12.10.2012 10:47, m9802119 kirjoitti: > hello: > > I tried to build tic6x cross compiler in recent days, but always fail. > > after installation, I haved compile the .c file. Then the error occur. The message as shown in below: > > $ tic6x-elf-gcc helloworld.c > /usr/local/c6x/lib/gcc/tic6x-elf/4.7.2/../../../../tic6x-elf/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000000008100 > /usr/local/c6x/lib/gcc/tic6x-elf/4.7.2/../../../../tic6x-elf/lib/libc.a(lib_a-sbrkr.o): In function `_sbrk_r': > /home/spirits/src/build-newlib/tic6x-elf/newlib/libc/reent/../../../../../newlib-1.20.0/newlib/libc/reent/sbrkr.c:58: undefined reference to `sbrk' > Every thing is OK when I build arm cross compiler and compile the .c or .cpp files. > Can you tell me what happen and how to solve it ? > You should learn what a "real target" is and how to link apps for it, what are start files, 'crt*.o', what low-level routines for the hardware, linker scripts etc...
