On Thu, Oct 17, 2013 at 3:08 PM, Sriraman Tallam <tmsri...@google.com> wrote:
> On Thu, Oct 17, 2013 at 1:23 PM, Mike Stump <mikest...@comcast.net> wrote:
>> On Oct 17, 2013, at 10:23 AM, Sriraman Tallam <tmsri...@google.com> wrote:
>>>> You probably want to do something similar to what I did in the powerpc.
>>>
>>> I would need the help of target maintainers to fix it this way since
>>> it touches every target and it would take time for me to build and
>>> test every target.
>>
>> For changes that only need a compile to ensure one didn't brake a port, a 
>> configure and build of a target is 2 minutes.  Over night (6 hours), you can 
>> 180 targets.  Before you laugh, there are people that have done this sort of 
>> building in the past as well.  The hardest part, literally, would be to come 
>> up with the list of targets.
>
> Thanks. This is the list of affected targets extracted from the link
> JBG pointed to:  http://toolchain.lug-owl.de/buildbot/?limit=1500
>
> "alpha-linux,bfin-elf,cr16-elf,epiphany-elf,frv-linux,h8300-elf,hppa-linux,m32c-elf,m68k-linux,mep-elf,microblaze-linux,mips64el-linux,mips64-linux,mipsel-linux,mips-linux,mmix,nios2-elf,powerpc64le-linux,powerpc64-linux,powerpcle-linux,powerpc-linux,ppc64-linux,ppc-linux,rl78-elf,rs6000-ibm-aix4.3,s390-linux,s390x-linux,sparc64-linux,sparc-linux,spu,spu-elf,vax-linux,xtensa-linux"
>
> Status: With the patch below, x86_64, i386 and powerpc native
> bootstrap is fine. x86_64 has one test regression in
> gfortran.dg/lto/pr45586 which I am looking into. Also, mips and
> mips-64 cross-compiler builds fine.
>
> I can check cross-compile builds on all the affected targets listed
> above. If this all works, I suggest using this patch to put out the
> current fires and proceed with individual changes to each target
> later.  Also, there are some test case failures when built in non-sse
> configs in i386. I can get to it after unbreaking this. Is this
> reasonable?

I am running cross-compile builds on all the 33 failing targets. Like
Mike said, it is only taking a few minutes per target. If there is no
objection, I *will check in* this patch in another 2 hours provided
all 33 targets succeed. This will atleast unblock all targets.

Thanks
Sri


>
> Thanks
> Sri
>
>
> Index: opth-gen.awk
> ===================================================================
> --- opth-gen.awk (revision 203779)
> +++ opth-gen.awk (working copy)
> @@ -114,6 +114,7 @@
>  print "extern struct gcc_options global_options;"
>  print "extern const struct gcc_options global_options_init;"
>  print "extern struct gcc_options global_options_set;"
> +print "#define target_flags_explicit global_options_set.x_target_flags"
>  print "#endif"
>  print "#endif"
>  print ""

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