build: compile with C++20 support on Windows

StefanStojanovic · RafaelGSS · commit 2b1e7c2fcb68 · 2024-04-22T19:10:43.000-03:00
Our Linux build infra is not ready for it yet, but V8 is making it difficult to compile on Windows without it. Refs: #45402 PR-URL: #52465 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
diff --git a/common.gypi b/common.gypi
@@ -286,7 +286,8 @@
       'VCCLCompilerTool': {
         'AdditionalOptions': [
           '/Zc:__cplusplus',
-          '-std:c++17'
+          # The following option enables c++20 on Windows. This is needed for V8 v12.4+
+          '-std:c++20',
         ],
         'BufferSecurityCheck': 'true',
         'DebugInformationFormat': 1,          # /Z7 embed info in .obj files
