Add back the helper scripts

* x86_64
* i686
* armv7
* aarch64

build-sdk.sh

@@ -0,0 +1,102 @@
+#!/bin/bash
+set -e
+ 
+function usage() {
+  echo "usage: $0 host target"
+  echo "  where host is one of linux-x86_64, windows-x86_64"
+  echo "  where target is one of i686, x86_64, armv7"
+  exit 1
+}
+
+if [ -z $1 ] || [ -z $1 ]; then
+  usage
+fi
+
+case $1 in
+  linux-x86_64)
+    host=$1
+  ;;
+  windows-x86_64)
+    host=$1
+  ;;
+  *)
+    echo "unknown SDK host \"$1\""
+    usage
+esac
+
+case $2 in
+  i686)
+    cp config-godot-i686 .config
+    toolchain_prefix=i686-godot-linux-gnu
+    bits=32
+  ;;
+  x86_64)
+    cp config-godot-x86_64 .config
+    toolchain_prefix=x86_64-godot-linux-gnu
+    bits=64
+  ;;
+  armv7)
+    cp config-godot-armv7 .config
+    toolchain_prefix=arm-godot-linux-gnueabihf
+    bits=32
+  ;;
+  aarch64)
+    cp config-godot-aarch64 .config
+    toolchain_prefix=aarch64-godot-linux-gnu
+    bits=64
+  ;;
+  *)
+    echo "unknown SDK target \"$2\""
+    usage
+  ;;
+esac
+
+if which podman &> /dev/null; then
+  container=podman
+elif which docker &> /dev/null; then
+  container=docker
+else
+  echo "Podman or docker have to be in \$PATH"
+  exit 1
+fi
+
+function build_linux_sdk() {
+  ${container} build -f Dockerfile.linux-builder -t godot-buildroot-builder-linux
+  ${container} run -it --rm -v $(pwd):/tmp/buildroot:z -w /tmp/buildroot -e FORCE_UNSAFE_CONFIGURE=1 --userns=keep-id godot-buildroot-builder-linux bash -c "make syncconfig; make clean sdk"
+
+  mkdir -p godot-toolchains
+
+  rm -fr godot-toolchains/${toolchain_prefix}_sdk-buildroot
+  tar xf output/images/${toolchain_prefix}_sdk-buildroot.tar.gz -C godot-toolchains
+
+  pushd godot-toolchains/${toolchain_prefix}_sdk-buildroot
+  ../../clean-linux-toolchain.sh ${toolchain_prefix} ${bits}
+  popd
+
+  pushd godot-toolchains
+  tar -cjf ${toolchain_prefix}_sdk-buildroot.tar.bz2 ${toolchain_prefix}_sdk-buildroot
+  rm -rf ${toolchain_prefix}_sdk-buildroot
+  popd
+}
+
+function build_windows_sdk() {
+  ${container} build -f Dockerfile.windows-builder -t godot-buildroot-builder-windows
+
+  if [ ! -e godot-toolchains/${toolchain_prefix}_sdk-buildroot.tar.bz2 ]; then
+    build_linux_sdk
+  fi
+
+  ${container} run -it --rm -v $(pwd):/tmp/buildroot:z -w /tmp/buildroot --userns=keep-id godot-buildroot-builder-windows bash -x /usr/local/bin/build-windows.sh ${toolchain_prefix}
+}
+
+if [ "${host}" == "linux-x86_64" ]; then
+  build_linux_sdk
+fi
+
+if [ "${host}" == "windows-x86_64" ]; then
+  build_windows_sdk
+fi
+
+echo
+echo "***************************************"
+echo "Build succesful your toolchain is in the godot-toolchains directory"