Re: autoconf macro for gcc symbol visibility

[Stepan Kasal]

Hi,

On Tue, May 31, 2005 at 05:27:08PM +0200, Ralf Wildenhues wrote:
> Note also that some compilers won't error out on unknown flags (esp
> Intel ones :)  but only issue a warning.  This may or may not matter for
> you.  If it does: For example, Libtool-1.5.18 employs some trickery to
> find out the difference (see AC_LIBTOOL_COMPILER_OPTION in libtool.m4):
> compile a simple translation unit once without and once with the option
> and compare the warnings generated.  BTW, if there is sufficient
> interest, I could try to make a macro like this for general use to
> Autoconf users (AC_LIBTOOL_COMPILER_OPTION is libtool-internal
> interface).

this looks as a general problem, so I guess the solution would really
belong to Autoconf.

Have a nice day,
        Stepan Kasal