Files
foc/l4/mk/lib.mk
2018-06-25 15:44:17 +02:00

187 lines
6.6 KiB
Makefile

# -*- Makefile -*-
#
# DROPS (Dresden Realtime OPerating System) Component
#
# Makefile-Template for library directories
#
# install.inc is used, see there for further documentation
# binary.inc is used, see there for further documentation
ifeq ($(origin _L4DIR_MK_LIB_MK),undefined)
_L4DIR_MK_LIB_MK=y
ROLE = lib.mk
# define INSTALLDIRs prior to including install.inc, where the install-
# rules are defined. Same for INSTALLDIR.
ifeq ($(MODE),host)
INSTALLDIR_LIB ?= $(DROPS_STDDIR)/lib/host
INSTALLDIR_LIB_LOCAL ?= $(OBJ_BASE)/lib/host
else
INSTALLDIR_LIB ?= $(DROPS_STDDIR)/lib/$(subst -,/,$(SYSTEM))
INSTALLDIR_LIB_LOCAL ?= $(OBJ_BASE)/lib/$(subst -,/,$(SYSTEM))
endif
INSTALLFILE_LIB ?= $(INSTALL) -m 644 $(1) $(2)
INSTALLFILE_LIB_LOCAL ?= $(LN) -sf $(call absfilename,$(1)) $(2)
INSTALLFILE = $(INSTALLFILE_LIB)
INSTALLDIR = $(INSTALLDIR_LIB)
INSTALLFILE_LOCAL = $(INSTALLFILE_LIB_LOCAL)
INSTALLDIR_LOCAL = $(INSTALLDIR_LIB_LOCAL)
# our mode
MODE ?= lib
# sanity check for proper mode
ifneq ($(filter-out lib host,$(MODE)),)
$(error MODE=$(MODE) not possible when building libraries)
endif
# removed 2014/02
ifneq ($(BUILD_PIC),)
$(error BUILD_PIC=$(BUILD_PIC) is obsolete, use <xxx>.p.a as extra TARGET instead)
endif
# all libraries are built using the wraped utcb-getter
CPPFLAGS += -DL4SYS_USE_UTCB_WRAP=1
# include all Makeconf.locals, define common rules/variables
include $(L4DIR)/mk/Makeconf
include $(L4DIR)/mk/binary.inc
$(GENERAL_D_LOC): $(L4DIR)/mk/lib.mk
ifneq ($(SYSTEM),) # if we are a system, really build
TARGET_LIB := $(TARGET) $(TARGET_$(OSYSTEM))
TARGET_SHARED := $(filter %.so,$(TARGET_LIB))
TARGET_PIC := $(filter %.p.a,$(TARGET_LIB))
TARGET_STANDARD := $(filter-out $(TARGET_SHARED) $(TARGET_PIC), $(TARGET_LIB))
$(call GENERATE_PER_TARGET_RULES,$(TARGET_STANDARD))
$(call GENERATE_PER_TARGET_RULES,$(TARGET_PIC) $(TARGET_SHARED),.s)
TARGET_PROFILE := $(patsubst %.a,%.pr.a,\
$(filter $(BUILD_PROFILE),$(TARGET_STANDARD)))
TARGET_PROFILE_SHARED := $(filter %.so,$(TARGET_PROFILE))
TARGET_PROFILE_PIC := $(patsubst %.a,%.p.a,\
$(filter $(BUILD_PIC),$(TARGET_PROFILE)))
$(call GENERATE_PER_TARGET_RULES,$(TARGET_PROFILE),.pr)
$(call GENERATE_PER_TARGET_RULES,$(TARGET_PROFILE_PIC) $(TARGET_PROFILE_SHARED),.pr)
TARGET += $(TARGET_$(OSYSTEM))
TARGET += $(TARGET_PROFILE) $(TARGET_PROFILE_SHARED) $(TARGET_PROFILE_PIC)
# define some variables different for lib.mk and prog.mk
LDFLAGS += $(addprefix -L, $(PRIVATE_LIBDIR) $(PRIVATE_LIBDIR_$(OSYSTEM)) $(PRIVATE_LIBDIR_$@) $(PRIVATE_LIBDIR_$@_$(OSYSTEM)))
LDFLAGS += $(addprefix -L, $(L4LIBDIR))
LDFLAGS += $(LIBCLIBDIR)
LDFLAGS_SO ?= -shared
BID_LDFLAGS_FOR_LINKING_DYN_LD = $(LDFLAGS)
BID_LDFLAGS_FOR_GCC_DYN = $(filter -static -shared -nostdlib -Wl$(BID_COMMA)% -L% -l%,$(LDFLAGS))
BID_LDFLAGS_FOR_LD_DYN = $(filter-out -static -shared -nostdlib -Wl$(BID_COMMA)% -L% -l%,$(LDFLAGS))
BID_LDFLAGS_FOR_LINKING_DYN_GCC = $(addprefix -Wl$(BID_COMMA),$(BID_LDFLAGS_FOR_LD_DYN)) $(BID_LDFLAGS_FOR_GCC_DYN)
LDSCRIPT = $(LDS_so)
LDSCRIPT_INCR ?= /dev/null
# install.inc eventually defines rules for every target
include $(L4DIR)/mk/install.inc
ifeq ($(NOTARGETSTOINSTALL),)
