diff options
Diffstat (limited to 'cmake/ComputeCppCompilerChecks.cmake')
-rw-r--r-- | cmake/ComputeCppCompilerChecks.cmake | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/cmake/ComputeCppCompilerChecks.cmake b/cmake/ComputeCppCompilerChecks.cmake new file mode 100644 index 000000000..1807485e4 --- /dev/null +++ b/cmake/ComputeCppCompilerChecks.cmake @@ -0,0 +1,50 @@ +cmake_minimum_required(VERSION 3.4.3) + +if(CMAKE_COMPILER_IS_GNUCXX) + if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8) + message(FATAL_ERROR "host compiler - gcc version must be > 4.8") + endif() +elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") + if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 3.6) + message(FATAL_ERROR "host compiler - clang version must be > 3.6") + endif() +endif() + +if(MSVC) + set(ComputeCpp_STL_CHECK_SRC __STL_check) + file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${ComputeCpp_STL_CHECK_SRC}.cpp + "#include <ios>\n" + "int main() { return 0; }\n") + execute_process( + COMMAND ${ComputeCpp_DEVICE_COMPILER_EXECUTABLE} + ${COMPUTECPP_DEVICE_COMPILER_FLAGS} + -isystem ${ComputeCpp_INCLUDE_DIRS} + -o ${ComputeCpp_STL_CHECK_SRC}.sycl + -c ${ComputeCpp_STL_CHECK_SRC}.cpp + WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} + RESULT_VARIABLE ComputeCpp_STL_CHECK_RESULT + ERROR_QUIET + OUTPUT_QUIET) + if(NOT ${ComputeCpp_STL_CHECK_RESULT} EQUAL 0) + # Try disabling compiler version checks + execute_process( + COMMAND ${ComputeCpp_DEVICE_COMPILER_EXECUTABLE} + ${COMPUTECPP_DEVICE_COMPILER_FLAGS} + -D_ALLOW_COMPILER_AND_STL_VERSION_MISMATCH + -isystem ${ComputeCpp_INCLUDE_DIRS} + -o ${ComputeCpp_STL_CHECK_SRC}.cpp.sycl + -c ${ComputeCpp_STL_CHECK_SRC}.cpp + WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} + RESULT_VARIABLE ComputeCpp_STL_CHECK_RESULT + ERROR_QUIET + OUTPUT_QUIET) + if(NOT ${ComputeCpp_STL_CHECK_RESULT} EQUAL 0) + message(STATUS "Device compiler cannot consume hosted STL headers. Using any parts of the STL will likely result in device compiler errors.") + else() + message(STATUS "Device compiler does not meet certain STL version requirements. Disabling version checks and hoping for the best.") + list(APPEND COMPUTECPP_DEVICE_COMPILER_FLAGS -D_ALLOW_COMPILER_AND_STL_VERSION_MISMATCH) + endif() + endif() + file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/${ComputeCpp_STL_CHECK_SRC}.cpp + ${CMAKE_CURRENT_BINARY_DIR}/${ComputeCpp_STL_CHECK_SRC}.cpp.sycl) +endif(MSVC) |