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

pkgname="linux-samsung-espresso10"
pkgver=3.0.101
pkgrel=0
pkgdesc="Samsung Galaxy Tab 2 (10.1 inch) kernel fork"
arch="armhf"
_carch="arm"
_flavor="samsung-espresso10"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"

# Source - Use omnirom kernel (seems to have more fixes)
_repository="android_kernel_samsung_espresso10"
_commit="3d5cf7e95d29d32623747b7cae37bd7c1db151ff"
_config="config-${_flavor}.${arch}"
source="
	
$pkgname-$_commit.tar.gz::https://github.com/omnirom/${_repository}/archive/${_commit}.tar.gz
	$_config
	compiler-gcc6.h
	01_fix_aid_net_on_apn_disable.patch
	02-Fixed-compilation-error-for-rndis_bind_config.patch
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare

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

	# Remove -Werror from all makefiles
	find . -type f -name Makefile -print0 | \
		xargs -0 sed -i 's/-Werror-/-W/g'
	find . -type f -name Makefile -print0 | \
		xargs -0 sed -i 's/-Werror//g'

	# 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"
}

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="3c869ec19a36e97c9ed63952d5959205ed3f4121d51d79e22b40596ef61d1601ef0a0bf13362c0f5451867f4b59d0a8511d6870fb6c9948a609140df1579fd27  linux-samsung-espresso10-3d5cf7e95d29d32623747b7cae37bd7c1db151ff.tar.gz
e2e28094b0ea57156e0484d1319266852b122b3599e37dce7a48dd05dd574636317acb7ab90c869c91a9eec6b608e7c48cad806e482d59f515d2b8e9cdbf1a95  config-samsung-espresso10.armhf
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
1cae09c775d787e877f82cb164b5d68530f4bd9b108b7abaf8192bd85a3d8975456762ce9f563fa766b1c03519e09ef93e177fd6972e439e4aa0c3a5709ea691  01_fix_aid_net_on_apn_disable.patch
822e41a0c4b4f00e1f9e5e847378504e9a4b113a360b73e72998e70cc5a47cac42489cfd2475f6924e237dfe4791f19a20169c224680ab11a7c272a866e361ac  02-Fixed-compilation-error-for-rndis_bind_config.patch"