[cfe-users] Reproducible builds

[don hinton via cfe-users]

sorry, typo, should be -DSOME_INT=$RANDOM

On Mon, Aug 24, 2015 at 9:28 AM, don hinton <hintonda at gmail.com> wrote:

> You could try something like this:
>
> template <int N>
> class X{}
>
> static X<SOME_INT> x;
>
> // or
>
> char str[SOME_INT];
>
> then compile it like this:
>
> clang++ -D$RANDOM -c file.cpp -o file.o
>
> RANDOM is a bash thing, but basically you just need to generate a random
> number each time you compile and pass it in as a macro.
>
> hth...
> don
>
> On Mon, Aug 24, 2015 at 12:57 AM, Stephan Gatzka via cfe-users <
> cfe-users at lists.llvm.org> wrote:
>
>> Hi!
>>
>> I just added support for reproducible builds (-frandom-seed=) into the
>> qbs build system.
>>
>> For a automated test case I'd like to have a small snippet of C/C++
>> code, which definitely leads to different object files if compiled
>> twice.
>>
>> I wasn't able to write such a snippet, so any help would be very
>> appreciated.
>>
>> Regards,
>>
>> Stephan
>> _______________________________________________
>> cfe-users mailing list
>> cfe-users at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-users
>>
>
>
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