thanx for the repport, but iom328pb.h is not provided by avr-libc as far as
I can tell? So it would have to be added to the patch for it to be usefull.
Can I also suggest that you report this upstream aswell:
On Wed, Jul 5, 2017 at 1:59 AM, Paul "LeoNerd" Evans <leon...@leonerd.org.uk
> Package: avr-libc
> Version: 1:2.0.0+Atmel3.5.4-1
> Severity: normal
> Tags: patch
> Attempting to build a program for the new ATmega328PB, it seems the
> device-specific IO file is not found:
> avr-gcc -std=gnu99 -Wall -Os -DF_CPU=16000000 -mmcu=atmega328pb -flto
> -ffunction-sections ...
> In file included from src/test.c:1:0:
> /usr/lib/avr/include/avr/io.h:623:6: warning: #warning "device type not
> defined" [-Wcpp]
> # warning "device type not defined"
> I do have the required iom328pb.h file though:
> -rw-r--r-- 1 root root 27K Jul 22 2016 /usr/lib/avr/include/avr/
> Further, I see that iom328pb.h isn't listed in the big long section of
> #ifdef-guarded #includes in the main io.h. I see there is an attempted
> generic fallback section based on value of __AVR_DEV_LIB_NAME__ but it
> seems for whatever reason that isn't kicking in today.
> If I simply add the required 2 lines (by copying the 328P example), my
> code will compile fine. Attached is my patch.
> -- System Information:
> Debian Release: 9.0
> APT prefers testing
> APT policy: (990, 'testing'), (500, 'unstable')
> Architecture: amd64 (x86_64)
> Foreign Architectures: i386
> Kernel: Linux 4.9.0-3-amd64 (SMP w/4 CPU cores)
> Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8),
> LANGUAGE=en_GB:en (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
> Versions of packages avr-libc depends on:
> ii binutils-avr 2.26.20160125+Atmel3.5.3-1
> ii gcc-avr 1:4.9.2+Atmel3.5.4-1
> avr-libc recommends no packages.
> avr-libc suggests no packages.
> -- no debconf information