PC_LIBS ?= $(sort $(patsubst lib%.so,-l%,$(TARGET_SHARED) \
$(patsubst lib%.a,-l%,$(TARGET_STANDARD))))
PC_FILENAME ?= $(PKGNAME)
PC_FILENAMES ?= $(PC_FILENAME)
PC_FILES := $(foreach pcfile,$(PC_FILENAMES),$(OBJ_BASE)/pc/$(pcfile).pc)
# 1: basename
# 2: pcfilename
get_cont = $(if $($(1)_$(2)),$($(1)_$(2)),$($(1)))
# Ths must contain all the contents of all possible PC files as used in
# below generate_pcfile
PC_FILES_CONTENTS := $(strip $(foreach pcfile,$(PC_FILENAMES),\
$(call get_cont,CONTRIB_INCDIR,$(pcfile)) \
$(call get_cont,PC_LIBS,$(pcfile)) \
$(call get_cont,REQUIRES_LIBS,$(pcfile)) \
$(call get_cont,PC_CFLAGS,$(pcfile)) $(call get_cont,PC_EXTRA,$(pcfile))))
ifneq ($(PC_FILES_CONTENTS),)
# when adding something to generate_pcfile it must also be added to the
# PC_FILES_CONTENTS above, otherwise PC files may not be generated
$(patsubst %,$(OBJ_BASE)/pc/%.pc,$(PC_FILENAMES)):$(OBJ_BASE)/pc/%.pc: $(GENERAL_D_LOC)
@$(call GEN_MESSAGE,$(@F))
$(VERBOSE)$(call generate_pcfile,$*,$@,$(call get_cont,CONTRIB_INCDIR,$*),$(call get_cont,PC_LIBS,$*),$(call get_cont,REQUIRES_LIBS,$*),$(call get_cont,PC_CFLAGS,$*),$(call get_cont,PC_EXTRA,$*))
all:: $(PC_FILES)
endif
endif
DEPS += $(foreach file,$(TARGET), $(call BID_LINK_DEPS,$(file)))
$(filter-out $(LINK_INCR) %.so %.o.a %.o.pr.a, $(TARGET)):%.a: $(OBJS)
@$(AR_MESSAGE)
$(VERBOSE)[ -d "$(dir $@)" ] || $(MKDIR) $(dir $@)
$(VERBOSE)$(RM) $@
$(VERBOSE)$(AR) crs$(if $(filter %.thin.a,$@),T) $@ $(OBJS)
@$(BUILT_MESSAGE)
# shared lib
$(filter %.so, $(TARGET)):%.so: $(OBJS) $(LIBDEPS)
@$(LINK_SHARED_MESSAGE)
$(VERBOSE)[ -d "$(dir $@)" ] || $(MKDIR) $(dir $@)
$(VERBOSE)$(call MAKEDEP,$(LD)) $(BID_LINK) -MD -MF $(call BID_link_deps_file,$@) -o $@ $(LDFLAGS_SO) \
$(LDFLAGS) $(OBJS) $(addprefix -PC,$(REQUIRES_LIBS))
@$(BUILT_MESSAGE)
# build an object file (which looks like a lib to a later link-call), which
# is either later included as a whole or not at all (important for static
# constructors)
LINK_INCR_TARGETS = $(filter $(LINK_INCR) %.o.a %.o.pr.a, $(TARGET))
$(LINK_INCR_TARGETS):%.a: $(OBJS) $(LIBDEPS) $(foreach x,$(LINK_INCR_TARGETS),$(LINK_INCR_ONLYGLOBSYMFILE_$(x)))
@$(LINK_PARTIAL_MESSAGE)
$(VERBOSE)[ -d "$(dir $@)" ] || $(MKDIR) $(dir $@)
$(VERBOSE)$(call MAKEDEP,$(LD)) $(LD) \
-T $(LDSCRIPT_INCR) \
-o $@ -r $(OBJS) $(LDFLAGS)
$(if $(LINK_INCR_ONLYGLOBSYM_$@)$(LINK_INCR_ONLYGLOBSYMFILE_$@), \
$(VERBOSE)$(OBJCOPY) \
$(foreach f,$(LINK_INCR_ONLYGLOBSYMFILE_$@),--keep-global-symbols=$(f)) \
$(foreach f,$(LINK_INCR_ONLYGLOBSYM_$@),-G $(f)) \
$@)
@$(BUILT_MESSAGE)
endif # architecture is defined, really build
.PHONY: all clean cleanall config help install oldconfig txtconfig
-include $(DEPSVAR)
help::
@echo " all - compile and install the libraries locally"
ifneq ($(SYSTEM),)
@echo " to $(INSTALLDIR_LOCAL)"
endif
@echo " install - compile and install the libraries globally"
ifneq ($(SYSTEM),)
@echo " to $(INSTALLDIR)"
endif
@echo " scrub - delete backup and temporary files"
@echo " clean - delete generated object files"
@echo " cleanall - delete all generated, backup and temporary files"
@echo " help - this help"
@echo
ifneq ($(SYSTEM),)
@echo " libraries are: $(TARGET)"
else
@echo " build for architectures: $(TARGET_SYSTEMS)"
endif
endif # _L4DIR_MK_LIB_MK undefined