Comment # 6 on bug 1152590 from Jiri Slaby

So I have the change in:
https://build.suse.de/project/monitor/home:jirislaby:cross

Not only the scripts in Factory cannot handle the archives, they mangle them!

When libgcc.a is packaged (or /usr/avr/sys-root/lib/avr4/libc.a or libm.a from
avr-libc rpm), one object file inside the ar archive has machine zeroed. See:

$ rpm -qf /usr/lib64/gcc/avr/9/avr4/libgcc.a
cross-avr-gcc9-9.2.1+r275327-1.1.x86_64
$ ar xf /usr/lib64/gcc/avr/9/avr4/libgcc.a
$ file _absvhi2.o _usdivUQQ.o # <---- bad and good objects
_absvhi2.o:  ELF 32-bit LSB relocatable, no machine, version 1 (SYSV), not
stripped
_usdivUQQ.o: ELF 32-bit LSB relocatable, Atmel AVR 8-bit, version 1 (SYSV), not
stripped
$ objdump -f _absvhi2.o _usdivUQQ.o

_absvhi2.o:     file format elf32-little
architecture: UNKNOWN!, flags 0x00000011:
HAS_RELOC, HAS_SYMS
start address 0x00000000


_usdivUQQ.o:     file format elf32-avr
architecture: avr:4, flags 0x00000011:
HAS_RELOC, HAS_SYMS
start address 0x00000000




Linking with such libraries obviously fails:
/usr/lib64/gcc/avr/9/ld: skipping incompatible
/usr/lib64/gcc/avr/9/avr4/libgcc.a when searching for -lgcc
/usr/lib64/gcc/avr/9/ld: skipping incompatible /usr/lib64/gcc/avr/9/libgcc.a
when searching for -lgcc
/usr/lib64/gcc/avr/9/ld: cannot find -lgcc


This mangling does not happen with binutils with avr support in the above
project. Let me check whether linking works once this all gets build.