167 lines
5.8 KiB
Makefile
167 lines
5.8 KiB
Makefile
# -*- Makefile -*-
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#
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# DROPS (Dresden Realtime OPerating System) Component
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#
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# Makefile-Template for library directories
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#
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# install.inc is used, see there for further documentation
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# binary.inc is used, see there for further documentation
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ifeq ($(origin _L4DIR_MK_LIB_MK),undefined)
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_L4DIR_MK_LIB_MK=y
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ROLE = lib.mk
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# define INSTALLDIRs prior to including install.inc, where the install-
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# rules are defined. Same for INSTALLDIR.
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ifeq ($(MODE),host)
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INSTALLDIR_LIB ?= $(DROPS_STDDIR)/lib/host
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INSTALLDIR_LIB_LOCAL ?= $(OBJ_BASE)/lib/host
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else
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INSTALLDIR_LIB ?= $(DROPS_STDDIR)/lib/$(subst -,/,$(SYSTEM))
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INSTALLDIR_LIB_LOCAL ?= $(OBJ_BASE)/lib/$(subst -,/,$(SYSTEM))
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endif
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INSTALLFILE_LIB ?= $(INSTALL) -m 644 $(1) $(2)
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INSTALLFILE_LIB_LOCAL ?= $(LN) -sf $(call absfilename,$(1)) $(2)
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INSTALLFILE = $(INSTALLFILE_LIB)
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INSTALLDIR = $(INSTALLDIR_LIB)
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INSTALLFILE_LOCAL = $(INSTALLFILE_LIB_LOCAL)
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INSTALLDIR_LOCAL = $(INSTALLDIR_LIB_LOCAL)
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# our mode
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MODE ?= lib
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# sanity check for proper mode
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ifneq ($(filter-out lib host,$(MODE)),)
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$(error MODE=$(MODE) not possible when building libraries)
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endif
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# all libraries are built using the wraped utcb-getter
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CPPFLAGS += -DL4SYS_USE_UTCB_WRAP=1
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# include all Makeconf.locals, define common rules/variables
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include $(L4DIR)/mk/Makeconf
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include $(L4DIR)/mk/binary.inc
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$(GENERAL_D_LOC): $(L4DIR)/mk/lib.mk
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ifneq ($(SYSTEM),) # if we are a system, really build
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TARGET_LIB := $(TARGET) $(TARGET_$(OSYSTEM))
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TARGET_SHARED := $(filter %.so,$(TARGET_LIB))
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TARGET_STANDARD := $(filter-out %.so,$(TARGET_LIB))
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TARGET_PROFILE := $(patsubst %.a,%.pr.a,\
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$(filter $(BUILD_PROFILE),$(TARGET_STANDARD)))
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TARGET_PROFILE_SHARED := $(filter %.so,$(TARGET_PROFILE))
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TARGET_PIC := $(patsubst %.a,%.p.a,\
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$(filter $(BUILD_PIC),$(TARGET_STANDARD)))
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TARGET_PROFILE_PIC := $(patsubst %.a,%.p.a,\
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$(filter $(BUILD_PIC),$(TARGET_PROFILE)))
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TARGET += $(TARGET_$(OSYSTEM)) $(TARGET_PIC)
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TARGET += $(TARGET_PROFILE) $(TARGET_PROFILE_SHARED) $(TARGET_PROFILE_PIC)
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# define some variables different for lib.mk and prog.mk
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LDFLAGS += $(addprefix -L, $(PRIVATE_LIBDIR) $(PRIVATE_LIBDIR_$(OSYSTEM)) $(PRIVATE_LIBDIR_$@) $(PRIVATE_LIBDIR_$@_$(OSYSTEM)))
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LDFLAGS += $(addprefix -L, $(L4LIBDIR))
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LDFLAGS += $(LIBCLIBDIR)
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LDFLAGS_SO ?= -shared -nostdlib
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BID_LDFLAGS_FOR_LINKING_DYN_LD = $(LDFLAGS)
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BID_LDFLAGS_FOR_GCC_DYN = $(filter -static -shared -nostdlib -Wl$(BID_COMMA)% -L% -l%,$(LDFLAGS))
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BID_LDFLAGS_FOR_LD_DYN = $(filter-out -static -shared -nostdlib -Wl$(BID_COMMA)% -L% -l%,$(LDFLAGS))
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BID_LDFLAGS_FOR_LINKING_DYN_GCC = $(addprefix -Wl$(BID_COMMA),$(BID_LDFLAGS_FOR_LD_DYN)) $(BID_LDFLAGS_FOR_GCC_DYN)
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LDSCRIPT = $(LDS_so)
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LDSCRIPT_INCR ?= /dev/null
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CRT0 = $(CRTI_so) $(CRTBEGIN_so) $(CRT1_so)
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CRTN = $(CRTN_so)
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# install.inc eventually defines rules for every target
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include $(L4DIR)/mk/install.inc
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ifeq ($(NOTARGETSTOINSTALL),)
