cart-elc

Source code for CART-ELC
git clone git://git.laack.co/cart-elc.git
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ComputeCppCompilerChecks.cmake (2171B)

      1 cmake_minimum_required(VERSION 3.4.3)
      2 
      3 if(CMAKE_COMPILER_IS_GNUCXX)
      4   if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
      5     message(FATAL_ERROR "host compiler - gcc version must be > 4.8")
      6   endif()
      7 elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
      8   if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 3.6)
      9     message(FATAL_ERROR "host compiler - clang version must be > 3.6")
     10   endif()
     11 endif()
     12 
     13 if(MSVC)
     14   set(ComputeCpp_STL_CHECK_SRC __STL_check)
     15   file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${ComputeCpp_STL_CHECK_SRC}.cpp
     16     "#include <ios>\n"
     17     "int main() { return 0; }\n")
     18   execute_process(
     19     COMMAND ${ComputeCpp_DEVICE_COMPILER_EXECUTABLE}
     20             ${COMPUTECPP_DEVICE_COMPILER_FLAGS}
     21             -isystem ${ComputeCpp_INCLUDE_DIRS}
     22             -o ${ComputeCpp_STL_CHECK_SRC}.sycl
     23             -c ${ComputeCpp_STL_CHECK_SRC}.cpp
     24     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
     25     RESULT_VARIABLE ComputeCpp_STL_CHECK_RESULT
     26     ERROR_QUIET
     27     OUTPUT_QUIET)
     28   if(NOT ${ComputeCpp_STL_CHECK_RESULT} EQUAL 0)
     29     # Try disabling compiler version checks
     30     execute_process(
     31       COMMAND ${ComputeCpp_DEVICE_COMPILER_EXECUTABLE}
     32               ${COMPUTECPP_DEVICE_COMPILER_FLAGS}
     33               -D_ALLOW_COMPILER_AND_STL_VERSION_MISMATCH
     34               -isystem ${ComputeCpp_INCLUDE_DIRS}
     35               -o ${ComputeCpp_STL_CHECK_SRC}.cpp.sycl
     36               -c ${ComputeCpp_STL_CHECK_SRC}.cpp
     37       WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
     38       RESULT_VARIABLE ComputeCpp_STL_CHECK_RESULT
     39       ERROR_QUIET
     40       OUTPUT_QUIET)
     41     if(NOT ${ComputeCpp_STL_CHECK_RESULT} EQUAL 0)
     42       message(STATUS "Device compiler cannot consume hosted STL headers. Using any parts of the STL will likely result in device compiler errors.")
     43     else()
     44     message(STATUS "Device compiler does not meet certain STL version requirements. Disabling version checks and hoping for the best.")
     45       list(APPEND COMPUTECPP_DEVICE_COMPILER_FLAGS -D_ALLOW_COMPILER_AND_STL_VERSION_MISMATCH)
     46     endif()
     47   endif()
     48   file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/${ComputeCpp_STL_CHECK_SRC}.cpp
     49               ${CMAKE_CURRENT_BINARY_DIR}/${ComputeCpp_STL_CHECK_SRC}.cpp.sycl)
     50 endif(MSVC)