dolphin/CMake/FlagsOverride.cmake

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if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
# The default MSVC flags for Release and RelWithDebInfo are poorly chosen
# (see issue https://gitlab.kitware.com/cmake/cmake/-/issues/20812)
# By default, inlining is disabled for RelWithDebInfo.
# Manually redefine MSVC flags to match Visual Studio defaults
# and ensure that Release builds generate debug info.
foreach(f CMAKE_C_FLAGS_RELWITHDEBINFO CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELWITHDEBINFO CMAKE_CXX_FLAGS_RELEASE)
# optimize, define NDEBUG, generate debug info
set(${f} "/O2 /DNDEBUG /Z7")
endforeach()
endif()