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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)
from spack.package import *
class Folly(CMakePackage):
"""Folly (acronymed loosely after Facebook Open Source Library) is a
library of C++11 components designed with practicality and efficiency
in mind.
Folly contains a variety of core library components used extensively at
Facebook. In particular, it's often a dependency of Facebook's other open
source C++ efforts and place where those projects can share code.
"""
homepage = "https://github.com/facebook/folly"
url = "https://github.com/facebook/folly/releases/download/v2021.05.24.00/folly-v2021.05.24.00.tar.gz"
license("MIT")
version(
"2021.05.24.00", sha256="9d308adefe4670637f5c7d96309b3b394ac3fa129bc954f5dfbdd8b741c02aad"
)
# CMakePackage Dependency
depends_on("pkgconfig", type="build")
# folly requires gcc 5+ and a version of boost compiled with >= C++14
variant(
"cxxstd",
default="14",
values=("14", "17"),
multi=False,
description="Use the specified C++ standard when building.",
)
depends_on(
"boost+context+container+exception+filesystem+program_options"
"+regex+serialization+system+thread cxxstd=14",
when="cxxstd=14",
)
depends_on(
"boost+context+container+exception+filesystem+program_options"
"+regex+serialization+system+thread cxxstd=17",
when="cxxstd=17",
)
# required dependencies
depends_on("gflags")
depends_on("glog")
depends_on("double-conversion")
depends_on("libevent")
depends_on("fmt")
# optional dependencies
variant("libdwarf", default=False, description="Optional Dependency")
variant("elfutils", default=False, description="Optional Dependency")
variant("libunwind", default=False, description="Optional Dependency")
depends_on("libdwarf", when="+libdwarf")
depends_on("elfutils", when="+elfutils")
depends_on("libunwind", when="+libunwind")
configure_directory = "folly"
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