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Mac platform support (intel and arm) (o3de#3)
## What's new? - Added Mac platform support to PhysX 5.1. - New build preset `mac64` added. It supports 64-bit x86_64 architecture with SSE2 SIMD instructions. - New build preset `mac-arm64` added. It supports 64-bit arm architecture with NEON SIMD instructions. - Support for generating PhysX as either static or dynamic libraries. - New Mac platform readme. ## Out of Scope The following points are considered out of scope, they can be added in the future: - Support for PhysX Snippets. - Support for Omniverse Visual Debugger (OmniPVD) . - Support for other architectures: 32-bit x86 ## Known Errors/Limitations - The name of the bin folder for mac-arm64 will appear as `bin\mac.x86_64`. **To fix this nVidia has to modify the CMakeModules package it's downloaded from packman when building PhysX** (NVIDIA-Omniverse#59). The file that needs to be modified is `GetCompilerAndPlatform.cmake`, modifying the mac lines of the `if` condition inside `GetPlatformBinName` function to this: ```` ELSEIF(TARGET_BUILD_PLATFORM STREQUAL "mac") IF(${PX_OUTPUT_ARCH} STREQUAL "x86") SET(RETVAL "mac.x86_${LIBPATH_SUFFIX}") ELSEIF(${PX_OUTPUT_ARCH} STREQUAL "arm") SET(RETVAL "mac.arm64") ENDIF() ```` - Python package used by packman is based on x86_64 architecture and generates the error `dyld[number]: missing symbol called` when run on an arm-based Mac. **To fix this nVidia has to add an ARM python package for mac into the packman scripts** (NVIDIA-Omniverse#60). As a temporary solution, use your system's python adding the environment variable `PM_PYTHON_EXT` before building (for example by adding `export PM_PYTHON_EXT="python3"` into your `.bash_profile` file). - PhysX Systems that require a CUDA capable GPU are not supported in Mac, for example particle system or cloth simulation. ## Testing - Built PhysX 5.1 successfully on mac64 in debug, checked, profile and release using `PX_GENERATE_STATIC_LIBRARIES` set to both true and false. The right output binaries were generated in `bin/mac.x86_64` - Built PhysX 5.1 successfully on mac-arm64 in debug, checked, profile and release using `PX_GENERATE_STATIC_LIBRARIES` set to both true and false. The right output binaries were generated in `bin/mac.arm64` - Built cmake `install` target successfully. It generated the correct output for Mac under `install/mac64` and `install/mac-arm64` folders, only including necessary headers for Mac. - Runtime tested using `Open 3D Engine (O3DE)` with an early integration [branch](https://github.com/aws-lumberyard-dev/o3de/tree/PhysX5Support). The following video shows O3DE running PhysX 5.1 on mac64. https://user-images.githubusercontent.com/27999040/204763960-7fe2763e-c3b1-4c73-a6fb-ad3357ef02d3.mov Signed-off-by: moraaar <[email protected]>
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‎physx/.gitignore‎

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compiler/vc*
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compiler/android*
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compiler/ios*
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compiler/mac*
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include/PxConfig.h
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install/
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.DS_Store

‎physx/buildtools/cmake_generate_projects.py‎

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outString = outString + ' -DTARGET_BUILD_PLATFORM=mac'
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outString = outString + ' -DPX_OUTPUT_ARCH=x86'
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return outString
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elif self.targetPlatform == 'macArm64':
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outString = outString + ' -DTARGET_BUILD_PLATFORM=mac'
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outString = outString + ' -DPX_OUTPUT_ARCH=arm'
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return outString
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elif self.targetPlatform == 'ios64':
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outString = outString + ' -DTARGET_BUILD_PLATFORM=ios'
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outString = outString + ' -DCMAKE_SYSTEM_NAME=iOS'

