# Contributor: A. Wilcox <awilfox@adelielinux.org>
# Maintainer: Adelie Platform Group <adelie-devel@lists.adelielinux.org>
# KEEP THIS IN SYNC with the other easy-kernel packages.
_kflavour=""
_patchver=0
_pkgname=easy-kernel$_kflavour
pkgver=5.4.5
pkgrel=1
pkgname=$_pkgname-$pkgver-mc$_patchver
pkgdesc="The Linux kernel, packaged for your convenience"
url="https://kernel.org/"
arch="all"
options="!check !dbg !strip !tracedeps"
license="GPL-2.0-only"
depends=""
makedepends="bc bison flex gzip kmod lzop openssl-dev rsync xz"
provides="easy-kernel$_kflavour=$pkgver-r$pkgrel"
replaces="easy-kernel-power8 easy-kernel-power8-64k"
subpackages="$_pkgname-modules-$pkgver-mc$_patchver:modules
	$_pkgname-src-$pkgver-mc$_patchver:src
	linux-headers:headers"
_pkgmajver=${pkgver%%.*}
_pkgminver=${pkgver%.*}
source="https://cdn.kernel.org/pub/linux/kernel/v${_pkgmajver}.x/linux-${_pkgminver}.tar.xz
	https://distfiles.adelielinux.org/source/linux-${_pkgminver}-mc$_patchver-patches.tar.xz
	config-ppc64
	config-ppc
	config-x86_64
	config-pmmx
	config-aarch64
	config-sparc64
	config-m68k
	asound-syntax-fix.patch
	kernel.h
	uapi-iphdr.patch
	"
builddir="$srcdir/linux-${_pkgminver}"

prepare() {
	for patch in "$srcdir/linux-${_pkgminver}-mc$_patchver-patches"/*; do
		patch -p1 -i "$patch"
	done
	default_prepare

	cd "$srcdir"
	cp config-$CARCH linux-${_pkgminver}/.config
	cp -pr linux-${_pkgminver} linux-src
	if [ -f $HOME/kernel_key.pem ]; then
		cp $HOME/kernel_key.pem "$builddir"/certs/signing_key.pem
	fi
}

build() {
	make LDFLAGS=""

	cd "$srcdir/linux-src"
	make LDFLAGS="" modules_prepare clean
	cp "$builddir/Module.symvers" .

	# Kernel bug: crtsavres.o is required to build modules, but modules_prepare doesn't create it.
	if [ $CARCH = ppc ]; then
		cp "$builddir/arch/powerpc/lib/crtsavres.o" arch/powerpc/lib/
	fi
}

package() {
	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$_patchver-easy$_kflavour
	fi
	if [ -f "$pkgdir"/boot/vmlinux ]; then
		mv "$pkgdir"/boot/vmlinux \
			"$pkgdir"/boot/vmlinux-$pkgver-mc$_patchver-easy$_kflavour
	fi

	if [ -f "$pkgdir"/boot/System.map ]; then
		mv "$pkgdir"/boot/System.map \
			"$pkgdir"/boot/System.map-$pkgver-mc$_patchver-easy$_kflavour
	fi

	case $CARCH in
	aarch64|arm*)	make INSTALL_PATH="$pkgdir"/boot dtbs_install ;;
	esac

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

modules() {
	pkgdesc="Modules / device drivers for easy-kernel"
	provides="easy-kernel$_kflavour-modules=$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$_patchver-easy$_kflavour/build
	rm "$subpkgdir"/lib/modules/$pkgver-mc$_patchver-easy$_kflavour/source
	ln -s "../../../usr/src/linux-$pkgver-mc$_patchver$_kflavour" \
		"$subpkgdir"/lib/modules/$pkgver-mc$_patchver-easy$_kflavour/build
	ln -s "../../../usr/src/linux-$pkgver-mc$_patchver$_kflavour" \
		"$subpkgdir"/lib/modules/$pkgver-mc$_patchver-easy$_kflavour/source
}

headers() {
	pkgdesc="System headers provided by the Linux kernel"
	cd "$builddir"

	mkdir -p "$subpkgdir"/usr
	make headers_install INSTALL_HDR_PATH="$subpkgdir/usr"

	find "$subpkgdir/usr" \( -name .install -o -name ..install.cmd \) -exec \
		rm -f {} \;

