math build regression (was Re: Split parts of bits/socket.h to bits/sockettypes.h)

[David Miller]

From: Roland McGrath <roland@hack.frob.com>
Date: Fri,  9 Mar 2012 09:56:11 -0800 (PST)

> That looks fine to me, pending sparc testing.

I started trying to test this but ran into a build regression
introduced by Richard's math bits:

mkdir /home/davem/src/GIT/GLIBC/build-sparcv9-multiarch/iconv
In file included from ../libio/libioP.h:38:0,
                 from gconv_conf.c:92:
../sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h:40:27: fatal error: math_private.h: No such file or directory