[Fwd: Re: [Fwd: Re: [PATCH 1 of 3] arch: s390 and 390x glibc patch]]

[Harold Grovesteen <h dot grovsteen at tx dot rr dot com>]

Apologies, I am apparently having issues with html in my messages and 
the list doesn't like it.

-------- Original Message --------
Subject: 	Re: [Fwd: Re: [PATCH 1 of 3] arch: s390 and 390x glibc patch]
Date: 	Wed, 11 Nov 2009 17:37:44 -0600
From: 	Harold Grovesteen <h.grovsteen@tx.rr.com>
To: 	Mike Frysinger <vapier@gentoo.org>
CC: 	crossgcc@sourceware.org
References: 	<4AFB41D0.5050407@tx.rr.com> 
<200911111820.33231.vapier@gentoo.org>





Mike Frysinger wrote:

> On Wednesday 11 November 2009 17:59:28 Harold Grovesteen wrote:
>  
>
> > Mike Frysinger wrote:
> >    
> >
> > > On Wednesday 11 November 2009 12:40:28 Harold Grovesteen wrote:
> > >      
> > >
> > > > --- a/scripts/build/libc/glibc.sh	Fri Oct 30 20:08:44 2009 +0100
> > > > +++ b/scripts/build/libc/glibc.sh	Wed Nov 11 09:07:36 2009 -0600
> > > > @@ -152,7 +152,8 @@
> > > >    CT_DoExecLog ALL                                            \
> > > >    "${CT_SRC_DIR}/glibc-${cvs}${CT_LIBC_VERSION}/configure"    \
> > > >        --build="${CT_BUILD}"                                   \
> > > > -        --host="${CT_TARGET}"                                   \
> > > > +        --host="${CT_BUILD}"                                    \
> > > > +        --target="${CT_TARGET}"                                 \
> > > >        
> > > not only is there no --target option for glibc, but it doesnt make any
> > > sense for there to be one.  the C library doesnt generate code.
> > >
> > > setting the --host to the build system is also blatantly wrong.  i dont
> > > see why you need either of these changes -- i cross-compile s390/s390x
> > > just fine using the same method as all other targets.
> > >      
> > To both Mike and Yann, this goes to the issue I ran into with
> > --with-long-double-128.  Mike, I am glad you can confirm that you don't
> > need this.  Now, why did I?  Mike what version of glibc are you using?
> > Maybe that is a factor.  I used glibc 2.9.
> >    
>
> glibc-2.9 was the last time i tried s390/s390x, and it didnt whine about long 
> double issues.  when exactly did you hit troubles ?  during header install and 
> thus no C compiler was yet available ?  
Yes, this was exactly where it failed.  It found the gcc on my installed 
Linux system (x86-64) and that test failed because this is not a valid 
option for x86-64. 

> under Gentoo, a bunch of cache vars 
> are forced just for the headers step as there is no compiler to test.  those 
> include mlong double tests.
> 	libc_cv_mlong_double_128=yes
> 	libc_cv_mlong_double_128ibm=yes
>  
How do I achieve the equivalent of this with crosstool-ng?

>  
>
> > Mike, are you using crosstool-ng for s390/s390x or your own implementation?
> >    
>
> i dont believe ive used crosstool-ng before.  Gentoo has a cross-compiler 
> generation tool integrated with its build scripts called crossdev.
>
>  
>
> > I will make the other recommended changes and remove this.  If the
> > problem with long-double-128 returns I will post the results for
> > examination.
> >    
>
> that would be good
> -mike
>  


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