226 lines
9.3 KiB
CMake
226 lines
9.3 KiB
CMake
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# =======================================================================
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# WARNING WARNING WARNING WARNING WARNING WARNING
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# =======================================================================
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# Remember to put on SAFETY GOGGLES before looking at this file. You
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# are most certainly not expected to read or understand any of it.
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# =======================================================================
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#
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# This CMake file is responsible for compiling dependency libraries and
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# setting up suitable compiler flags for various platforms. You do not
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# need to read or change anything in this file; see CMakeLists.txt in
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# the main Nori folder instead.
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include(CheckCXXCompilerFlag)
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if(NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/openexr/OpenEXR")
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message(FATAL_ERROR "The Nori dependencies are missing! "
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"You probably did not clone the project with --recursive. It is possible to recover "
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"by calling \"git submodule update --init --recursive\"")
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endif()
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# Set a default build configuration (Release)
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Setting build type to 'Release' as none was specified.")
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set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
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"MinSizeRel" "RelWithDebInfo")
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endif()
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string(TOUPPER "${CMAKE_BUILD_TYPE}" U_CMAKE_BUILD_TYPE)
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# Enable folders for projects in Visual Studio
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if (CMAKE_GENERATOR MATCHES "Visual Studio")
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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endif()
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if (APPLE)
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set(CMAKE_MACOSX_RPATH ON)
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endif()
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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CHECK_CXX_COMPILER_FLAG("-std=c++14" HAS_CPP14_FLAG)
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CHECK_CXX_COMPILER_FLAG("-std=c++11" HAS_CPP11_FLAG)
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if (HAS_CPP14_FLAG)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
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elseif (HAS_CPP11_FLAG)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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else()
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message(FATAL_ERROR "Unsupported compiler -- Nori requires C++11 support!")
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endif()
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# Prefer libc++ in conjunction with Clang
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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CHECK_CXX_COMPILER_FLAG("-stdlib=libc++" HAS_LIBCPP)
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if (HAS_LIBCPP)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -D_LIBCPP_VERSION")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++")
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set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -stdlib=libc++")
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message(STATUS "Nori: using libc++.")
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else()
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message(WARNING "libc++ is recommended in conjunction with clang. Please insteall the libc++ development headers, provided e.g. by the packages 'libc++-dev' and 'libc++abi-dev' on Debian/Ubuntu.")
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endif()
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endif()
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# Enable link time optimization and set the default symbol
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# visibility to hidden (very important to obtain small binaries)
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if (NOT ${U_CMAKE_BUILD_TYPE} MATCHES DEBUG)
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# Default symbol visibility
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
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endif()
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# Disable specific GCC 7 warnings
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if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated-declarations -Wno-misleading-indentation -Wformat-truncation=0 -Wno-int-in-bool-context -Wimplicit-fallthrough=0")
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endif()
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endif()
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# Sanitize build environment for static build with C++11
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if (MSVC)
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# Disable annoying secure CRT warnings
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D_CRT_SECURE_NO_WARNINGS")
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# We'll select the TBB library ourselves
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D__TBB_NO_IMPLICIT_LINKAGE")
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# Parallel build on MSVC (all targets)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
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if (NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /arch:SSE2")
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# Disable Eigen vectorization for Windows 32 bit builds (issues with unaligned access segfaults)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /DEIGEN_DONT_ALIGN")
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endif()
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# Static build
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set(CompilerFlags
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CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
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CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO
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CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
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CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO)
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foreach(CompilerFlag ${CompilerFlags})
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string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
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endforeach()
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endif()
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if (WIN32)
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# Build zlib (only on Windows)
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set(ZLIB_BUILD_STATIC_LIBS ON CACHE BOOL " " FORCE)
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set(ZLIB_BUILD_SHARED_LIBS OFF CACHE BOOL " " FORCE)
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add_subdirectory(zlib)
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set(ZLIB_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/zlib" CACHE PATH " " FORCE)
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if (CMAKE_GENERATOR STREQUAL "Ninja")
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set(ZLIB_LIBRARY "${CMAKE_CURRENT_BINARY_DIR}/zlib/zlibstatic.lib" CACHE FILEPATH " " FORCE)
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else()
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set(ZLIB_LIBRARY "${CMAKE_CURRENT_BINARY_DIR}/zlib/$<CONFIGURATION>/zlibstatic.lib" CACHE FILEPATH " " FORCE)
