#----------------------------*- makefile-gmake -*------------------------------

# The dependency generation program
# 1. wmkdepend  : Ragel-based
# 2. wmkdep     : Flex-based (slower, ulimit problem)
# 3. makeDepend : cpp -M (for testing only)

WMKDEP  := $(WMAKE_BIN)/wmkdepend
# WMKDEP  := $(WMAKE_BIN)/wmkdep
# WMKDEP  := $(WM_SCRIPTS)/makeDepend

WMKDEP_FLAGS := -eWM_PROJECT_DIR -eWM_THIRD_PARTY_DIR

ifneq (,$(strip $(WM_QUIET)))
    E=@
    define QUIET_MESSAGE
        @echo "    $1: $2";
    endef
    define VERBOSE_MESSAGE
    endef
    WMKDEP_FLAGS += -q
else
    E=
    define QUIET_MESSAGE
    endef
    define VERBOSE_MESSAGE
        @echo "$1 $2";
    endef
endif

define DEFINE_TRANSFORM
$(OBJECTS_DIR)/%.o : %$1
	$(call QUIET_MESSAGE,$(subst .,,$(1))too,$(value <F))
	$E $$($(subst .,,$(1))too)
endef

$(foreach s,$(SUFFIXES),$(eval $(call DEFINE_TRANSFORM,$(s))))

$(OBJECTS_DIR)/%.dep : %
	$(call QUIET_MESSAGE,dep,$(<F))
	$(call VERBOSE_MESSAGE,Making dependencies:,$(<F))
	@$(WM_SCRIPTS)/makeTargetDir $@
	@$(WMKDEP) $(WMKDEP_FLAGS) -o$@ -I$(*D) $(LIB_HEADER_DIRS) $<

#------------------------------------------------------------------------------