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-rw-r--r--bare-arm/Makefile2
-rw-r--r--stmhal/Makefile2
-rw-r--r--teensy/Makefile2
3 files changed, 3 insertions, 3 deletions
diff --git a/bare-arm/Makefile b/bare-arm/Makefile
index 82312cd85..ed8c00482 100644
--- a/bare-arm/Makefile
+++ b/bare-arm/Makefile
@@ -13,7 +13,7 @@ INC += -I$(PY_SRC)
INC += -I$(BUILD)
CFLAGS_CORTEX_M4 = -mthumb -mtune=cortex-m4 -mabi=aapcs-linux -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fsingle-precision-constant -Wdouble-promotion
-CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 $(CFLAGS_CORTEX_M4) $(COPT)
+CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 -nostdlib $(CFLAGS_CORTEX_M4) $(COPT)
#Debugging/Optimization
ifeq ($(DEBUG), 1)
diff --git a/stmhal/Makefile b/stmhal/Makefile
index 5a801ced2..3cc98d7be 100644
--- a/stmhal/Makefile
+++ b/stmhal/Makefile
@@ -41,7 +41,7 @@ INC += -I$(FATFS_DIR)/src
INC += -I$(CC3K_DIR)
CFLAGS_CORTEX_M4 = -mthumb -mtune=cortex-m4 -mabi=aapcs-linux -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fsingle-precision-constant -Wdouble-promotion
-CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 $(CFLAGS_CORTEX_M4) $(COPT)
+CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 -nostdlib $(CFLAGS_CORTEX_M4) $(COPT)
CFLAGS += -Iboards/$(BOARD)
diff --git a/teensy/Makefile b/teensy/Makefile
index 00f351472..8244d52d3 100644
--- a/teensy/Makefile
+++ b/teensy/Makefile
@@ -23,7 +23,7 @@ INC += -I$(PY_SRC)
INC += -I$(BUILD)
INC += -I$(CORE_PATH)
-CFLAGS = $(INC) -Wall -ansi -std=gnu99 $(CFLAGS_CORTEX_M4)
+CFLAGS = $(INC) -Wall -ansi -std=gnu99 -nostdlib $(CFLAGS_CORTEX_M4)
LDFLAGS = -nostdlib -T mk20dx256.ld
LIBS = -L $(COMPILER_PATH)/../lib/gcc/arm-none-eabi/4.7.2/thumb2 -lgcc