[Bug bootstrap/44959] [4.6 Regression] bootstrap failed at Comparing stages 2 and 3

[ro at CeBiTec dot Uni-Bielefeld.DE]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44959

--- Comment #36 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> 2012-09-14 13:51:58 UTC ---
> --- Comment #30 from Hin-Tak Leung <htl10 at users dot sourceforge.net>
> 2012-09-01 08:18:06 UTC ---
> I commented out gcc-4.7.1/config/bootstrap-debug.mk :
>
> #STAGE2_CFLAGS += -gtoggle
>
> and 4.7.1 passed.
>
> this seems likely the cause - -gtoogle was introduced in 4.5.x. I am going to
> try going backwards to see whether this will have the older versions pass.

config/bootstrap-debug.mk isn't used by default, you need to enable it
with --with-build-config.

> Two curiosity:
> - how did I get 4.6.1 to pass, once?

No idea, perhaps you `forgot' to enable bootstrap-debug.mk?

> - why Rainer's system isn't similiarly affected?

Because I'm using default configure options as far as possible, as I had
suggested to you several times: start with the basics and if this works,
continue from there.

    Rainer