Re: [Xen-devel] [Qemu-devel] [Bug 1257099] [NEW] QEMU fails to build on CentOS 5.10 with relocation R_X86_64_PC32 error

[Don Slutz <dslutz@xxxxxxxxxxx>]

On 12/05/13 22:20, Don Slutz wrote:
> On 12/05/13 16:24, Richard Henderson wrote:
> > On 12/06/2013 04:18 AM, Paolo Bonzini wrote:
> > > $ gcc -shared -o f.so f.c -fPIE -fPIC
> > > /usr/bin/ld: /tmp/ccQc9els.o: relocation R_X86_64_PC32 against `f' 
> > > can not be used when making a shared object; recompile with -fPIC
> > > /usr/bin/ld: final link failed: Bad value
> > > collect2: ld returned 1 exit status
> > >
> > >
> > > The bug is simply that "-fPIE -fPIC" counts as -fPIE rather than -fPIC:
> > >
> > > $ gcc -S -o - f.c -fPIE |grep call
> > >     call    f                      # PC32 relocation
> > > $ gcc -S -o - f.c -fPIC |grep call
> > >     call    f@PLT                  # PLT32 relocation
> > The easy workaround is to drop -fPIE when we're adding -fPIC.
> >
> >
> > r~
[snip]

Attached is a much better version.  It drops -fPIE and adds -fPIC for 
libtool.
   -Don Slutz

Attachment: 0001-configure-Switch-libtool-from-fPIE-to-fPIC-bug-12570.patch
Description: Text Data

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