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| author | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-06-06 20:19:44 -0400 |
|---|---|---|
| committer | Morph <39850852+Morph1984@users.noreply.github.com> | 2023-06-06 20:20:09 -0400 |
| commit | f62f43c0dae041b1a7dd282d3f1c055fa7038649 (patch) | |
| tree | 1b5469eb2a1bf536d4fa3ab061cf4a205cabbc51 | |
| parent | 238e46ec9339e1f4e8b3fb565b2c8679f14a47ff (diff) | |
CMakeLists: Force C++20 on MSVC due to conflicts with C++23 modules
The latest version of MSVC STL brings C++23 standard library modules, which conflict with precompiled headers.
Disabling with /experimental:module- has no effect, so force C++20 in the meantime while we wait for module support in other compilers.
| -rw-r--r-- | CMakeLists.txt | 2 | ||||
| -rw-r--r-- | src/CMakeLists.txt | 6 |
2 files changed, 5 insertions, 3 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 30a3c939e..3d03bbf94 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -255,7 +255,7 @@ endif() # boost asio's concept usage doesn't play nicely with some compilers yet. add_definitions(-DBOOST_ASIO_DISABLE_CONCEPTS) if (MSVC) - add_compile_options($<$<COMPILE_LANGUAGE:CXX>:/std:c++latest>) + add_compile_options($<$<COMPILE_LANGUAGE:CXX>:/std:c++20>) # boost still makes use of deprecated result_of. add_definitions(-D_HAS_DEPRECATED_RESULT_OF) diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 55b113297..0696201df 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -43,7 +43,7 @@ if (MSVC) /Zo /permissive- /EHsc - /std:c++latest + /std:c++20 /utf-8 /volatile:iso /Zc:externConstexpr @@ -51,8 +51,10 @@ if (MSVC) /Zc:throwingNew /GT + # Modules + /experimental:module- # Disable module support explicitly due to conflicts with precompiled headers + # External headers diagnostics - /experimental:external # Enables the external headers options. This option isn't required in Visual Studio 2019 version 16.10 and later /external:anglebrackets # Treats all headers included by #include <header>, where the header file is enclosed in angle brackets (< >), as external headers /external:W0 # Sets the default warning level to 0 for external headers, effectively turning off warnings for external headers |