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Diffstat (limited to 'REORG.TODO/extra-lib.mk')
| -rw-r--r-- | REORG.TODO/extra-lib.mk | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/REORG.TODO/extra-lib.mk b/REORG.TODO/extra-lib.mk new file mode 100644 index 0000000000..72f8d2e1df --- /dev/null +++ b/REORG.TODO/extra-lib.mk @@ -0,0 +1,112 @@ +# 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. +# +# Libraries listed in $(extra-libs-noinstall) are built, but not +# installed. + +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. +ifeq (,$(filter $(lib), $(extra-libs-noinstall))) +install-lib += $(foreach o,$(object-suffixes-$(lib)),$(lib:lib%=$(libtype$o))) +endif +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))) + $(build-extra-lib) +endif + +ifeq ($(build-shared),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 $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) +endif |