fix(linux): build ppc64 (#2077)

package_linux_reh.sh

@@ -39,7 +39,7 @@ if [[ "${VSCODE_ARCH}" == "x64" || "${VSCODE_ARCH}" == "arm64" ]]; then
 elif [[ "${VSCODE_ARCH}" == "armhf" ]]; then
   VSCODE_REMOTE_DEPENDENCIES_CONTAINER_NAME="vscodium/vscodium-linux-build-agent:bionic-devtoolset-arm32v7"
 elif [[ "${VSCODE_ARCH}" == "ppc64le" ]]; then
-  VSCODE_REMOTE_DEPENDENCIES_CONTAINER_NAME="vscodium/vscodium-linux-build-agent:focal-devtoolset-ppc64le"
+  VSCODE_REMOTE_DEPENDENCIES_CONTAINER_NAME="vscodium/vscodium-linux-build-agent:bionic-devtoolset-ppc64le"
   export ELECTRON_SKIP_BINARY_DOWNLOAD=1
   export PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1
   export VSCODE_SYSROOT_REPO='VSCodium/vscode-linux-build-agent'
@@ -72,6 +72,28 @@ if [[ -d "../patches/linux/reh/" ]]; then
   done
 fi
 
+if [[ "${VSCODE_ARCH}" == "ppc64le" ]]; then
+  INCLUDES=$(cat <<EOF
+{
+  "target_defaults": {
+    "conditions": [
+      ["OS=='linux'", {
+        'cflags_cc!': [ '-std=gnu++20' ],
+        'cflags_cc': [ '-std=gnu++2a' ],
+      }]
+    ]
+  }
+}
+EOF
+)
+
+  if [ ! -d "$HOME/.gyp" ]; then
+    mkdir -p "$HOME/.gyp"
+  fi
+
+  echo "${INCLUDES}" > "$HOME/.gyp/include.gypi"
+fi
+
 for i in {1..5}; do # try 5 times
   npm ci --prefix build && break
   if [[ $i == 3 ]]; then