Not stripped: $ cc -O hello.c $ file a.out a.out: ELF 32-bit MSB executable SPARC32PLUS Version 1, V8+ Required, dynamically linked, not stripped $ strings -a a.out | grep cc /opt/solarisstudio12.3/prod/bin/cc -O hello.c $ dwarfdump -i a.out | grep compile_o DW_AT_SUN_compile_options Xa;O;R=Sun C 5.12 SunOS_sparc Patch 148917-07 2013/10/18;backend;raw;cd; Stripped: $ strip a.out $ file a.out a.out: ELF 32-bit MSB executable SPARC32PLUS Version 1, V8+ Required, dynamically linked, stripped $ strings -a a.out | grep cc (none) |