altos/stm32f4: Add -mfloat-abi=hard compile option

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/stm32f4/Makefile-stm32f4.defs b/src/stm32f4/Makefile-stm32f4.defs
index 1c87b5b004c368bdc6161f5b48eb81432f940496..9c2e870e94bb902e62bc71a0cdaf844a01908e73 100644 (file)
--- a/src/stm32f4/Makefile-stm32f4.defs
+++ b/src/stm32f4/Makefile-stm32f4.defs
@@ -9,5 +9,5 @@ vpath % $(TOPDIR)/stm32f4:$(AO_VPATH)
 CC=$(ARM_CC)
 LIBS=-L$(NEWLIB_NANO)/arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard -lc -lm -lgcc
 
-STM32F4_CFLAGS=-mlittle-endian -mcpu=cortex-m4 -mthumb \
+STM32F4_CFLAGS=-mlittle-endian -mcpu=cortex-m4 -mthumb -mfloat-abi=hard \
        -I$(TOPDIR)/stm32f4 $(AO_CFLAGS) $(NEWLIB_CFLAGS)