Re: [PATCH 0 of 4] [kvm-userspace][test] consolidate test libs to libcflat

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On Sat, 2008-07-05 at 12:28 +0300, Avi Kivity wrote:
> Jerone Young wrote:
> > On Sun, 2008-06-29 at 16:24 +0300, Avi Kivity wrote:
> >   
> >> Avi Kivity wrote:
> >>     
> >>> Jerone Young wrote:
> >>>       
> >>>> This set of patches are to consolidate test libraries into a single 
> >>>> library archive. This lib archive is libcflat. This will allow common 
> >>>> code to be shared among archs.
> >>>>
> >>>>   
> >>>>         
> >>> Applied all, thanks.  I squashed together 1-3 as Hollis suggested, and 
> >>> with git's rename detection, one can see that you merged exit() puts() 
> >>> etc into a single file.  That usually doesn't work will with libraries 
> >>> (if you define your own puts() but not your own exit(), you're in 
> >>> trouble), but we can fix this if/when it starts to hurt.
> >>>
> >>>
> >>>       
> >> This fails compilation with:
> >>
> >> gcc  -m64 -D__x86_64__ -I /tmp/BUILDER/kvm/rpmtop/BUILD/kernel/include 
> >> -O1 -MMD -MF test/x86/.access.d -g -fomit-frame-pointer -Wa
> >> ll  -fno-stack-protector   -I ../libkvm -std=gnu99 -ffreestanding -I 
> >> test/lib -I test/lib/x86   -c -o test/x86/access.o test/x86/a
> >> ccess.c
> >> test/x86/access.c:153: error: conflicting types for 'memset'
> >> /usr/include/string.h:59: error: previous declaration of 'memset' was here
> >> test/x86/access.c: In function 'ac_test_do_access':
> >> test/x86/access.c:511: warning: implicit declaration of function 'printf'
> >> test/x86/access.c: In function 'main':
> >> test/x86/access.c:578: warning: passing argument 1 of 'smp_init' from 
> >> incompatible pointer type
> >> make[1]: *** [test/x86/access.o] Error 1
> >> make[1]: Leaving directory `/tmp/BUILDER/kvm/rpmtop/BUILD/user'
> >> error: Bad exit status from /var/tmp/rpm-tmp.45450 (%build)
> >>
> >> So I'm unapplying these patches.
> >>
> >>     
> >
> > Ah. Sorry about that. I was testing on x86 and not x86-64. So I didn't
> > notice that config-x86_64.mak had other test cases outside of what was
> > in config-x86-common. 
> >
> > The problem here is access.c needs to include the new libcflat.h , and
> > not printf.h . In one of my patches.
> >
> > Since I don't currently have an x86-64 setup to try, can't turn out a
> > patch. I can give you an idea of what is up so here are the changes
> > needed for test/x86/access.c:
> >
> > jerone@thinkpadL:~/work/kvm-userspace/user/test/x86$ vi access.c.FIXED 
> > jerone@thinkpadL:~/work/kvm-userspace/user/test/x86$ diff -aurp access.c access.c.FIXED 
> > --- access.c	2008-06-09 08:57:25.000000000 -0500
> > +++ access.c.FIXED	2008-07-01 02:32:41.000000000 -0500
> > @@ -1,7 +1,6 @@
> >  
> > -#include "smp.h"
> > -#include "printf.h"
> > -#include "string.h"
> > +#include <x86/smp.h>
> > +#include <libcflat.h>
> >  
> >   
> 
> Er, <> includes are for system headers.  Please stick to "" includes.  
> The previous patches also need to be fixed.

Actually the include paths to not use system includes. 

Just setup an x86-64 compilation enviroment. Looks like access.c was the
only test that had the problem. Also the pseudo patch I sent ended up
being the solution. I will send a formal patch set shortly so you can
include libcflat.

> 
> 

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