# Kernel config based on:
# arch/arm/configs/{msm8226_defconfig,proj_SEAGULL_3G_defconfig,proj_SEAGULL_3G_defconfig}
# (combined in that order)

pkgname="linux-sony-seagull"
pkgver=3.4.0
pkgrel=2
pkgdesc="Sony Xperia T3 kernel fork"
arch="armhf"
_carch="arm"
_flavor="sony-seagull"
url="https://kernel.org"
license="GPL2"
options="!strip !check !tracedeps"
makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool 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_sony_seagull"
_commit="e39e9203b59a21cac634a86641b0413b0100ed48"
_srcurl="https://github.com/pmsourcedump/${_repository}/archive/${_commit}.tar.gz"
_config="config-${_flavor}.${arch}"
source="
	$pkgname-$pkgver.tar.gz::${_srcurl}
	$_config
	compiler-gcc6.h
	01_fix_return_address.patch
	02_gpu-msm-fix-gcc5-compile.patch
	03_fix_various_include_directives.patch
	04_timeconst_fix.patch
	05_psmouse_base.patch
"
builddir="$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" \
        CONFIG_NO_ERROR_ON_MISMATCH=y

	# Generate master DTB (deviceinfo_bootimg_qcdt)
	dtbTool -s 2048 -p "scripts/dtc/" -o "arch/arm/boot/dt.img" "arch/arm/boot/"
}

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

	# Master DTB (deviceinfo_bootimg_qcdt)
	install -Dm644 "$builddir/arch/arm/boot/dt.img" \
		"$pkgdir/boot/dt.img"
}

sha512sums="d060cd2ac73d5fd645ee3d9aff1b5912e2e237606d78be4180de0da850143458c8dc1bc425ed6201f9d6bff941364a722ea84e3c2a5b8404bc2e79cecf7c88e8  linux-sony-seagull-3.4.0.tar.gz
7aa575bfcd157e993bf3935e29039ad857cd1624a4ee3e53e3ed31d0f2fec05abac5bcd59d2f95c7ee4dc378c958ff88aef48c0ee38f63d9a3361037a45696ee  config-sony-seagull.armhf
d80980e9474c82ba0ef1a6903b434d8bd1b092c40367ba543e72d2c119301c8b2d05265740e4104ca1ac5d15f6c4aa49e8776cb44264a9a28dc551e0d1850dcc  compiler-gcc6.h
ea1d3b5a234fa565e3c1a792de48f4fc4e6023d281d303c8e319c7ef28edc5739ab0e4dea0139a41f0a5c7d03e27921ccaa214fd0ac5c72245a094ce60128864  01_fix_return_address.patch
7be03a9e78b7ac330a54b1f00509caa0621a95c0c55901878ad757f9dd69cc05ba2c8b5ea987063ae1224f92c4d090d515fa5d369e7755181a4871b0d0f82881  02_gpu-msm-fix-gcc5-compile.patch
f3a3b9a2e4f390b7b6bb5e986172db4258c6ce3babf76df7eb19aa7197ef9d16cf5e3bda5996b2d6d5be86a25ee984f1ea601a838c1b61724cbb6659da127e03  03_fix_various_include_directives.patch
a2bb98fb8d988bbb659cae00fbaca360828300e9b98b90aed5ee0dd839c3f740696df4094a9021b813cbada06820d115aabed581a47cdd2c947e8d853c20b145  04_timeconst_fix.patch
f7e31cfe422696922aec52002e56c58103183966edee3bb8e1995d33f8d37b07c32280a8ecc213874e358a6ff367418556a4542fba7e3c17e4b8e82e05c3a543  05_psmouse_base.patch"