Re: [ptxdist] [ANNOUNCE] OSELAS.Toolchain() 2013.12.2 released

[Tim Sander <tim@krieglstein.org>]

Hi Uwe

Thanks for your reply. It sounds it could get more involved, if yes we should 
set up some support for this via private mail, as i am wearing my business 
hat.

Am Mittwoch, 24. September 2014, 20:01:54 schrieb Uwe Kleine-König:
> On Wed, Sep 24, 2014 at 03:43:10PM +0200, Tim Sander wrote:
> > Hi
> > 
> > > I'm happy to announce that I've just released
> > > OSELAS.Toolchain-2013.12.2.
> > > 
> > > This is a bugfix-only release. The relevant changes since 2013.12.1 are:
> > >  - The toolchains can now be built with make 4.0
> > >  - Some toolchains did not optimize for the correct CPU. The code works
> > >  but
> > >  
> > >    might be slower. This is fixed now.
> > >  
> > >  - All security relevant fixes mentioned in the glibc 2.19 changelog
> > >  have
> > >  
> > >    been added for glibc 2.18 based toolchains.
> > >  
> > >  - All generated toolchain archives are now XZ comressed.
> > 
> > While i have used this toolchain arm-v7a-linux-gnueabihf with an Xilinx
> > Zynx compiling nearly the same Project with a different Kernelconfig /DTB
> > for Altera SOC fails with this toolchain !?! The kernel boots but on
> > mounting the rootfs it fails to execute any binary?
> > 
> > Compiling the same project with
> > OSELAS.Toolchain-2012.12.1/arm-cortexa9-linux-
> > gnueabihf/gcc-4.7.3-glibc-2.16.0-binutils-2.22-kernel-3.6-sanitized does
> > work however.
> > 
> > I have also tried setting:
> > PTXCONF_TARGET_EXTRA_CFLAGS="-mcpu=cortex-a9 -mfpu=neon"
> > PTXCONF_TARGET_EXTRA_CXXFLAGS="-mcpu=cortex-a9 -mfpu=neon"
> > But it still fails on executing any binary.
> 
> Without knowing details about the two toolchains in question, this might
> be an ABI-problem. Does your kernel have OABI_COMPAT=y?
No its disabled, in the Xilinx Zynq (working) and the Altera SOC (not working) 
but CONFIG_AEABI=y .

> Did you try to run a 2013.12.1 userspace with a 2012.12.1-compiled
> kernel and vice versa?
No, i was doing a "ptxdist clean" inbetween switching toolchains. So the whole 
project was only compiled with one compiler. That is, if "ptxdist clean" is 
working as expected.

Best regards
Tim


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