--- branches/magellan-next/include/kernel.sminc	2011/12/01 15:50:56	9463
+++ trunk/include/kernel.sminc	2013/10/09 08:02:31	19654
@@ -2,15 +2,26 @@
 # $Id$
 
 # needed extra vars:
-#   ${KERNEL_TYPE}:   needed, 'sources', 'headers' or 'image'
-#   ${BRANCH}:        needed, style branch of the kernel
-#   ${KERNEL_CONFIG}: optional, needed if you want to override the default
-#                     searchpath ${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}
+#  ${KERNEL_TYPE}:       needed, 'sources', 'headers' or 'image'
+#  ${BRANCH}:            needed, style branch of the kernel
+#  ${KERNEL_CONFIG}:     optional, needed if you want to override the default
+#                        searchpath ${SOURCEDIR}/${PNAME}/config-${PVER}-${BRANCH}-${PBUILD}
 #
-#   ${PSUBVER}:       optional, only needed for 2.6.x.x naming scheme
-#   ${EXTRAVERSION}:  optinal, extra version for the kernel name
-#                     default setting is ${PSUBVER}-${BRANCH}-${PBUILD}
-#   ${KERNEL_IMAGE_PATH}: override the default KERNEL_IMAGE_PATH (to build xen images for e.g.)
+#  ${PSUBVER}:           optional, only needed for 2.6.x.x naming scheme
+#  ${EXTRAVERSION}:      optinal, extra version for the kernel name
+#                        default setting is ${PSUBVER}-${BRANCH}-${PBUILD}
+#  ${KERNEL_IMAGE_PATH}: override the default KERNEL_IMAGE_PATH (to build xen images for e.g.)
+#  ${COMPRESS_MODULES}:  compresses the kernel modules with given compressor (gzip|bzip2|xz)
+#  ${LINUX_FIRMWARE}:    remove included firmware bits if requested
+#                        set the version here like USE_LINUX_FIRMARE="20110605"
+#                        version "internal" keeps the bits too
+#
+#  ${INCLUDE_KERNELVERSION_FILE}: creates a /boot/kernelversion file (deprecated)
+#  ${USE_KERNEL_SYMLINKS}: creates symlinks to unversioned kernel image files
+#			   - kernel-x.x.x.x -> /boot/vmlinuz
+#			   - initrd-x.x.x.x -> /boot/initrd
+#			   - config-x.x.x.x -> /boot/config
+#			   - System.map-x.x.x.x -> /boot/System.map
 
 sminclude mtools
 
@@ -22,52 +33,77 @@
 	KERNEL_ARCH_EXTENSION=""
 fi
 
+if [[ ! -z ${COMPRESS_MODULES} ]]
+then
+	case ${COMPRESS_MODULES} in
+		gzip)
+			COMPRESS_MODULES_CMD="gzip -9v"
+			SDEPEND="${SDEPEND}
+				>= app-arch/gzip-1.4"
+			;;
+		bzip2)
+			COMPRESS_MODULES_CMD="bzip2 -9v"
+			SDEPEND="${SDEPEND}
+				>= app-arch/bzip2-1.0.6"
+			;;
+		xz)
+			COMPRESS_MODULES_CMD="xz -9v"
+			SDEPEND="${SDEPEND}
+				>= app-arch/xz-5"
+			;;
+		none)
+			echo "Disabled compressed kernel-modules!"
+			COMPRESS_MODULES_CMD=""
+			;;
+		*) die "Unkown compression format '${COMPRESS_MODULES}'" ;;
+	esac
+fi
+
 # some sane defaults
-: ${PCATEGORIE="sys-kernel"}
+: ${PCAT="sys-kernel"}
 : ${HOMEPAGE="http://magellan-linux.de/"}
-: ${SRCFILE="linux-${PVER/${PSUBVER}/}.tar.bz2"}
-: ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
 : ${TARBALLPVER="${PVER}"}
+: ${SRCFILE="linux-${TARBALLPVER}.tar.bz2"}
+: ${SRCDIR="${BUILDDIR}/linux-${PVER}-${BRANCH}-${PBUILD}"}
 
-case ${KERNEL_TYPE} in
-	image|sources)
-		if [[ -z ${SRC_URI[*]} ]]
-		then
-			SRC_URI=(
-				http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
-				http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
-				mirror://kernel-${BRANCH}/${SRCFILE}
-				mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
-				mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
-			)
-		fi
-		;;
-
-	headers)
-		if [[ -z ${SRC_URI[*]} ]]
-		then
-			SRC_URI=(
-				http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
-				http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1-2)/${SRCFILE}
-				mirror://kernel-${BRANCH}/${SRCFILE}
-			)
-		fi
-		;;
-esac
+if [[ -z ${SRC_URI[*]} ]]
+then
+	SRC_URI=(
+		http://www.kernel.org/pub/linux/kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
+		http://ftp.uni-erlangen.de/pub/Linux/MIRROR.kernel/v$(echo ${PVER} | cut -d. -f1).x/${SRCFILE}
+		mirror://kernel-${BRANCH}/${SRCFILE}
+	)
+	case ${KERNEL_TYPE} in
+		image|sources)
+				SRC_URI=(
+					${SRC_URI[*]}
+					mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-i686
+					mirror://kernel-${BRANCH}/config-${PVER}-${BRANCH}-${PBUILD}-x86_64
+				)
+			;;
+	esac
+fi
 
