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Build: Use the standards conforming preprocessor when using VS2022

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This is primarily to solve Intellisense failures with various USD
header files and macros. However, it also unifies Windows x64 with
Windows arm64 (though MSVC is unused for arm64 currently) since it would
be required for proper `sse2neon` support anyhow.

Pull Request: https://projects.blender.org/blender/blender/pulls/135844
This commit is contained in:
Jesse Yurkovich
2025-03-13 19:24:42 +01:00
committed by Jesse Yurkovich
parent 36826f0237
commit c29a50a6d9
1 changed files with 2 additions and 3 deletions
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5
build_files/cmake/platform/platform_win32.cmake
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@@ -229,9 +229,8 @@ if(NOT MSVC_CLANG)
string(APPEND CMAKE_CXX_FLAGS " /permissive- /Zc:__cplusplus /Zc:inline")
string(APPEND CMAKE_C_FLAGS " /Zc:inline")
# For ARM64 devices, we need to tell MSVC to use the new preprocessor
# This is because sse2neon requires it.
if(CMAKE_SYSTEM_PROCESSOR STREQUAL "ARM64")
# For VS2022+ we can enable the the new preprocessor
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.30.30423)
string(APPEND CMAKE_CXX_FLAGS " /Zc:preprocessor")
string(APPEND CMAKE_C_FLAGS " /Zc:preprocessor")
endif()