mcasadevall@daybreak:/tmp$ uname -a
Linux daybreak 2.6.38-2-generic #29-Ubuntu SMP Fri Feb 4 13:03:04 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
mcasadevall@daybreak:/tmp$ gcc -O2 test.c
test.c: In function ‘main’:
test.c:3:13: warning: cast from pointer to integer of different size
test.c:3:25: warning: incompatible implicit declaration of built-in function ‘printf’
Amendment: Also occurs on amd64
mcasadevall@ daybreak: /tmp$ uname -a daybreak: /tmp$ gcc -O2 test.c
Linux daybreak 2.6.38-2-generic #29-Ubuntu SMP Fri Feb 4 13:03:04 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
mcasadevall@
test.c: In function ‘main’:
test.c:3:13: warning: cast from pointer to integer of different size
test.c:3:25: warning: incompatible implicit declaration of built-in function ‘printf’