tests/icu.nixλpkgs, pkgsFilcpkgsFilc.stdenv.mkDerivation3name="filc-icu-consumer-check"4dontUnpack=true5nativeBuildInputs=pkgs.pkg-config6buildInputs=pkgsFilc.icu767buildPhase=$CXX ${./icu.cpp} $(pkg-config --cflags --libs icu-uc icu-i18n) -o check./check11installPhase=touch "$out"