# Contributor: Jakub Jirutka <jakub@jirutka.cz>
# Maintainer: Jakub Jirutka <jakub@jirutka.cz>

# Jool version
# Keep _ver in sync with community/jool-tools!
# When changing _ver we *must* bump _rel!
_name=jool-modules
_ver=4.0.9
_rel=0

# For custom kernels set $FLAVOR.
_flavor="$FLAVOR"
_extra_flavors=""
if [ -z "$FLAVOR" ]; then
	_flavor="rpi"
	case $CARCH in
		armhf | armv7) _extra_flavors="rpi2";;
	esac
fi

# Kernel version
# Keep in sync with main/linux-rpi!
_kpkg=linux-$_flavor
_kver=5.4.40
_krel=0
_kpkgver="$_kver-r$_krel"

pkgname=$_name-$_flavor
pkgver=$_kver
pkgrel=$(( $_krel + $_rel ))
pkgdesc="SIIT and NAT64 for Linux (kernel modules for linux-$_flavor)"
url="https://jool.mx"
arch="armhf armv7 aarch64"
license="GPL-2.0-or-later"
depends="$_kpkg=$_kpkgver"
makedepends="$_kpkg-dev=$_kpkgver linux-headers"
install_if="$_kpkg=$_kpkgver jool-tools"
source="https://github.com/NICMx/Jool/releases/download/v$_ver/jool-$_ver.tar.gz"
builddir="$srcdir/jool-$_ver"
options="!check"  # no tests provided

for _f in $_extra_flavors; do
	makedepends="$makedepends linux-$_f-dev=$_kpkgver"
	subpackages="$subpackages $_name-$_f:_extra"
done

prepare() {
	default_prepare

	if [ -z "$FLAVOR" ]; then
		(	. "$startdir"/../../main/linux-$_flavor/APKBUILD
			[ "$_kver" != "$pkgver" ] && die "please update _kver to $pkgver"
			[ "$_krel" != "$pkgrel" ] && die "please update _krel to $pkgrel"
			return 0
		)
	fi

	local flavor; for flavor in $_flavor $_extra_flavors; do
		cp -r "$builddir" "$srcdir"/$flavor
	done
}

build() {
	unset LDFLAGS

	local flavor; for flavor in $_flavor $_extra_flavors; do
		# building common first appears to fix a parallell build issue.
		make -C "$srcdir"/"$flavor"/src/mod/common \
			MODULES_DIR="/lib/modules/$_kver-$_krel-$flavor"
		make -C "$srcdir"/"$flavor"/src/mod \
			MODULES_DIR="/lib/modules/$_kver-$_krel-$flavor"
	done
}

package() {
	_modules_install "$_flavor" "$pkgdir"
}

_extra() {
	local flavor=${subpkgname##*-}
	depends="linux-$flavor=$_kpkgver"
	install_if="linux-$flavor=$_kpkgver jool-tools"
	pkgdesc="SIIT and NAT64 for Linux (kernel modules for linux-$flavor)"

	_modules_install "$flavor" "$subpkgdir"
}

_modules_install() {
	local flavor="$1"
	local destdir="$2"

	make -C "$srcdir"/$flavor/src/mod modules_install \
		MODULES_DIR=/lib/modules/$_kver-$_krel-$flavor \
		INSTALL_MOD_PATH="$destdir"
}

sha512sums="906b8e6af43c0bb15a9302cef0721a6112820e3c474285c8ae8e1d5c8eda815881cbdfd554a1a98c48b6ed138572b5a8001c5fe3443111888d1dbe685bb0df20  jool-4.0.9.tar.gz"