--- freebsd-sources-9.2_rc3.ebuild	2013-08-27 05:45:33.000000000 +0900
+++ freebsd-sources-10.0_beta1.ebuild	2013-10-16 20:45:21.000000000 +0900
@@ -9,17 +9,20 @@
 DESCRIPTION="FreeBSD kernel sources"
 SLOT="0"
 
-IUSE="+build-generic dtrace profile"
+IUSE="+build-generic +clang debug dtrace profile zfs"
 
 if [[ ${PV} != *9999* ]]; then
 	KEYWORDS="~amd64-fbsd ~sparc-fbsd ~x86-fbsd"
 	SRC_URI="mirror://gentoo/${SYS}.tar.bz2"
 fi
 
-RDEPEND="dtrace? ( >=sys-freebsd/freebsd-cddl-9.2_rc1 )
+RDEPEND="clang? ( sys-devel/clang )
+	dtrace? ( >=sys-freebsd/freebsd-cddl-9.2_rc1 )
 	=sys-freebsd/freebsd-mk-defs-${RV}*
-	!sys-freebsd/virtio-kmod"
+	!sys-freebsd/virtio-kmod
+	!sys-fs/fuse4bsd"
 DEPEND="build-generic? (
+		clang? ( sys-devel/clang )
 		dtrace? ( >=sys-freebsd/freebsd-cddl-9.2_rc1 )
 		>=sys-freebsd/freebsd-usbin-9.1
 		=sys-freebsd/freebsd-mk-defs-${RV}*
@@ -29,12 +32,11 @@
 
 S="${WORKDIR}/sys"
 
-KERN_BUILD=GENERIC
+KERN_BUILD=GENTOO
 
 PATCHES=( "${FILESDIR}/${PN}-9.0-disable-optimization.patch"
-	"${FILESDIR}/${PN}-9.2-gentoo.patch"
+	"${FILESDIR}/${PN}-10.0-gentoo.patch"
 	"${FILESDIR}/${PN}-6.0-flex-2.5.31.patch"
-	"${FILESDIR}/${PN}-6.1-ntfs.patch"
 	"${FILESDIR}/${PN}-7.1-types.h-fix.patch"
 	"${FILESDIR}/${PN}-8.0-subnet-route-pr40133.patch"
 	"${FILESDIR}/${PN}-7.1-includes.patch"
@@ -42,7 +44,15 @@
 	"${FILESDIR}/${PN}-9.2-gentoo-gcc.patch"
 	"${FILESDIR}/${PN}-7.0-tmpfs_whiteout_stub.patch" )
 
+pkg_setup() {
+	# Force set CC=clang. when using gcc, aesni fails to build.
+	use clang && export CC=clang
+	use zfs || mymakeopts="${mymakeopts} WITHOUT_CDDL="
+}
+
 src_prepare() {
+	local conf="${S}/$(tc-arch-kernel)/conf/${KERN_BUILD}"
+
 	# This replaces the gentoover patch, it doesn't need reapply every time.
 	sed -i -e 's:^REVISION=.*:REVISION="'${PVR}'":' \
 		-e 's:^BRANCH=.*:BRANCH="Gentoo":' \
@@ -50,8 +60,8 @@
 		"${S}/conf/newvers.sh"
 
 	# __FreeBSD_cc_version comes from FreeBSD's gcc.
-	# on 9.0-RELEASE it's 900001.
-	sed -e "s:-D_KERNEL:-D_KERNEL -D__FreeBSD_cc_version=900001:g" \
+	# on 10.0-RELEASE it's 1000001.
+	sed -e "s:-D_KERNEL:-D_KERNEL -D__FreeBSD_cc_version=1000001:g" \
 		-i "${S}/conf/kern.pre.mk" \
 		-i "${S}/conf/kmod.mk" || die "Couldn't set __FreeBSD_cc_version"
 
@@ -60,6 +70,11 @@
 		-i "${S}/conf/kern.pre.mk" \
 		-i "${S}/conf/kmod.mk" || die
 
+	# Set the kernel configuration using USE flags.
+	cp -f "${FILESDIR}/config-GENTOO" "${conf}" || die
+	use debug || echo 'nomakeoptions DEBUG' >> "${conf}"
+	use dtrace || echo 'nomakeoptions WITH_CTF' >> "${conf}"
+	
 	# Only used with USE=build-generic, let the kernel build with its own flags, its safer.
 	unset LDFLAGS CFLAGS CXXFLAGS ASFLAGS KERNEL
 }
@@ -74,12 +89,9 @@
 
 src_compile() {
 	if use build-generic ; then
-		local myconf
-		use dtrace || myconf="-DNO_CTF "
-
 		cd "${S}/$(tc-arch-kernel)/compile/${KERN_BUILD}" || die
-		freebsd_src_compile depend ${myconf}
-		freebsd_src_compile ${myconf}
+		freebsd_src_compile depend
+		freebsd_src_compile
 	else
 		einfo "Nothing to compile.."
 	fi