‎physx/buildtools/presets/public/mac-arm64.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<preset name="mac-arm64" comment="Mac-arm64 Xcode PhysX general settings">
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<platform targetPlatform="macArm64" compiler="xcode" />
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<CMakeSwitches>
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<cmakeSwitch name="PX_GENERATE_STATIC_LIBRARIES" value="True" comment="Generate static libraries" />
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<cmakeSwitch name="NV_FORCE_64BIT_SUFFIX" value="True" comment="Force a 64 bit suffix for platforms that don't register properly." />
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</CMakeSwitches>
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<CMakeParams>
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<cmakeParam name="CMAKE_INSTALL_PREFIX" value="install/mac-arm64/PhysX" comment="Install path relative to PhysX SDK root" />
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<cmakeParam name="CMAKE_OSX_DEPLOYMENT_TARGET" value="11.0" comment="Mac minimum deployment target" />
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</CMakeParams>
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</preset>

‎physx/buildtools/presets/public/mac64.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<preset name="mac64" comment="Mac Xcode PhysX general settings">
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<platform targetPlatform="mac64" compiler="xcode" />
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<CMakeSwitches>
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<cmakeSwitch name="PX_GENERATE_STATIC_LIBRARIES" value="True" comment="Generate static libraries" />
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<cmakeSwitch name="NV_FORCE_64BIT_SUFFIX" value="True" comment="Force a 64 bit suffix for platforms that don't register properly." />
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</CMakeSwitches>
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<CMakeParams>
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<cmakeParam name="CMAKE_INSTALL_PREFIX" value="install/mac64/PhysX" comment="Install path relative to PhysX SDK root" />
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<cmakeParam name="CMAKE_OSX_DEPLOYMENT_TARGET" value="11.0" comment="macOS minimum deployment target" />
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</CMakeParams>
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</preset>

‎physx/documentation/platformreadme/mac/README_MAC.md‎

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# NVIDIA PhysX SDK for Mac
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## Location of Binaries:
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* SDK libraries: bin/mac.x86_64, bin/mac.arm64
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## Required packages to generate projects:
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* CMake, minimum version 3.20
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* Python, minimum version 3.5
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* XCode, minimum version 12
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### Notes
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* Packman script uses 'realpath' command. It can be installed via homebrew by running the command 'brew install coreutils'.
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* Python package used by packman is based on x86_x64 architecture and generates the error "dyld[number]: missing symbol called" when run on an arm-based Mac. To use your system's python add the environment variable PM_PYTHON_EXT (for example by adding 'export PM_PYTHON_EXT="python3"' into your .bash_profile file).
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## Generating Makefiles:
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* Makefiles are generated through a script in physx root directory: generate_projects.sh
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* Script generate_projects.bat expects a preset name as a parameter, if a parameter is not provided it does list the available presets and you can select one.
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* Supported presets for Mac platform are: mac64, mac-arm64.
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* Generated solutions are in folder compiler/mac64, compiler/mac-arm64.
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## Building SDK:
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* XCode projects are in compiler/mac64, compiler/mac-arm64.
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* Build solution: cmake --build . --config (debug|checked|profile|release)
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## Limitations:
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* PhysX Snippets are not supported.
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* PhysX Systems that require a CUDA capable GPU are not supported, for example particle system or cloth simulation.
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* Omniverse Visual Debugger (OmniPVD) is not supported.

‎physx/include/foundation/PxFPU.h‎

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#if PX_WINDOWS_FAMILY
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#include "foundation/windows/PxWindowsFPU.h"
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#elif (PX_LINUX && PX_SSE2) || PX_OSX
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#elif ((PX_LINUX || PX_OSX) && PX_SSE2)
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#include "foundation/unix/PxUnixFPU.h"
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#else
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PX_INLINE physx::PxSIMDGuard::PxSIMDGuard(bool)

‎physx/include/foundation/PxVecMath.h‎

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#define COMPILE_VECTOR_INTRINSICS 1
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#elif PX_IOS && PX_NEON
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#define COMPILE_VECTOR_INTRINSICS 1
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#elif PX_OSX && PX_NEON
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#define COMPILE_VECTOR_INTRINSICS 1
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#elif PX_SWITCH
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#define COMPILE_VECTOR_INTRINSICS 1
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#else

