# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm64/configs/z2_row_defconfig

pkgname=linux-zuk-z2-row
pkgver=4.4.183
pkgrel=0
pkgdesc="Lenovo ZUK Z2 Pro kernel fork"
arch="aarch64"
_carch="arm64"
_flavor="zuk-z2-row"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps pmb:cross-native"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev gcc6"

# Compiler: GCC 6 (doesn't boot when compiled with newer versions)
if [ "${CC:0:5}" != "gcc6-" ]; then
	CC="gcc6-$CC"
	HOSTCC="gcc6-gcc"
	CROSS_COMPILE="gcc6-$CROSS_COMPILE"
fi

# Source
_repository="android_kernel_zuk_msm8996"
_commit="921bfcef4a132f6406e286bd45486d87abb94e68"
_config="config-$_flavor.$arch"
source="
	$pkgname-$_commit.tar.gz::https://github.com/LineageOS/$_repository/archive/$_commit.tar.gz
	$_config
	fix-nf_conntrack_sip_c.patch
	fix-includes.patch
	fix-macro-declare_usb_function.patch
	fix-macro-trace_include_path.patch
"
builddir="$srcdir/$_repository-$_commit"

prepare() {
	default_prepare
	. downstreamkernel_prepare
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1))-postmarketOS"
	# the 'no-pic' flag is necessary to avoid the
	# error 'Unknown symbol _GLOBAL_OFFSET_TABLE_ (err 0)' when loading the module
	make ARCH="$_carch" CC="${CC:-gcc}" CFLAGS_MODULE="-fno-pic" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1))-postmarketOS" modules
}

package() {
	downstreamkernel_package "$builddir" "$pkgdir" "$_carch" "$_flavor"

	# Modules
	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="f2c719bbafd39e02117c53ef539093e8542dfa4e3534e06bddf780a8a908b8fa0ce6c37b4d051b7d4c0f213c37b8d5bd8c216c95ef99b9ec13c2a4a58786f6a2  linux-zuk-z2-row-921bfcef4a132f6406e286bd45486d87abb94e68.tar.gz
5f32ee9e72f96163b1d62369222c4b5ea4a485170d170b581952f9eae3e7309622e9bdc958b83fad574fe66c0ae41dcf6078ba0c5a3c0fa1c325aeb27e6105fc  config-zuk-z2-row.aarch64
43fe667aebde511d55749d738d176f109ef8b0095f9f04015664a11b3f199f545a4f391d520b0dcd4275329a151a3ce19e49c0b8991ed30a934622bdc4e58c75  fix-nf_conntrack_sip_c.patch
5e2e2944dbc726b95db72fed8780607fafbf49cfdf871f78b27eedae30c74510cc3fcd6566a21e2ac2b92508e9e52008c118ed877e679b939b24f66311b6c40d  fix-includes.patch
8b3934e3c4115e81ac40a3c8022f3134cd89133f7569557ca857b4fd514078c4898b2ba3427986936d029874903711d04d7757d5a87bcb89137073128e51e8f5  fix-macro-declare_usb_function.patch
c71ed4068fb815b1549cbf9fc2f5dcfc65f969f36700f916b227acb2c6c2f2062b66ef5a176f8876632a9240009a409e5a02c420d77fd3d9c05bb9833012caf0  fix-macro-trace_include_path.patch"