AddSYCLExecutable.cmake

# Include SYCL implementation CMake module
if (NOT SYCL_IMPLEMENTATION)
 set (SYCL_IMPLEMENTATION ComputeCpp)
endif()

set (KNOWN_SYCL_IMPLEMENTATIONS "Intel_SYCL;DPCPP;ComputeCpp;hipSYCL")
if (NOT ${SYCL_IMPLEMENTATION} IN_LIST KNOWN_SYCL_IMPLEMENTATIONS)
 message(FATAL_ERROR
 "The SYCL CTS requires specifying a SYCL implementation with "
 "-DSYCL_IMPLEMENTATION=[Intel_SYCL,DPCPP;ComputeCpp,hipSYCL]")
endif()

find_package(${SYCL_IMPLEMENTATION} REQUIRED)

if(NOT TARGET SYCL::SYCL)
 message(FATAL_ERROR
 "The SYCL CTS requires a CMake Target with the name `SYCL::SYCL` to be"
 "present. It should provide all the include directories, compiler options"
 "and definitions to compile code that is dependent on SYCL, but does not"
 "contain device code."
 )
endif()

if(NOT COMMAND add_sycl_executable_implementation)
 message(FATAL_ERROR
 "The add_sycl_executable_implementation() function implementation could not be found! "
 "Please include the CMake module defining the add_sycl_executable_implementation() "
 "function for the SYCL implementation in cmake/AddSYCLExecutable.cmake "
 "or add it to your CMake Find/Config module.\n"
 " add_sycl_executable_implementation(\n"
 " NAME <name>\n"
 " OBJECT_LIBRARY <object_library_name>\n"
 " TESTS <sources>...\n"
 " )\n"
 " Builds a SYCL program, compiling multiple SYCL test case source files into a test executable, invoking a single-source/device compiler.\n"
 " The options are:\n"
 " NAME Name of the test executable\n"
 " OBJECT_LIBRARY Name of the object library of all the compiled test cases\n"
 " TESTS List of SYCL test case source files to be built into the test executable\n"
 )
endif()

# add_sycl_executable function
# Builds a SYCL program, compiling multiple SYCL test case source files into a test executable, invoking a single-source/device compiler
# Parameters are:
# - NAME Name of the test executable
# - OBJECT_LIBRARY Name of the object library of all the compiled test cases
# - TESTS List of SYCL test case source files to be built into the test executable
function(add_sycl_executable)
 cmake_parse_arguments(args
 ""
 "NAME;OBJECT_LIBRARY"
 "TESTS"
 ${ARGN})

 add_sycl_executable_implementation(
 NAME "${args_NAME}"
 OBJECT_LIBRARY "${args_OBJECT_LIBRARY}"
 TESTS "${args_TESTS}")
endfunction()

# Adds preprocessor definitions to the device compiler,
# to mimic the add_definitions CMake function, but only for the device compiler
# If the implementation uses a single compiler for host and device code,
# then this function is expected to be a no-op
# because add_definitions should take care of everything
function(add_device_compiler_definitions)
 add_device_compiler_definitions_implementation(${ARGN})
endfunction()

# Adds preprocessor definitions to both host and device compilers
function(add_host_and_device_compiler_definitions)
 add_definitions(${ARGN})
 add_device_compiler_definitions(${ARGN})
endfunction()