Flag to undo --enable-frame-pointer builds on i386

[Segher Boessenkool]

On Wed, Aug 16, 2017 at 06:01:17PM +0800, Xi Ruoyao wrote:
> On 2017-08-16 10:01 +0200, Florian Weimer wrote:
> > GCC for i386 can be configured with --enable-frame-pointer, which
> > changes the frame pointer from disabled to enabled by default.
> > 
> > Is there a command flag to undo that, changing the default back to a
> > default of frame pointer omission?
> > 
> > -fomit-frame-pointer is not that flag:
> > 
> > gcc: error: -pg and -fomit-frame-pointer are incompatible
> 
> Yes, you can't use -fomit-frame-pointer with -pg.

Which isn't actually true for most targets (those with PROFILE_BEFORE_PROLOGUE
at least), but this error is implemented in the specs file for everything.


Segher