1 files changed, 37 insertions, 0 deletions
diff --git a/third_party/jpeg-xl/docker/scripts/emsdk_install.sh b/third_party/jpeg-xl/docker/scripts/emsdk_install.sh
new file mode 100755
index 0000000000..6cf225a9d9
--- /dev/null
+++ b/third_party/jpeg-xl/docker/scripts/emsdk_install.sh
@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# Copyright (c) the JPEG XL Project Authors. All rights reserved.
+#
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+EMSDK_URL="https://github.com/emscripten-core/emsdk/archive/main.tar.gz"
+EMSDK_DIR="/opt/emsdk"
+
+EMSDK_RELEASE="2.0.23"
+
+set -eu -x
+
+# Temporary files cleanup hooks.
+CLEANUP_FILES=()
+cleanup() {
+  if [[ ${#CLEANUP_FILES[@]} -ne 0 ]]; then
+    rm -fr "${CLEANUP_FILES[@]}"
+  fi
+}
+trap "{ set +x; } 2>/dev/null; cleanup" INT TERM EXIT
+
+main() {
+  local workdir=$(mktemp -d --suffix=emsdk)
+  CLEANUP_FILES+=("${workdir}")
+
+  local emsdktar="${workdir}/emsdk.tar.gz"
+  curl --output "${emsdktar}" "${EMSDK_URL}" --location
+  mkdir -p "${EMSDK_DIR}"
+  tar -zxf "${emsdktar}" -C "${EMSDK_DIR}" --strip-components=1
+
+  cd "${EMSDK_DIR}"
+  ./emsdk install --shallow "${EMSDK_RELEASE}"
+  ./emsdk activate --embedded "${EMSDK_RELEASE}"
+}
+
+main "$@"