Re: Default debug format

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Hi Florian,

On Wed, Jun 26, 2019 at 07:42:38AM +0200, Florian Doersch wrote:
> on my AIX gcc, there are multiple "-g" variants available.
> 
> The problem is, that only "-gxcoff" creates proper (with AIX debugger 
> dbx) debuggable binaries.
> 
> How can I tell the gcc (i.e while building the gcc itself) that it 
> should use xcoff as the default? I havent found anything working about it.
> 
> I already tried to set PREFERRED_DEBUGGING_TYPE in 
> gcc/config/rs6000/aix72.h to XCOFF_DEBUG, but it did not make any 
> difference?

aix72.h has

/* AIX 7.2 supports DWARF3 debugging, but XCOFF remains the default.  */
#define DWARF2_DEBUGGING_INFO 1
#define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG

so it *already* defaults to XCOFF debugging.  Does this not work for you?


Segher



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