gmp 4.3.2 on Solaris 8, gcc 3.2.2 (old server)

[Alan Pae]

 > Your gcc installation does not correctly locate its own support
 > libraries. There is no reasonable workaround GMP can implement for
 > this, I am afraid.

LDFLAGS="-L/usr/sfw/lib/amd64"

Or

LDFLAGS="-m64"

Should solve your issue.  Then:

./configure -C --enable-cxx ABI=64

alan