CMake/Modules/FindOpenCL.cmake
Matthäus G. Chajdas 041485bc16 Add FindOpenCL module
2014-02-26 08:53:00 -05:00

135 lines
3.7 KiB
CMake

#.rst:
# FindOpenCL
# ----------
#
# Try to find OpenCL
#
# Once done this will define::
#
# OpenCL_FOUND - True if OpenCL was found
# OpenCL_INCLUDE_DIRS - include directories for OpenCL
# OpenCL_LIBRARIES - link against this library to use OpenCL
# OpenCL_VERSION_STRING - Highest supported OpenCL version (eg. 1.2)
# OpenCL_VERSION_MAJOR - The major version of the OpenCL implementation
# OpenCL_VERSION_MINOR - The minor version of the OpenCL implementation
#
# The module will also define two cache variables::
#
# OpenCL_INCLUDE_DIR - the OpenCL include directory
# OpenCL_LIBRARY - the path to the OpenCL library
#
#=============================================================================
# Copyright 2014 Matthaeus G. Chajdas
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
function(_FIND_OPENCL_VERSION)
include(CheckSymbolExists)
include(CMakePushCheckState)
CMAKE_PUSH_CHECK_STATE()
foreach(VERSION "2_0" "1_2" "1_1" "1_0")
set(CMAKE_REQUIRED_INCLUDES "${OpenCL_INCLUDE_DIR}")
if(APPLE)
CHECK_SYMBOL_EXISTS(
CL_VERSION_${VERSION}
"${OpenCL_INCLUDE_DIR}/OpenCL/cl.h"
OPENCL_VERSION_${VERSION})
else()
CHECK_SYMBOL_EXISTS(
CL_VERSION_${VERSION}
"${OpenCL_INCLUDE_DIR}/CL/cl.h"
OPENCL_VERSION_${VERSION})
endif()
if(OPENCL_VERSION_${VERSION})
string(REPLACE "_" "." VERSION "${VERSION}")
set(OpenCL_VERSION_STRING ${VERSION} PARENT_SCOPE)
string(REGEX MATCHALL "[0-9]+" version_components "${VERSION}")
list(GET version_components 0 major_version)
list(GET version_components 1 minor_version)
set(OpenCL_VERSION_MAJOR ${major_version} PARENT_SCOPE)
set(OpenCL_VERSION_MINOR ${minor_version} PARENT_SCOPE)
break()
endif()
endforeach()
CMAKE_POP_CHECK_STATE()
endfunction()
find_path(OpenCL_INCLUDE_DIR
NAMES
CL/cl.h OpenCL/cl.h
PATHS ENV
"PROGRAMFILES(X86)"
AMDAPPSDKROOT
INTELOCLSDKROOT
NVSDKCOMPUTE_ROOT
CUDA_PATH
ATISTREAMSDKROOT
PATH_SUFFIXES
OpenCL/common/inc
"AMD APP/include")
_FIND_OPENCL_VERSION()
if(WIN32)
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
find_library(OpenCL_LIBRARY
NAMES OpenCL
PATHS ENV
"PROGRAMFILES(X86)"
AMDAPPSDKROOT
INTELOCLSDKROOT
CUDA_PATH
NVSDKCOMPUTE_ROOT
ATISTREAMSDKROOT
PATH_SUFFIXES
"AMD APP/lib/x86"
lib/x86
lib/Win32
OpenCL/common/lib/Win32)
elseif(CMAKE_SIZEOF_VOID_P EQUAL 8)
find_library(OpenCL_LIBRARY
NAMES OpenCL
PATHS ENV
"PROGRAMFILES(X86)"
AMDAPPSDKROOT
INTELOCLSDKROOT
CUDA_PATH
NVSDKCOMPUTE_ROOT
ATISTREAMSDKROOT
PATH_SUFFIXES
"AMD APP/lib/x86_64"
lib/x86_64
lib/x64
OpenCL/common/lib/x64)
endif()
else()
find_library(OpenCL_LIBRARY
NAMES OpenCL)
endif()
set(OpenCL_LIBRARIES ${OpenCL_LIBRARY})
set(OpenCL_INCLUDE_DIRS ${OpenCL_INCLUDE_DIR})
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(
OpenCL
FOUND_VAR OpenCL_FOUND
REQUIRED_VARS OpenCL_LIBRARY OpenCL_INCLUDE_DIR
VERSION_VAR OpenCL_VERSION_STRING)
mark_as_advanced(
OpenCL_INCLUDE_DIR
OpenCL_LIBRARY)