Makefile

   1 #
   2 WEBFETCH                := wget
   3 SHA1SUM                 := sha1sum
   4
   5 ALL                     += iproute2
   6 #iproute2-URL            := http://devresources.linuxfoundation.org/dev/iproute2/download/iproute2-2.6.38.tar.bz2
   7 iproute2-URL            := http://mirror.onelab.eu/third-party/iproute2-2.6.38.tar.bz2
   8 iproute2-SHA1SUM        := e9f6d457a06866a2a20a6cba6b3a039b2ec3e14a
   9 iproute2                := $(notdir $(iproute2-URL))
  10
  11 all: $(ALL)
  12 .PHONY: all
  13
  14 ##############################
  15 define download_target
  16 $(1): $($(1))
  17 .PHONY: $($(1))
  18 $($(1)):
  19         @if [ ! -e "$($(1))" ] ; then echo "$(WEBFETCH) $($(1)-URL)" ; $(WEBFETCH) $($(1)-URL) ; fi
  20         @if [ ! -e "$($(1))" ] ; then echo "Could not download source file: $($(1)) does not exist" ; exit 1 ; fi
  21         @if test "$$$$($(SHA1SUM) $($(1)) | awk '{print $$$$1}')" != "$($(1)-SHA1SUM)" ; then \
  22             echo "sha1sum of the downloaded $($(1)) does not match the one from 'Makefile'" ; \
  23             echo "Local copy: $$$$($(SHA1SUM) $($(1)))" ; \
  24             echo "In Makefile: $($(1)-SHA1SUM)" ; \
  25             false ; \
  26         else \
  27             ls -l $($(1)) ; \
  28         fi
  29 endef
  30
  31 $(eval $(call download_target,iproute2))
  32
  33 sources: $(ALL)
  34 .PHONY: sources
  35
  36 ####################
  37 # default - overridden by the build
  38 SPECFILE = iproute.spec
  39
  40 PWD=$(shell pwd)
  41 PREPARCH ?= noarch
  42 RPMDIRDEFS = --define "_sourcedir $(PWD)" --define "_builddir $(PWD)" --define "_srcrpmdir $(PWD)" --define "_rpmdir $(PWD)"
  43 trees: sources
  44         rpmbuild $(RPMDIRDEFS) $(RPMDEFS) --nodeps -bp --target $(PREPARCH) $(SPECFILE)
  45
  46 srpm: sources
  47         rpmbuild $(RPMDIRDEFS) $(RPMDEFS) --nodeps -bs $(SPECFILE)
  48
  49 TARGET ?= $(shell uname -m)
  50 rpm: sources
  51         rpmbuild $(RPMDIRDEFS) $(RPMDEFS) --nodeps --target $(TARGET) -bb $(SPECFILE)
  52
  53 clean:
  54         rm -f *.rpm *.tgz *.bz2 *.gz
  55
  56 ++%: varname=$(subst +,,$@)
  57 ++%:
  58         @echo "$(varname)=$($(varname))"
  59 +%: varname=$(subst +,,$@)
  60 +%:
  61         @echo "$($(varname))"