{ mkDerivation }: # How to obtain `sha256`: # nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz mkDerivation { version = "23.1"; sha256 = "1k74g6m2lidhp04vrcwrg0jszj3zwxyrm4fsma09sfn9rfsra36g"; prePatch = '' substituteInPlace make/configure.in --replace '`sw_vers -productVersion`' "''${MACOSX_DEPLOYMENT_TARGET:-10.12}" substituteInPlace erts/configure.in --replace '-Wl,-no_weak_imports' "" ''; }