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

pkgname=linux-amazon-mustang
pkgver=4.9.77
pkgrel=1
pkgdesc="Amazon Fire 7 (2019) kernel fork"
arch="armv7"
_carch="arm"
_flavor="amazon-mustang"
url="https://kernel.org"
license="GPL-2.0-only"
options="!strip !check !tracedeps pmb:cross-native"
makedepends="bash bc bison devicepkg-dev flex openssl-dev perl 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_amazon_mustang"
_commit="42d97d6450e8ba87315543081a765b0f0a1da358"
_config="config-$_flavor.$arch"
source="
	$pkgname-$_commit.tar.gz::https://github.com/ggow/$_repository/archive/$_commit.tar.gz
	$_config
	pinctrl-mtk-common.patch
"
builddir="$srcdir/$_repository-$_commit"
_outdir="out"

prepare() {
	default_prepare
	. downstreamkernel_prepare
}

build() {
	unset LDFLAGS
	make O="$_outdir" ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-postmarketOS"
}

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

sha512sums="af94e53334bf7ad4541d8813eb8ef6902a352d9ee0951193a3031189d2c232b1cc1fe00a263958b617cea2af7761a56c4144db702d47cde0aed4e8c268d23f0c  linux-amazon-mustang-42d97d6450e8ba87315543081a765b0f0a1da358.tar.gz
175da8721e88b0986fc27faf3984ee399ca9ebd6342a0a066791c5b9e58be3c9d97ee9630729187c5ea36570b6731149a516a39eba715d22fdd46680b93fd99e  config-amazon-mustang.armv7
f1ce4270766e992bc2c03821cf2e62c60d987adb7f448d5ae7430f6eba4d0d6718f337c9f0d7e4db4097f5f49d5b49e653fcb6a1ee50fa8d07b625bb04a87484  pinctrl-mtk-common.patch"