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The MSVC linker needs to know what MSVC runtime a shared library needs. ISPC objects don't have a '/DIRECTIVE' entry for the MSVC runtime as they have no dependency on it. Therefore we need to add a C or C++ source to each shared library so the MSVC linker knows what runtime to embed
23 lines
740 B
CMake
23 lines
740 B
CMake
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cmake_minimum_required(VERSION 3.18)
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project(ISPCDynamicLibrary CXX ISPC)
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if(CMAKE_SIZEOF_VOID_P EQUAL 4)
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set(CMAKE_ISPC_FLAGS "--arch=x86")
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endif()
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add_library(ispc_objects1 STATIC extra.ispc extra.cxx)
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add_library(ispc_objects2 SHARED simple.ispc)
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target_sources(ispc_objects2 PRIVATE simple.cxx)
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set_target_properties(ispc_objects1 PROPERTIES POSITION_INDEPENDENT_CODE ON)
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set_target_properties(ispc_objects1 PROPERTIES ISPC_INSTRUCTION_SETS "sse2-i32x4;avx1-i32x16;avx2-i32x4")
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set_target_properties(ispc_objects2 PROPERTIES ISPC_INSTRUCTION_SETS "sse2-i32x4")
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target_link_libraries(ispc_objects2 PUBLIC ispc_objects1)
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add_executable(ISPCDynamicLibrary main.cxx)
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target_link_libraries(ISPCDynamicLibrary PUBLIC ispc_objects2)
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