Help macOS users compile DORiE with Apple Clang 10
What does this MR do?
Add note to
README.md for macOS users: Add CMake flag
-DDUNE_HAVE_CXX_OPTIONAL=Off to avoid the issue where parts of dune-functions (and hence, DORiE) would not compile with Apple Clang 10.
Is there something that needs to be double checked?
Can this MR be accepted?
- Pipeline passing