The tests are compiled without -D_GNU_SOURCE, therefore
the XSI version of strerror_r is used. Defining
_GNU_SOURCE in torture.h then including *.c gives error
because it is assuming GNU version of strerror_r in
the source file.
Signed-off-by: Norbert Pocs <npocs@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>