Bug #17312 2010-06-29 16:57

martonmiklos

avr-gcc linking fails due the wrong -L argument

Hello all,

I am try to build a simple program which is using eeprom rutines from the avr-libc.

The codeblocks links it with:

avr-g++ -L/usr/lib/avr/lib -o bin/avr.elf .objs/adc.o .objs/global.o .objs/i2c.o .objs/main.o .objs/motor.o .objs/serial.o .objs/servo.o

And it fails with:

undefined reference to __eerd_byte_m32

If I remove the -L/usr/lib/avr/lib argument and run it from command line it links fine.

The reason of the error is that there is a libc.a file in the /usr/lib/avr/lib directory which contains the libc library for the Attiny2313, but the Atmega32's libraries are in the /usr/lib/avr/lib/avr5 and the linker does not find it automatically.

The removing of the -L[default path] argument from the linking process would solve the problem.

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Compiler

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