	# provided by libdrm
	rm -rf "$subpkgdir"/usr/include/drm

	# needed for spl, VMware on x86, etc
	install -D -m644 "$builddir"/include/generated/utsrelease.h \
		"$subpkgdir"/usr/include/linux/utsrelease.h

	install -m644 "$srcdir"/kernel.h "$subpkgdir"/usr/include/linux/kernel.h
}

src() {
	pkgdesc="Kernel source code used to build the kernel"
	provides="easy-kernel$_kflavour-src=$pkgver-r$pkgrel"
	mkdir -p "$subpkgdir"/usr/src
	mv "$srcdir"/linux-src "$subpkgdir"/usr/src/linux-$pkgver-mc$_patchver$_kflavour
}

sha512sums="9f60f77e8ab972b9438ac648bed17551c8491d6585a5e85f694b2eaa4c623fbc61eb18419b2656b6795eac5deec0edaa04547fc6723fbda52256bd7f3486898f  linux-5.4.tar.xz
37c85fcec3bd54d586523f74cfb56db6158152cfbb407469f0da12b24e5de01cbe273ad4e59d41df75011c163922dadf2fe5e919cb6b16f74872e80c28bba1b1  linux-5.4-mc0-patches.tar.xz
ec86baafbfc22fdb08872276284eac7dce695c192a02c3b7d35a5d67861b98be18475ccfbb366ff988ffce27f0a4248cafc4a4b4699142616f236d612017a5d7  config-ppc64
9a0d59885382d4ed848e8c1e580a255911f6c88d06dcc736109d2c167ebf0183a06ae984d5f4aab02e2f8f8fdb62d9dcbad8d4a994f9eaef892603ea9f2b7a1f  config-ppc
0903a465a8ef658d00bd25d0917ef7ba3983cb4f595b9a2ce01f5a406771df79a4c68806d5dfc5c5c9f9544be0c714a2fc2dc5e2f4eb8a6223c3260443bf668e  config-x86_64
689e0f9c84afb7060a7438e5c1aee8342ace50983562745ef04d02be7b3ca5f61c02259cd0dffdb46d7d5857ea3cf3fee6b65c28eba0bf2341000e265ed60885  config-pmmx
baefddb2e1de0105f9333702121d3dd2c1f1d54ce22ee7f7d3a54d4fa1028e9b5dadeecb6cca8a717d30c7bc083daa652b0281fb1b39a85f191954ac5a95fecd  config-aarch64
430d968f60cfd33d3ba1e7c2fec8b1d1eedee8086c7cebebf162223b058b0e1d873033e46e05f63d8a50c61397eaf1036b1e4b3a60581f08c6482810aa25df7f  config-sparc64
1b99310e2de81267fdb1668ad6f52f26d8798d94c0a952cfe9992ff40e5d7331ddfb324b8f99bfa300240aa568bbd4525150e0c774c797d85756714163fd0fa5  config-m68k
4b2cd7dd0010aaec617c756e7587be7fad6ff0ab3dbc1ed038e3dc72c9308fc9e347c6e5296c30711d914e286aa254600586e2ad954a5da226e6e4c1522b75b5  asound-syntax-fix.patch
61dcd633d72876566b7738dd08856b26850c935b4a81ab2364711335fe01c397083160f530b3382bbc239c6a8135be6a032e93039083ec2cefdae2902429a2e0  kernel.h
6f309a18c65c991240265afd200cc79a706f5d9e5d072838a9a641ab3676a5e4c32033f9767fc723ff4c45ee462169a0f77bd7dfe63b547d521dadd073f827a7  uapi-iphdr.patch"