--- socket++/config.h.in.orig 2019-07-22 07:36:02.000000000 -0700 +++ socket++/config.h.in 2019-07-24 05:20:34.000000000 -0700 @@ -132,4 +132,4 @@ /* Define as `fork' if `vfork' does not work. */ #cmakedefine vfork -#include +#include