
$(patsubst %,$(objpfx)%.os,\ | |
$(filter-out $($(lib)-static-only-routines),\ | |
$(all-$(lib)-routines))) | |
$(build-extra-lib) | |
endif | |
ifneq (,$(filter .oS,$(object-suffixes-$(lib)))) | |
$(objpfx)$(patsubst %,$(libtype.oS),$(lib:lib%=%)): \ | |
$(patsubst %,$(objpfx)%.oS,\ | |
$(filter $($(lib)-static-only-routines),\ | |
$(all-$(lib)-routines))) | |
$(build-extra-lib) | |
endif | |
ifeq ($(versioning),yes) | |
# Add the version script to the dependencies of the shared library. | |
$(objpfx)$(lib).so: $(firstword $($(lib)-map) \ | |
$(addprefix $(common-objpfx), \ | |
$(filter $(lib).map, \ | |
$(version-maps)))) | |
endif | |
endif | |
# This will define `libof-ROUTINE := LIB' for each of the routines. | |
cpp-srcs-left := $($(lib)-routines) $($(lib)-sysdep_routines) | |
ifneq (,$(cpp-srcs-left)) | |
include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left)) | |
endif | |
CPPFLAGS-$(lib) := -DNOT_IN_libc=1 -DIS_IN_$(lib)=1 -DIN_LIB=$(lib) |