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# Copyright 2013-2022 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 Enzyme(CMakePackage):
"""
The Enzyme project is a tool for performing reverse-mode automatic
differentiation (AD) of statically-analyzable LLVM IR.
This allows developers to use Enzyme to automatically create gradients
of their source code without much additional work.
"""
homepage = "https://enzyme.mit.edu"
url = "https://github.com/wsmoses/Enzyme/archive/v0.0.15.tar.gz"
list_url = "https://github.com/wsmoses/Enzyme/releases"
git = "https://github.com/wsmoses/Enzyme"
maintainers = ['wsmoses', 'vchuravy', 'tgymnich']
root_cmakelists_dir = 'enzyme'
version('main', branch='main')
version('0.0.15',
sha256='1ec27db0d790c4507b2256d851b256bf7e074eec933040e9e375d6e352a3c159')
version('0.0.14',
sha256='740641eeeeadaf47942ac88cc52e62ddc0e8c25767a501bed36ec241cf258b8d')
version('0.0.13',
sha256='d4a53964ec1f763772db2c56e6734269b7656c8b2ecd41fa7a41315bcd896b5a')
variant(
'build_type',
default='Release',
description='CMake build type',
values=('Debug', 'Release', 'RelWithDebInfo', 'MinSizeRel')
)
depends_on('llvm@7:12')
depends_on('cmake@3.9:', type='build')
def cmake_args(self):
spec = self.spec
args = [
"-DLLVM_DIR=" + spec["llvm"].prefix.lib + "/cmake/llvm"
]
return args
@property
def libs(self):
ver = self.spec['llvm'].version.up_to(1)
libs = [
'LLVMEnzyme-{0}'.format(ver),
'ClangEnzyme-{0}'.format(ver)
]
return find_libraries(libs, root=self.prefix, recursive=True)
def setup_dependent_build_environment(self, env, dependent_spec):
# Get the LLVMEnzyme and ClangEnzyme lib paths
llvm, clang = self.libs
if "LLVMEnzyme-" in clang:
llvm, clang = clang, llvm
env.set('LLVMENZYME', llvm)
env.set('CLANGENZYME', clang)
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