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Re: Requirements on Binutils and Linux kernel for GCC + Libsanitizer (was: Re: Bootstrap broken on x86_64 Linux?)

On Tue, Nov 12, 2013 at 11:52 AM, Jakub Jelinek <> wrote:
> On Tue, Nov 12, 2013 at 11:34:41AM +0400, Kostya Serebryany wrote:
>> On Sun, Nov 10, 2013 at 10:34 PM, FX <> wrote:
>> > > Unfortunately, we are not able to keep up with the old kernels.
>> > > Two possible ways to go:
>> > >  - disable libsanitizer on older kernels
>> > >  - someone needs to work with us in upstream repository (llvm) to keep
>> > the code old-kernel-compatible
>> >
>> > (It appears to be not only kernel, but binutils.)
>> >
>> > I think, at least the following should be done:
>> >
>> >   - identify and document the minimal requirements
>> >
>> Agree. From our side we can only guarantee Ubuntu 12.04 and higher.
> For making sure libsanitizer at least compiles, just installing
> /usr/include/ trees from a couple of important still supported distributions
> from various eras and just using -isystem /path/to/distro1/usr/include/ as
> additional (very quick) test of building the libraries on your bots
> wouldn't be IMHO that difficult.

Then we'll be getting complaints like 'this stuff compiles but doesn't work'.
Still might be worth doing.
Maybe we could create a wiki page somewhere describing the test
process that everyone should follow
when submitting changes to libsanitizer?


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