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[avr-libc-dev] build break regarding avrtiny10

From: Axelrod, Ben
Subject: [avr-libc-dev] build break regarding avrtiny10
Date: Tue, 1 Apr 2014 15:28:49 +0000

I just pulled the avr-libc trunk and got this compilation error:

avr-gcc -DHAVE_CONFIG_H -I. -I../../..  -I../../../common -I../../../include 
-I../../../include  -I../../../common -I../../../include -I../../../include -x 
assembler-with-cpp  -mmcu=avrtiny10 -D__COMPILING_AVR_LIBC__   -MT 
utoa_ncheck.o -MD -MP -MF .deps/utoa_ncheck.Tpo -c -o utoa_ncheck.o 
../../../libc/misc/utoa_ncheck.S: Assembler messages:
../../../libc/misc/utoa_ncheck.S:80: Error: illegal opcode sbiw for mcu 
make[5]: *** [utoa_ncheck.o] Error 1
make[5]: Leaving directory `/home/baxelrod/lca/avr-libc/trunk/avr/lib/avrtiny10'
make[4]: *** [all-recursive] Error 1
make[4]: Leaving directory `/home/baxelrod/lca/avr-libc/trunk/avr/lib/avrtiny10'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/home/baxelrod/lca/avr-libc/trunk/avr/lib'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/baxelrod/lca/avr-libc/trunk/avr'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/baxelrod/lca/avr-libc/trunk'
make: *** [all] Error 2

System configured like so:
./configure --build=`./config.guess` --host=avr
On Ubuntu 12.04 with avr-gcc (GCC) 4.5.3.

After poking around the email archive, it looks like there have been other 
issues like this and the result was to not compile those libraries with 
protection like so: #if !defined(__AVR_TINY__)

I looked into utoa_ncheck.S and found that it had this: #if 
!defined(__AVR_TINY).  Is it possible that the protection variable changed 
names at some point?  I found several other files that had this (presumably) 
improper protection variable:


I fixed them and provided it in the attached patch.


Ben Axelrod
Sr. Robotics Software Engineer
iRobot Corporation
8 Crosby Drive, M/S 8-1
Bedford, MA 01730
(781) 430-3315

Attachment: tinypatch.diff
Description: tinypatch.diff

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