 case ${KERNEL_TYPE} in
 	image)
 		: ${PROVIDE="virtual/kernel"}
-		: ${DEPEND=">= sys-apps/module-init-tools-3.2
+		: ${DEPEND=">= virtual/module-tools
 			>= sys-fs/udev-115
-			>= sys-apps/mkinitrd-5.0.8
+			>= virtual/initramfs-tools
 			>= virtual/initscripts"}
-		: ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
+			if [[ ! -z ${LINUX_FIRMWARE}  ]] && [[ ${LINUX_FIRMWARE} != internal ]]
+			then
+				DEPEND="${DEPEND}
+					>= sys-kernel/linux-firmware-${LINUX_FIRMWARE}"
+			fi
+		SDEPEND="${SDEPEND}
+			>= sys-dev/bc-1.06"
+		: ${DESCRIPTION="Kernel image of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
 		;;
 
 	sources)
 		: ${PROVIDE="virtual/kernel-sources"}
-		: ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel."}
+		: ${DESCRIPTION="Kernel sources of the '${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}' kernel branch."}
 		;;
 
 	headers)
@@ -83,18 +119,25 @@
 KPVER="${PVER}"
 KPBUILD="${PBUILD}"
 KBRANCH="${BRANCH}"
-SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH"
+SPECIAL_VARS="${SPECIAL_VARS} KPVER KPBUILD KBRANCH USE_KERNEL_SYMLINKS"
+
+# dummy function to apply kernel patches
+kernel_apply_patches()
+{
+	return 0
+}
 
 kernel_src_prepare()
 {
 	munpack ${SRCFILE} || die
-	mv ${BUILDDIR}/linux-${TARBALLPVER/${PSUBVER}/} ${SRCDIR} || die
+	mv ${BUILDDIR}/linux-${TARBALLPVER} ${SRCDIR} || die
 
 	# fix permissions
 	chown -R 0:0 ${SRCDIR} || die
 	chmod -R a+r-w+X,u+w ${SRCDIR} || die
 
 	cd ${SRCDIR}
+	kernel_apply_patches || die
 
 	# fixes INSTALL_PATH to /boot and EXTRAVERSION
 	sed -i -e 's:#export\tINSTALL_PATH:export\tINSTALL_PATH:' \
@@ -105,7 +148,7 @@
 	if [[ ${PVER%%.*} -gt 2 ]]
 	then
 		local sublevel="$(echo ${PVER} | cut -d. -f3)"
-		sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die		
+		sed -i "s:^\(SUBLEVEL =\).*:\1 ${sublevel}:" Makefile || die
 	fi
 }
 
@@ -152,6 +195,8 @@
 
 			# at least alsa-drivers needs this one ...
 			touch include/linux/autoconf.h || die
+
+			# compat symlink for 3.7.x new version.h location until everything is fixed
 			;;
 	esac
 }
@@ -164,7 +209,7 @@
 	minstalldir /boot || die
 
 	# install modules
-	make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR} modules_install || die
+	make ARCH=${ARCH/i*86/x86} INSTALL_MOD_PATH=${BINDIR}/usr modules_install || die
 
 	# install kernelimage
 	if [[ -z ${KERNEL_IMAGE_PATH} ]]
@@ -194,13 +239,16 @@
 		/usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
 		|| die
 
-	# install kernel description
-	echo "
-KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
-KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
-KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}
-KRNINITRD=
-" > ${BINDIR}/boot/kernelversion || die
+	if [[ ${INCLUDE_KERNELVERSION_FILE} = true ]]
+	then
+		MCONFIG=/boot/kernelversion
+		# install kernel description
+		mclearconfig || die
+		maddconfig "KRNVER=${BRANCH}-${PVER}-${ARCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
+		maddconfig "KRNLIB=${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
+		maddconfig "KRNIMG=kernel-${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}" || die
+		maddconfig "KRNINITRD=" || die
+	fi
 
 	# install kernel-config from srcdir
 	minstallfile .config \
@@ -208,30 +256,49 @@
 		|| die
 
 	# fix build symlink
-	if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
+	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build ]
 	then
 		echo "fixing build symlink"
-		rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
+		rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build || die
 		mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
-			/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
+			/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/build \
 			|| die
 	fi
 
