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97 lines
3.0 KiB
CMake
97 lines
3.0 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# determine the compiler to use for ISPC programs
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include(${CMAKE_ROOT}/Modules/CMakeDetermineCompiler.cmake)
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if( NOT (("${CMAKE_GENERATOR}" MATCHES "Make") OR ("${CMAKE_GENERATOR}" MATCHES "Ninja")) )
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message(FATAL_ERROR "ISPC language not currently supported by \"${CMAKE_GENERATOR}\" generator")
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endif()
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# Load system-specific compiler preferences for this language.
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include(Platform/${CMAKE_SYSTEM_NAME}-Determine-ISPC OPTIONAL)
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include(Platform/${CMAKE_SYSTEM_NAME}-ISPC OPTIONAL)
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if(NOT CMAKE_ISPC_COMPILER_NAMES)
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set(CMAKE_ISPC_COMPILER_NAMES ispc)
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endif()
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if(NOT CMAKE_ISPC_COMPILER)
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set(CMAKE_ISPC_COMPILER_INIT NOTFOUND)
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# prefer the environment variable CC
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if(NOT $ENV{ISPC} STREQUAL "")
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get_filename_component(CMAKE_ISPC_COMPILER_INIT $ENV{ISPC} PROGRAM PROGRAM_ARGS CMAKE_ISPC_FLAGS_ENV_INIT)
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if(CMAKE_ISPC_FLAGS_ENV_INIT)
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set(CMAKE_ISPC_COMPILER_ARG1 "${CMAKE_ISPC_FLAGS_ENV_INIT}" CACHE STRING "First argument to ISPC compiler")
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endif()
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if(NOT EXISTS ${CMAKE_ISPC_COMPILER_INIT})
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message(FATAL_ERROR "Could not find compiler set in environment variable ISPC:\n$ENV{ISPC}.")
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endif()
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endif()
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# next try prefer the compiler specified by the generator
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if(CMAKE_GENERATOR_ISPC)
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if(NOT CMAKE_ISPC_COMPILER_INIT)
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set(CMAKE_ISPC_COMPILER_INIT ${CMAKE_GENERATOR_ISPC})
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endif()
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endif()
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# finally list compilers to try
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if(NOT CMAKE_ISPC_COMPILER_INIT)
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set(CMAKE_ISPC_COMPILER_LIST ${_CMAKE_TOOLCHAIN_PREFIX}ispc ispc)
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endif()
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# Find the compiler.
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_cmake_find_compiler(ISPC)
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else()
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_cmake_find_compiler_path(ISPC)
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endif()
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mark_as_advanced(CMAKE_ISPC_COMPILER)
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if(NOT CMAKE_ISPC_COMPILER_ID_RUN)
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set(CMAKE_ISPC_COMPILER_ID_RUN 1)
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# Try to identify the compiler.
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set(CMAKE_ISPC_COMPILER_ID)
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set(CMAKE_ISPC_PLATFORM_ID)
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set(CMAKE_ISPC_COMPILER_ID_TEST_FLAGS_FIRST
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# setup logic to make sure ISPC outputs a file
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"-o cmake_ispc_output"
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)
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include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake)
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CMAKE_DETERMINE_COMPILER_ID(ISPC ISPCFLAGS CMakeISPCCompilerId.ispc)
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_cmake_find_compiler_sysroot(ISPC)
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endif()
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if (NOT _CMAKE_TOOLCHAIN_LOCATION)
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get_filename_component(_CMAKE_TOOLCHAIN_LOCATION "${CMAKE_ISPC_COMPILER}" PATH)
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endif ()
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set(_CMAKE_PROCESSING_LANGUAGE "ISPC")
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include(CMakeFindBinUtils)
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include(Compiler/${CMAKE_ISPC_COMPILER_ID}-FindBinUtils OPTIONAL)
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unset(_CMAKE_PROCESSING_LANGUAGE)
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if(CMAKE_ISPC_COMPILER_ID_VENDOR_MATCH)
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set(_SET_CMAKE_ISPC_COMPILER_ID_VENDOR_MATCH
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"set(CMAKE_ISPC_COMPILER_ID_VENDOR_MATCH [==[${CMAKE_ISPC_COMPILER_ID_VENDOR_MATCH}]==])")
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else()
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set(_SET_CMAKE_ISPC_COMPILER_ID_VENDOR_MATCH "")
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endif()
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# configure variables set in this file for fast reload later on
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configure_file(${CMAKE_ROOT}/Modules/CMakeISPCCompiler.cmake.in
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${CMAKE_PLATFORM_INFO_DIR}/CMakeISPCCompiler.cmake @ONLY)
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set(CMAKE_ISPC_COMPILER_ENV_VAR "ISPC")
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