[meta-freescale] [meta-fsl-ppc master 3/4] qemu: configure properly check if -lrt is needed

[Liu Ting-B28495]

> -----Original Message-----
> From: Luo Zhenhua-B19537
> Sent: Friday, March 01, 2013 11:41 AM
> To: Yoder Stuart-B08248; McClintock Matthew-B29882; Otavio Salvador; Liu
> Ting-B28495
> Cc: meta-freescale at yoctoproject.org
> Subject: RE: [meta-freescale] [meta-fsl-ppc master 3/4] qemu: configure
> properly check if -lrt is needed
> 
> Add Ting for comment.
> 
> 
> Best Regards,
> 
> Zhenhua
> 
> 
> > -----Original Message-----
> > From: Yoder Stuart-B08248
> > Sent: Friday, March 01, 2013 4:11 AM
> > To: McClintock Matthew-B29882; Otavio Salvador
> > Cc: Luo Zhenhua-B19537; meta-freescale at yoctoproject.org
> > Subject: RE: [meta-freescale] [meta-fsl-ppc master 3/4] qemu:
> > configure properly check if -lrt is needed
> >
> >
> >
> > > -----Original Message-----
> > > From: McClintock Matthew-B29882
> > > Sent: Thursday, February 28, 2013 9:22 AM
> > > To: Otavio Salvador; Yoder Stuart-B08248
> > > Cc: Luo Zhenhua-B19537; meta-freescale at yoctoproject.org
> > > Subject: Re: [meta-freescale] [meta-fsl-ppc master 3/4] qemu:
> > > configure properly check if -lrt is needed
> > >
> > > On Thu, Feb 28, 2013 at 6:27 AM, Otavio Salvador
> > > <otavio at ossystems.com.br> wrote:
> > > > On Thu, Feb 28, 2013 at 5:54 AM, Zhenhua Luo
> > <zhenhua.luo at freescale.com> wrote:
> > > >> From: Ting Liu <b28495 at freescale.com>
> > > >>
> > > >> Back port from:
> > > >> http://git.qemu.org/?p=qemu.git;a=commit;h=8bacde8d86a09699207d85
> > > >> d4
> > > >> bab06162aed18dc4
> > > >>
> > > >> Fix the below build issue:
> > > >> | ../qemu-timer.o: In function `dynticks_rearm_timer':
> > > >> | .../qemu/1.0+fsl-r2/git/qemu-timer.c:597: undefined reference
> > > >> | to
> > `timer_gettime'
> > > >> | .../qemu/1.0+fsl-r2/git/qemu-timer.c:610: undefined reference
> > > >> | to
> > `timer_settime'
> > > >> | ../qemu-timer.o: In function `dynticks_stop_timer':
> > > >> | .../qemu/1.0+fsl-r2/git/qemu-timer.c:583: undefined reference
> > > >> | to
> > `timer_delete'
> > > >> | ../qemu-timer.o: In function `dynticks_start_timer':
> > > >> | .../qemu/1.0+fsl-r2/git/qemu-timer.c:565: undefined reference
> > > >> | to
> > `timer_create'
> > > >> | ivshmem.o: In function `pci_ivshmem_init':
> > > >> | .../qemu/1.0+fsl-r2/git/hw/ivshmem.c:720: undefined reference
> > > >> | to
> > `shm_open'
> > > >> | .../qemu/1.0+fsl-r2/git/hw/ivshmem.c:727: undefined reference
> > > >> | to
> > `shm_open'
> > > >> | collect2: error: ld returned 1 exit status
> > > >> | make[1]: *** [qemu-system-ppc] Error 1
> > > >> | make: *** [subdir-ppc-softmmu] Error 2
> > > >> | ERROR: oe_runmake failed
> > > >> | ERROR: Function failed: do_compile
> > > >>
> > > >> Signed-off-by: Ting Liu <b28495 at freescale.com>
> > > >
> > > > Good.
> > >
> > > Did we check with Staurt to see if we can get him to add this patch
> > > to his tree at git.freescale.com?
> >
> > I don't understand the changes and why they are needed.
> >
> > Also, we are getting ready to up-rev to QEMU 1.4 and so things may
> change.
> > If this is a blocking issue and you want to hack this code to make
> > progress on rebasing Yocto, fine.   But realize that we are going to
> > uprev QEMU and things are going to change.
> >

This issue only appeared when we rebased poky onto 1.4_M4 recently, with our own qemu tree released for SDK 1.3. if we are going to use qemu 1.4, I think this issue will go away. But before that, we need this patch to not block yocto build tests.

-Ting

> > Stuart
> >