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o3de/cmake/Platform/Common/MSVC/Configurations_msvc.cmake

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8.0 KiB
CMake

#
# Copyright (c) Contributors to the Open 3D Engine Project.
# For complete copyright and license terms please see the LICENSE at the root of this distribution.
#
# SPDX-License-Identifier: Apache-2.0 OR MIT
#
#
set(minimum_supported_toolset 142)
if(MSVC_TOOLSET_VERSION VERSION_LESS ${minimum_supported_toolset})
message(FATAL_ERROR "MSVC toolset ${MSVC_TOOLSET_VERSION} is too old, minimum supported toolset is ${minimum_supported_toolset}")
endif()
unset(minimum_supported_toolset)
include(cmake/Platform/Common/Configurations_common.cmake)
include(cmake/Platform/Common/VisualStudio_common.cmake)
# Verify that it wasn't invoked with an unsupported target/host architecture. Currently only supports x64/x64
if(CMAKE_VS_PLATFORM_NAME AND NOT CMAKE_VS_PLATFORM_NAME STREQUAL "x64")
message(FATAL_ERROR "${CMAKE_VS_PLATFORM_NAME} target architecture is not supported, it must be 'x64'")
endif()
if(CMAKE_VS_PLATFORM_TOOLSET_HOST_ARCHITECTURE AND NOT CMAKE_VS_PLATFORM_TOOLSET_HOST_ARCHITECTURE STREQUAL "x64")
message(FATAL_ERROR "${CMAKE_VS_PLATFORM_TOOLSET_HOST_ARCHITECTURE} host toolset is not supported, it must be 'x64'")
endif()
ly_append_configurations_options(
DEFINES
_ENABLE_EXTENDED_ALIGNED_STORAGE # Enables support for extended alignment for the MSVC std::aligned_storage class
COMPILATION
/fp:fast # allows the compiler to reorder, combine, or simplify floating-point operations to optimize floating-point code for speed and space
/Gd # Use _cdecl calling convention for all functions
/MP # Multicore compilation in Visual Studio
/nologo # Suppress Copyright and version number message
/W4 # Warning level 4
/WX # Warnings as errors
/permissive- # Conformance with standard
# Disabling some warnings
/wd4201 # nonstandard extension used: nameless struct/union. This actually became part of the C++11 std, MS has an open issue: https://developercommunity.visualstudio.com/t/warning-level-4-generates-a-bogus-warning-c4201-no/103064
# Enabling warnings that are disabled by default from /W4
# https://docs.microsoft.com/en-us/cpp/preprocessor/compiler-warnings-that-are-off-by-default?view=vs-2019
/we4296 # 'operator': expression is always false
/we5233 # explicit lambda capture 'identifier' is not used
/we4426 # optimization flags changed after including header, may be due to #pragma optimize()
#/we4619 # #pragma warning: there is no warning number 'number'. Unfortunately some versions of MSVC 16.X dont filter this warning coming from external headers and Qt has a bad warning in QtCore/qvector.h(340,12)
/we4777 # 'function' : format string 'string' requires an argument of type 'type1', but variadic argument number has type 'type2
/we5031 # #pragma warning(pop): likely mismatch, popping warning state pushed in different file
/we5032 # detected #pragma warning(push) with no corresponding #pragma warning(pop)
/Zc:forScope # Force Conformance in for Loop Scope
/diagnostics:caret # Compiler diagnostic options: includes the column where the issue was found and places a caret (^) under the location in the line of code where the issue was detected.
/Zc:__cplusplus
/Zc:lambda # Use the new lambda processor (See https://developercommunity.visualstudio.com/t/A-lambda-that-binds-the-this-pointer-w/1467873 for more details)
/favor:AMD64 # Create Code optimized for 64 bit
/bigobj # Increase number of sections in obj files. Profiling has shown no meaningful impact in memory nore build times
COMPILATION_DEBUG
/GS # Enable Buffer security check
/MDd # defines _DEBUG, _MT, and _DLL and causes the application to use the debug multithread-specific and DLL-specific version of the run-time library.
