[Patch V2] libgfortran: do not assume libm

[Tristan Gingold]

On Mar 30, 2012, at 2:39 PM, Paolo Bonzini wrote:

> 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.

Thanks, committed.

Tristan.