# 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)
from spack.package import *
class Halide(CMakePackage, PythonExtension):
"""Halide is a programming language designed to make it easier to write
high-performance image and array processing code on modern machines."""
homepage = "https://halide-lang.org/"
url = "https://github.com/halide/Halide/archive/refs/tags/v14.0.0.tar.gz"
git = "https://github.com/halide/Halide.git"
license("MIT")
maintainers("wraith1995")
version("main", branch="main")
version("15.0.0", sha256="6680424f80c5731a85d977c06327096afe5af31da3667e91d4d36a25fabdda15")
version("14.0.0", sha256="f9fc9765217cbd10e3a3e3883a60fc8f2dbbeaac634b45c789577a8a87999a01")
variant(
"build_type",
default="Release",
description="The build type to build",
values=("Release", "Debug", "RelWithDebInfo"),
)
generator("ninja")
variant("python", default=False, description="Install python bindings")
variant("tutorials", default=False, description="Install the Halide Tutorials.")
variant("utils", default=False, description="Install the Halide Utilities.")
variant("tests", default=False, description="Build and Run Halide Tests and Apps.")
variant("opencl", default=False, description="Build Non-llvm based OpenCl-C backend.")
variant("metal", default=False, description="Build Non-llvm based Metal backend.")
variant(
"d3d12", default=False, description="Build Non-llvm based Direct3D 12 Compute backend."
)
extends("python", when="+python")
_values = (
"aarch64",
"amdgpu",
"arm",
"hexagon",
"nvptx",
"powerpc",
"riscv",
"webassembly",
"x86",
)
variant(
"targets",
default="arm,x86,nvptx,aarch64,hexagon,webassembly",
description=("What targets to build. Spack's target family is always added "),
values=_values,
multi=True,
)
variant("sharedllvm", default=False, description="Link to the shared version of LLVM.")
depends_on("cmake@3.22:", type="build")
depends_on("llvm+clang+lld build_type=Release", type=("link", "run"))
depends_on("llvm@13.0.0:15", type=("link", "run"), when="@14.0.0")
depends_on("llvm@14.0.0:16", type=("link", "run"), when="@15.0.0:")
for v in _values:
depends_on(
"llvm targets={0}".format(v), type=("link", "run"), when="targets={0}".format(v)
)
depends_on("llvm+llvm_dylib", type=("link", "run"), when="+sharedllvm")
depends_on("libjpeg", type=("build", "link", "run"))
depends_on("libpng", type=("build", "link", "run"))
depends_on("python@3.8:", type=("build", "link", "run"), when="+python")
# See https://github.com/halide/Halide/blob/main/requirements.txt
depends_on("py-pybind11@2.6.2", type="build", when="+python")
depends_on("py-setuptools@43:", type="build", when="+python")
depends_on("py-scikit-build", type="build", when="+python")
depends_on("py-wheel", type="build", when="+python")
depends_on("py-imageio", type=("build", "run"), when="+python")
depends_on("pil", type=("build", "run"), when="+python")
depends_on("py-scipy", type=("build", "run"), when="+python")
depends_on("py-numpy", type=("build", "run"), when="+python")
@property
def libs(self):
return find_libraries("libHalide", root=self.prefix, recursive=True)
def cmake_args(self):
# See https://github.com/halide/Halide/blob/main/README_cmake.md#building-halide-with-cmake
spec = self.spec
llvm_config = Executable(spec["llvm"].prefix.bin.join("llvm-config"))
llvmdir = llvm_config("--cmakedir", output=str)
args = [
self.define("LLVM_DIR", llvmdir),
self.define_from_variant("WITH_TESTS", "tests"),
self.define_from_variant("WITH_TUTORIALS", "tutorials"),
self.define_from_variant("WITH_UTILS", "utils"),
self.define_from_variant("WITH_PYTHON_BINDINGS", "python"),
self.define_from_variant("Halide_SHARED_LLVM", "sharedllvm"),
self.define("WITH_WABT", False),
self.define_from_variant("TARGET_OPENCL", "opencl"),
self.define_from_variant("TARGET_METAL", "metal"),
self.define_from_variant("TARGET_D3D12COMPUTE", "d3d12"),
]
llvm_targets = get_llvm_targets_to_build(spec)
for target in llvm_targets:
args += [self.define("TARGET_{0}".format(target[0]), target[1])]
if "+python" in spec:
args += [
self.define("Python3_EXECUTABLE", spec["python"].command.path),
self.define("PYBIND11_USE_FETCHCONTENT", False),
self.define("Halide_INSTALL_PYTHONDIR", python_platlib),
]
return args
def get_llvm_targets_to_build(spec):
targets = spec.variants["targets"].value
llvm_targets = set()
# Convert targets variant values to CMake LLVM_TARGETS_TO_BUILD array.
spack_to_cmake = {
"aarch64": "AARCH64",
"amdgpu": "AMDGPU",
"arm": "ARM",
"hexagon": "HEXAGON",
"nvptx": "NVPTX",
"powerpc": "POWERPC",
"riscv": "RISCV",
"webassembly": "WEBASSEMBLY",
"x86": "X86",
}
for t in targets:
llvm_targets.add((spack_to_cmake[t], True))
if spec.target.family in ("x86", "x86_64"):
llvm_targets.add(("X86", True))
elif spec.target.family == "arm":
llvm_targets.add(("ARM", True))
elif spec.target.family == "aarch64":
llvm_targets.add(("AARCH64", True))
elif spec.target.family in ("ppc64", "ppc64le", "ppc", "ppcle"):
llvm_targets.add(("POWERPC", True))
# for everything not represented, we add False
for v in spack_to_cmake.values():
if (v, True) not in llvm_targets:
llvm_targets.add((v, False))
return list(llvm_targets)