> > Here's what happens under redhat 5.0. I configure with CFLAGS=-O and > run "make" with CFLAGS=-O. As soon as the bootstrap starts in the > gcc/ directory, a -g appears in the compiler arguments and the -O is > gone. > That is normal, which is how bootstrap works. If you wait until the build finishes, you will see the latest compiler is compiled with -O. H.J.