-flto combined with -static doesn't seem to do anything for me: $ gcc -O3 foo.c -flto -static -o foo $ du -sh foo 828K foo $ strip foo $ du

-flto combined with -static doesn't seem to do anything for me: $ gcc -O3 foo.c -flto -static -o foo $ du -sh foo 828K foo $ strip foo $ du -sh foo 760K foo Could you post a complete command line and the version of the compiler you have showing how to make this work with static linking?