verbose compiler output

**** Build of configuration Debug for project BitReverse ****

make all
Building file: ../bitreverse.c
Invoking: AVR Compiler
avr-gcc -Wall -g2 -gstabs -O0 -fpack-struct -fshort-enums -ffunction-sections -fdata-sections -std=gnu99 -funsigned-char -funsigned-bitfields -v -mmcu=atmega2560 -DF_CPU=16000000UL -MMD -MP -MF"bitreverse.d" -MT"bitreverse.d" -c -o "bitreverse.o" "../bitreverse.c"
Using built-in specs.
Target: avr
Configured with: ../gcc-4.3.3/configure --enable-win32-registry=WinAVR-20100110 --with-gmp=/usr/local --with-mpfr=/usr/local --prefix=/c/WinAVR --target=avr --enable-languages=c,c++,objc --with-dwarf2 --enable-doc --disable-shared --disable-libada --disable-libssp --disable-nls --with-pkgversion='WinAVR 20100110' --with-bugurl='URL:http://sourceforge.net/tracker/?atid=520074&group_id=68108&func=browse'
Thread model: single
gcc version 4.3.3 (WinAVR 20100110)
COLLECT_GCC_OPTIONS='-Wall' '-g2' '-gstabs' '-O0' '-fpack-struct' '-fshort-enums' '-ffunction-sections' '-fdata-sections' '-std=gnu99' '-funsigned-char' '-funsigned-bitfields' '-v' '-mmcu=atmega2560' '-DF_CPU=16000000UL' '-MMD' '-MP' '-MFbitreverse.d' '-MTbitreverse.d' '-c' '-o' 'bitreverse.o'
 c:/winavr-20100110/bin/../libexec/gcc/avr/4.3.3/cc1.exe -quiet -v -imultilib avr6 -iprefix c:\winavr-20100110\bin\../lib/gcc/avr/4.3.3/ -MMD bitreverse.d -MFbitreverse.d -MP -MTbitreverse.d -MQ bitreverse.o -DF_CPU=16000000UL ../bitreverse.c -quiet -dumpbase bitreverse.c -mmcu=atmega2560 -auxbase-strip bitreverse.o -g2 -gstabs -O0 -Wall -std=gnu99 -version -fpack-struct -fshort-enums -ffunction-sections -fdata-sections -funsigned-char -funsigned-bitfields -o C:\Users\xxx\AppData\Local\Temp/ccCefE75.s
ignoring nonexistent directory "c:/winavr-20100110/lib/gcc/../../avr/sys-include"
#include "..." search starts here:
#include <...> search starts here:
 c:\winavr-20100110\bin\../lib/gcc/avr/4.3.3/include
 c:\winavr-20100110\bin\../lib/gcc/avr/4.3.3/include-fixed
 c:/winavr-20100110/lib/gcc/../../lib/gcc/avr/4.3.3/include
 c:/winavr-20100110/lib/gcc/../../lib/gcc/avr/4.3.3/include-fixed
 c:/winavr-20100110/lib/gcc/../../avr/include
End of search list.
GNU C (WinAVR 20100110) version 4.3.3 (avr)
	compiled by GNU C version 3.4.5 (mingw-vista special r3), GMP version 4.2.3, MPFR version 2.4.1.
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: 61d68a374065d489330774d2533cbbdf
COLLECT_GCC_OPTIONS='-Wall' '-g2' '-gstabs' '-O0' '-fpack-struct' '-fshort-enums' '-ffunction-sections' '-fdata-sections' '-std=gnu99' '-funsigned-char' '-funsigned-bitfields' '-v' '-mmcu=atmega2560' '-DF_CPU=16000000UL' '-MMD' '-MP' '-MFbitreverse.d' '-MTbitreverse.d' '-c' '-o' 'bitreverse.o'
 c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/../../../../avr/bin/as.exe -mmcu=atmega2560 -o bitreverse.o C:\Users\xxx\AppData\Local\Temp/ccCefE75.s
C:\Users\xxx\AppData\Local\Temp/ccCefE75.s: Assembler messages:
C:\Users\xxx\AppData\Local\Temp/ccCefE75.s:349: Error: constant value required
C:\Users\xxx\AppData\Local\Temp/ccCefE75.s:350: Error: constant value required
make: *** [bitreverse.o] Error 1

**** Build Finished ****