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Diffstat (limited to 'Makefile.flags')
| -rw-r--r-- | Makefile.flags | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile.flags b/Makefile.flags index 2bc83d1d9..b6cd32e42 100644 --- a/Makefile.flags +++ b/Makefile.flags @@ -56,6 +56,9 @@ CFLAGS += $(call cc-option,-falign-functions=1 -falign-jumps=1 -falign-labels=1 # Defeat .eh_frame bloat (gcc 4.6.3 x86-32 defconfig: 20% smaller busybox binary): CFLAGS += $(call cc-option,-fno-unwind-tables,) CFLAGS += $(call cc-option,-fno-asynchronous-unwind-tables,) +# No automatic printf->puts,putchar conversions +# (try disabling this and comparing assembly, it's instructive) +CFLAGS += $(call cc-option,-fno-builtin-printf,) # FIXME: These warnings are at least partially to be concerned about and should # be fixed.. |