meta/conf: Split bitbake config

Split 'bitbake.conf' into two parts: originial bitbake's one and Isar
custom settings. The target config file is generated during configuration
by 'isar-setup-builddir' script.

Signed-off-by: Henning Schild <henning.schild@siemens.com>
Signed-off-by: Alexander Smirnov <asmirnov@ilbers.de>

meta/conf/bitbake.conf.sample → meta/conf/isar-bitbake.conf

@@ -1,4 +1,4 @@
-# Copyright (C) 2003  Chris Larson
+# Copyright (C) 2017  Siemens AG
 #
 # Permission is hereby granted, free of charge, to any person obtaining a
 # copy of this software and associated documentation files (the "Software"),
@@ -18,45 +18,17 @@
 # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 # OTHER DEALINGS IN THE SOFTWARE.
 
-B = "${S}"
-CVSDIR = "${DL_DIR}/cvs"
-DEPENDS = ""
-DEPLOY_DIR = "${TMPDIR}/deploy"
+
 DEPLOY_DIR_DEB = "${TMPDIR}/deploy/deb/${MACHINE}"
-DEPLOY_DIR_IMAGE = "${DEPLOY_DIR}/images"
-DL_DIR = "${TMPDIR}/downloads"
 SSTATE_DIR ?= "${TMPDIR}/sstate-cache"
-FILESDIR = "${@bb.which(bb.data.getVar('FILESPATH', d, 1), '.')}"
-FILESPATH = "${FILE_DIRNAME}/${PF}:${FILE_DIRNAME}/${P}:${FILE_DIRNAME}/${PN}:${FILE_DIRNAME}/files:${FILE_DIRNAME}"
-FILE_DIRNAME = "${@os.path.dirname(bb.data.getVar('FILE', d))}"
-GITDIR = "${DL_DIR}/git"
-IMAGE_CMD = "_NO_DEFINED_IMAGE_TYPES_"
-IMAGE_ROOTFS = "${TMPDIR}/rootfs"
 MKTEMPCMD = "mktemp -q ${TMPBASE}"
 MKTEMPDIRCMD = "mktemp -d -q ${TMPBASE}"
-OVERRIDES = "local:${MACHINE}:${TARGET_OS}:${TARGET_ARCH}"
-P = "${PN}-${PV}"
-PERSISTENT_DIR = "${TMPDIR}/cache"
-PF = "${PN}-${PV}-${PR}"
-PN = "${@bb.parse.BBHandler.vars_from_file(bb.data.getVar('FILE',d),d)[0] or 'defaultpkgname'}"
-PR = "${@bb.parse.BBHandler.vars_from_file(bb.data.getVar('FILE',d),d)[2] or 'r0'}"
-PROVIDES = ""
-PV = "${@bb.parse.BBHandler.vars_from_file(bb.data.getVar('FILE',d),d)[1] or '1.0'}"
 RESUMECOMMAND = ""
 RESUMECOMMAND_wget = "/usr/bin/env wget -c -t 5 --passive-ftp -P ${DL_DIR} ${URI}"
-S = "${WORKDIR}/${P}"
-SRC_URI = "file://${FILE}"
 STAMPS_DIR ?= "${TMPDIR}/stamps"
-STAMP = "${TMPDIR}/stamps/${PF}"
-SVNDIR = "${DL_DIR}/svn"
-T = "${WORKDIR}/temp"
-TARGET_ARCH = "${BUILD_ARCH}"
-TMPDIR = "${TOPDIR}/tmp"
 UPDATECOMMAND = ""
 UPDATECOMMAND_cvs = "/usr/bin/env cvs -d${CVSROOT} update ${CVSCOOPTS}"
 UPDATECOMMAND_svn = "/usr/bin/env svn update ${SVNCOOPTS}"
-WORKDIR = "${TMPDIR}/work/${PF}"
-PERSISTENT_DIR = "${TMPDIR}/cache"
 BUILDCHROOT_DIR = "${TOPDIR}/tmp/work/buildchroot/${DISTRO}/rootfs"
 CACHE = "${TMPDIR}/cache"
 

scripts/isar-setup-builddir

@@ -106,10 +106,35 @@ EOM
     SHOWYPDOC=yes
 fi
 
-if [ ! -f "$BUILDDIR/conf/bitbake.conf" ]; then
-    cp "$ISARROOT/meta/conf/bitbake.conf.sample" \
-       "$BUILDDIR/conf/bitbake.conf"
-fi
+cat <<EOF > $BUILDDIR/conf/bitbake.conf
+# ********************************************
+# THIS FILE IS GENERATED! DO NOT MESS WITH IT!
+# ********************************************
+
+# ---------
+# begin original bitbake.conf
+# ---------
+
+EOF
+cat "$ISARROOT/bitbake/conf/bitbake.conf" >> \
+  "$BUILDDIR/conf/bitbake.conf"
+cat <<EOF >> $BUILDDIR/conf/bitbake.conf
+# ---------
+# end original bitbake.conf
+# ---------
+
+# ---------
+# begin isar-bitbake.conf
+# ---------
+
+EOF
+cat "$ISARROOT/meta/conf/isar-bitbake.conf" >> \
+  "$BUILDDIR/conf/bitbake.conf"
+cat <<EOF >> $BUILDDIR/conf/bitbake.conf
+# ---------
+# end isar-bitbake.conf
+# ---------
+EOF
 
 # Ending the first-time run message. Show the no documentation banner.
 if [ ! -z "$SHOWYPDOC" ]; then