libquadmath: configure: error: Link tests are not allowed after GCC_NO_EXECUTABLES.

[Joel Sherrill]

On 12/21/2010 03:44 PM, Tobias Burnus wrote:
> Joel Sherrill wrote:
>> I was experimenting with adding microblaze-rtems*
>> and got this error:
>   >
>> checking for sqrtl in -lm... configure: error: Link tests are not
>> allowed after GCC_NO_EXECUTABLES.
>> make[1]: *** [configure-target-libquadmath] Error 1
> I am puzzled: While this issue existed, it should be fixed as
> configure.ac now contains:
>
I can confirm that I didn't update.  It was fixed after
I updated.

Sorry.
> if test x$gcc_no_link != xyes; then
>     AC_CHECK_LIB([m],[sqrtl],[AC_DEFINE([HAVE_SQRTL],[1],
>                  [libm includes sqrtl])])
>     AC_CHECK_LIB([m],[cbrtl],[AC_DEFINE([HAVE_CBRTL],[1],
>                  [libm includes cbrtl])])
> else
>    ...
>
> This part has been committed Sun Dec 19 19:01:38 2010 +0000. Thus, the
> big question is: Why does it not work for you?
>
> If you have an older version: Can you try again? And please report the
> result, namely: Does it work now or is there another additional issue?
>
> If you have the current version: Well, then I am completely puzzled -
> and you need to do more debugging work.
>
> Tobias
>
> PS: A work around is --disable-libquadmath; however, the idea (PR 46520)
> is to have this completely fixed. Thus, I would prefer if you do not use
> the work around and rather check whether it is now working.