An issue in configure.ac of gdbserver

[Daniel Jacobowitz]

On Thu, Dec 29, 2005 at 01:38:29PM +0800, Jie Zhang wrote:
> Hi,
> 
> This piece of code in configure.ac of gdbserver does not work as
> intended, since gcc only gives an warning if it does not accept
> -rdynamic.
> 
>   LDFLAGS="$LDFLAGS -rdynamic"
>   AC_TRY_LINK([], [], [RDYNAMIC=-rdynamic], [RDYNAMIC=])
>   AC_SUBST(RDYNAMIC)

Is this a problem?  For one thing, usually dejagnu reports gcc warnings
as fatal; the test would fail if the option generated a warning.  For
another, the option should be used unless it causes gcc to fail;
using it even when GCC doesn't support it should be harmless.

-- 
Daniel Jacobowitz
CodeSourcery, LLC