Add cmake file FindTriSYCL.cmake

1 files changed, 152 insertions, 0 deletions

diff --git a/cmake/FindTriSYCL.cmake b/cmake/FindTriSYCL.cmake
new file mode 100644
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+++ b/cmake/FindTriSYCL.cmake
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+#.rst:
+# FindTriSYCL
+#---------------
+#
+# TODO : insert Copyright and licence
+
+#########################
+#  FindTriSYCL.cmake
+#########################
+#
+#  Tools for finding and building with TriSYCL.
+#
+#  User must define TRISYCL_INCLUDE_DIR pointing to the triSYCL
+#  include directory.
+#
+#  Latest version of this file can be found at:
+#    https://github.com/triSYCL/triSYCL
+
+# Requite CMake version 3.5 or higher
+cmake_minimum_required (VERSION 3.5)
+
+# Check that a supported host compiler can be found
+if(CMAKE_COMPILER_IS_GNUCXX)
+  # Require at least gcc 5.4
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.4)
+    message(FATAL_ERROR
+      "host compiler - Not found! (gcc version must be at least 5.4)")
+  else()
+    message(STATUS "host compiler - gcc ${CMAKE_CXX_COMPILER_VERSION}")
+  endif()
+elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+  # Require at least clang 3.9
+  if (${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS 3.9)
+    message(FATAL_ERROR
+      "host compiler - Not found! (clang version must be at least 3.9)")
+  else()
+    message(STATUS "host compiler - clang ${CMAKE_CXX_COMPILER_VERSION}")
+  endif()
+else()
+  message(WARNING
+    "host compiler - Not found! (triSYCL supports GCC and Clang)")
+endif()
+
+#triSYCL options
+option(TRISYCL_OPENMP "triSYCL multi-threading with OpenMP" ON)
+option(TRISYCL_OPENCL "triSYCL OpenCL interoperability mode" OFF)
+option(TRISYCL_NO_ASYNC "triSYCL use synchronous kernel execution" OFF)
+option(TRISYCL_DEBUG "triSCYL use debug mode" OFF)
+option(TRISYCL_DEBUG_STRUCTORS "triSYCL trace of object lifetimes" OFF)
+option(TRISYCL_TRACE_KERNEL "triSYCL trace of kernel execution" OFF)
+
+mark_as_advanced(TRISYCL_OPENMP)
+mark_as_advanced(TRISYCL_OPENCL)
+mark_as_advanced(TRISYCL_NO_ASYNC)
+mark_as_advanced(TRISYCL_DEBUG)
+mark_as_advanced(TRISYCL_DEBUG_STRUCTORS)
+mark_as_advanced(TRISYCL_TRACE_KERNEL)
+
+#triSYCL definitions
+set(CL_SYCL_LANGUAGE_VERSION 220 CACHE VERSION
+  "Host language version to be used by trisYCL (default is: 220)")
+set(TRISYCL_CL_LANGUAGE_VERSION 220 CACHE VERSION
+  "Device language version to be used by trisYCL (default is: 220)")
+#set(TRISYCL_COMPILE_OPTIONS "-std=c++1z -Wall -Wextra")
+set(CMAKE_CXX_STANDARD 14)
+set(CXX_STANDARD_REQUIRED ON)
+
+
+# Find OpenCL package
+if(TRISYCL_OPENCL)
+  find_package(OpenCL REQUIRED)
+  if(UNIX)
+    set(BOOST_COMPUTE_INCPATH /usr/include/compute CACHE PATH
+      "Path to Boost.Compute headers (default is: /usr/include/compute)")
+  endif(UNIX)
+endif()
+
+# Find OpenMP package
+if(TRISYCL_OPENMP)
+  find_package(OpenMP REQUIRED)
+endif()
+
+# Find Boost
+find_package(Boost 1.58 REQUIRED COMPONENTS chrono log)
+
+# If debug or trace we need boost log
+if(TRISYCL_DEBUG OR TRISYCL_DEBUG_STRUCTORS OR TRISYCL_TRACE_KERNEL)
+  set(LOG_NEEDED ON)
+else()
+  set(LOG_NEEDED OFF)
+endif()
+
+find_package(Threads REQUIRED)
+
+# Find triSYCL directory
+if(NOT TRISYCL_INCLUDE_DIR)
+  message(FATAL_ERROR
+    "triSYCL include directory - Not found! (please set TRISYCL_INCLUDE_DIR")
+else()
+  message(STATUS "triSYCL include directory - Found ${TRISYCL_INCLUDE_DIR}")
+endif()
+
+#######################
+#  add_sycl_to_target
+#######################
+#
+#  Sets the proper flags and includes for the target compilation.
+#
+#  targetName : Name of the target to add a SYCL to.
+#  sourceFile : Source file to be compiled for SYCL.
+#  binaryDir : Intermediate directory to output the integration header.
+#
+function(add_sycl_to_target targetName sourceFile binaryDir)
+
+  # Add include directories to the "#include <>" paths
+  target_include_directories (${targetName} PUBLIC
+    ${TRISYCL_INCLUDE_DIR}
+    ${Boost_INCLUDE_DIRS}
+    $<$<BOOL:${TRISYCL_OPENCL}>:${OpenCL_INCLUDE_DIRS}>
+    $<$<BOOL:${TRISYCL_OPENCL}>:${BOOST_COMPUTE_INCPATH}>)
+
+
+  # Link dependencies
+  target_link_libraries(${targetName} PUBLIC
+    $<$<BOOL:${TRISYCL_OPENCL}>:${OpenCL_LIBRARIES}>
+    Threads::Threads
+    $<$<BOOL:${LOG_NEEDED}>:Boost::log>
+    Boost::chrono)
+
+
+  # Compile definitions
+  target_compile_definitions(${targetName} PUBLIC
+    $<$<BOOL:${TRISYCL_NO_ASYNC}>:TRISYCL_NO_ASYNC>
+    $<$<BOOL:${TRISYCL_OPENCL}>:TRISYCL_OPENCL>
+    $<$<BOOL:${TRISYCL_DEBUG}>:TRISYCL_DEBUG>
+    $<$<BOOL:${TRISYCL_DEBUG_STRUCTORS}>:TRISYCL_DEBUG_STRUCTORS>
+    $<$<BOOL:${TRISYCL_TRACE_KERNEL}>:TRISYCL_TRACE_KERNEL>
+    $<$<BOOL:${LOG_NEEDED}>:BOOST_LOG_DYN_LINK>)
+
+  # C++ and OpenMP requirements
+  target_compile_options(${targetName} PUBLIC
+    ${TRISYCL_COMPILE_OPTIONS}
+    $<$<BOOL:${TRISYCL_OPENMP}>:${OpenMP_CXX_FLAGS}>)
+
+  if(${TRISYCL_OPENMP} AND (NOT WIN32))
+    # Does not support generator expressions
+    set_target_properties(${targetName}
+      PROPERTIES
+      LINK_FLAGS ${OpenMP_CXX_FLAGS})
+  endif(${TRISYCL_OPENMP} AND (NOT WIN32))
+
+endfunction(add_sycl_to_target)