This is the mail archive of the mailing list for the binutils project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [RFC][PATCH][ld][testsuite] Add -ffat-lto-objects option to some ld tests

On Tue, Nov 26, 2013 at 7:00 AM, Kyrill Tkachov <> wrote:
> On 26/11/13 14:58, H.J. Lu wrote:
>> On Tue, Nov 26, 2013 at 6:55 AM, Kyrill Tkachov <>
>> wrote:
>>> On 26/11/13 14:36, H.J. Lu wrote:
>>>> On Tue, Nov 26, 2013 at 6:32 AM, Kyrill Tkachov <>
>>>> wrote:
>>>>> Hi all,
>>>>> I'm seeing some ld testsuite failures on arm-none-linux-gnueabi and
>>>>> aarch64-none-linux-gnu after a recent gcc commit (r205065) that set
>>>>> -fno-fat-lto-objects as the default:
>>>>> PASS->FAIL: LTO 3 symbol
>>>>> PASS->FAIL: PR ld/12758
>>>>> PASS->FAIL: PR ld/12760
>>>>> PASS->FAIL: PR ld/13183
>>>>> It seems that these tests need -ffat-lto-objects, at least on arm and
>>>>> aarch64, but I'm not sure I understand the structure of these ld tests
>>>>> well.
>>>>> Could someone please comment on whether this is the correct approach?
>>>>> CC'ing H.J. since he wrote the lto.exp file.
>>>> Does -ffat-lto-objects always work when -flto is supported?
>>>> If yes, OK for trunk.
>>> The gcc manual says about -ffat-lto-objects: " This option is effective
>>> only
>>> when compiling with -flto and is ignored at link time".
>>> I'd think that it's supposed to always work with -flto.
>> Was -ffat-lto-objects added together with -flto?
> Hmmm... it seems not. -ffat-lto-objects exists in 4.7 but not in 4.6. -flto
> was added in 4.6.

Please add  -ffat-lto-objects to check_lto_available.
Then you can use it in lto.exp.



Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]