We seem to set CPPFLAGS to include RELFLAGS but I'm wondering how PLATFORM_ RELFLAGS is suppose to differ from PLATFORM_CPPFLAGS. I especially love the following: cpu/i386/config.mk:PLATFORM_RELFLAGS += cpu/nios/config.mk:PLATFORM_RELFLAGS += cpu/nios2/config.mk:PLATFORM_RELFLAGS += (Yes they are blank after the +=) - k