LD mpa.codec
/home/jonno/rockbox/build/e200-sim/apps/codecs/codec_crt0.o: In function `_start':
/home/jonno/rockbox/apps/codecs/codec_crt0.c:34: multiple definition of `_start'
/usr/lib/gcc/i686-linux-gnu/4.4.5/../../../../lib/crt1.o:(.text+0x0): first defined here
/usr/lib/gcc/i686-linux-gnu/4.4.5/../../../../lib/crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
collect2: ld returned 1 exit status