How to generate 64bit binaries with gcc on HP.11.00?

[law@redhat.com]

In message <D316865255DFD511B5DE00B0D0F98BD208D31D@sto04.capgemini.se>, "Alpman
, Johan" writes:
 > Hi,
 > I assume this problem is due to the fact that we build 32 bit binaries,
 > and try to link in a 64-bit library.
Yes.

 > How do I do to generate a 64 bit binary with gcc.
You need to build a compiler, assembler, linker, gdb, etc for 
hppa64-hp-hpux11.00.

ie

configure hppa64-hp-hpux11.00

 > When I tried the  -m64 option, I received cc1: Invalid option `64' 
Due to various changes in the ABI it is not currently possible to build
one compiler which supports both the 32bit and 64bit ABIs for HPUX.

jeff