# Maintainer: David Heidelberg <david@ixit.cz>
pkgname=linux-asus-grouper
pkgver=5.14.0_rc3
pkgrel=0
arch="armv7"
pkgdesc="Linux kernel with experimental patches for Tegra (optimized for size constrained boot.img of Nexus 7 grouper/tilapia (2012))"
url="https://postmarketos.org"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev
	     devicepkg-dev bison flex openssl-dev xz findutils"
options="!strip !check !tracedeps pmb:cross-native"
license="GPL-2.0-only"

# Source
_flavor=asus-grouper
_commit="6ab7e328e14f2693ca800ac742f2f5cb3e5e450e"
_carch="arm"
_config="config-$_flavor.armv7"
source="$pkgname-$pkgver-$_commit.tar.gz::https://github.com/grate-driver/linux/archive/$_commit.tar.gz
	$_config"
_ksrcdir="$srcdir/linux-$_commit"
_outdir="out"

prepare() {
	default_prepare

	mkdir -p "$srcdir"/build
	cp -v "$srcdir"/$_config "$srcdir"/build/.config
	make -C "$_ksrcdir" O="$srcdir"/build ARCH="$_carch" \
		olddefconfig
}

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

package() {
	install -Dm644 "$srcdir/build/arch/$_carch/boot/"*zImage \
		"$pkgdir/boot/vmlinuz-$_flavor"

	install -D "$srcdir/build/include/config/kernel.release" \
		"$pkgdir/usr/share/kernel/$_flavor/kernel.release"

	cd "$srcdir"/build

	local _install
	case "$CARCH" in
	aarch64*|arm*)	_install="modules_install dtbs_install" ;;
	*)		_install="modules_install" ;;
	esac

	make -j1 $_install \
		ARCH="$_carch" \
		INSTALL_MOD_PATH="$pkgdir" \
		INSTALL_DTBS_PATH="$pkgdir/usr/share/dtb"
}

sha512sums="05b76312634a425297fe70b14ce6a5e502227fd9f9c490abc3f20aeb5b330111290fe280cfeeacb53de659beef0c6b3312655fde8263af7f954ce1954560dd20  linux-asus-grouper-5.14.0_rc3-6ab7e328e14f2693ca800ac742f2f5cb3e5e450e.tar.gz
af9db52e246783ce61a3b0254f0a7de8258bfdcbfb4551e78c3e3b71e63663b999187ac8534a93baa9ccf730ebc51942559e283a4ea2efc07d689547113d81f3  config-asus-grouper.armv7"