#!/bin/bash

pkgname=(linux)
pkgver=5.18.2
pkgrel=1
pkgdesc='System kernel'
arch=(x86_64)
url='http://www.kernel.org'
license=(GPL2)
depends=()
makedepends=(bison flex perl python3)
options=()
changelog=ChangeLog
source=(
    "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-$pkgver.tar.xz"
	Config
)

sha256sums=(
    83d14126c660186a7a1774a4a5c29d38e170fa5e52cfd2d08fd344dcf1f57d22
	fb5801b7c4f692ac44589ad2f549e1b825a66517fec18e007d4751b2e776ddd5
)

build() {
    cd_unpacked_src
    sed -i \
        -e "/rsync/s@rsync@find usr/include -not -type d -name '*.h' | cpio -dump --quiet \$\(INSTALL_HDR_PATH\); true@" \
        -e '/^CC/s@gcc@cc@g' \
        -e '/^HOSTCC/s@gcc@cc@g' Makefile
    make LLVM=1 LLVM_IAS=1 mrproper
    cp "${srcdir}/Config" .config
    make LLVM=1 LLVM_IAS=1
}

package() {
    groups=(base)
    cd_unpacked_src
    make LLVM=1 LLVM_IAS=1 INSTALL_MOD_PATH="$pkgdir" modules_install
    install -d "${pkgdir}/boot"
    install "arch/${CARCH}/boot/bzImage" "${pkgdir}/boot/vmlinux"
    install .config "${pkgdir}/boot/config"
    # remove build/source links for now
    rm -f "${pkgdir}/lib/modules/${pkgver}/build" \
          "${pkgdir}/lib/modules/${pkgver}/source"
}