kernel: compress modules with xz, add another mutable file.

srcpkgs/kernel/template

@@ -3,7 +3,6 @@
 pkgname=kernel
 _kmajorver=3.3
 version=${_kmajorver}.7
-build_requires=16
 nostrip=yes
 noverifyrdeps=yes
 preserve=yes
@@ -21,7 +20,7 @@ long_desc="
 distfiles="http://www.kernel.org/pub/linux//kernel/v3.x/linux-${version}.tar.xz"
 checksum=7a93d6c032826b1cad40fdf339596f1d86abd1d5d30b78c9eed5e5136a1f82ab
 
-revision=1
+revision=2
 if [ -n "${revision}" ]; then
 	_kernver="${version}_${revision}"
 else
@@ -35,7 +34,8 @@ mutable_files="
 /lib/modules/${_kernver}/modules.symbols
 /lib/modules/${_kernver}/modules.symbols.bin
 /lib/modules/${_kernver}/modules.alias
-/lib/modules/${_kernver}/modules.alias.bin"
+/lib/modules/${_kernver}/modules.alias.bin
+/lib/modules/${_kernver}/modules.devname"
 
 do_configure() {
 	# If there's a file called <arch>-dotconfig, use it to
@@ -206,4 +206,10 @@ do_install() {
 		ia64 m* p* s* um v850 xtensa; do
 		rm -rf ${hdrdest}/arch/${arch}
 	done
+
+	# Compress all modules with xz to save a few MBs.
+	msg_normal "$pkgver: compressing kernel modules with xz, please wait...\n"
+	find ${DESTDIR} -name '*.ko' -exec xz -9 {} \;
+	# ... and run depmod again.
+	depmod -b ${DESTDIR} ${_kernver}
 }