# It also causes the compiler to place the library name MSVCRTD.lib into the .obj file.
/Ob0 # Disables inline expansions
/Od # Disables optimization
COMPILATION_PROFILE
/GF # Enable string pooling
/Gy # Function level linking
/MD # Causes the application to use the multithread-specific and DLL-specific version of the run-time library. Defines _MT and _DLL and causes the compiler
# to place the library name MSVCRT.lib into the .obj file.
/O2 # Maximinize speed, equivalent to /Og /Oi /Ot /Oy /Ob2 /GF /Gy
/Zc:inline # Removes unreferenced functions or data that are COMDATs or only have internal linkage
/Zc:wchar_t # Use compiler native wchar_t
/Zi # Generate debugging information (no Edit/Continue)
COMPILATION_RELEASE
/Ox # Full optimization
/Ob2 # Inline any suitable function
/Ot # Favor fast code over small code
/Oi # Use Intrinsic Functions
/Oy # Omit the frame pointer
LINK
/NOLOGO # Suppress Copyright and version number message
/IGNORE:4099 # 3rdParty linking produces noise with LNK4099
LINK_NON_STATIC_PROFILE
/OPT:REF # Eliminates functions and data that are never referenced
/OPT:ICF # Perform identical COMDAT folding. Redundant COMDATs can be removed from the linker output
/INCREMENTAL:NO
/DEBUG # Generate pdbs
LINK_NON_STATIC_RELEASE
/OPT:REF # Eliminates functions and data that are never referenced
/OPT:ICF # Perform identical COMDAT folding. Redundant COMDATs can be removed from the linker output
/INCREMENTAL:NO
)
set(LY_BUILD_WITH_ADDRESS_SANITIZER FALSE CACHE BOOL "Builds using AddressSanitizer (ASan). Will disable Edit/Continue, Incremental building and Run-Time checks (default = FALSE)")
if(LY_BUILD_WITH_ADDRESS_SANITIZER)
set(LY_BUILD_WITH_INCREMENTAL_LINKING_DEBUG FALSE)
ly_append_configurations_options(
COMPILATION_DEBUG
/fsanitize=address
)
get_filename_component(link_tools_dir ${CMAKE_LINKER} DIRECTORY)
file(COPY
${link_tools_dir}/clang_rt.asan_dbg_dynamic-x86_64.dll
DESTINATION ${CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG})
else()
ly_append_configurations_options(
COMPILATION_DEBUG
/RTCsu # Run-Time Error Checks: c Reports when a value is assigned to a smaller data type and results in a data loss (Not supoported by the STL)
# s Enables stack frame run-time error checking
# u Reports when a variable is used without having been initialized
)
endif()
set(LY_BUILD_WITH_INCREMENTAL_LINKING_DEBUG FALSE CACHE BOOL "Indicates if incremental linking is used in debug configurations (default = FALSE)")
if(LY_BUILD_WITH_INCREMENTAL_LINKING_DEBUG)
ly_append_configurations_options(
COMPILATION_DEBUG
/ZI # Enable Edit/Continue
)
else()
# Disable incremental linking
ly_append_configurations_options(
COMPILATION_DEBUG
/Zi # Generate debugging information (no Edit/Continue). Edit/Continue requires incremental linking
LINK_NON_STATIC_DEBUG
/DEBUG # Despite the documentation states /Zi implies /DEBUG, without it, stack traces are not expanded
/INCREMENTAL:NO
)
endif()
# Configure system includes
ly_set(LY_CXX_SYSTEM_INCLUDE_CONFIGURATION_FLAG
/experimental:external # Turns on "external" headers feature for MSVC compilers
/external:W0 # Set warning level in external headers to 0. This is used to suppress warnings 3rdParty libraries which uses the "system_includes" option in their json configuration
)
if(NOT CMAKE_INCLUDE_SYSTEM_FLAG_CXX)
ly_set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX /external:I)
endif()
include(cmake/Platform/Common/TargetIncludeSystemDirectories_unsupported.cmake)