-p Tries whether the dynamic version of the log layouts work
+p Check that the dynamic version of the log simple layout works
$ $SG_EXENV_TEST xbt/log_large_test
> [0.000000] [test/INFO] This is a very large message:0
> 1.........1.........2.........3.........4.........5.........6.........7.........8.........9.........0
>
> [0.000000] [test/INFO] Done (strlen>10210)
+p Check that the dynamic version of the log formated layout works
$ $SG_EXENV_TEST xbt/log_large_test --log=root.fmt:%m%n
> This is a very large message:0
> 1.........1.........2.........3.........4.........5.........6.........7.........8.........9.........0