Timothy wrote: > And I tried > > # ./configure --with-dwarf2 > # make CFLAGS='-gdwarf-2 -g3' LIBCFLAGS='-gdwarf-2 -g3' > BOOT_CFLAGS='-gdwarf-2 -g3' I haven't done this for a while but I used to pass all the flags to configure too, i.e. # CFLAGS='-gdwarf-2 -g3' LIBCFLAGS='-gdwarf-2 -g3' BOOT_CFLAGS='-gdwarf-2 -g3' ./configure --with-dwarf2 # make CFLAGS='-gdwarf-2 -g3' LIBCFLAGS='-gdwarf-2 -g3' BOOT_CFLAGS='-gdwarf-2 -g3' or just export them in advance (shell-specific) export CFLAGS='-gdwarf-2 -g3' export LIBCFLAGS='-gdwarf-2 -g3' export BOOT_CFLAGS='-gdwarf-2 -g3' ./configure --with-dwarf2 make Note that BOOT_CFLAGS probably won't make any difference since you're not using "make bootstrap". If you're not building with a similar version of GCC then you might want to bootstrap the compiler instead, but it sounds like you know what you're doing! Rup.