# 3: tempfile for file listings
# 4: find options
-FINDPARAMS := -type f -not -name ".*" -and -not -path "*.svn*"
+DEP_FINDPARAMS := -type f -not -name ".*" -and -not -path "*.svn*"
define rdep
- $(foreach file,$(shell find $(1) $(FINDPARAMS) -and -not -path "*:*" $(4)),
+ $(foreach file,$(shell find $(1) $(DEP_FINDPARAMS) -and -not -path "*:*" $(4)),
$(2): $(file)
$(file): ;
)
- ifneq ($(shell find $(1) $(FINDPARAMS) $(4) 2>/dev/null | md5s),$(shell cat $(3) 2>/dev/null))
- $(2): $(3)
- endif
+ ifneq ($(3),)
+ ifneq ($$(shell find $(1) $(DEP_FINDPARAMS) $(4) 2>/dev/null | md5s),$(if $(3),$(shell cat $(3) 2>/dev/null)))
+ $(2): $(3)
+ endif
- $(3): FORCE
- @find $(1) $(FINDPARAMS) $(4) 2>/dev/null | md5s > $$@
-
+ $(3): FORCE
+ @-find $(1) $(DEP_FINDPARAMS) $(4) 2>/dev/null | md5s > $$@
+ endif
endef