Re: Undefined reference to 'select()'

[David Cuthbert <dacut@xxxxxxxxx>]

walt wrote:
> Something recently broke several ports with this same link error:
>
> foo.o(.text+0x965): In function `foo::select()':
> : undefined reference to `select(int, fd_set*, fd_set*, fd_set*, timeval*)'

Note that it's giving you the types of parameters -- this is a C++ 
feature (typesafe linkage), but select() is a C function.

A header has probably lost it's extern "C" { } guard.