# Contributor: A. Wilcox <awilfox@adelielinux.org>
# Maintainer: Adelie Platform Group <adelie-devel@lists.adelielinux.org>
_pkgname=easy-kernel-power8-64k
pkgver=4.14.88
pkgrel=13
pkgname=$_pkgname-$pkgver-mc$pkgrel
_kflavour=power8-64k
pkgdesc="The Linux kernel, packaged for POWER8 and POWER9 computers (with 64K page size)"
url="https://kernel.org/"
arch="ppc64"
options="!check !dbg !strip !tracedeps"
license="GPL-2.0-only"
depends=""
makedepends="bc gzip lzop openssl-dev xz"
install=""
provides="easy-kernel-power8-64k=$pkgver-r$pkgrel"
subpackages="$_pkgname-modules-$pkgver-mc$pkgrel:modules"
source="https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.14.tar.xz
	https://distfiles.adelielinux.org/source/linux-4.14-mc$pkgrel.patch.xz
	ast-endianness.patch
	config-ppc64
	futex-cmpxchg.patch
	"
builddir="$srcdir/linux-4.14"

prepare() {
	default_prepare
	cd "$srcdir"
	cat linux-4.14-mc$pkgrel.patch.xz | unxz -> linux-4.14-mc$pkgrel.patch
	cd "$builddir"
	patch -Np1 <../linux-4.14-mc$pkgrel.patch
	cd "$srcdir"
	cp config-$CARCH linux-4.14/.config
	cp -pr linux-4.14 linux-src
}

build() {
	cd "$builddir"
	make LDFLAGS=""
}

package() {
	cd "$builddir"
	mkdir -p "$pkgdir"/boot
	make INSTALL_PATH="$pkgdir"/boot \
		INSTALL_MOD_PATH="$pkgdir" \
		install modules_install

	if [ -f "$pkgdir"/boot/vmlinuz ]; then
		mv "$pkgdir"/boot/vmlinuz \
			"$pkgdir"/boot/vmlinuz-$pkgver-mc$pkgrel-easy-$_kflavour
	fi
	if [ -f "$pkgdir"/boot/vmlinux ]; then
		mv "$pkgdir"/boot/vmlinux \
			"$pkgdir"/boot/vmlinux-$pkgver-mc$pkgrel-easy-$_kflavour
	fi

	# This allows coexistence of both kernel flavours on media.
	mv "$pkgdir"/boot/System.map "$pkgdir"/boot/System.map-$_kflavour

	install -D "$builddir"/include/config/kernel.release \
		"$pkgdir"/usr/share/kernel/easy-$pkgver-mc$pkgrel-$_kflavour/kernel.release
}

modules() {
	pkgdesc="Modules / device drivers for easy-kernel"
	provides="easy-kernel-power8-64k-modules=$pkgver-r$pkgrel"
	autodeps=0  # modules should not depend on src just for symlink
	mkdir -p "$subpkgdir"/lib
	mv "$pkgdir"/lib/modules "$subpkgdir"/lib/
	rm "$subpkgdir"/lib/modules/$pkgver-mc$pkgrel-easy-$_kflavour/build
	rm "$subpkgdir"/lib/modules/$pkgver-mc$pkgrel-easy-$_kflavour/source
	ln -s "../../../usr/src/linux-$pkgver-mc$pkgrel-p8" \
		"$subpkgdir"/lib/modules/$pkgver-mc$pkgrel-easy-$_kflavour/build
	ln -s "../../../usr/src/linux-$pkgver-mc$pkgrel-p8" \
		"$subpkgdir"/lib/modules/$pkgver-mc$pkgrel-easy-$_kflavour/source
}

sha512sums="77e43a02d766c3d73b7e25c4aafb2e931d6b16e870510c22cef0cdb05c3acb7952b8908ebad12b10ef982c6efbe286364b1544586e715cf38390e483927904d8  linux-4.14.tar.xz
bfe606f208894cc572fb98f323e26956c69b4f75febd4a9b500514cbb2aa70bddb2aba05b3f16a5fe52535236b215335f73974324065f80643265f17f281faa6  linux-4.14-mc13.patch.xz
e41d9111219342ad13367902242444ecdd847a93575c3f9709d6c6a075bc650f4a15be9db1a8798435fc0a0b56d41705829bfe0d2c2d88f8d1c28931e27ef5be  ast-endianness.patch
6e155f1109666ee907baf7f586d856366ba8afb6f008d48489c0bc269438a8280534266d3e37b449e44ce964688ea48f041bb36214eb495d59b84e55cdf49c19  config-ppc64
64486a4f53046a69f727cecd8c39400b50c2d2b15e3b5ca8c18b8249d25990f3a872ec064800ba3d190f9d25b4518899b9ea3675920f487108102856d6beb51e  futex-cmpxchg.patch"