Add scripts to build wireguard packages for TurrisOS

build_turris_openwrt.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+set -e
+set -o nounset
+set -o errexit
+
+type git >/dev/null 2>&1 || { echo >&2 "git required. Aborting."; exit 1; }
+type ccache >/dev/null 2>&1 || { echo >&2 "ccache required. Aborting."; exit 1; }
+
+SDK="OpenWrt-SDK-mvebu_gcc-4.8-linaro_musl-1.1.15_eabi.Linux-x86_64"
+sdk_url="https://repo.turris.cz/omnia/${SDK}.tar.bz2"
+lede_dir="lede"
+wireguard_path="${lede_dir}/package/network/services/wireguard"
+arm_cc="${SDK}/staging_dir/toolchain-arm_cortex-a9+vfpv3_gcc-4.8-linaro_musl-1.1.15_eabi/bin/arm-openwrt-linux-g++"
+arm_ld="${SDK}/staging_dir/toolchain-arm_cortex-a9+vfpv3_gcc-4.8-linaro_musl-1.1.15_eabi/bin/arm-openwrt-linux-ld"
+kernel_dir="${SDK}/build_dir/target-arm_cortex-a9+vfpv3_musl-1.1.15_eabi/linux-mvebu/linux-4.4.91/arch/arm/kernel"
+
+if [ ! -d $SDK ]; then
+    echo "Downloading and extracting SDK..."
+    wget $sdk_url
+    tar xf $SDK.tar.bz2
+    rm -f $SDK.tar.bz2
+fi
+
+echo "Building for ${SDK}"
+
+echo "Updating checkout..."
+
+if [ -d $lede_dir ]; then
+    pushd $lede_dir
+    git pull
+    popd
+else
+    git clone https://github.com/lede-project/source/ $lede_dir
+fi
+
+rsync -aP $wireguard_path $SDK/package
+
+if [ ! -f $kernel_dir/module.lds ]; then
+    echo -e "SECTIONS {\n\t.core.plt : { BYTE(0) }\n\t.init.plt : { BYTE(0) }\n}" > $kernel_dir/module.lds
+fi
+
+echo "Building..."
+
+make CXX=$arm_cc LD=$arm_ld V=s -C $SDK -j 5
+
+rsync --remove-source-files $SDK/bin/mvebu-musl/packages/base/*.ipk ./
+
+echo "Done."