# Kernel config based on: arch/arm/configs/(CHANGEME!)

pkgname="linux-lg-m1"
pkgver=3.10.49
pkgrel=0
pkgdesc="LG K7 kernel fork"
arch="armhf"
_carch="arm"
_flavor="lg-m1"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool"
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"

# Source
_repository="android_kernel_lge_msm8909"
_commit="017ab2a9067360f82d660dab7b08ce7e277c1cdb"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/TheOddTaco/${_repository}/archive/${_commit}.tar.gz
	$_config
	compiler-gcc6.h
	00_fix_return_address.patch
"
builddir="$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
}

menuconfig() {
	cd "$builddir"
	make ARCH="$_carch" menuconfig
	cp .config "$startdir"/$_config
}

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

	# Generate master DTB (deviceinfo_bootimg_qcdt)
	dtbTool -s 2048 -p "scripts/dtc/" -o "arch/arm/boot/dt.img" "arch/arm/boot/"
}

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

	# Master DTB (deviceinfo_bootimg_qcdt)
	install -Dm644 "$builddir/arch/arm/boot/dt.img" \
		"$pkgdir/boot/dt.img"
}

sha512sums="2c7dfa33d737d37541f78cddc915b79fa55f4e1444f1e26b427017cdbc71081d2b03a84fabf55f805bd529523ec509ec0b0d104f5b331108f3eb06ceae341991  linux-lg-m1-017ab2a9067360f82d660dab7b08ce7e277c1cdb.tar.gz
c40226e67b4252c07554c6b07a2779c463dda60272d60958ef8ac9f031da72645bf0b5ec0dcf19e481baee170ff1cef1521bac93eb3d85dc5695c48da29a0472  config-lg-m1.armhf
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
ea1d3b5a234fa565e3c1a792de48f4fc4e6023d281d303c8e319c7ef28edc5739ab0e4dea0139a41f0a5c7d03e27921ccaa214fd0ac5c72245a094ce60128864  00_fix_return_address.patch"