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.
   8 #
   9 # Libraries listed in $(extra-libs-noinstall) are built, but not
  10 # installed.
  11
  12 lib := $(firstword $(extra-libs-left))
  13 extra-libs-left := $(filter-out $(lib),$(extra-libs-left))
  14
  15 object-suffixes-$(lib) := $(filter-out $($(lib)-inhibit-o),$(object-suffixes))
  16
  17 ifneq (,$($(lib)-static-only-routines))
  18 ifneq (,$(filter yes%,$(build-shared)$($(lib).so-version)))
  19 object-suffixes-$(lib) += $(filter-out $($(lib)-inhibit-o),.oS)
  20 endif
  21 endif
  22
  23 ifneq (,$(object-suffixes-$(lib)))
  24
  25 # Make sure these are simply-expanded variables before we append to them,
  26 # since we want the expressions we append to be expanded right now.
  27 install-lib := $(install-lib)
  28 extra-objs := $(extra-objs)
  29
  30 # The modules that go in $(lib).
  31 all-$(lib)-routines := $($(lib)-routines) $($(lib)-sysdep_routines)
  32
  33 # Add each flavor of library to the lists of things to build and install.
  34 ifeq (,$(filter $(lib), $(extra-libs-noinstall)))
  35 install-lib += $(foreach o,$(object-suffixes-$(lib)),$(lib:lib%=$(libtype$o)))
  36 endif
  37 extra-objs += $(foreach o,$(filter-out .os .oS,$(object-suffixes-$(lib))),\
  38                         $(patsubst %,%$o,$(filter-out \
  39                                            $($(lib)-shared-only-routines),\
  40                                            $(all-$(lib)-routines))))
  41 ifneq (,$(filter .os,$(object-suffixes-$(lib))))
  42 extra-objs += $(patsubst %,%.os,$(filter-out $($(lib)-static-only-routines),\
  43                                              $(all-$(lib)-routines)))
  44 endif
  45 ifneq (,$(filter .oS,$(object-suffixes-$(lib))))
  46 extra-objs += $(patsubst %,%.oS,$(filter $($(lib)-static-only-routines),\
  47                                          $(all-$(lib)-routines)))
  48 endif
  49 alltypes-$(lib) := $(foreach o,$(object-suffixes-$(lib)),\
  50                              $(objpfx)$(patsubst %,$(libtype$o),\
  51                              $(lib:lib%=%)))
  52
  53 ifeq (,$(filter $(lib),$(extra-libs-others)))
  54 lib-noranlib: $(alltypes-$(lib))
  55 ifeq (yes,$(build-shared))
  56 lib-noranlib: $(objpfx)$(lib).so$($(lib).so-version)
  57 endif
  58 else
  59 others: $(alltypes-$(lib))
  60 endif
  61
  62 # The linked shared library is never a dependent of lib-noranlib,
  63 # because linking it will depend on libc.so already being built.
  64 ifneq (,$(filter .os,$(object-suffixes-$(lib))))
  65 others: $(objpfx)$(lib).so$($(lib).so-version)
  66 endif
  67
  68
  69 # Use o-iterator.mk to generate a rule for each flavor of library.
  70 ifneq (,$(filter-out .os .oS,$(object-suffixes-$(lib))))
  71 define o-iterator-doit
  72 $(objpfx)$(patsubst %,$(libtype$o),$(lib:lib%=%)): \
  73   $(patsubst %,$(objpfx)%$o,\
  74              $(filter-out $($(lib)-shared-only-routines),\
  75                           $(all-$(lib)-routines))); \
  76         $$(build-extra-lib)
  77 endef
  78 object-suffixes-left = $(filter-out .os .oS,$(object-suffixes-$(lib)))
  79 include $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left))
  80 endif
  81
  82 ifneq (,$(filter .os,$(object-suffixes-$(lib))))
  83 $(objpfx)$(patsubst %,$(libtype.os),$(lib:lib%=%)): \
  84   $(patsubst %,$(objpfx)%.os,\
  85              $(filter-out $($(lib)-static-only-routines),\
  86                           $(all-$(lib)-routines)))
  87         $(build-extra-lib)
  88 endif
  89
  90 ifneq (,$(filter .oS,$(object-suffixes-$(lib))))
  91 $(objpfx)$(patsubst %,$(libtype.oS),$(lib:lib%=%)): \
  92   $(patsubst %,$(objpfx)%.oS,\
  93              $(filter $($(lib)-static-only-routines),\
  94                       $(all-$(lib)-routines)))
  95         $(build-extra-lib)
  96 endif
  97
  98 ifeq ($(build-shared),yes)
  99 # Add the version script to the dependencies of the shared library.
 100 $(objpfx)$(lib).so: $(firstword $($(lib)-map) \
 101                                 $(addprefix $(common-objpfx), \
 102                                             $(filter $(lib).map, \
 103                                                      $(version-maps))))
 104 endif
 105
 106 endif
 107
 108 # This will define `libof-ROUTINE := LIB' for each of the routines.
 109 cpp-srcs-left := $($(lib)-routines) $($(lib)-sysdep_routines)
 110 ifneq (,$(cpp-srcs-left))
 111 include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
 112 endif