Re: [avr-libc-dev] [bug #44869] trunk doesn't work with gcc 5.1.0-RC-20150412

[Georg-Johann Lay]

Am 04/27/2015 um 04:52 PM schrieb Sivanupandi, Pitchumani:
> > From: Joerg Wunsch [mailto:address@hidden
> > > Yes. If we release from revision r2473 it will work with gcc-5.1, not
> > trunk.
> > > If we release from last revision r2474, it will work with gcc trunk, not
> > gcc-5.1.

It will also work with 5.1.1 and up.

> Following table illustrates the crt file and device library name/layout
> expected by gcc. AVR-LibC configure is updated to follow this layout.
>
> Example: atmega1280
> +----------------+-------------+-------------------------+-----------------+
> |                | GCC < 5.0.0 | GCC 5.1.0               | Others          |
> +----------------+-------------+-------------------------+-----------------+
> | crt file       | crtm1280.o  | crtm1280.o              | crtatmega1280.o |
> +----------------+-------------+-------------------------+-----------------+
> | device library |             | dev/atmega1280/libdev.a | libatmega1280.a |
> +----------------+-------------+-------------------------+-----------------+

avr-gcc 5.1.0 will use dev/atmega1280/crt1.o%s as start file where %s means to 
search in multilib paths.

For the change see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65296#c10
which is also a backport to 5.1.1+

Johann