# # Copyright (C) 2007 OpenWrt.org # # This is free software, licensed under the GNU General Public License v2. # See /LICENSE for more information. # # define a dependency on a subtree # parameters: # 1: directories/files # 2: directory dependency # 3: tempfile for file listings # 4: find options DEP_FINDPARAMS := -x "*.svn*" -x ".*" -x "*.svn*" -x "*:*" -x "*\!*" -x "* *" -x "*\\\#*" -x "*/.*_check" find_md5=find $(1) -type f $(patsubst -x,-and -not -path,$(DEP_FINDPARAMS) $(2)) | md5s define rdep .PRECIOUS: $(2) .SILENT: $(2)_check $(2): $(2)_check $(2)_check:: if [ -f "$(2)" ]; then \ $(if $(3), \ $(call find_md5,$(1),$(4)) > $(3).1; \ { [ \! -f "$(3)" ] || diff $(3) $(3).1 >/dev/null; } && \ ) \ { \ [ -f "$(2)_check.1" ] && mv "$(2)_check.1"; \ $(TOPDIR)/scripts/timestamp.pl $(DEP_FINDPARAMS) $(4) -n $(2) $(1) && { \ $(call debug_eval,$(SUBDIR),r,echo "No need to rebuild $(2)";) \ touch -r "$(2)" "$(2)_check"; \ } \ } || { \ $(call debug_eval,$(SUBDIR),r,echo "Need to rebuild $(2)";) \ touch "$(2)_check"; \ }; \ $(if $(3), mv $(3).1 $(3);) \ else \ $(if $(3), rm -f $(3) $(3).1;) \ $(call debug_eval,$(SUBDIR),r,echo "Target $(2) not built";) \ true; \ fi endef -master upstream openwrtJames
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