Add test to check compiler version

Change-Id: Id96eae79c6140074b154c0c987b770f24f4dd19c

starboard/nplb/BUILD.gn

@@ -19,6 +19,7 @@ target(gtest_target_type, "nplb") {
 
   sources = [
     "//starboard/common/test_main.cc",
+    "//starboard/nplb/compiler_compliance/cpp_compiler_version_check.cc",
     "//starboard/nplb/sabi/alignment_test.cc",
     "//starboard/nplb/sabi/endianness_test.cc",
     "//starboard/nplb/sabi/signedness_and_size_of_enum_test.cc",

starboard/nplb/compiler_compliance/cpp_compiler_version_check.cc

@@ -0,0 +1,32 @@
+// Copyright 2024 The Cobalt Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the aLicense is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <iostream>
+
+#ifdef __clang__
+// Check Clang major version required for building nplb tests.
+// Clang major version can be deduced from "clang_revision" in
+// starboard/build/config/clang.gni
+static_assert(
+    __clang_major__ >= 17,
+    "We compile above starboard targets like cobalt, nplb with "
+    "clang17 or higher. If you are building non-modularly or with a non-cobalt "
+    "provided toolchain you may run into this issue. There are 2 ways around "
+    "this : "
+    "1) Build libnplb modularly using the evergreen toolchain : "
+    "https://developers.google.com/youtube/cobalt/docs/gen/starboard/doc/"
+    "evergreen/cobalt_evergreen_reference_port_raspi2#build_instructions"
+    "2) Update the toolchain used to build nplb to clang17 or higher "
+    "versions.");
+#endif  // __clang__