rewrite of the metadata scanning - cleaner code, faster scanning, recursive scanning...
[openwrt/openwrt.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): $(SCAN_DIR)/$(1)/Makefile $(SCAN_STAMP) $(foreach DEP,$(DEPS_$(SCAN_DIR)/$(1)/Makefile) $(SCAN_DEPS),$(wildcard $(if $(filter /%,$(DEP)),$(DEP),$(SCAN_DIR)/$(1)/$(DEP))))
24 { \
25 $$(call progress,Collecting $(SCAN_NAME) info: $(SCAN_DIR)/$(1)) \
26 echo Source-Makefile: $(SCAN_DIR)/$(1)/Makefile; \
27 $(NO_TRACE_MAKE) --no-print-dir DUMP=1 -C $(SCAN_DIR)/$(1) 2>/dev/null || echo "ERROR: please fix $(SCAN_DIR)/$(1)/Makefile" >&2; \
28 echo; \
29 } > $$@ || true
30 endef
31
32 $(FILELIST):
33 rm -f tmp/info/.files-$(SCAN_TARGET)-*
34 find $(SCAN_DIR) $(SCAN_EXTRA) -mindepth 1 $(if $(SCAN_DEPTH),-maxdepth $(SCAN_DEPTH)) -name Makefile | xargs grep -HE 'call (KernelPackage|Build(Package|Kernel))' | sed -e 's#^$(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="$$DEPS" '{ \
40 print "$$(eval $$(call PackageDir," $$0 "))"; \
41 } ' < $<; \
42 true; \
43 ) > $@
44
45 -include tmp/info/.files-$(SCAN_TARGET).mk
46
47 $(TARGET_STAMP):
48 ( \
49 $(NO_TRACE_MAKE) $(FILELIST); \
50 MD5SUM=$$(cat $(FILELIST) | (md5sum || md5) | awk '{print $$1}'); \
51 [ -f "$@.$$MD5SUM" ] || { \
52 rm -f $@.*; \
53 touch $@.$$MD5SUM; \
54 touch $@; \
55 } \
56 )
57
58 tmp/.$(SCAN_TARGET): $(TARGET_STAMP) $(SCAN_STAMP)
59 $(call progress,Collecting $(SCAN_NAME) info: merging...)
60 cat $(FILELIST) | awk '{print "tmp/info/.$(SCAN_TARGET)-" $$0}' | xargs cat > $@
61 $(call progress,Collecting $(SCAN_NAME) info: done)
62 echo
63
64 FORCE:
65 .PHONY: FORCE