# Kernel config based on: arch/arm/configs/bcm21664_hawaii_ss_kylepro_rev00_lineage_defconfig

pkgname="linux-samsung-kylepro"
pkgver=3.4.113
pkgrel=0
pkgdesc="Samsung Galaxy Trend Plus kernel fork"
arch="armhf"
_carch="arm"
_flavor="samsung-kylepro"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev 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="android_kernel_samsung_kyleproxx"
_commit="026cf3b3e97ec40aa1c0c52837a318725786f05a"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/Samsung-KYLEPROXX/${_repository}/archive/${_commit}.tar.gz
	$_config
	compiler-gcc6.h
	00_return_address.patch
	02_screen_reset.patch
"
builddir="$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
}

sha512sums="b66ab7d8ed557ed095b059beb7b37d196a7290e6c8364560126a94f696718c4a61f99b1e21700d9a4b50c569243e4e2cbfc9fbd9d9517ca49cfa32f31525c27f  linux-samsung-kylepro-026cf3b3e97ec40aa1c0c52837a318725786f05a.tar.gz
0891dc88c6c0176f1d291a9ff570c9ab1a477f166312d067f3d3f6674a62f379d3e830ca1229e1834fe152f3c2b75288d4183c2becc3d402b729777f969d926b  config-samsung-kylepro.armhf
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
c40eaa11547f5bc2b1ff965506bdfe3015ff16e4b5ad9ccb3b8134ceafd1d32407c4ef2b213e02e036ce1e9bdcbfe768dff7d4b054bec77705a176c1f783b6f5  00_return_address.patch
c0a59be648ef646650c83b5d135daa05aae300c7ad5056d49f1b3f9967c4d7f337b0ddb8ae319b11e43c17aaf5fc9dcc9724463d265c1d765dc85c86f612f4ea  02_screen_reset.patch"