‎physx/source/compiler/cmake/mac/CMakeLists.txt‎

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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following conditions
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## are met:
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## * Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## * Redistributions in binary form must reproduce the above copyright
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## notice, this list of conditions and the following disclaimer in the
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## documentation and/or other materials provided with the distribution.
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## * Neither the name of NVIDIA CORPORATION nor the names of its
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## contributors may be used to endorse or promote products derived
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## from this software without specific prior written permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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## EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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## PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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## EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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## PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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## PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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## OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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##
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## Copyright (c) 2008-2022 NVIDIA Corporation. All rights reserved.
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IF(PX_OUTPUT_ARCH STREQUAL "arm")
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SET(OSX_BITNESS "-arch arm64")
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SET(CMAKE_OSX_ARCHITECTURES "arm64")
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SET(ARCH_SIMD_FLAG "") # No flags needed to enable NEON
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ELSE()
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SET(OSX_BITNESS "-arch x86_64")
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SET(CMAKE_OSX_ARCHITECTURES "x86_64")
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SET(ARCH_SIMD_FLAG "-msse2")
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ENDIF()
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SET(PHYSX_CXX_FLAGS "${OSX_BITNESS} ${ARCH_SIMD_FLAG} -std=c++11 -fno-rtti -fno-exceptions -ffunction-sections -fdata-sections -Werror -ferror-limit=0 -Wall -Wextra -fstrict-aliasing -Wstrict-aliasing=2 -Weverything -Wno-unknown-warning-option -Wno-documentation-deprecated-sync -Wno-documentation-unknown-command -Wno-float-equal -Wno-padded -Wno-weak-vtables -Wno-cast-align -Wno-conversion -Wno-missing-noreturn -Wno-missing-variable-declarations -Wno-shift-sign-overflow -Wno-covered-switch-default -Wno-exit-time-destructors -Wno-global-constructors -Wno-missing-prototypes -Wno-unreachable-code -Wno-unused-macros -Wno-unused-member-function -Wno-used-but-marked-unused -Wno-weak-template-vtables -Wno-deprecated -Wno-non-virtual-dtor -Wno-invalid-noreturn -Wno-return-type-c-linkage -Wno-reserved-id-macro -Wno-c++98-compat-pedantic -Wno-unused-local-typedef -Wno-old-style-cast -Wno-newline-eof -Wno-unused-private-field -Wno-undefined-reinterpret-cast -Wno-invalid-offsetof -Wno-zero-as-null-pointer-constant -Wno-atomic-implicit-seq-cst -Wno-suggest-destructor-override -Wno-suggest-override -Wno-alloca -Wno-switch-enum -Wno-unused-but-set-variable -Wno-shadow-field -gdwarf-2" CACHE INTERNAL "PhysX CXX")
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SET(CMAKE_SHARED_LINKER_FLAGS_CHECKED "")
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SET(CMAKE_SHARED_LINKER_FLAGS_PROFILE "")
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SET(CMAKE_SHARED_LINKER_FLAGS "")
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# Build debug info for all configurations
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SET(PHYSX_CXX_FLAGS_DEBUG "-O0 -g" CACHE INTERNAL "PhysX Debug CXX Flags")
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SET(PHYSX_CXX_FLAGS_CHECKED "-O3 -g" CACHE INTERNAL "PhysX Checked CXX Flags")
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SET(PHYSX_CXX_FLAGS_PROFILE "-O3 -g" CACHE INTERNAL "PhysX Profile CXX Flags")
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SET(PHYSX_CXX_FLAGS_RELEASE "-O3 -g" CACHE INTERNAL "PhysX Release CXX Flags")
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# These flags are local to the directory the CMakeLists.txt is in
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SET(CMAKE_CXX_FLAGS ${PHYSX_CXX_FLAGS})
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SET(CMAKE_CXX_FLAGS_DEBUG ${PHYSX_CXX_FLAGS_DEBUG})
