[Patch V2] libgfortran: do not assume libm

[Paolo Bonzini]

Il 30/03/2012 12:22, Tristan Gingold ha scritto:
> 
> On Mar 27, 2012, at 10:38 AM, Janne Blomqvist wrote:
> 
>> On Tue, Mar 27, 2012 at 11:01, Tristan Gingold <gingold@adacore.com> wrote:
>>> Hi,
>>>
>>> this patch fixes this issue.  Is it OK ?
>>
>> Ok.
>>
>>> Maybe we should include the AC_DEFINE action within GCC_CHECK_MATH_FUNC.  Will try to do that.
>>
>> That looks like a cleaner solution, yes, and less chance for typos to sneak in.
> 
> Hi,
> 
> here is the 'cleaner solution': now GCC_CHECK_MATH_FUNC automatically define the HAVE_xxx variable.
> 
> The description is now: Define to 1 if you have the `xxx' function.  As a consequence, libgfortran/config.h.in was regenerated (with differences like:
>  
> -/* acos is available */
> +/* Define to 1 if you have the `acos' function. */
>  #undef HAVE_ACOS
>  
> )
> 
> Tested by rebuild libgfortran for ia64-hp-openvms and visual inspection of differences.
> 
> I have CC: Paolo as he approved the first version of math.m4.
> 
> Ok for trunk ?

Yes.

Paolo