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Add CMake SYCL changes to oneDPLConfig.cmake.in #1964

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merged 1 commit into from
Dec 13, 2024
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Add CMake SYCL changes to oneDPLConfig.cmake.in #1964

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31 changes: 17 additions & 14 deletions cmake/templates/oneDPLConfig.cmake.in
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Original file line number Diff line number Diff line change
Expand Up @@ -117,26 +117,29 @@ if (EXISTS "${_onedpl_headers}")
endif()

# Check SYCL support by the compiler
check_cxx_compiler_flag("-fsycl" _fsycl_option)
set(FSYCL_OPTION "-fsycl")
check_cxx_compiler_flag(${FSYCL_OPTION} _fsycl_option)
if (_fsycl_option)
CHECK_INCLUDE_FILE_CXX("sycl/sycl.hpp" _sycl_header "-fsycl")
if (NOT _sycl_header)
CHECK_INCLUDE_FILE_CXX("CL/sycl.hpp" _sycl_header_old "-fsycl")
endif()
if (_sycl_header OR _sycl_header_old)
set(_sycl_support TRUE)
endif()
set(FSYCL_OPTION_IF_SUPPORTED ${FSYCL_OPTION})
endif()

CHECK_INCLUDE_FILE_CXX("sycl/sycl.hpp" SYCL_HEADER ${FSYCL_OPTION_IF_SUPPORTED})
if (NOT SYCL_HEADER)
CHECK_INCLUDE_FILE_CXX("CL/sycl.hpp" SYCL_HEADER_OLD ${FSYCL_OPTION_IF_SUPPORTED})
endif()
if (SYCL_HEADER OR SYCL_HEADER_OLD)
set(SYCL_SUPPORT TRUE)
endif()

if (_sycl_support)
if (SYCL_SUPPORT)
# Enable SYCL* with compilers/compiler drivers not passing -fsycl by default
if (NOT CMAKE_CXX_COMPILER MATCHES ".*(dpcpp-cl|dpcpp)(.exe)?$")
message(STATUS "Adding -fsycl compiler option")
target_compile_options(oneDPL INTERFACE -fsycl)
target_link_libraries(oneDPL INTERFACE -fsycl)
if (_fsycl_option AND NOT CMAKE_CXX_COMPILER MATCHES ".*(dpcpp-cl|dpcpp)(.exe)?$")
message(STATUS "Adding ${FSYCL_OPTION} compiler option")
target_compile_options(oneDPL INTERFACE ${FSYCL_OPTION})
target_link_libraries(oneDPL INTERFACE ${FSYCL_OPTION})
endif()
else()
message(STATUS "oneDPL: -fsycl compiler option is not supported or sycl.hpp is not available, set ONEDPL_USE_DPCPP_BACKEND=0")
message(STATUS "oneDPL: SYCL is not supported. Set ONEDPL_USE_DPCPP_BACKEND=0")
set_property(TARGET oneDPL APPEND PROPERTY INTERFACE_COMPILE_DEFINITIONS ONEDPL_USE_DPCPP_BACKEND=0)
endif()
endif()
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