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SET(CMAKE_CXX_FLAGS_CHECKED ${PHYSX_CXX_FLAGS_CHECKED})
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SET(CMAKE_CXX_FLAGS_PROFILE ${PHYSX_CXX_FLAGS_PROFILE})
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SET(CMAKE_CXX_FLAGS_RELEASE ${PHYSX_CXX_FLAGS_RELEASE})
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IF(PUBLIC_RELEASE)
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SET(PUBLIC_RELEASE_FLAG "PX_PUBLIC_RELEASE=1")
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ELSE()
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SET(PUBLIC_RELEASE_FLAG "PX_PUBLIC_RELEASE=0")
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ENDIF()
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#set(CMAKE_XCODE_ATTRIBUTE_DEBUG_INFORMATION_FORMAT "dwarf-with-dsym")
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# Controls PX_NVTX for all projects on Mac
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SET(NVTX_FLAG "PX_NVTX=0")
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# Disable OmniPVD for all projects on Mac
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SET(PX_SUPPORT_OMNI_PVD_FLAG "PX_SUPPORT_OMNI_PVD=0")
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# Disable cuda for all projects
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SET(PHYSX_MAC_COMPILE_DEFS "DISABLE_CUDA_PHYSX;${PHYSX_AUTOBUILD};${PUBLIC_RELEASE_FLAG};${FEATURES_UNDER_CONSTRUCTION_FLAG}" CACHE INTERNAL "Base PhysX preprocessor definitions")
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SET(PHYSX_MAC_DEBUG_COMPILE_DEFS "_DEBUG;PX_DEBUG=1;PX_CHECKED=1;${NVTX_FLAG};PX_SUPPORT_PVD=1;${PX_SUPPORT_OMNI_PVD_FLAG}" CACHE INTERNAL "Debug PhysX preprocessor definitions")
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SET(PHYSX_MAC_CHECKED_COMPILE_DEFS "NDEBUG;PX_CHECKED=1;${NVTX_FLAG};PX_SUPPORT_PVD=1;${PX_SUPPORT_OMNI_PVD_FLAG}" CACHE INTERNAL "Checked PhysX preprocessor definitions")
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SET(PHYSX_MAC_PROFILE_COMPILE_DEFS "NDEBUG;PX_PROFILE=1;${NVTX_FLAG};PX_SUPPORT_PVD=1;${PX_SUPPORT_OMNI_PVD_FLAG}" CACHE INTERNAL "Profile PhysX preprocessor definitions")
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SET(PHYSX_MAC_RELEASE_COMPILE_DEFS "NDEBUG;PX_SUPPORT_PVD=0;PX_SUPPORT_OMNI_PVD=0" CACHE INTERNAL "Release PhysX preprocessor definitions")
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# Include all of the projects
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INCLUDE(PhysXFoundation.cmake)
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INCLUDE(LowLevel.cmake)
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INCLUDE(LowLevelAABB.cmake)
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INCLUDE(LowLevelDynamics.cmake)
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INCLUDE(PhysX.cmake)
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INCLUDE(PhysXCharacterKinematic.cmake)
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INCLUDE(PhysXCommon.cmake)
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INCLUDE(PhysXCooking.cmake)
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INCLUDE(PhysXExtensions.cmake)
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INCLUDE(PhysXVehicle.cmake)
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INCLUDE(PhysXVehicle2.cmake)
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INCLUDE(PhysXPvdSDK.cmake)
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INCLUDE(PhysXTask.cmake)
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INCLUDE(SceneQuery.cmake)
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INCLUDE(SimulationController.cmake)
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INCLUDE(FastXml.cmake)
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# Set folder PhysX SDK to all common SDK source projects
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SET_PROPERTY(TARGET PhysX PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET PhysXCharacterKinematic PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET PhysXCommon PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET PhysXCooking PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET PhysXExtensions PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET PhysXVehicle PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET PhysXVehicle2 PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET LowLevel PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET LowLevelAABB PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET LowLevelDynamics PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET SceneQuery PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET SimulationController PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET FastXml PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET PhysXPvdSDK PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET PhysXTask PROPERTY FOLDER "PhysX SDK")
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SET_PROPERTY(TARGET PhysXFoundation PROPERTY FOLDER "PhysX SDK")

