Makefile

   1 #
   2 WEBFETCH                := wget
   3 SHA1SUM                 := sha1sum
   4
   5 ALL                     += iptables
   6 iptables-URL1           := http://mirror.onelab.eu/third-party/iptables-1.4.12.1.tar.bz2
   7 iptables-URL2           := http://planet-lab.org/third-party/iptables-1.4.12.1.tar.bz2
   8 iptables-SHA1SUM        := 86022c3b5129ad7105f5087ec1349e99cc5a9728
   9 iptables                := $(notdir $(iptables-URL))
  10
  11 ##############################
  12 define download_target
  13 $(1): $($(1))
  14 .PHONY: $(1)
  15 $($(1)):
  16         @if [ ! -e "$($(1))" ] ; then \
  17         { echo Using primary; echo "$(WEBFETCH) $($(1)-URL1)" ; $(WEBFETCH) $($(1)-URL1) ; } || \
  18         { echo Using secondary; echo "$(WEBFETCH) $($(1)-URL2)" ; $(WEBFETCH) $($(1)-URL2) ; } ; fi
  19         @if [ ! -e "$($(1))" ] ; then echo "Could not download source file: $($(1)) does not exist" ; exit 1 ; fi
  20         @if test "$$$$($(SHA1SUM) $($(1)) | awk '{print $$$$1}')" != "$($(1)-SHA1SUM)" ; then \
  21             echo "sha1sum of the downloaded $($(1)) does not match the one from 'Makefile'" ; \
  22             echo "Local copy: $$$$($(SHA1SUM) $($(1)))" ; \
  23             echo "In Makefile: $($(1)-SHA1SUM)" ; \
  24             false ; \
  25         else \
  26             ls -l $($(1)) ; \
  27         fi
  28 endef
  29
  30 $(eval $(call download_target,iptables))
  31
  32 sources: $(ALL)
  33 .PHONY: sources
  34
  35 ####################
  36 # default - overridden by the build
  37 SPECFILE = iptables.spec
  38
  39 PWD=$(shell pwd)
  40 PREPARCH ?= noarch
  41 RPMDIRDEFS = --define "_sourcedir $(PWD)" --define "_builddir $(PWD)" --define "_srcrpmdir $(PWD)" --define "_rpmdir $(PWD)"
  42 trees: sources
  43         rpmbuild $(RPMDIRDEFS) $(RPMDEFS) --nodeps -bp --target $(PREPARCH) $(SPECFILE)
  44
  45 srpm: sources
  46         rpmbuild $(RPMDIRDEFS) $(RPMDEFS) --nodeps -bs $(SPECFILE)
  47
  48 TARGET ?= $(shell uname -m)
  49 rpm: sources
  50         rpmbuild $(RPMDIRDEFS) $(RPMDEFS) --nodeps --target $(TARGET) -bb $(SPECFILE)
  51
  52 clean:
  53         rm -f *.rpm *.tgz *.bz2 *.gz
  54
  55 ++%: varname=$(subst +,,$@)
  56 ++%:
  57         @echo "$(varname)=$($(varname))"
  58 +%: varname=$(subst +,,$@)
  59 +%:
  60         @echo "$($(varname))"