# Template file for 'kernel26'
pkgname=kernel26
version=2.6.27.3
wrksrc="linux-$version"
distfiles="http://www.kernel.org/pub/linux/kernel/v2.6/linux-$version.tar.bz2"
build_style=gnu_makefile
make_build_target="bzImage modules"
make_install_target="modules_install
 INSTALL_MOD_PATH=$XBPS_DESTDIR/$pkgname-$version"
short_desc="The Linux kernel (2.6 branch)"
maintainer="Juan RP <xtraeme@gmail.com>"
checksum=52d9526ea8df33c9fab3df4564b0147b1866c76b0fd31474b92592567384a02c
long_desc="
 This package provides the linux kernel image and kernel modules
 from the 2.6 branch."

build_depends="perl-5.10.0 module-init-tools-3.5"

pre_build()
{
	# If there's a file called kernel26-<arch>-dotconfig, use it to
	# configure the kernel; otherwise run the menuconfig target.
	local arch=

	if [ "$xbps_machine" != "x86_64" ]; then
		arch=i386
	else
		arch=x86_64
	fi

	if [ -f $XBPS_TEMPLATESDIR/kernel26-$arch-dotconfig ]; then
        	echo "=> Detected a .config file for your arch, using it."
        	cp -f $XBPS_TEMPLATESDIR/kernel26-$arch-dotconfig \
                	$wrksrc/.config
        	make oldconfig
	else
        	make menuconfig
	fi
}

post_install()
{
	local destdir=$XBPS_DESTDIR/$pkgname-$version
	local incdirs="acpi asm-generic asm-x86 config linux math-emu media \
			net pcmcia scsi sound video"
	local _archs="alpha arm arm26 avr32 blackfin cris frv h8300 ia64 m32r \
		      m68k* mips mn10300 parisc powerpc ppc s390 sh* sparc* \
		      um v850 xtensa"
	#
	# Install bzImage, vmlinux and copy necessary stuff to build packages
	# that require this. This is based off of kernel26 pkgbuild from
	# Archlinux.
	#
	install -d $destdir/lib $destdir/boot

	cd $wrksrc || exit 1
	install -m 644 arch/x86/boot/bzImage $destdir/boot/vmlinuz-$version
	install -m 644 System.map $destdir/boot/System.map-$version
	install -D -m 644 Makefile $destdir/usr/src/linux-$version/Makefile
	install -D -m 644 kernel/Makefile \
		$destdir/usr/src/linux-$version/kernel/Makefile
	install -D -m 644 .config $destdir/usr/src/linux-$version/.config
	for i in ${incdirs}; do
		cp -a include/$i $destdir/usr/src/linux-$version/include
	done
	install -D -m 644 Module.symvers \
		$destdir/usr/src/linux-$version/Module.symvers
	cp -a scripts $destdir/usr/src/linux-$version

	mkdir -p $destdir/usr/src/linux-$version/arch/x86/kernel
	if [ "$xbps_machine" != "x86_64" ]; then
		install -D -m 644 arch/x86/Makefile_32.cpu \
			$destdir/usr/src/linux-$version/arch/x86/Makefile_32.cpu
	fi
	cp arch/x86/kernel/asm-offsets.s \
		$destdir/usr/src/linux-$version/arch/x86/kernel

	install -m 644 vmlinux $destdir/usr/src/linux-$version/vmlinux
	for i in $(find . -name "Kconfig*"); do 
    		mkdir -p $destdir/usr/src/linux-$version/$(echo $i | sed 's|/Kconfig.*||')
    		cp $i $destdir/usr/src/linux-$version/$i
	done

	cd $destdir/usr/src/linux-$version/include && ln -s asm-x86 asm
	cd $destdir/usr/src && ln -s linux-$version linux
	for arch in ${_arch}; do
		rm -rf $destdir/usr/src/linux-$version/arch/$arch
	done
}