3 # DROPS (Dresden Realtime OPerating System) Component
5 # Makefile-Template for library directories
7 # install.inc is used, see there for further documentation
8 # binary.inc is used, see there for further documentation
11 ifeq ($(origin _L4DIR_MK_LIB_MK),undefined)
16 # define INSTALLDIRs prior to including install.inc, where the install-
17 # rules are defined. Same for INSTALLDIR.
19 INSTALLDIR_LIB ?= $(DROPS_STDDIR)/lib/host
20 INSTALLDIR_LIB_LOCAL ?= $(OBJ_BASE)/lib/host
22 INSTALLDIR_LIB ?= $(DROPS_STDDIR)/lib/$(subst -,/,$(SYSTEM))
23 INSTALLDIR_LIB_LOCAL ?= $(OBJ_BASE)/lib/$(subst -,/,$(SYSTEM))
25 INSTALLFILE_LIB ?= $(INSTALL) -m 644 $(1) $(2)
26 INSTALLFILE_LIB_LOCAL ?= $(LN) -sf $(call absfilename,$(1)) $(2)
28 INSTALLFILE = $(INSTALLFILE_LIB)
29 INSTALLDIR = $(INSTALLDIR_LIB)
30 INSTALLFILE_LOCAL = $(INSTALLFILE_LIB_LOCAL)
31 INSTALLDIR_LOCAL = $(INSTALLDIR_LIB_LOCAL)
36 # sanity check for proper mode
37 ifneq ($(filter-out lib host,$(MODE)),)
38 $(error MODE=$(MODE) not possible when building libraries)
41 # all libraries are built using the wraped utcb-getter
42 CPPFLAGS += -DL4SYS_USE_UTCB_WRAP=1
44 # include all Makeconf.locals, define common rules/variables
45 include $(L4DIR)/mk/Makeconf
46 include $(L4DIR)/mk/binary.inc
47 $(GENERAL_D_LOC): $(L4DIR)/mk/lib.mk
49 ifneq ($(SYSTEM),) # if we a system, really build
51 TARGET_LIB := $(TARGET) $(TARGET_$(OSYSTEM))
52 TARGET_SHARED := $(filter %.so,$(TARGET_LIB))
53 TARGET_STANDARD := $(filter-out %.so,$(TARGET_LIB))
55 TARGET_PROFILE := $(patsubst %.a,%.pr.a,\
56 $(filter $(BUILD_PROFILE),$(TARGET_STANDARD)))
57 TARGET_PROFILE_SHARED := $(filter %.so,$(TARGET_PROFILE))
58 TARGET_PIC := $(patsubst %.a,%.p.a,\
59 $(filter $(BUILD_PIC),$(TARGET_STANDARD)))
60 TARGET_PROFILE_PIC := $(patsubst %.a,%.p.a,\
61 $(filter $(BUILD_PIC),$(TARGET_PROFILE)))
62 TARGET += $(TARGET_$(OSYSTEM)) $(TARGET_PIC)
63 TARGET += $(TARGET_PROFILE) $(TARGET_PROFILE_SHARED) $(TARGET_PROFILE_PIC)
65 # define some variables different for lib.mk and prog.mk
66 LDFLAGS += $(addprefix -L, $(PRIVATE_LIBDIR) $(PRIVATE_LIBDIR_$(OSYSTEM)) $(PRIVATE_LIBDIR_$@) $(PRIVATE_LIBDIR_$@_$(OSYSTEM)))
67 LDFLAGS += $(addprefix -L, $(L4LIBDIR))
68 LDFLAGS += $(LIBCLIBDIR)
69 LDFLAGS_SO ?= -shared -nostdlib
71 BID_LDFLAGS_FOR_LINKING_DYN_LD = $(LDFLAGS)
72 BID_LDFLAGS_FOR_GCC_DYN = $(filter -static -shared -nostdlib -Wl$(BID_COMMA)% -L% -l%,$(LDFLAGS))
73 BID_LDFLAGS_FOR_LD_DYN = $(filter-out -static -shared -nostdlib -Wl$(BID_COMMA)% -L% -l%,$(LDFLAGS))
74 BID_LDFLAGS_FOR_LINKING_DYN_GCC = $(addprefix -Wl$(BID_COMMA),$(BID_LDFLAGS_FOR_LD_DYN)) $(BID_LDFLAGS_FOR_GCC_DYN)
78 LDSCRIPT_INCR ?= /dev/null
79 CRT0 = $(CRTI_so) $(CRTBEGIN_so) $(CRT1_so)
82 # install.inc eventually defines rules for every target
