New class to help compile external kernel modules

1 files changed, 55 insertions, 0 deletions

diff --git a/eclass/kernel-mod.eclass b/eclass/kernel-mod.eclass
new file mode 100644
index 000000000000..647ec0ca78c8
--- /dev/null
+++ b/eclass/kernel-mod.eclass
@@ -0,0 +1,55 @@
+# Copyright 1999-2003 Gentoo Technologies, Inc.
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/eclass/kernel-mod.eclass,v 1.1 2003/08/26 13:32:23 stuart Exp $
+
+# This eclass provides help for compiling external kernel modules from
+# source.
+#
+# This eclass differs from kmod.eclass because it doesn't require modules
+# to be added to the kernel source tree first.
+
+ECLASS=kernel-mod
+INHERITED="$INHERITED $ECLASS"
+S=${WORKDIR}/${P}
+DESCRIPTION="Based on the $ECLASS eclass"
+
+SRC_URI="unknown - please fix me!!"
+KERNEL_DIR="${KERNEL_DIR:-/usr/src/linux}"
+
+kernel-mod_getversion ()
+{
+	# yes, this is horrible, but it is effective
+	#
+	# KV_DIR contains the real directory name of the directory containing
+	# the Linux kernel that we are going to compile against
+
+	if [ -h ${KERNEL_DIR} ] ; then
+		einfo "${KERNEL_DIR} is a symbolic link"
+		einfo "Determining the real directory of the Linux kernel source code"
+		KV_DIR="`ls -ld ${KERNEL_DIR} | awk '{ print $11 }'`"
+	else
+		einfo "${KERNEL_DIR} is a real directory"
+		KV_DIR="`ls -ld ${KERNEL_DIR} | awk '{ print $9 }'`"
+	fi
+	KV_DIR="`basename $KV_FULL_DIR`"
+
+	# now, we need to break that down into versions
+
+	KV_VERSION_FULL="`echo $KV_DIR | cut -f 2- -d -`"
+	einfo "Building for Linux ${KV_VERSION_FULL} found in ${KERNEL_DIR}"
+
+	KV_MAJOR="`echo $KV_VERSION_FULL | cut -f 1 -d .`"
+	KV_MINOR="`echo $KV_VERSION_FULL | cut -f 2 -d .`"
+	KV_PATCH="`echo $KV_VERSION_FULL | cut -f 3 -d . | cut -f 3 -d -`"
+	KV_TYPE="`echo $KV_VERSION_FULL | cut -f 2- -d -`"
+
+	# these variables can be used by ebuilds to determine whether they
+	# will work with the targetted kernel or not
+}
+
+kernel-mod_src_compile ()
+{
+	emake KERNEL_DIR=${KERNEL_DIR} || die
+}
+
+EXPORT_FUNCTIONS src_compile