# Kernel config based on: arch/arm/configs/franken_defconfig

pkgname="linux-samsung-kylessopen"
pkgver=3.0.101
pkgrel=3
pkgdesc="Galaxy Trend kernel fork"
arch="armhf"
_carch="arm"
_flavor="samsung-kylessopen"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev lzo xz gcc6"

# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
# request if you find out that it is booting working with newer GCCs as
# well. See <https://postmarketos.org/vendorkernel> for instructions.
if [ "${CC:0:5}" != "gcc6-" ]; then
	CC="gcc6-$CC"
	HOSTCC="gcc6-gcc"
	CROSS_COMPILE="gcc6-$CROSS_COMPILE"
fi

# Source
_repository="FrankenKernel"
_commit="d0e853abec2d7be79f5d9b319273a0b66046b125"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/pavlepiramida/${_repository}/archive/${_commit}.tar.gz
	$_config
	compiler-gcc6.h
	gcc5.patch
	0001-fix-video-argb-setting.patch
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare

	# gcc6 support
	cp -v "$srcdir/compiler-gcc6.h" "$builddir/include/linux/"

	# Remove -Werror from all makefiles
	local i
	local makefiles="$(find . -type f -name Makefile)
		$(find . -type f -name Kbuild)"
	for i in $makefiles; do
		sed -i 's/-Werror-/-W/g' "$i"
		sed -i 's/-Werror//g' "$i"
	done

	# Prepare kernel config ('yes ""' for kernels lacking olddefconfig)
	cp "$srcdir"/$_config "$builddir"/.config
	yes "" | make ARCH="$_carch" HOSTCC="$HOSTCC" oldconfig
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
}

package() {
	# kernel.release
	install -D "$builddir/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	# zImage (find the right one)
	cd "$builddir/arch/$_carch/boot"
	_target="$pkgdir/boot/vmlinuz-$_flavor"
	for _zimg in zImage-dtb Image.gz-dtb *zImage Image; do
		[ -e "$_zimg" ] || continue
		msg "zImage found: $_zimg"
		install -Dm644 "$_zimg" "$_target"
		break
	done
	if ! [ -e "$_target" ]; then
		error "Could not find zImage in $PWD!"
		return 1
	fi
	echo "--[ Installing modules ]--"
	cd "$builddir"
	make ARCH="$_carch" CC="${CC:-gcc}" \
		INSTALL_MOD_PATH="$pkgdir" KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS" modules_install
}

sha512sums="22c89caaae880c64fb1a9e25ff5c65813b4bfa9a27ca4310fe9da17c4a1bfff2b49b4516f48fd30a4ccb1a185fc525b0c5967b4f18bfd3c2f8cfce66c8a268bd  linux-samsung-kylessopen-d0e853abec2d7be79f5d9b319273a0b66046b125.tar.gz
b28a411506adb2540c3de93b4d7529d25efb96ab93b31417bd78c4deea3b1e4f63bd4240d090dd27c54040e9c937a27bc8702d471be414722265d2dbd1cf4630  config-samsung-kylessopen.armhf
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
db5d16e03a93b453c98882dcd08b7a4cd96c126393365d8916d9cf045e8725831f70ea841756526af7bead36a74301024e3c569c438442906e079fea2ac0a022  gcc5.patch
e3083c260ed9c4fc0d83f43106700b6173876dbfae072f6e6696ac6785a4dc17771fbcb3e21601e04ed29a11bf0f7a2a09ad549375e0c34cea245c7f2e2bcbbd  0001-fix-video-argb-setting.patch"