1 files changed, 8 insertions, 1 deletions

diff --git a/tmk_core/common.mk b/tmk_core/common.mk
index aa8a0eb7a..63de7c7ed 100644
--- a/tmk_core/common.mk
+++ b/tmk_core/common.mk
@@ -1,3 +1,5 @@
+PRINTF_PATH = $(LIB_PATH)/printf
+
 COMMON_DIR = common
 PLATFORM_COMMON_DIR = $(COMMON_DIR)/$(PLATFORM_KEY)
 
@@ -21,7 +23,12 @@ TMK_COMMON_SRC +=	$(COMMON_DIR)/host.c \
 ifeq ($(PLATFORM),AVR)
   TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/xprintf.S
 else ifeq ($(PLATFORM),CHIBIOS)
-  TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/printf.c
+  TMK_COMMON_SRC += $(PRINTF_PATH)/printf.c
+  TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_FLOAT
+  TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_EXPONENTIAL
+  TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_LONG_LONG
+  TMK_COMMON_DEFS += -DPRINTF_DISABLE_SUPPORT_PTRDIFF_T
+  VPATH += $(PRINTF_PATH)
 else ifeq ($(PLATFORM),ARM_ATSAM)
   TMK_COMMON_SRC += $(PLATFORM_COMMON_DIR)/printf.c
 endif