# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm/configs/cyanogenmod_m7_defconfig

pkgname="linux-htc-m7"
pkgver=3.4.10
pkgrel=0
pkgdesc="HTC One M7 kernel fork"
arch="armv7"
_carch="arm"
_flavor="htc-m7"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev"

# Compiler: latest GCC from Alpine
HOSTCC="${CC:-gcc}"
HOSTCC="${HOSTCC#${CROSS_COMPILE}}"

# Source
_repository="android_kernel_htc_m7"
_commit="f6eb6496406f5a06cdd4716e494082d78df70e83"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/LineageOS/${_repository}/archive/${_commit}.tar.gz
	$_config
	0001-don-t-hardcode-cross_compile-in-makefile.patch
	0002-change-lzop-9-to-lzop-6.patch
	gcc8-fix-put-user.patch
	kernel-use-the-gnu89-standard-explicitly.patch
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare
	downstreamkernel_prepare "$srcdir" "$builddir" "$_config" "$_carch" "$HOSTCC"
}

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="7014029604b8c448c7d2d6302b9404521d89b12a3df687f3aee10e73cd49b3c31fbd5a3db92c082eeda93e0e83b00487d0ee5e6311f4f9fcb32a4eb139d0d231  linux-htc-m7-f6eb6496406f5a06cdd4716e494082d78df70e83.tar.gz
11c41c63bc4002f85cb0e7a84902588c661d66ed11caef9a719151a92f779550c2805847ad8261a93edc0810ba5438e18f3594649a3da20274ba7b4f9125d0e8  config-htc-m7.armv7
129e844aadc30b214ed41968b8a0246d21b224b3e7eecc8b056ec6cef122eb5dbdba3927d5db1499e7335211b74f8b38bf756fa48f099a87921e260d99eb27bc  0001-don-t-hardcode-cross_compile-in-makefile.patch
526bf8554203b2cde43ccb145589f8f0114f06bbc335b8eb606ec1bb1849824f087cf362bf5ea4f0b84e660de5648fe753995a109ade7aaa11f2bf7ca48d233f  0002-change-lzop-9-to-lzop-6.patch
197d40a214ada87fcb2dfc0ae4911704b9a93354b75179cd6b4aadbb627a37ec262cf516921c84a8b1806809b70a7b440cdc8310a4a55fca5d2c0baa988e3967  gcc8-fix-put-user.patch
ad0182a483791fc88e058838bc331b2f04a75ba291e763767babdb815efadfc3b4fda97e69e2e3f00a426cabea088e35297a92bd287592597d1e309be68ee92c  kernel-use-the-gnu89-standard-explicitly.patch"