# Unmaintained: Downstream kernel, only for testing. Use linux-postmarketos-exynos4.
# Reference: <https://postmarketos.org/vendorkernel>
# Kernel config based on: arch/arm/configs/lineageos_i9305_defconfig

pkgname=linux-samsung-m0-downstream
pkgver=3.0.101
pkgrel=0
pkgdesc="Samsung Galaxy S III kernel fork"
arch="armv7"
_carch="arm"
_flavor="samsung-m0-downstream"
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 xz gcc6"

# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
# request if you find out that it is booting working with newer GCCs as
# well. See <https://postmarketos.org/vendorkernel> for instructions.
if [ "${CC:0:5}" != "gcc6-" ]; then
	CC="gcc6-$CC"
	HOSTCC="gcc6-gcc"
	CROSS_COMPILE="gcc6-$CROSS_COMPILE"
fi

# Source
_repository="android_kernel_samsung_smdk4412"
_commit="fa8fa332fdec11744ffe0c742775cc22efe0d041"
_config="config-$_flavor.$arch"
source="
	$pkgname-$_commit.tar.gz::https://github.com/LineageOS/$_repository/archive/$_commit.tar.gz
	$_config
	"
builddir="$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"

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

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

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

sha512sums="
d87dd54152980b30012fead62e639dde6ff0862d376790eac32800aeffd91482a220c7b1f233933a1879796dcaa3722e86c42a5f0e4df4168ae1f65362952779  linux-samsung-m0-downstream-fa8fa332fdec11744ffe0c742775cc22efe0d041.tar.gz
2923f9ea030633e320799f92ba4c898f66864ed3aed214e321d95f5dadd8c5ebf1fc35bfea5aeffecc668992b1b1101ace301aa930f9d965f199a345e0687d6e  config-samsung-m0-downstream.armv7
"