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Re: Build regressions/improvements in v4.4

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  Re: Build regressions/improvements in v4.4 Guenter Roeck <linux@roeck-us.net> - 2016-01-18 17:40 +0100
    Re: Build regressions/improvements in v4.4 Michael Ellerman <mpe@ellerman.id.au> - 2016-01-19 00:40 +0100
      Re: Build regressions/improvements in v4.4 Guenter Roeck <linux@roeck-us.net> - 2016-01-19 01:10 +0100

#1311659 — Re: Build regressions/improvements in v4.4

On 01/13/2016 09:44 PM, Michael Ellerman wrote:
> On Mon, 2016-01-11 at 12:38 +0100, Geert Uytterhoeven wrote:
>> Hi Günter,
>> On Mon, Jan 11, 2016 at 12:14 PM, Guenter Roeck <linux@roeck-us.net> wrote:
>>> On Mon, Jan 11, 2016 at 09:29:52AM +0100, Geert Uytterhoeven wrote:
>>>> On Mon, Jan 11, 2016 at 9:28 AM, Geert Uytterhoeven
>>>> <geert@linux-m68k.org> wrote:
>>>>> JFYI, when comparing v4.4[1] to v4.4-rc8[3], the summaries are:
>>>>>    - build errors: +13/-13
>>>>> [1] http://kisskb.ellerman.id.au/kisskb/head/9774/ (all 259 configs)
>>>>
>>>>    + /tmp/ccnzCwY6.s: Error: can't resolve `_start' {*UND* section} -
>>>> `L0^A' {.text section}:  => 43
>>>>    + /tmp/ccyAN6Ix.s: Error: can't resolve `_start' {*UND* section} -
>>>> `L0^A' {.text section}:  => 43
>>>>
>>>> Various MIPS, the saga continues...
>>>
>>> Hi Geert,
>>>
>>> do you know which version of binutils is used by kisskb ?
>>> If it is 2.23.90 or similar (ie below 2.24 and third level version
>>> has more than one digit), there is a patch pending to fix it.
>>
>> No, I don't know.
>
> It dumps the GCC version, but not binutils. I should add that one day.
>
> The mips toolchain is pretty old, so it's using binutils 2.22. Are you saying I
> need to update it?
>
Michael,

is your toolchain available somewhere as binary ? I'd like to add a single
mips build test using it if possible.

Thanks,
Guenter

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#1311852

On Mon, 2016-01-18 at 08:32 -0800, Guenter Roeck wrote:
> On 01/13/2016 09:44 PM, Michael Ellerman wrote:
> > On Mon, 2016-01-11 at 12:38 +0100, Geert Uytterhoeven wrote:
> > > Hi Günter,
> > > On Mon, Jan 11, 2016 at 12:14 PM, Guenter Roeck <linux@roeck-us.net> wrote:
> > > > On Mon, Jan 11, 2016 at 09:29:52AM +0100, Geert Uytterhoeven wrote:
> > > > > On Mon, Jan 11, 2016 at 9:28 AM, Geert Uytterhoeven
> > > > > <geert@linux-m68k.org> wrote:
> > > > > > JFYI, when comparing v4.4[1] to v4.4-rc8[3], the summaries are:
> > > > > >    - build errors: +13/-13
> > > > > > [1] http://kisskb.ellerman.id.au/kisskb/head/9774/ (all 259 configs)
> > > > > 
> > > > >    + /tmp/ccnzCwY6.s: Error: can't resolve `_start' {*UND* section} -
> > > > > `L0^A' {.text section}:  => 43
> > > > >    + /tmp/ccyAN6Ix.s: Error: can't resolve `_start' {*UND* section} -
> > > > > `L0^A' {.text section}:  => 43
> > > > > 
> > > > > Various MIPS, the saga continues...
> > > > 
> > > > Hi Geert,
> > > > 
> > > > do you know which version of binutils is used by kisskb ?
> > > > If it is 2.23.90 or similar (ie below 2.24 and third level version
> > > > has more than one digit), there is a patch pending to fix it.
> > > 
> > > No, I don't know.
> > 
> > It dumps the GCC version, but not binutils. I should add that one day.
> > 
> > The mips toolchain is pretty old, so it's using binutils 2.22. Are you saying I
> > need to update it?
> > 
> Michael,
> 
> is your toolchain available somewhere as binary ? I'd like to add a single
> mips build test using it if possible.

Hi Guenter,

I'm still using this old one from kernel.org:

  https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.6.3/x86_64-gcc-4.6.3-nolibc_mips-linux.tar.bz2

cheers

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#1311859

On 01/18/2016 03:34 PM, Michael Ellerman wrote:
> On Mon, 2016-01-18 at 08:32 -0800, Guenter Roeck wrote:
>> On 01/13/2016 09:44 PM, Michael Ellerman wrote:
>>> On Mon, 2016-01-11 at 12:38 +0100, Geert Uytterhoeven wrote:
>>>> Hi Günter,
>>>> On Mon, Jan 11, 2016 at 12:14 PM, Guenter Roeck <linux@roeck-us.net> wrote:
>>>>> On Mon, Jan 11, 2016 at 09:29:52AM +0100, Geert Uytterhoeven wrote:
>>>>>> On Mon, Jan 11, 2016 at 9:28 AM, Geert Uytterhoeven
>>>>>> <geert@linux-m68k.org> wrote:
>>>>>>> JFYI, when comparing v4.4[1] to v4.4-rc8[3], the summaries are:
>>>>>>>     - build errors: +13/-13
>>>>>>> [1] http://kisskb.ellerman.id.au/kisskb/head/9774/ (all 259 configs)
>>>>>>
>>>>>>     + /tmp/ccnzCwY6.s: Error: can't resolve `_start' {*UND* section} -
>>>>>> `L0^A' {.text section}:  => 43
>>>>>>     + /tmp/ccyAN6Ix.s: Error: can't resolve `_start' {*UND* section} -
>>>>>> `L0^A' {.text section}:  => 43
>>>>>>
>>>>>> Various MIPS, the saga continues...
>>>>>
>>>>> Hi Geert,
>>>>>
>>>>> do you know which version of binutils is used by kisskb ?
>>>>> If it is 2.23.90 or similar (ie below 2.24 and third level version
>>>>> has more than one digit), there is a patch pending to fix it.
>>>>
>>>> No, I don't know.
>>>
>>> It dumps the GCC version, but not binutils. I should add that one day.
>>>
>>> The mips toolchain is pretty old, so it's using binutils 2.22. Are you saying I
>>> need to update it?
>>>
>> Michael,
>>
>> is your toolchain available somewhere as binary ? I'd like to add a single
>> mips build test using it if possible.
>
> Hi Guenter,
>
> I'm still using this old one from kernel.org:
>
>    https://www.kernel.org/pub/tools/crosstool/files/bin/x86_64/4.6.3/x86_64-gcc-4.6.3-nolibc_mips-linux.tar.bz2
>

Odd, that works just fine for me when building v4.4. It correctly detects
that it can not build vdso and skips it as expected.

Puzzled ...

Guenter

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