Don't use timing as there is a type conflict. --- nix-build-fastcap-2.0-18Sep92.drv-1/src/mulGlobal.h.orig 2015-07-21 15:58:49.199101566 +0200 +++ nix-build-fastcap-2.0-18Sep92.drv-1/src/mulGlobal.h 2015-07-21 16:18:39.456751313 +0200 @@ -57,7 +57,7 @@ /* time variables/structs */ #ifndef _TIME_ /* if not on a Sun4 */ #ifndef NEWS /* if not on a NWS-38XX */ -#include <time.h> +//#include <time.h> #endif #endif