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# Copyright 2013-2024 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
from os.path import dirname
from llnl.util import tty
from spack.compiler import Compiler
class Oneapi(Compiler):
# Subclasses use possible names of C compiler
cc_names = ["icx"]
# Subclasses use possible names of C++ compiler
cxx_names = ["icpx"]
# Subclasses use possible names of Fortran 77 compiler
f77_names = ["ifx"]
# Subclasses use possible names of Fortran 90 compiler
fc_names = ["ifx"]
# Named wrapper links within build_env_path
link_paths = {
"cc": os.path.join("oneapi", "icx"),
"cxx": os.path.join("oneapi", "icpx"),
"f77": os.path.join("oneapi", "ifx"),
"fc": os.path.join("oneapi", "ifx"),
}
PrgEnv = "PrgEnv-oneapi"
PrgEnv_compiler = "oneapi"
version_argument = "--version"
version_regex = r"(?:(?:oneAPI DPC\+\+(?:\/C\+\+)? Compiler)|(?:\(IFORT\))|(?:\(IFX\))) (\S+)"
@property
def verbose_flag(self):
return "-v"
required_libs = [
"libirc",
"libifcore",
"libifcoremt",
"libirng",
"libsvml",
"libintlc",
"libimf",
"libsycl",
"libOpenCL",
]
@property
def debug_flags(self):
return ["-debug", "-g", "-g0", "-g1", "-g2", "-g3"]
@property
def opt_flags(self):
return ["-O", "-O0", "-O1", "-O2", "-O3", "-Ofast", "-Os"]
@property
def openmp_flag(self):
return "-fiopenmp"
# There may be some additional options here for offload, e.g. :
# -fopenmp-simd Emit OpenMP code only for SIMD-based constructs.
# -fopenmp-targets=<value>
# -fopenmp-version=<value>
# -fopenmp Parse OpenMP pragmas and generate parallel code.
# -qno-openmp Disable OpenMP support
# -qopenmp-link=<value> Choose whether to link with the static or
# dynamic OpenMP libraries. Default is dynamic.
# -qopenmp-simd Emit OpenMP code only for SIMD-based constructs.
# -qopenmp-stubs enables the user to compile OpenMP programs in
# sequential mode. The OpenMP directives are
# ignored and a stub OpenMP library is linked.
# -qopenmp-threadprivate=<value>
# -qopenmp Parse OpenMP pragmas and generate parallel code.
# -static-openmp Use the static host OpenMP runtime while
# linking.
# -Xopenmp-target=<triple> <arg>
# -Xopenmp-target <arg> Pass <arg> to the target offloading toolchain.
# Source: icx --help output
@property
def cxx11_flag(self):
return "-std=c++11"
@property
def cxx14_flag(self):
return "-std=c++14"
@property
def cxx17_flag(self):
return "-std=c++17"
@property
def cxx20_flag(self):
return "-std=c++20"
@property
def c99_flag(self):
return "-std=c99"
@property
def c11_flag(self):
return "-std=c1x"
@property
def cc_pic_flag(self):
return "-fPIC"
@property
def cxx_pic_flag(self):
return "-fPIC"
@property
def f77_pic_flag(self):
return "-fPIC"
@property
def fc_pic_flag(self):
return "-fPIC"
@property
def stdcxx_libs(self):
return ("-cxxlib",)
def setup_custom_environment(self, pkg, env):
# workaround bug in icpx driver where it requires sycl-post-link is on the PATH
# It is located in the same directory as the driver. Error message:
# clang++: error: unable to execute command:
# Executable "sycl-post-link" doesn't exist!
if self.cxx:
env.prepend_path("PATH", dirname(self.cxx))
# 2024 release bumped the libsycl version because of an ABI
# change, 2024 compilers are required. You will see this
# error:
#
# /usr/bin/ld: warning: libsycl.so.7, needed by ...., not found
if pkg.spec.satisfies("%oneapi@:2023"):
for c in ["dnn"]:
if pkg.spec.satisfies(f"^intel-oneapi-{c}@2024:"):
tty.warn(f"intel-oneapi-{c}@2024 SYCL APIs requires %oneapi@2024:")
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