 	# and fixing source symlink
-	if [ -L ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
+	if [ -L ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source ]
 	then
 		echo "fixing source symlink"
-		rm ${BINDIR}/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
+		rm ${BINDIR}/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source || die
 		mlink /usr/src/linux-${PVER}-${BRANCH}-${PBUILD} \
-			/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
+			/usr/lib/modules/${PVER}-${BRANCH}-${PBUILD}${KERNEL_ARCH_EXTENSION}/source \
 			|| die
 	fi
+
+	# remove firmware bits if $LINUX_FIRMWARE was set
+	if [[ ! -z ${LINUX_FIRMWARE} ]] && [[ ${LINUX_FIRMWARE} != internal ]]
+	then
+		if [[ -d ${BINDIR}/usr/lib/firmware ]]
+		then
+			rm -rv ${BINDIR}/usr/lib/firmware
+		fi
+	fi
+
+	# compress modules if COMPRESS_MODULES_CMD was set
+	if [[ ! -z ${COMPRESS_MODULES_CMD} ]]
+	then
+		# compress all kernel modules
+		find ${BINDIR} -name \*.ko | xargs ${COMPRESS_MODULES_CMD} || die
+	fi
 }
 
 kernel_headers_src_install()
 {
 	cd ${SRCDIR}
 	make ARCH=${ARCH/i*86/x86} INSTALL_HDR_PATH=${BINDIR}/usr headers_install || die
+
+	# clean-up unnecessary files
+	find ${BINDIR} -name .install -or -name ..install.cmd | xargs --no-run-if-empty rm -f
 }
 
 kernel_sources_src_install()
@@ -344,15 +411,9 @@
 	if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
 	then
 		mount /boot &> /dev/null
-	fi
-}
 
-kernel_image_postremove()
-{
-	if [[ -z ${MROOT} ]] || [[ ${MROOT} = / ]]
-	then
 		# remove old image entry from grub
-		new-kernel-pkg -v --rminitrd --remove ${KPVER}-${KBRANCH}-${KPBUILD}
+		new-kernel-pkg -v --rminitrd --rmmoddep --remove ${KPVER}-${KBRANCH}-${KPBUILD}
 	fi
 }
 
@@ -375,33 +436,38 @@
 		new-kernel-pkg -v --mkinitrd --make-default --install ${KPVER}-${KBRANCH}-${KPBUILD}
 	fi
 
-	# symlink actual kernel to /boot/vmlinuz etc...
-	ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
-	ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
-	ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
-	[[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
-		ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
+	if [[ ${USE_KERNEL_SYMLINKS} = true ]]
+	then
+		# symlink actual kernel to /boot/vmlinuz etc...
+		ln -snf kernel-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/vmlinuz
+		ln -snf System.map-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/System.map
+		ln -snf config-${KPVER}-${KBRANCH}-${KPBUILD} ${MROOT}/boot/config
+		[[ -f ${MROOT}/boot/initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ]] &&
+			ln -snf initrd-${KPVER}-${KBRANCH}-${KPBUILD}.img ${MROOT}/boot/initrd
+	fi
 }
 
 kernel_sources_postinstall()
 {
 	# check for linux-VERSION/include as the kernel-image installs
 	# the file Modules.symver in the linux-VERSION directory
-	if [ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
+	if mqueryfeature "kernelsrcunpack" &&
+		[ ! -d ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}/include ]
 	then
 		echo "Unpacking linux-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
 		tar xvjf ${MROOT}/usr/src/linux-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
 	fi
 
-	if [ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
+	if mqueryfeature "kernelsrcunpack" &&
+		[ ! -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ] &&
 		[ -f ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 ]
 	then
 		echo "Unpacking kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} source tarball ... "
 		tar xvjf ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD}.tar.bz2 -C ${MROOT}/usr/src
 	fi
 
-	# if not exist create linux symlink
-	if [ ! -h ${MROOT}/usr/src/linux ]
+	# create linux symlink
+	if mqueryfeature "linuxsymlink"
 	then
 		echo "Creating linux -> linux-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
 		[ ! -d ${MROOT}/usr/src ] && install ${MROOT}/usr/src
@@ -409,8 +475,8 @@
 			${MROOT}/usr/src/linux || die
 	fi
 
-	# if not exist create kernel-modules symlink
-	if [ ! -h ${MROOT}/usr/src/kernel-modules ] &&
+	# create kernel-modules symlink
+	if mqueryfeature "linuxsymlink" &&
 		[ -d ${MROOT}/usr/src/kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} ]
 	then
 		echo "Creating kernel-modules -> kernel-modules-${KPVER}-${KBRANCH}-${KPBUILD} symlink ... "
@@ -425,8 +491,8 @@
 # export pre/postinstall functions depending on KERNEL_TYPE
 case ${KERNEL_TYPE} in
 	image)
-		export_inherits kernel_image preinstall preremove postinstall postremove
-		SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall kernel_image_postremove"
+		export_inherits kernel_image preinstall preremove postinstall
+		SPECIAL_FUNCTIONS="${SPECIAL_FUNCTIONS} kernel_image_preinstall kernel_image_preremove kernel_image_postinstall"
 		;;
 	sources)
 		export_inherits kernel_sources postinstall