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

168 lines
9.4 KiB
CMake

#
# All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
# its licensors.
#
# For complete copyright and license terms please see the LICENSE at the root of this
# distribution (the "License"). All use of this software is governed by the License,
# or, if provided, by the license below or the license accompanying this file. Do not
# remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#
include(cmake/Platform/Common/Configurations_common.cmake)
include(cmake/Platform/Common/VisualStudio_common.cmake)
set(LY_MSVC_SUPPORTED_GENERATORS
"Visual Studio 15"
"Visual Studio 16"
)
set(FOUND_SUPPORTED_GENERATOR)
foreach(supported_generator ${LY_MSVC_SUPPORTED_GENERATORS})
if(CMAKE_GENERATOR MATCHES ${supported_generator})
set(FOUND_SUPPORTED_GENERATOR TRUE)
break()
endif()
endforeach()
# VS2017's checks since it defaults the toolchain and target architecture to x86
if(CMAKE_GENERATOR MATCHES "Visual Studio 15")
if(CMAKE_VS_PLATFORM_NAME AND CMAKE_VS_PLATFORM_NAME STREQUAL "Win32") # VS2017 has Win32 as the default architecture
message(FATAL_ERROR "Win32 architecture not supported, specify \"-A x64\" when invoking cmake")
endif()
if(NOT CMAKE_VS_PLATFORM_TOOLSET_HOST_ARCHITECTURE STREQUAL "x64") # There is at least one library (EditorLib) that make the x86 linker to run out of memory
message(FATAL_ERROR "x86 toolset not supported, specify \"-T host=x64\" when invoking cmake")
endif()
else()
# For the other cases, verify that it wasn't invoked with an unsupported architecture. defaults to x86 architecture
if(SUPPORTED_VS_PLATFORM_NAME_OVERRIDE)
set(SUPPORTED_VS_PLATFORM_NAME ${SUPPORTED_VS_PLATFORM_NAME_OVERRIDE})
else()
set(SUPPORTED_VS_PLATFORM_NAME x64)
endif()
if(CMAKE_VS_PLATFORM_NAME AND NOT CMAKE_VS_PLATFORM_NAME STREQUAL "${SUPPORTED_VS_PLATFORM_NAME}")
message(FATAL_ERROR "${CMAKE_VS_PLATFORM_NAME} architecture not supported")
endif()
if(CMAKE_VS_PLATFORM_TOOLSET_HOST_ARCHITECTURE AND NOT CMAKE_VS_PLATFORM_TOOLSET_HOST_ARCHITECTURE STREQUAL "x64")
message(FATAL_ERROR "${CMAKE_VS_PLATFORM_TOOLSET_HOST_ARCHITECTURE} toolset not supported")
endif()
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
# 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
# Disabling these warnings while they get fixed
/wd4018 # signed/unsigned mismatch
/wd4121 # alignment of a member was sensitive to packing
/wd4244 # conversion, possible loss of data
/wd4245 # conversion, signed/unsigned mismatch
/wd4267 # conversion, possible loss of data
/wd4310 # cast truncates constant value
/wd4324 # structure was padded due to alignment specifier
/wd4366 # the result of unary operator may be unaligned
/wd4389 # comparison, signed/unsigned mismatch
/wd4436 # the result of unary operator may be unaligned
/wd4450 # declaration hides global declaration
# 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
# /we4426 # optimization flags changed after including header, may be due to #pragma optimize()
# /we4464 # relative include path contains '..'
# /we4619 # #pragma warning: there is no warning number 'number'
# /we4777 # 'function' : format string 'string' requires an argument of type 'type1', but variadic argument number has type 'type2' looks useful
# /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
/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
/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
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_INCREMENTAL_LINKING_DEBUG TRUE CACHE BOOL "Indicates if incremental linking is used in debug configurations (default = TRUE)")
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()
if(CMAKE_GENERATOR MATCHES "Visual Studio 15")
# Visual Studio 2017 has problems with [[maybe_unused]] on lambdas. Sadly, there is no different warning, so 4100 has to remain disabled on 2017
ly_append_configurations_options(
COMPILATION
/wd4100
)
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
/wd4193 # Temporary workaround for the /experiment:external feature generating warning C4193: #pragma warning(pop): no matching '#pragma warning(push)'
/wd4702 # Despite we set it to W0, we found that 3rdParty::OpenMesh was issuing these warnings while using some template functions. Disabling it here does the trick
)
if(NOT CMAKE_INCLUDE_SYSTEM_FLAG_CXX)
ly_set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX /external:I)
endif()
include(cmake/Platform/Common/TargetIncludeSystemDirectories_unsupported.cmake)