profiling library smaller than non-profiling, while it contains more symbols. Why?

[Wojciech Puchar]

> -rw-r--r--  1 root  wheel  6582354 Jul 12 22:56 libslatec.a
> -rw-r--r--  1 root  wheel  6555122 Jul 12 23:02 libslatec_p.a
> #
>

profile library or -fpic library?