_flavor=postmarketos-allwinner
_config="config-$_flavor.$CARCH"
pkgname=linux-$_flavor
pkgver=5.6.0_git20200411
pkgrel=0
arch="aarch64"
pkgdesc="Kernel fork with Pine64 patches"
url="https://gitlab.com/pine64-org/linux/"
license="GPL-2.0-only"
makedepends="devicepkg-dev perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev openssl-dev file bison flex rsync"
options="!strip !check !tracedeps"
_commit="ed8620f53f4691ca23e90f2a9f11aeb12e1c846e"
source="
	$pkgname-$_commit.tar.gz::https://gitlab.com/pine64-org/linux/-/archive/$_commit/linux-$_commit.tar.gz
	config-$_flavor.aarch64
	disable-power-save.patch
	touch-dts.patch
"

subpackages="$pkgname-dev"

_carch=$CARCH
case "$_carch" in
aarch64*) _carch="arm64" ;;
arm*) _carch="arm" ;;
ppc*) _carch="powerpc" ;;
s390*) _carch="s390" ;;
esac

builddir="$srcdir/linux-$_commit"

prepare() {
	default_prepare

	REPLACE_GCCH=0 \
		. downstreamkernel_prepare
}

build() {
	unset LDFLAGS
	make ARCH="$_carch" CC="${CC:-gcc}" \
		KBUILD_BUILD_VERSION="$((pkgrel + 1 ))-$_flavor" \
		CFLAGS_MODULE=-fno-pic
}

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

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

dev() {
	provides="linux-headers"
	replaces="linux-headers"

	cd $builddir

	# https://github.com/torvalds/linux/blob/master/Documentation/kbuild/headers_install.rst
	make -j1 headers_install \
		ARCH="$_carch" \
		INSTALL_HDR_PATH="$subpkgdir"/usr
}
sha512sums="3b0c3289ed16ef43e6a57f0633a16540d5e96333acc366076ad420b8aa1b2311c0c78bf584836ca478450d6f1bd2219b0a63a02bad4ba658751f0b8d43dbf2ce  linux-postmarketos-allwinner-ed8620f53f4691ca23e90f2a9f11aeb12e1c846e.tar.gz
40c01377dec3e7a5bd482e81310b9a17579b4261ef4dc3a17badbdd752597c9a1a5b2e38b08ebe71ee3e1d22270dc3f1c37a14dbba9b6bc9bcf60ff2137c64ef  config-postmarketos-allwinner.aarch64
8cdfb6d8a894e610c261446663dfbe34c01612a091fa029645e86913634de4394db0d1ab7dedb190052dff82330f0ddabe31860bbf7cd6fe0cdf23e37d0a6ca6  disable-power-save.patch
5f403bb1e3e7528954adcba4429768ce26bf13382dc6325ced245babcfb5252d515bea812b9df16d0e5370c9d4e07b4e0267f4c750281faf3cb6ffb29906700c  touch-dts.patch"