# 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=1
_pkgname=easy-kernel$_kflavour
pkgver=5.4.66
pkgrel=0
pkgname=$_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="kernel-boot"
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$_patchver-patches.tar.xz
	config-aarch64
	config-armv7
	config-m68k
	config-pmmx
	config-ppc
	config-ppc64
	config-sparc64
	config-x86_64
	kernel.h
	uapi-iphdr.patch
	"
builddir="$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
e6a7a5933dbe638be42a1308fd64895e53fe38be1238016a560985127106356570e6ea6ba94e6fbfb5924e24728232487c91ff1affcc79af1d724b8c813f5036  linux-5.4-mc1-patches.tar.xz
d0493196ecbb92d3cb76411a89d7a7bdb445eb7dfcbb5a77a7d4abc11bcbf65e248b0eaef2cdf482e93c4aaa4e381a8e9e37979cc3ab7cb23228e5fd8442275a  config-aarch64
7885134ad764882a7a1a4f3893f7b4dc192c83d72b4134c1b4fa60d1c1c58c3bf27259a3c71923a774734bfc6eaa40baddb4f56090fb55e4f4f78b9c2856b44c  config-armv7
581da20b2e0db48fcb29fe97ce6cf5d2e6a7092cbe2fd1b48cbdaddc1bc15d24e2470e56394624ff61b94b6ccf25035d07a18d9cbc4c16ac7f2865913a13c0d8  config-m68k
a096a2dd1f2aa1068800fbddbc1a8b909253f5f2174527691731932a0d57c8262e8ed631a054099dedd1ced0709562f09a81040bbd0f72d1a584151456905ccf  config-pmmx
20834051bba37b1035dfed97431f36bb8ca973077a33d8186b0968d0d90c74573ad63a39b879437bc8231acc3a8a3b405c2b845b910c03ca4a5fbc65243addb6  config-ppc
dcf8bc3638b3234df3d66f5b804938113e859ffd1df4c7b689f476ea5d9c43d5df9c58dbb8b4def61e8f720554d9d11db6d6065ed5ded7482d5bb088d838f23e  config-ppc64
4527b7951620953e83e824c41e2dbc5c49e92f13709500fd849813dc157897da33d177b901ce1304b317a51a7c19a561a891a02e463f98236ff9e6957131d65a  config-sparc64
a71f8446cc483c9e571b8793d6de92a15f9752cc85a0199fa0a62baa6da3ddb90e1e8354132789496074e4bb337706e56bf52e4cb331b33eb990c3a68eceba87  config-x86_64
61dcd633d72876566b7738dd08856b26850c935b4a81ab2364711335fe01c397083160f530b3382bbc239c6a8135be6a032e93039083ec2cefdae2902429a2e0  kernel.h
6f309a18c65c991240265afd200cc79a706f5d9e5d072838a9a641ab3676a5e4c32033f9767fc723ff4c45ee462169a0f77bd7dfe63b547d521dadd073f827a7  uapi-iphdr.patch"