PowerPC: Fix nearbyint/nearbyintf result for FE_DOWNWARD
[glibc.git] / extra-lib.mk
blobfd8812cb21581af6434b6f8ada9963546072610e
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. A sysdep Makefile can add to
7 # $(lib)-sysdep_routines to include additional modules.
9 lib := $(firstword $(extra-libs-left))
10 extra-libs-left := $(filter-out $(lib),$(extra-libs-left))
12 object-suffixes-$(lib) := $(filter-out $($(lib)-inhibit-o),$(object-suffixes))
14 ifneq (,$($(lib)-static-only-routines))
15 ifneq (,$(filter yes%,$(build-shared)$($(lib).so-version)))
16 object-suffixes-$(lib) += $(filter-out $($(lib)-inhibit-o),.oS)
17 endif
18 endif
20 ifneq (,$(object-suffixes-$(lib)))
22 # Make sure these are simply-expanded variables before we append to them,
23 # since we want the expressions we append to be expanded right now.
24 install-lib := $(install-lib)
25 extra-objs := $(extra-objs)
27 # The modules that go in $(lib).
28 all-$(lib)-routines := $($(lib)-routines) $($(lib)-sysdep_routines)
30 # Add each flavor of library to the lists of things to build and install.
31 install-lib += $(foreach o,$(object-suffixes-$(lib)),$(lib:lib%=$(libtype$o)))
32 extra-objs += $(foreach o,$(filter-out .os .oS,$(object-suffixes-$(lib))),\
33 $(patsubst %,%$o,$(filter-out \
34 $($(lib)-shared-only-routines),\
35 $(all-$(lib)-routines))))
36 ifneq (,$(filter .os,$(object-suffixes-$(lib))))
37 extra-objs += $(patsubst %,%.os,$(filter-out $($(lib)-static-only-routines),\
38 $(all-$(lib)-routines)))
39 endif
40 ifneq (,$(filter .oS,$(object-suffixes-$(lib))))
41 extra-objs += $(patsubst %,%.oS,$(filter $($(lib)-static-only-routines),\
42 $(all-$(lib)-routines)))
43 endif
44 alltypes-$(lib) := $(foreach o,$(object-suffixes-$(lib)),\
45 $(objpfx)$(patsubst %,$(libtype$o),\
46 $(lib:lib%=%)))
48 ifeq (,$(filter $(lib),$(extra-libs-others)))
49 lib-noranlib: $(alltypes-$(lib))
50 ifeq (yes,$(build-shared))
51 lib-noranlib: $(objpfx)$(lib).so$($(lib).so-version)
52 endif
53 else
54 others: $(alltypes-$(lib))
55 endif
57 # The linked shared library is never a dependent of lib-noranlib,
58 # because linking it will depend on libc.so already being built.
59 ifneq (,$(filter .os,$(object-suffixes-$(lib))))
60 others: $(objpfx)$(lib).so$($(lib).so-version)
61 endif
64 # Use o-iterator.mk to generate a rule for each flavor of library.
65 ifneq (,$(filter-out .os .oS,$(object-suffixes-$(lib))))
66 define o-iterator-doit
67 $(objpfx)$(patsubst %,$(libtype$o),$(lib:lib%=%)): \
68 $(patsubst %,$(objpfx)%$o,\
69 $(filter-out $($(lib)-shared-only-routines),\
70 $(all-$(lib)-routines))); \
71 $$(build-extra-lib)
72 endef
73 object-suffixes-left = $(filter-out .os .oS,$(object-suffixes-$(lib)))
74 include $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left))
75 endif
77 ifneq (,$(filter .os,$(object-suffixes-$(lib))))
78 $(objpfx)$(patsubst %,$(libtype.os),$(lib:lib%=%)): \
79 $(patsubst %,$(objpfx)%.os,\
80 $(filter-out $($(lib)-static-only-routines),\
81 $(all-$(lib)-routines)))
82 $(build-extra-lib)
83 endif
85 ifneq (,$(filter .oS,$(object-suffixes-$(lib))))
86 $(objpfx)$(patsubst %,$(libtype.oS),$(lib:lib%=%)): \
87 $(patsubst %,$(objpfx)%.oS,\
88 $(filter $($(lib)-static-only-routines),\
89 $(all-$(lib)-routines)))
90 $(build-extra-lib)
91 endif
93 ifeq ($(build-shared),yes)
94 # Add the version script to the dependencies of the shared library.
95 $(objpfx)$(lib).so: $(firstword $($(lib)-map) \
96 $(addprefix $(common-objpfx), \
97 $(filter $(lib).map, \
98 $(version-maps))))
99 endif
101 endif
103 # This will define `libof-ROUTINE := LIB' for each of the routines.
104 cpp-srcs-left := $($(lib)-routines) $($(lib)-sysdep_routines)
105 ifneq (,$(cpp-srcs-left))
106 include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
107 endif
109 CPPFLAGS-$(lib) := -DNOT_IN_libc=1 -DIS_IN_$(lib)=1 -DIN_LIB=$(lib)