Permission denied on a.out in ./configure

[Pedro Gimeno]

Torbjörn Granlund wrote, On 2014-09-18 21:55:

> GMP cannot run its checks for whether the compiler works without being
> able to execute elementary tests.
> 
> It is not realistic to expect the configure process to try to diagnose
> the reasons why executables don't work.  It can be hundreds of reasons,

Perhaps a more proper error message would be to substitute "working"
with "usable". This case shows how the tests may run into a situation
where the compiler works, but can't be used.