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sourceware.org Git - glibc.git/blob - extra-lib.mk
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 yesyes
%,$(build-shared
)$(elf
)$($(lib
).so-version
)))
16 object-suffixes-
$(lib
) += $(filter-out $($(lib
)-inhibit-o
),.oS
)
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
+= $(all-
$(lib
)-routines
:%=%.os
)
39 alltypes-
$(lib
) := $(foreach o
,$(object-suffixes-
$(lib
)),\
40 $(objpfx
)$(patsubst %,$(libtype
$o),\
43 ifeq (,$(filter $(lib
),$(extra-libs-others
)))
44 lib-noranlib
: $(alltypes-
$(lib
))
45 ifeq (yes
,$(build-shared
))
46 lib-noranlib
: $(objpfx
)$(lib
).so
$($(lib
).so-version
)
49 others
: $(alltypes-
$(lib
))
52 # The linked shared library is never a dependent of lib-noranlib,
53 # because linking it will depend on libc.so already being built.
54 ifneq (,$(filter .os
,$(object-suffixes-
$(lib
))))
55 others
: $(objpfx
)$(lib
).so
$($(lib
).so-version
)
59 # Use o-iterator.mk to generate a rule for each flavor of library.
60 ifneq (,$(filter-out .os .oS
,$(object-suffixes-
$(lib
))))
61 define o-iterator-doit
62 $(objpfx
)$(patsubst %,$(libtype
$o),$(lib
:lib
%=%)): \
63 $(patsubst %,$(objpfx
)%$o,\
64 $(filter-out $($(lib
)-shared-only-routines
),\
65 $(all-
$(lib
)-routines
))); \
68 object-suffixes-left
= $(filter-out .os .oS
,$(object-suffixes-
$(lib
)))
69 include $(patsubst %,$(..
)o-iterator.mk
,$(object-suffixes-left
))
72 ifneq (,$(filter .os
,$(object-suffixes-
$(lib
))))
73 $(objpfx
)$(patsubst %,$(libtype.os
),$(lib
:lib
%=%)): \
74 $(patsubst %,$(objpfx
)%.os
,\
75 $(filter-out $($(lib
)-static-only-routines
),\
76 $(all-
$(lib
)-routines
)))
80 ifneq (,$(filter .oS
,$(object-suffixes-
$(lib
))))
81 $(objpfx
)$(patsubst %,$(libtype.oS
),$(lib
:lib
%=%)): \
82 $(patsubst %,$(objpfx
)%.oS
,\
83 $(filter $($(lib
)-static-only-routines
),\
84 $(all-
$(lib
)-routines
)))
88 ifeq ($(versioning
),yes
)
89 # Add the version script to the dependencies of the shared library.
90 $(objpfx
)$(lib
).so
: $(firstword $($(lib
)-map
) \
91 $(addprefix $(common-objpfx
), \
92 $(filter $(lib
).map
, \
98 # This will define `libof-ROUTINE := LIB' for each of the routines.
99 cpp-srcs-left
:= $($(lib
)-routines
) $($(lib
)-sysdep_routines
)
100 ifneq (,$(cpp-srcs-left
))
101 include $(patsubst %,$(..
)cppflags-iterator.mk
,$(cpp-srcs-left
))
104 CPPFLAGS-
$(lib
) := -DNOT_IN_libc
=1 -DIS_IN_
$(lib
)=1
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