Remove OpenCL interface (#138)

* Del old ocl interface

* Del cffi

* Fix CMakeLists

* Remove OpenCL from README.md

* Update changelog

Co-authored-by: etotmeni <elena.totmenina@intel.com>
Co-authored-by: Sergey Pokhodenko <sergey.pokhodenko@intel.com>

Author: 3 people

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+## [Unreleased]
+### Removed
+- The Legacy OpenCL interface.
+
 ## [0.3.6] - 2020-10-06
 ### Added
 - Changelog was added for dpctl.

README.md

@@ -2,8 +2,7 @@
 
 What?
 ====
-A lightweight Python package exposing a subset of OpenCL and SYCL
-functionalities.
+A lightweight Python package exposing a subset of SYCL functionalities.
 
 Requirements
 ============

backends/CMakeLists.txt

@@ -84,13 +84,6 @@ else()
     message(FATAL_ERROR "Unsupported system.")
 endif()
 
-
-set(OpenCL_INCLUDE_DIR "${DPCPP_ROOT}/include/sycl")
-set(OpenCL_LIBRARY "${DPCPP_ROOT}/lib/libOpenCL.so")
-
-message(STATUS "OpenCL_INCLUDE_DIR: ${OpenCL_INCLUDE_DIR}")
-message(STATUS "OpenCL_LIBRARY: ${OpenCL_LIBRARY}")
-
 add_library(
   DPPLSyclInterface
   SHARED
@@ -106,13 +99,6 @@ add_library(
   source/dppl_utils.cpp
 )
 
-# Install DPPLOpenCLInterface
-add_library(
-  DPPLOpenCLInterface
-  SHARED
-  source/dppl_opencl_interface.c
-)
-
 # Install DPPLSyclInterface
 target_include_directories(
   DPPLSyclInterface
@@ -122,18 +108,6 @@ target_include_directories(
   ${NUMPY_INCLUDE_DIR}
 )
 
-target_include_directories(
-    DPPLOpenCLInterface
-    PRIVATE
-    ${CMAKE_SOURCE_DIR}/include/
-)
-
-target_include_directories(
-    DPPLOpenCLInterface
-    PUBLIC
-    ${OpenCL_INCLUDE_DIR}
-)
-
 if(WIN32)
     message(
         STATUS
@@ -150,10 +124,6 @@ if(WIN32)
         PRIVATE ${DPCPP_ROOT}/lib/sycl.lib
         PRIVATE ${DPCPP_ROOT}/lib/OpenCL.lib
     )
-    target_link_libraries(
-        DPPLOpenCLInterface
-        PRIVATE ${DPCPP_ROOT}/lib/OpenCL.lib
-    )
 endif()
 
 install(
@@ -163,14 +133,6 @@ install(
   "${CMAKE_INSTALL_PREFIX}/lib/"
 )
 
-install(
-  TARGETS
-  DPPLOpenCLInterface
-  LIBRARY
-  DESTINATION
-  "${CMAKE_INSTALL_PREFIX}/lib/"
-)
-
 # Install all headers
 file(GLOB HEADERS "${CMAKE_SOURCE_DIR}/include/*.h*")
 foreach(HEADER ${HEADERS})