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PC_LIBS ?= $(patsubst lib%.so,-l%,$(TARGET_SHARED) \
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$(patsubst lib%.a,-l%,$(TARGET_STANDARD)))
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PC_FILENAME ?= $(PKGNAME)
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PC_FILENAMES ?= $(PC_FILENAME)
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PC_FILES := $(foreach pcfile,$(PC_FILENAMES),$(OBJ_BASE)/pc/$(pcfile).pc)
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# 1: basename
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# 2: pcfilename
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get_cont = $(if $($(1)_$(2)),$($(1)_$(2)),$($(1)))
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$(OBJ_BASE)/pc/%.pc: $(GENERAL_D_LOC)
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$(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)
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$(VERBOSE)$(call generate_pcfile,$*,$@,$(call get_cont,CONTRIB_INCDIR,$*),$(call get_cont,PC_LIBS,$*),$(call get_cont,REQUIRES_LIBS,$*))
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all:: $(PC_FILES)
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endif
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DEPS += $(foreach file,$(TARGET), $(dir $(file)).$(notdir $(file)).d)
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$(filter-out $(LINK_INCR) %.so %.o.a %.o.pr.a, $(TARGET)):%.a: $(OBJS)
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@$(AR_MESSAGE)
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$(VERBOSE)[ -d "$(dir $@)" ] || $(MKDIR) $(dir $@)
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$(VERBOSE)$(RM) $@
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$(VERBOSE)$(AR) crs $@ $(OBJS)
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@$(BUILT_MESSAGE)
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# shared lib
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$(filter %.so, $(TARGET)):%.so: $(OBJS) $(CRTN) $(CRT0) $(CRTP) $(LIBDEPS)
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@$(LINK_SHARED_MESSAGE)
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$(VERBOSE)[ -d "$(dir $@)" ] || $(MKDIR) $(dir $@)
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$(VERBOSE)$(call MAKEDEP,$(LD)) $(LD) \
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-o $@ $(LDFLAGS_SO) $(addprefix -T,$(LDSCRIPT)) $(CRTP) \
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$(OBJS) $(REQUIRES_LIBS_LIST) $(LDFLAGS) \
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$(GCCLIB_SO) $(GCCLIB_EH) $(CRTN)
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@$(BUILT_MESSAGE)
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# build an object file (which looks like a lib to a later link-call), which
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# is either later included as a whole or not at all (important for static
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# constructors)
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LINK_INCR_TARGETS = $(filter $(LINK_INCR) %.o.a %.o.pr.a, $(TARGET))
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$(LINK_INCR_TARGETS):%.a: $(OBJS) $(LIBDEPS) $(foreach x,$(LINK_INCR_TARGETS),$(LINK_INCR_ONLYGLOBSYMFILE_$(x)))
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@$(LINK_PARTIAL_MESSAGE)
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$(VERBOSE)[ -d "$(dir $@)" ] || $(MKDIR) $(dir $@)
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$(VERBOSE)$(call MAKEDEP,$(LD)) $(LD) \
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-T$(LDSCRIPT_INCR) \
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-o $@ -r $(OBJS) $(LDFLAGS)
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$(if $(LINK_INCR_ONLYGLOBSYM_$@)$(LINK_INCR_ONLYGLOBSYMFILE_$@), \
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$(VERBOSE)$(OBJCOPY) \
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$(foreach f,$(LINK_INCR_ONLYGLOBSYMFILE_$@),--keep-global-symbols=$(f)) \
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$(foreach f,$(LINK_INCR_ONLYGLOBSYM_$@),-G $(f)) \
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$@)
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@$(BUILT_MESSAGE)
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endif # architecture is defined, really build
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.PHONY: all clean cleanall config help install oldconfig txtconfig
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-include $(DEPSVAR)
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help::
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@echo " all - compile and install the libraries locally"
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ifneq ($(SYSTEM),)
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@echo " to $(INSTALLDIR_LOCAL)"
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endif
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@echo " install - compile and install the libraries globally"
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ifneq ($(SYSTEM),)
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@echo " to $(INSTALLDIR)"
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endif
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@echo " scrub - delete backup and temporary files"
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@echo " clean - delete generated object files"
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@echo " cleanall - delete all generated, backup and temporary files"
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@echo " help - this help"
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@echo
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ifneq ($(SYSTEM),)
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@echo " libraries are: $(TARGET)"
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else
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@echo " build for architectures: $(TARGET_SYSTEMS)"
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endif
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endif # _L4DIR_MK_LIB_MK undefined
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