2 # Copyright (C) 2007 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
7 # define a dependency on a subtree
10 # 2: directory dependency
11 # 3: tempfile for file listings
14 DEP_FINDPARAMS := -x "*.svn*" -x ".*" -x "*.svn*" -x "*:*" -x "*\!*" -x "* *" -x "*\\\#*" -x "*/.*_check"
16 find_md5=find $(1) -type f $(patsubst -x,-and -not -path,$(DEP_FINDPARAMS) $(2)) | md5s
24 if [ -f "$(2)" ]; then \
26 $(call find_md5,$(1),$(4)) > $(3).1; \
27 { [ \! -f "$(3)" ] || diff $(3) $(3).1 >/dev/null; } && \
30 [ -f "$(2)_check.1" ] && mv "$(2)_check.1"; \
31 $(TOPDIR)/scripts/timestamp.pl $(DEP_FINDPARAMS) $(4) -n $(2) $(1) && { \
32 $(call debug_eval,$(SUBDIR),r,echo "No need to rebuild $(2)";) \
33 touch -r "$(2)" "$(2)_check"; \
36 $(call debug_eval,$(SUBDIR),r,echo "Need to rebuild $(2)";) \
39 $(if $(3), mv $(3).1 $(3);) \
41 $(if $(3), rm -f $(3) $(3).1;) \
42 $(call debug_eval,$(SUBDIR),r,echo "Target $(2) not built";) \