minimal sample build

[Kishore Jonnalagadda <kitts.mailinglists@xxxxxxxxx>]

According to the Code Sourcery documentation, i should be able to build a 
minimum program such as:
/***main.c***/
#include <stdio.h>

int
main()
{
	printf("Hello World!\n");
	return 0;
}
/***main.c***/

with the command 'arm-none-eabi-gcc -o main main.c' i get the following error:

/***error***/
/home/kishore/Drone/Projects/tools/arm-linux.cs2008q1/bin/../lib/gcc/arm-none-eabi/4.2.3/../../../../arm-none-eabi/bin/ld: 
warning: cannot find entry symbol _start; defaulting to 00008018
/home/kishore/Drone/Projects/tools/arm-linux.cs2008q1/bin/../lib/gcc/arm-none-eabi/4.2.3/../../../../arm-none-eabi/lib/libc.a(lib_a-sbrkr.o): 
In function`_sbrk_r':
sbrkr.c:(.text+0x18): undefined reference to `_sbrk'
/home/kishore/Drone/Projects/tools/arm-linux.cs2008q1/bin/../lib/gcc/arm-none-eabi/4.2.3/../../../../arm-none-eabi/lib/libc.a(lib_a-writer.o): 
In function `_write_r':
writer.c:(.text+0x20): undefined reference to `_write'
/home/kishore/Drone/Projects/tools/arm-linux.cs2008q1/bin/../lib/gcc/arm-none-eabi/4.2.3/../../../../arm-none-eabi/lib/libc.a(lib_a-closer.o): 
In function `_close_r':
closer.c:(.text+0x18): undefined reference to `_close'
/home/kishore/Drone/Projects/tools/arm-linux.cs2008q1/bin/../lib/gcc/arm-none-eabi/4.2.3/../../../../arm-none-eabi/lib/libc.a(lib_a-fstatr.o): 
In function `_fstat_r':
fstatr.c:(.text+0x1c): undefined reference to `_fstat'
/home/kishore/Drone/Projects/tools/arm-linux.cs2008q1/bin/../lib/gcc/arm-none-eabi/4.2.3/../../../../arm-none-eabi/lib/libc.a(lib_a-isattyr.o): 
In function `_isatty_r':
isattyr.c:(.text+0x18): undefined reference to `_isatty'
/home/kishore/Drone/Projects/tools/arm-linux.cs2008q1/bin/../lib/gcc/arm-none-eabi/4.2.3/../../../../arm-none-eabi/lib/libc.a(lib_a-lseekr.o): 
In function `_lseek_r':
lseekr.c:(.text+0x20): undefined reference to `_lseek'
/home/kishore/Drone/Projects/tools/arm-linux.cs2008q1/bin/../lib/gcc/arm-none-eabi/4.2.3/../../../../arm-none-eabi/lib/libc.a(lib_a-readr.o): 
In function`_read_r':
readr.c:(.text+0x20): undefined reference to `_read'
collect2: ld returned 1 exit status
make[2]: *** [main] Error 1

/***error***/

Removing the printf statement compiles it but gives the output:

/home/kishore/Drone/Projects/tools/arm-linux.cs2008q1/bin/../lib/gcc/arm-none-eabi/4.2.3/../../../../arm-none-eabi/bin/ld: 
warning: cannot find entry symbol _start; defaulting to 00008018

This start address is of course not right as the at91sam7s256 (arm7tdmi) 
expects its vector table to be located at address 0x00. Further examining the 
disassembly and the MAP file does not reveal the vector table anywhere.

So am i doing something wrong or is that minimal example incorrect?
-- 
Cheers!
Kishore