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# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os
import spack.compilers.oneapi
class Dpcpp(spack.compilers.oneapi.Oneapi):
"""This is the same as the oneAPI compiler but uses dpcpp instead of
icpx (for DPC++ source files). It explicitly refers to dpcpp, so that
CMake test files which check the compiler name (e.g. CMAKE_CXX_COMPILER)
detect it as dpcpp.
Ideally we could switch out icpx for dpcpp where needed in the oneAPI
compiler definition, but two things are needed for that: (a) a way to
tell the compiler that it should be using dpcpp and (b) a way to
customize the link_paths
See also: https://www.intel.com/content/www/us/en/develop/documentation/oneapi-dpcpp-cpp-compiler-dev-guide-and-reference/top/compiler-setup/using-the-command-line/invoking-the-compiler.html
"""
# Subclasses use possible names of C++ compiler
cxx_names = ["dpcpp"]
# Named wrapper links within build_env_path
link_paths = {
"cc": os.path.join("oneapi", "icx"),
"cxx": os.path.join("oneapi", "dpcpp"),
"f77": os.path.join("oneapi", "ifx"),
"fc": os.path.join("oneapi", "ifx"),
}
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