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

maintainer="Piotr Halama <skrzynka@halamix2.pl>"
pkgname="linux-nokia-frt"
pkgver=3.18.79
pkgrel=1
pkgdesc="Nokia 1 kernel fork"
arch="armv7"
_carch="arm"
_flavor="nokia-frt"
url="https://www.nokia.com/phones/en_int/opensource/"
license="GPL-2.0-only"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev python"

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

# Source
_repository="android_kernel_nokia_1"
_commit="588ea962d4c9c21d20a7109273587e49c7da9235"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/pmsourcedump/${_repository}/archive/${_commit}.tar.gz
	$_config
	gcc8-fix-put-user.patch
	00_symlinks.patch
	01_makefile_path.patch
	02_drvgen_mk.patch
	03_vdsomunge_upstream.patch
"
#gcc7-give-up-on-ilog2-const-optimizations.patch
builddir="$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

	# Modules
	cd "$builddir"
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1))-postmarketOS" \
		INSTALL_MOD_PATH="$pkgdir" INSTALL_MOD_STRIP=1 \
		modules_install
}

sha512sums="676be1813c0886c509591a4940b9fdbd91243aaf84a8efebd7229f681e84211d86cc3466079808eb2fba45c0ada4bc7d43a4b5ab599326702c1d4830fa16d630  linux-nokia-frt-588ea962d4c9c21d20a7109273587e49c7da9235.tar.gz
4e4c05f4095c0490bb04b262b19033adda7d95fdec5c6c5bf1ba4b2cfa812ff159c9637f9cb6a3e854b46923467e9559d39b8b2b81f6fe6d038a6dbf5961c303  config-nokia-frt.armv7
197d40a214ada87fcb2dfc0ae4911704b9a93354b75179cd6b4aadbb627a37ec262cf516921c84a8b1806809b70a7b440cdc8310a4a55fca5d2c0baa988e3967  gcc8-fix-put-user.patch
1d1a99de49b29069eb1711ad884e3f0db0956d8eeb81bdb332e6aa13fb7f5cdd48cd75791cebc08b1aa0644cdd643d7632791a272333547a6ffe68a75295e7a8  00_symlinks.patch
ef8b9da80ca67424a02acfbf99924e3ea06574c83c6a737031f6ac41b718742ef0bd66b968b14118cac021067e29184e2199f238ace2a43dc2176d9cce796bc5  01_makefile_path.patch
aaf7e208f307db3126202f3f3410d4f8a74b450ef719717a064c817258cb428a150a798494f57e43f9e1f747ad83527e565f8d81c3c746d1fb0b4e42e6e30d50  02_drvgen_mk.patch
19a6c3445bfd8057e4fabe1709f3d2344f3a99fef49b44636c07a18ba8791fab1bcff77f93aadff887946ae6f83c9d86e1c28f9b88d03c6ba156704d430b4470  03_vdsomunge_upstream.patch"