# TODO: Check modification date of changed header files. If it is
# newer that in source dir, show a warning.

# TODO: Optionaly link the files instead of copying

# Syntax: $(call include-pass-template,<include dir>,<keyword>)
define include-pass-template
	@$(foreach f, $($(2)_HEADERS), cmp --quiet $(SOURCES_DIR)/$(f) $(1)/$(notdir $(f)) \
	   || cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$(f) $(1)/$(notdir $(f)) || exit 1 ; )
	@$(foreach f, $(nobase_$(2)_HEADERS), cmp --quiet $(SOURCES_DIR)/$(f) $(1)/$(f) \
	   || ( mkdir -p $(1)/$(dir $(f)) && cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$(f) $(1)/$(f) ) || exit 1 ; )
	@$(foreach f, $(renamed_$(2)_HEADERS), \
	   srcfname=`echo '$(f)' | sed -e 's/^\(.*\)->.*$$/\1/'` ; destfname=`echo '$(f)' | sed -e 's/^.*->\(.*\)$$/\1/'` ; \
	   cmp --quiet $(SOURCES_DIR)/$${srcfname} $(1)/$${destfname} \
	   || ( mkdir -p `dirname $(1)/$${destfname}` && cp $(CPHEADER_FLAGS) $(SOURCES_DIR)/$${srcfname} $(1)/$${destfname} ) || exit 1 ; )
endef

# Local Variables:
# mode:makefile
# End: