On 04/04/2011 11:39 AM, Jiri Olsa wrote: > Andrew wrote: >> Try -ffunction-sections . > > that did not help, I stil can see the dead code in the final > executable. I tried it together with some of the -O options but > that did not help as well.. > > any other ideas? Please don't top-post on gcc lists. > ps please keep me in CC as I'm not subscribed to the list, thanks That works for me. You'll have to tell us what you did. $ gcc a.c b.c -ffunction-sections $ nm a.out | grep -i ' t ' 00000000004005b0 t __do_global_ctors_aux 0000000000400430 t __do_global_dtors_aux 00000000004005a0 T __libc_csu_fini 0000000000400510 T __libc_csu_init 00000000004005e8 T _fini 0000000000400390 T _init 00000000004003e0 T _start 000000000040040c t call_gmon_start 00000000004004a0 t frame_dummy 00000000004004f4 T krava 00000000004004d9 T main Andrew.