dragora/recipes/kernel/headers/recipe

# Build recipe for linux (libre) headers.
#
# Copyright (c) 2015-2020 Matias Fonzo, <selk@dragora.org>.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

program=linux
version=5.4.25
release=1

# Set 'outdir' for a nice and well-organized output directory
outdir="${outdir}/${arch}/kernel"

pkgname=kernel-headers

tarname=${program}-libre-${version}-gnu.tar.lz

# Remote source(s)
fetch=http://linux-libre.fsfla.org/pub/linux-libre/releases/${version}-gnu/$tarname

description="
The Linux kernel headers.

The Linux kernel headers from the GNU Linux-libre project.
"

homepage=http://www.gnu.org/software/linux-libre
license="GPLv2 only"

build()
{
    set -e

    unpack "${tardir}/$tarname"

    cd "$srcdir"

    # Set sane permissions
    chmod -R u+w,go-w,a+rX-s .

    make mrproper
    make headers

    # Holy molly... the 'headers_install' target cannot be used,
    # because it requires rsync(1) - which is not available early.

    mkdir -p "${destdir}/usr/include"
    cp -Rp usr/include/* "${destdir}/usr/include/"

    # Remove cruft
    find "${destdir}/usr/include" -name '.*' -exec rm -rf {} +
    rm -f "${destdir}/usr/include/Makefile"
}