On 9 January 2016 at 17:48, Jakub Jelinek <ja...@redhat.com> wrote:
> On Thu, Dec 31, 2015 at 12:52:21PM -0500, John David Anglin wrote:
>> On 2015-12-30, at 6:46 PM, Joseph Myers wrote:
>>
>> > On Mon, 28 Dec 2015, John David Anglin wrote:
>> >
>> >> The attach change fixes PR middle-end/68743 on hppa*-*-hpux*.  In 
>> >> compiling
>> >> c99_functions.c in libgfortran, floor ((double)x) was transformed to 
>> >> floorf(x) but
>> >> floorf is not available on hppa*-*-hpux*.  The change simply adds a 
>> >> libc_has_function
>> >> check to prevent the transformation.
>> >
>> > These are real functions, not complex.  I think you want to use
>> > function_c99_misc, not function_c99_complex.
>>
>>
>> The composition of the classes isn't documented, so I wasn't sure which 
>> functions where in
>> each class.  Thought function_c99_math_complex might have been math and 
>> complex.
>>
>> In any case, we have no_c99_libc_has_function on hpux and everything on 
>> linux.  So, I
>> don't think testing with function_c99_misc on hppa will show any difference.
>>
>> Okay with function_c99_misc?
>
> Ok (but please make sure to adjust ChangeLog too).
>

This patch made gcc.dg/torture/builtin-integral-1.c FAIL on
bare metal targets (e.g. arm-non-eabi, aarch64-none-elf,
using Newlib).
The logs show link errors:
/ccOMzAOC.o: In function `test':
builtin-integral-1.c:(.text+0x3c): undefined reference to `link_failure'
collect2: error: ld returned 1 exit status

Christophe


>         Jakub

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