follow symlinks in package scan
[openwrt-10.03/.git] / include / scan.mk
1 include $(TOPDIR)/include/verbose.mk
2
3 all: tmp/.$(SCAN_TARGET)
4
5 SCAN_TARGET ?= packageinfo
6 SCAN_NAME ?= package
7 SCAN_DIR ?= package
8 TARGET_STAMP:=tmp/info/.files-$(SCAN_TARGET).stamp
9 FILELIST:=tmp/info/.files-$(SCAN_TARGET)-$(SCAN_COOKIE)
10
11 ifeq ($(IS_TTY),1)
12   define progress
13         printf "\033[M\r$(1)" >&2;
14   endef
15 else
16   define progress
17         :
18   endef
19 endif
20
21 define PackageDir
22   tmp/.$(SCAN_TARGET): tmp/info/.$(SCAN_TARGET)-$(1)
23   tmp/info/.$(SCAN_TARGET)-$(1): $(SCAN_DIR)/$(2)/Makefile $(SCAN_STAMP) $(foreach DEP,$(DEPS_$(SCAN_DIR)/$(1)/Makefile) $(SCAN_DEPS),$(wildcard $(if $(filter /%,$(DEP)),$(DEP),$(SCAN_DIR)/$(1)/$(DEP))))
24         { \
25                 $$(call progress,Collecting $(SCAN_NAME) info: $(SCAN_DIR)/$(2)) \
26                 echo Source-Makefile: $(SCAN_DIR)/$(2)/Makefile; \
27                 $(NO_TRACE_MAKE) --no-print-dir DUMP=1 -C $(SCAN_DIR)/$(2) 2>/dev/null || echo "ERROR: please fix $(SCAN_DIR)/$(2)/Makefile" >&2; \
28                 echo; \
29         } > $$@ || true
30 endef
31
32 $(FILELIST):
33         rm -f tmp/info/.files-$(SCAN_TARGET)-*
34         find -L $(SCAN_DIR) $(SCAN_EXTRA) -mindepth 1 $(if $(SCAN_DEPTH),-maxdepth $(SCAN_DEPTH)) -name Makefile | xargs grep -HE 'call (Build/DefaultTargets|KernelPackage|Build(Package|Kernel))' | sed -e 's#^$(SCAN_DIR)/##' -e 's#/Makefile:.*##' | uniq > $@
35
36 tmp/info/.files-$(SCAN_TARGET).mk: $(FILELIST)
37         ( \
38                 cat $< | awk '{print "$(SCAN_DIR)/" $$0 "/Makefile" }' | xargs grep -HE '^ *SCAN_DEPS *= *' | awk -F: '{ gsub(/^.*DEPS *= */, "", $$2); print "DEPS_" $$1 "=" $$2 }'; \
39                 awk -v deps="$$DEPS" '{ \
40                         info=$$0; \
41                         gsub(/\//, "_", info); \
42                         print "$$(eval $$(call PackageDir," info "," $$0 "))"; \
43                 } ' < $<; \
44                 true; \
45         ) > $@
46
47 -include tmp/info/.files-$(SCAN_TARGET).mk
48
49 $(TARGET_STAMP):
50         ( \
51                 $(NO_TRACE_MAKE) $(FILELIST); \
52                 MD5SUM=$$(cat $(FILELIST) | (md5sum || md5) | awk '{print $$1}'); \
53                 [ -f "$@.$$MD5SUM" ] || { \
54                         rm -f $@.*; \
55                         touch $@.$$MD5SUM; \
56                         touch $@; \
57                 } \
58         )
59
60 tmp/.$(SCAN_TARGET): $(TARGET_STAMP) $(SCAN_STAMP)
61         $(call progress,Collecting $(SCAN_NAME) info: merging...)
62         cat $(FILELIST) | awk '{gsub(/\//, "_", $$0);print "tmp/info/.$(SCAN_TARGET)-" $$0}' | xargs cat > $@
63         $(call progress,Collecting $(SCAN_NAME) info: done)
64         echo
65
66 FORCE:
67 .PHONY: FORCE