# Kernel config based on: arch/arm/configs/lx_coconut_defconfig

pkgname="linux-sony-coconut"
pkgver=3.4.0
pkgrel=4
pkgdesc="Live with Walkman kernel fork"
arch="armhf"
_carch="arm"
_flavor="sony-coconut"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="xz perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev 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_semc_msm7x30"
_commit="9c6f07f81e2c0bcb2bef75fa9716cc30f8942286"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$_commit.tar.gz::https://github.com/LegacyXperia/${_repository}/archive/${_commit}.tar.gz
	$_config
	compiler-gcc6.h
	01_msm-fix-perf_trace_counters.patch
	02_gpu-msm-fix-gcc5-compile.patch
"
builddir="$srcdir/${_repository}-${_commit}"

prepare() {
	default_prepare

	# gcc6 support
	cp -v "$srcdir/compiler-gcc6.h" "$builddir/include/linux/"

	# Remove -Werror from all makefiles
	local i
	local makefiles="$(find . -type f -name Makefile)
		$(find . -type f -name Kbuild)"
	for i in $makefiles; do
		sed -i 's/-Werror-/-W/g' "$i"
		sed -i 's/-Werror//g' "$i"
	done

	# Prepare kernel config ('yes ""' for kernels lacking olddefconfig)
	cp "$srcdir"/$_config "$builddir"/.config
	yes "" | make ARCH="$_carch" HOSTCC="$HOSTCC" oldconfig
}

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
}

sha512sums="234e8973236e6056c60a312340ef4ccb7598adc43bd1f0c2ca0e89d03f4e16ecfdd5ad4658d76993c7bae24242a7e134a9ed2fda662dfe229b61f3a88ea6c2f0  linux-sony-coconut-9c6f07f81e2c0bcb2bef75fa9716cc30f8942286.tar.gz
be06843500bb47d386ff1b69e6b17de0b4c67dbd6047f313405ff470ca4fe2edd45ad7bdf2a42235ac4c4b2a4776fa8e6258d29e36bf0d6e0e462fdb0ec73f9f  config-sony-coconut.armhf
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
f85ced49ee2f2461adea68dac0a10452aa809a7d41d869092d94eb085344919a9a385dec0c48011f4601ca4f441700f7fe49075c7eca4fb2d66b01f7d413ccb7  01_msm-fix-perf_trace_counters.patch
7be03a9e78b7ac330a54b1f00509caa0621a95c0c55901878ad757f9dd69cc05ba2c8b5ea987063ae1224f92c4d090d515fa5d369e7755181a4871b0d0f82881  02_gpu-msm-fix-gcc5-compile.patch"