openembedded.mk

   1 #!/bin/make
   2 # Makefile for OpenEmbedded builds
   3 # Licensed under the GPL v2 or later
   4 #
   5 # conf/auto.conf must exist in the same directory as the Makefile (i.e.
   6 # the directory where Makefile is used - it may be a symbolic link to
   7 # this file).  conf/auto.conf defines:
   8 #
   9 # DISTRO - the OpenEmbedded 'distro' to build
  10 # MACHINE - the OpenEmbedded build target machine
  11 #
  12 # All of these values are (should be, must be) quoted in double quotes
  13 include conf/auto.conf
  14
  15 BUILD_DIRS = downloads
  16 REQUIRED_DIRS = bitbake openembedded
  17 FIRMWARE_DEPS = create-topdir $(BUILD_DIRS) $(REQUIRED_DIRS)
  18 BITBAKE = bitbake
  19
  20 image: $(FIRMWARE_DEPS)
  21 ifdef IMAGE_TARGET
  22         . ./setup-env; exec ${BITBAKE} $(IMAGE_TARGET)
  23 else
  24         . ./setup-env; exec ${BITBAKE} $(DISTRO)-image
  25 endif
  26
  27 distro: $(FIRMWARE_DEPS)
  28 ifdef DISTRO_TARGET
  29         . ./setup-env; exec ${BITBAKE} -k $(DISTRO_TARGET)
  30 else
  31         . ./setup-env; exec ${BITBAKE} -k $(DISTRO)-packages
  32 endif
  33
  34 kernel: $(FIRMWARE_DEPS)
  35 ifdef KERNEL_TARGET
  36         . ./setup-env; exec ${BITBAKE} $(KERNEL_TARGET)
  37 else
  38         . ./setup-env; exec ${BITBAKE} virtual/kernel
  39 endif
  40
  41 index:
  42         . ./setup-env; exec ${BITBAKE} package-index
  43
  44 prefetch: $(FIRMWARE_DEPS)
  45 ifdef DISTRO_TARGET
  46         . ./setup-env; exec ${BITBAKE} -k -cfetch $(DISTRO_TARGET)
  47 else
  48         . ./setup-env; exec ${BITBAKE} -k -cfetch $(DISTRO)-packages
  49 endif
  50
  51 # topdir.conf is re-created automatically if the directory is
  52 # moved - this will cause a full bitbake reparse
  53 .PHONY: create-topdir
  54 create-topdir: conf/topdir.conf
  55         . conf/topdir.conf && test "`pwd`" = "$$TOPDIR" || echo "TOPDIR='`pwd`'" > conf/topdir.conf
  56
  57 conf/topdir.conf:
  58         echo "TOPDIR='`pwd`'" >$@
  59
  60 # rules for directories - if a symlink exists and the target does not
  61 # exist something will go wrong in the build, therefore cause a failure
  62 # here by the mkdir.
  63 $(BUILD_DIRS):
  64         test -d $@ || if test -d ../$@; then ln -s ../$@ .; else mkdir $@; fi
  65
  66 # these directories must already exist - either in TOPDIR (here) or in ..
  67 $(REQUIRED_DIRS):
  68         test -d $@ || if test -d ../$@; then ln -s ../$@ .; else exit 1; fi
  69
  70 .PHONY: setup-machine-%
  71 setup-machine-%:
  72         ( grep "MACHINE = \"$*\"" conf/auto.conf > /dev/null ) || \
  73         sed -i -e 's/^MACHINE[[:space:]]*=[[:space:]]*\".*\"/MACHINE = \"$*\"/' conf/auto.conf
  74
  75 .PHONY: setup-distro-%
  76 setup-distro-%:
  77         ( grep "DISTRO = \"$*\"" conf/auto.conf > /dev/null ) || \
  78         sed -i -e 's/^DISTRO[[:space:]]*=[[:space:]]*\".*\"/DISTRO = \"$*\"/' conf/auto.conf
  79
  80 .PHONY: setup-image-%
  81 setup-image-%:
  82         ( grep "IMAGE_TARGET = \"$*\"" conf/auto.conf > /dev/null ) || \
  83         sed -i -e 's/^IMAGE_TARGET[[:space:]]*=[[:space:]]*\".*\"/IMAGE_TARGET = \"$*\"/' conf/auto.conf
  84
  85 .PHONY: setup-packages-%
  86 setup-packages-%:
  87         ( grep "DISTRO_TARGET = \"$*\"" conf/auto.conf > /dev/null ) || \
  88         sed -i -e 's/^DISTRO_TARGET[[:space:]]*=[[:space:]]*\".*\"/DISTRO_TARGET = \"$*\"/' conf/auto.conf
  89
  90 .PHONY: clobber
  91 clobber:
  92         rm -rf tmp
  93
  94 .PHONY: source
  95 source: $(REQUIRED_DIRS)
  96         tar zcf $(DISTRO).tar.gz --exclude=MT --exclude=.svn Makefile setup-env \
  97                 conf/site.conf conf/auto.conf conf/local.conf.sample $(REQUIRED_DIRS:=/.)
  98
  99 # This target probably isn't important any longer, because the -source
 100 # target above does the right thing
 101 .PHONY:
 102 distclean: clobber
 103         rm -rf conf/topdir.conf conf/local.conf $(BUILD_DIRS)
 104
 105 # This target is mainly for testing - it is intended to put the disto directory
 106 # back to its original state, it will destroy a source-tarball system (because
 107 # it removes directories from the tarball).
 108 .PHONY:
 109 really-clean: distclean
 110         rm -rf $(REQUIRED_DIRS) $(DISTRO)-source.tar.gz