Compile stm32-f4 library with floating point support.

This enables hard-float in the compilation of library and examples for the stm32f40* chips.
2012-08-22 00:05:09 -04:00
parent c9ab75878f
commit 584052c28c
2 changed files with 5 additions and 3 deletions
--- a/lib/stm32/f4/Makefile
+++ b/lib/stm32/f4/Makefile
@@ -24,7 +24,8 @@ PREFIX	?= arm-none-eabi
 CC		= $(PREFIX)-gcc
 AR		= $(PREFIX)-ar
 CFLAGS		= -Os -g -Wall -Wextra -I../../../include -fno-common \
-		  -mcpu=cortex-m3 -mthumb -Wstrict-prototypes \
+		  -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 \
+		  -Wstrict-prototypes \
 		  -ffunction-sections -fdata-sections -MD -DSTM32F4
 # ARFLAGS	= rcsv
 ARFLAGS		= rcs