‎physx/source/compiler/cmake/mac/FastXml.cmake‎

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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following conditions
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## are met:
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## * Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## * Redistributions in binary form must reproduce the above copyright
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## notice, this list of conditions and the following disclaimer in the
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## documentation and/or other materials provided with the distribution.
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## * Neither the name of NVIDIA CORPORATION nor the names of its
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## contributors may be used to endorse or promote products derived
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## from this software without specific prior written permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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## EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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## PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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## EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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## PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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## PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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## OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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##
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## Copyright (c) 2008-2022 NVIDIA Corporation. All rights reserved.
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#
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# Build FastXml
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#
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# Use generator expressions to set config specific preprocessor definitions
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SET(FASTXML_COMPILE_DEFS
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# Common to all configurations
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${PHYSX_MAC_COMPILE_DEFS};
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$<$<CONFIG:debug>:${PHYSX_MAC_DEBUG_COMPILE_DEFS};>
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$<$<CONFIG:checked>:${PHYSX_MAC_CHECKED_COMPILE_DEFS};>
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$<$<CONFIG:profile>:${PHYSX_MAC_PROFILE_COMPILE_DEFS};>
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$<$<CONFIG:release>:${PHYSX_MAC_RELEASE_COMPILE_DEFS};>
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)
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SET(FASTXML_LIBTYPE OBJECT)

‎physx/source/compiler/cmake/mac/LowLevel.cmake‎

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## Redistribution and use in source and binary forms, with or without
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## modification, are permitted provided that the following conditions
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## are met:
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## * Redistributions of source code must retain the above copyright
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## notice, this list of conditions and the following disclaimer.
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## * Redistributions in binary form must reproduce the above copyright
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## notice, this list of conditions and the following disclaimer in the
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## documentation and/or other materials provided with the distribution.
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## * Neither the name of NVIDIA CORPORATION nor the names of its
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## contributors may be used to endorse or promote products derived
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## from this software without specific prior written permission.
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##
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## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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## EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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## PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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## EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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## PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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## PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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## OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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##
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## Copyright (c) 2008-2022 NVIDIA Corporation. All rights reserved.
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#
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# Build LowLevel
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#
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SET(LOWLEVEL_PLATFORM_INCLUDES
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${PHYSX_SOURCE_DIR}/Common/src/mac
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${PHYSX_SOURCE_DIR}/LowLevel/software/include/mac
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${PHYSX_SOURCE_DIR}/LowLevelDynamics/include/mac
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${PHYSX_SOURCE_DIR}/LowLevel/common/include/pipeline/mac
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)
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SET(LOWLEVEL_COMPILE_DEFS
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# Common to all configurations
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${PHYSX_MAC_COMPILE_DEFS};PX_PHYSX_STATIC_LIB
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$<$<CONFIG:debug>:${PHYSX_MAC_DEBUG_COMPILE_DEFS};>
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$<$<CONFIG:checked>:${PHYSX_MAC_CHECKED_COMPILE_DEFS};>
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$<$<CONFIG:profile>:${PHYSX_MAC_PROFILE_COMPILE_DEFS};>
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$<$<CONFIG:release>:${PHYSX_MAC_RELEASE_COMPILE_DEFS};>
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)
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SET(LOWLEVEL_PLATFORM_LINK_FLAGS " ")
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SET(LOWLEVEL_LIBTYPE OBJECT)
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