83 include $(L4DIR)/mk/install.inc
85 ifeq ($(NOTARGETSTOINSTALL),)
86 PC_LIBS ?= $(patsubst lib%.so,-l%,$(TARGET_SHARED) \
87 $(patsubst lib%.a,-l%,$(TARGET_STANDARD)))
89 PC_FILENAME ?= $(PKGNAME)
90 PC_FILENAMES ?= $(PC_FILENAME)
92 PC_FILES := $(foreach pcfile,$(PC_FILENAMES),$(OBJ_BASE)/pc/$(pcfile).pc)
96 get_cont = $(if $($(1)_$(2)),$($(1)_$(2)),$($(1)))
98 $(OBJ_BASE)/pc/%.pc: $(GENERAL_D_LOC)
99 $(if $(filter-out -l%,$(call get_cont,PC_LIBS,$*)),$(error PC_LIBS contains invalid library list: $(call get_cont,PC_LIBS,$*); Only -l statements allowed.),@true)
100 $(VERBOSE)$(call generate_pcfile,$*,$@,$(call get_cont,CONTRIB_INCDIR,$*),$(call get_cont,PC_LIBS,$*),$(call get_cont,REQUIRES_LIBS,$*))
106 DEPS += $(foreach file,$(TARGET), $(dir $(file)).$(notdir $(file)).d)
108 $(filter-out $(LINK_INCR) %.so %.o.a %.o.pr.a, $(TARGET)):%.a: $(OBJS)
110 $(VERBOSE)[ -d "$(dir $@)" ] || $(MKDIR) $(dir $@)
112 $(VERBOSE)$(AR) crs $@ $(OBJS)
116 $(filter %.so, $(TARGET)):%.so: $(OBJS) $(CRTN) $(CRT0) $(CRTP) $(LIBDEPS)
117 @$(LINK_SHARED_MESSAGE)
118 $(VERBOSE)[ -d "$(dir $@)" ] || $(MKDIR) $(dir $@)
119 $(VERBOSE)$(call MAKEDEP,$(LD)) $(LD) -m $(LD_EMULATION) \
120 -o $@ $(LDFLAGS_SO) $(addprefix -T,$(LDSCRIPT)) $(CRTP) \
121 $(OBJS) $(REQUIRES_LIBS_LIST) $(LDFLAGS) \
122 $(GCCLIB) $(GCCLIB_EH) $(CRTN)
125 # build an object file (which looks like a lib to a later link-call), which
126 # is either later included as a whole or not at all (important for static
128 LINK_INCR_TARGETS = $(filter $(LINK_INCR) %.o.a %.o.pr.a, $(TARGET))
129 $(LINK_INCR_TARGETS):%.a: $(OBJS) $(LIBDEPS) $(foreach x,$(LINK_INCR_TARGETS),$(LINK_INCR_ONLYGLOBSYMFILE_$(x)))
130 @$(LINK_PARTIAL_MESSAGE)
131 $(VERBOSE)[ -d "$(dir $@)" ] || $(MKDIR) $(dir $@)
132 $(VERBOSE)$(call MAKEDEP,$(LD)) $(LD) -m $(LD_EMULATION) \
134 -o $@ -r $(OBJS) $(LDFLAGS)
135 $(if $(LINK_INCR_ONLYGLOBSYM_$@)$(LINK_INCR_ONLYGLOBSYMFILE_$@), \
136 $(VERBOSE)$(OBJCOPY) \
137 $(foreach f,$(LINK_INCR_ONLYGLOBSYMFILE_$@),--keep-global-symbols=$(f)) \
138 $(foreach f,$(LINK_INCR_ONLYGLOBSYM_$@),-G $(f)) \
142 endif # architecture is defined, really build
144 .PHONY: all clean cleanall config help install oldconfig txtconfig
147 @echo " all - compile and install the libraries locally"
149 @echo " to $(INSTALLDIR_LOCAL)"
151 @echo " install - compile and install the libraries globally"
153 @echo " to $(INSTALLDIR)"
155 @echo " scrub - delete backup and temporary files"
156 @echo " clean - delete generated object files"
157 @echo " cleanall - delete all generated, backup and temporary files"
158 @echo " help - this help"
161 @echo " libraries are: $(TARGET)"
163 @echo " build for architectures: $(TARGET_SYSTEMS)"
166 endif # _L4DIR_MK_LIB_MK undefined