Re: 64 bit ABI issue on Solaris

[Jonathan Perkin <sketch%netbsd.org@localhost>]

* On 2011-02-17 at 15:56 GMT, Stefan Schaeckeler wrote:

> Hello Filip,
>  
> > On 17.2.2011, at 7:26, Stefan Schaeckeler wrote:
> > 
> > > Anyone having luck with compiling lang/gcc44 on Solaris with ABI=64?
> > > 
> > > It looks like that the first built gcc is 64-bit. Then, gcc compiles
> > > itself. This bootstrapped compiler consists of 32-bit object files.
> > > To make matters worse, the bootstrapped compiler does not link into
> > > a binary, because required external libs such as libgmp are 64-bit.
> > 
> > Hm, is this different on Sparc compared to i386? On Solaris/i386, you
> > never build a 64bit version of GCC. You build a 32bit one that can
> > build for both 32bit and 64bit targets. Sorry, not much experience
> > with Sparcs.
> 
> When you set ABI=64 in mk.conf, then you have to build a 64 bit
> lang/gcc*. That's because lang/gcc* depends on external libraries such
> as libgmp. Because ABI is set to 64, these external libraries exist only
> in 64 bit. Hence, it is impossible to build a 32 bit lang/gcc* because
> you can't link 32 and 64 bit object files.
> 
> Any gcc, may it be 32 to 64 bit, can build binaries of any ABI with the
> -mXX flag (XX = 32 or 64),

ABI=64 used to work pretty well with Sun Studio, and is obviously a lot
easier to set up.  Perhaps worth a try?

-- 
Jonathan Perkin                                     The NetBSD Project
http://www.perkin.org.uk/                       http://www.netbsd.org/