jbutera@devhost:~/j2440/src$ make
/home/jbutera/sat/bin/arm-none-eabi-gcc   -Wall -Wstrict-prototypes -ffreestanding -Tgcctest.lds -o gcctest.o gcctest.c
gcctest.c: In function '_start':
gcctest.c:87:2: warning: implicit declaration of function 'main'
gcctest.c:84:16: warning: unused variable 'block_size'
gcctest.c: In function 'main':
gcctest.c:287:6: warning: unused variable 'i'
gcctest.c:286:9: warning: unused variable 'mode'
/tmp/ccAZj9bR.o: In function `_start':
gcctest.c:(.text+0x0): multiple definition of `_start'
/home/jbutera/sat/lib/gcc/arm-none-eabi/4.5.2/../../../../arm-none-eabi/lib/thumb/crt0.o:/home/jbutera/j2440/esden-summon-arm-toolchain-9b7cedd/build/arm-none-eabi/thumb/libgloss/arm/../../../../../gcc-linaro-4.5-2011.02-0/libgloss/arm/crt0.S:83: first defined here
/home/jbutera/sat/lib/gcc/arm-none-eabi/4.5.2/../../../../arm-none-eabi/lib/thumb/crt0.o: In function `start':
(.text+0x64): undefined reference to `__bss_start__'
/home/jbutera/sat/lib/gcc/arm-none-eabi/4.5.2/../../../../arm-none-eabi/lib/thumb/crt0.o: In function `start':
(.text+0x68): undefined reference to `__bss_end__'
/tmp/ccAZj9bR.o: In function `Uart_Init':
gcctest.c:(.text+0x268): undefined reference to `PCLK'
gcctest.c:(.text+0x26c): undefined reference to `PCLK'
collect2: ld returned 1 exit status
make: *** [gcctest.o] Error 1
jbutera@devhost:~/j2440/src$