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Check for OpenACC support by checking the various compiler flags

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Tom Deakin 2016-05-11 13:20:15 +01:00
parent 1a9225ca95
commit 8d45e61f6c
1 changed files with 12 additions and 3 deletions
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15
CMakeLists.txt
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@ -37,11 +37,20 @@ else (${OpenCL_FOUND})
message("Skipping OpenCL...") message("Skipping OpenCL...")
endif (${OpenCL_FOUND}) endif (${OpenCL_FOUND})
# TODO: Find OpenACC implementations somehow # Check compiler supports an OpenACC flag
if (true) include(CheckCXXCompilerFlag)
message("${CMAKE_CXX_COMPILER_ID}")
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
CHECK_CXX_COMPILER_FLAG(-fopenacc OPENACC)
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "PGI")
CHECK_CXX_COMPILER_FLAG(-acc OPENACC)
elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Cray")
CHECK_CXX_COMPILER_FLAG(-hacc=openacc OPENACC)
endif()
if (OPENACC)
add_executable(gpu-stream-acc main.cpp ACCStream.cpp) add_executable(gpu-stream-acc main.cpp ACCStream.cpp)
target_compile_definitions(gpu-stream-acc PUBLIC ACC) target_compile_definitions(gpu-stream-acc PUBLIC ACC)
target_compile_options(gpu-stream-acc PUBLIC "-hstd=c++11") #target_compile_options(gpu-stream-acc PUBLIC "-hstd=c++11")
else () else ()
message("Skipping OpenACC...") message("Skipping OpenACC...")
endif () endif ()