CONFIGURE_FLAGS_STAGE3 = $(CONFIGURE_FLAGS_STAGE2)
CONFIGURE_FLAGS_STAGE1 += $(USE_BOOT_CONFIGURE_FLAGS)
CONFIGURE_FLAGS_STAGE2 += $(USE_STAGE1_CONFIGURE_FLAGS)
CONFIGURE_FLAGS_STAGE3 += $(USE_STAGE2_CONFIGURE_FLAGS)
CONFIGURE_FLAGS_STAGE3 = $(CONFIGURE_FLAGS_STAGE2)
CONFIGURE_FLAGS_STAGE1 += $(USE_BOOT_CONFIGURE_FLAGS)
CONFIGURE_FLAGS_STAGE2 += $(USE_STAGE1_CONFIGURE_FLAGS)
CONFIGURE_FLAGS_STAGE3 += $(USE_STAGE2_CONFIGURE_FLAGS)