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endif()
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set_property(TARGET zlibstatic PROPERTY FOLDER "dependencies")
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include_directories(${ZLIB_INCLUDE_DIR} "${CMAKE_CURRENT_BINARY_DIR}/zlib")
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endif()
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# Build OpenER
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set(ILMBASE_BUILD_SHARED_LIBS OFF CACHE BOOL " " FORCE)
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set(OPENEXR_BUILD_SHARED_LIBS OFF CACHE BOOL " " FORCE)
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set(ILMBASE_NAMESPACE_VERSIONING OFF CACHE BOOL " " FORCE)
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set(OPENEXR_NAMESPACE_VERSIONING OFF CACHE BOOL " " FORCE)
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add_subdirectory(openexr)
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set_property(TARGET IexMath eLut toFloat b44ExpLogTable dwaLookups IlmThread Half Iex Imath IlmImf PROPERTY FOLDER "dependencies")
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# Build Thread Building Blocks (main shared libraries only)
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set(TBB_BUILD_SHARED OFF CACHE BOOL " " FORCE)
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set(TBB_BUILD_STATIC ON CACHE BOOL " " FORCE)
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set(TBB_BUILD_TBBMALLOC OFF CACHE BOOL " " FORCE)
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set(TBB_BUILD_TBBMALLOC_PROXY OFF CACHE BOOL " " FORCE)
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set(TBB_BUILD_TESTS OFF CACHE BOOL " " FORCE)
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add_subdirectory(tbb)
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set_property(TARGET tbb_static tbb_def_files PROPERTY FOLDER "dependencies")
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if (APPLE)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DGL_SILENCE_DEPRECATION=1")
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endif()
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# Build NanoGUI
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# Use OpenGL backend for UI. In the future, this can be removed to use Metal on MacOS
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set(NANOGUI_BACKEND "OpenGL" CACHE BOOL " " FORCE)
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set(NANOGUI_BUILD_EXAMPLES OFF CACHE BOOL " " FORCE)
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set(NANOGUI_BUILD_SHARED OFF CACHE BOOL " " FORCE)
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set(NANOGUI_BUILD_PYTHON OFF CACHE BOOL " " FORCE)
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add_subdirectory(nanogui)
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set_property(TARGET glfw glfw_objects nanogui PROPERTY FOLDER "dependencies")
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# Build the pugixml parser
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add_library(pugixml STATIC pugixml/src/pugixml.cpp)
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set_property(TARGET pugixml PROPERTY
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LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/pugixml")
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set_property(TARGET pugixml PROPERTY FOLDER "dependencies")
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set(OPENEXR_INCLUDE_DIRS
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${CMAKE_CURRENT_SOURCE_DIR}/openexr/IlmBase/Imath
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${CMAKE_CURRENT_SOURCE_DIR}/openexr/IlmBase/Iex
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${CMAKE_CURRENT_SOURCE_DIR}/openexr/IlmBase/Half
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${CMAKE_CURRENT_SOURCE_DIR}/openexr/OpenEXR/IlmImf
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${CMAKE_CURRENT_BINARY_DIR}/openexr/OpenEXR/config
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${CMAKE_CURRENT_BINARY_DIR}/openexr/IlmBase/config)
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set(PCG32_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/pcg32)
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set(TFM_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/tinyformat)
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set(HYPOTHESIS_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/hypothesis)
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set(GLFW_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/nanogui/ext/glfw/include)
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set(GLEW_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/nanogui/ext/glew/include)
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set(NANOVG_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/nanogui/ext/nanovg/src)
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set(STB_IMAGE_WRITE_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/nanogui/ext/nanovg/example)
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set(NANOGUI_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/nanogui/include)
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set(EIGEN_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/eigen)
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set(TBB_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/tbb/include)
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set(FILESYSTEM_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/filesystem)
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set(PUGIXML_INCLUDE_DIR
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${CMAKE_CURRENT_SOURCE_DIR}/pugixml/src)
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# Compile remainder of the codebase with compiler warnings turned on
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if(MSVC)
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if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
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string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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else()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
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endif()
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elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
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# Re-enable disabled warnings
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# if(CMAKE_CXX_FLAGS MATCHES "-Wno-[^ ]+")
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# string(REGEX REPLACE "-Wno-[^ ]+" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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# endif()
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-unused-parameter")
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-gnu-anonymous-struct -Wno-c99-extensions -Wno-nested-anon-types -Wno-deprecated-register")
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endif()
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endif()
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set(CompilerFlags
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CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
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CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO CMAKE_C_FLAGS
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CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_MINSIZEREL
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CMAKE_C_FLAGS_RELWITHDEBINFO COMPILE_DEFINITIONS U_CMAKE_BUILD_TYPE
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CMAKE_MACOSX_RPATH
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OPENEXR_INCLUDE_DIRS PCG32_INCLUDE_DIR TFM_INCLUDE_DIR
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HYPOTHESIS_INCLUDE_DIR GLFW_INCLUDE_DIR GLEW_INCLUDE_DIR
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NANOVG_INCLUDE_DIR NANOGUI_EXTRA_INCS NANOGUI_EXTRA_DEFS
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NANOGUI_EXTRA_LIBS NANOGUI_INCLUDE_DIR EIGEN_INCLUDE_DIR
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STB_IMAGE_WRITE_INCLUDE_DIR TBB_INCLUDE_DIR
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FILESYSTEM_INCLUDE_DIR PUGIXML_INCLUDE_DIR
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)
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foreach(CompilerFlag ${CompilerFlags})
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set(${CompilerFlag} "${${CompilerFlag}}" PARENT_SCOPE)
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endforeach()
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