{ lib, stdenv, fetchFromGitHub }: stdenv.mkDerivation { pname = "re2"; version = "20201001"; src = fetchFromGitHub { owner = "google"; repo = "re2"; rev = "2020-10-01"; sha256 = "0a5f7av1pk6p3jxc2w6prl00lyrplap97m68hnhw7jllnwljk0bx"; }; preConfigure = '' substituteInPlace Makefile --replace "/usr/local" "$out" # we're using gnu sed, even on darwin substituteInPlace Makefile --replace "SED_INPLACE=sed -i '''" "SED_INPLACE=sed -i" ''; buildFlags = lib.optionals stdenv.hostPlatform.isStatic [ "static" ]; preCheck = "patchShebangs runtests"; doCheck = true; checkTarget = "test"; installTargets = lib.optionals stdenv.hostPlatform.isStatic [ "static-install" ]; doInstallCheck = true; installCheckTarget = "testinstall"; meta = { homepage = "https://github.com/google/re2"; description = "An efficient, principled regular expression library"; license = lib.licenses.bsd3; platforms = with lib.platforms; all; }; }