Update.
[glibc.git] / extra-lib.mk
blob793dc09c384872d0c6f5b01b1d07f3aee02a5d81
1 # This file is included several times in a row, once
2 # for each element of $(extra-libs). $(extra-libs-left)
3 # is initialized first to $(extra-libs) so that with each
4 # inclusion, we advance $(lib) to the next library name (e.g. libfoo).
5 # The variable $($(lib)-routines) defines the list of modules
6 # to be included in that library.
8 lib := $(firstword $(extra-libs-left))
9 extra-libs-left := $(filter-out $(lib),$(extra-libs-left))
11 object-suffixes-$(lib) := $(filter-out $($(lib)-inhibit-o),$(object-suffixes))
13 ifneq (,$(object-suffixes-$(lib)))
15 # Make sure these are simply-expanded variables before we append to them,
16 # since we want the expressions we append to be expanded right now.
17 install-lib := $(install-lib)
18 extra-objs := $(extra-objs)
20 # Add each flavor of library to the lists of things to build and install.
21 install-lib += $(foreach o,$(object-suffixes-$(lib)),$(lib:lib%=$(libtype$o)))
22 extra-objs += $(foreach o,$(object-suffixes-$(lib)),\
23 $(patsubst %,%$o,$($(lib)-routines)))
24 alltypes-$(lib) := $(foreach o,$(object-suffixes-$(lib)),\
25 $(objpfx)$(patsubst %,$(libtype$o),\
26 $(lib:lib%=%)))
28 ifeq (,$(filter $(lib),$(extra-libs-others)))
29 lib-noranlib: $(alltypes-$(lib))
30 ifeq (yes,$(build-shared))
31 lib-noranlib: $(objpfx)$(lib).so$($(lib).so-version)
32 endif
33 else
34 others: $(alltypes-$(lib))
35 endif
37 # The linked shared library is never a dependent of lib-noranlib,
38 # because linking it will depend on libc.so already being built.
39 ifneq (,$(filter .os,$(object-suffixes-$(lib))))
40 others: $(objpfx)$(lib).so$($(lib).so-version)
41 endif
44 # Use o-iterator.mk to generate a rule for each flavor of library.
45 define o-iterator-doit
46 $(objpfx)$(patsubst %,$(libtype$o),$(lib:lib%=%)): \
47 $($(lib)-routines:%=$(objpfx)%$o); $$(build-extra-lib)
48 endef
49 object-suffixes-left = $(object-suffixes-$(lib))
50 include $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-$(lib)))
52 # Add the version script to the dependencies of the shared library.
53 $(objpfx)$(lib).so: $($(lib)-map)
55 endif