{ lib, stdenv , fetchFromGitHub , cmake , boost , libevent , double-conversion , glog , gflags , libiberty , lz4 , xz , zlib , jemalloc , openssl , pkg-config , libunwind , fmt }: stdenv.mkDerivation (rec { pname = "folly"; version = "2021.01.25.00"; src = fetchFromGitHub { owner = "facebook"; repo = "folly"; rev = "v${version}"; sha256 = "sha256-n2cpXdjPZYNjvSHBZFFn3JFwqYCFWc8qSKwet80LtJE="; }; nativeBuildInputs = [ cmake pkg-config ]; # See CMake/folly-deps.cmake in the Folly source tree. buildInputs = [ boost double-conversion glog gflags libevent libiberty openssl lz4 xz zlib jemalloc libunwind fmt ]; cmakeFlags = [ "-DBUILD_SHARED_LIBS=ON" ]; meta = with lib; { description = "An open-source C++ library developed and used at Facebook"; homepage = "https://github.com/facebook/folly"; license = licenses.asl20; # 32bit is not supported: https://github.com/facebook/folly/issues/103 platforms = [ "x86_64-linux" "x86_64-darwin" ]; maintainers = with maintainers; [ abbradar pierreis ]; }; } // lib.optionalAttrs stdenv.isDarwin { LDFLAGS = "-ljemalloc"; })