altos/arm: Align data so that gcc 5.4 doesn't do byte-accesses. Add -Wcast-align

[fw/altos] / src / stm / Makefile.defs

diff --git a/src/stm/Makefile.defs b/src/stm/Makefile.defs
index c3d2707faf76dae341d4b86943c58ce0e0b52242..0ba86f5abef6352ed365e99f8ab505de4f8e8ff6 100644 (file)
--- a/src/stm/Makefile.defs
+++ b/src/stm/Makefile.defs
@@ -27,7 +27,7 @@ LIBS=$(PDCLIB_LIBS_M3) -lgcc
 WARN_FLAGS=-Wall -Wextra -Werror
 
 AO_CFLAGS=-I. -I../stm -I../kernel -I../drivers -I../math -I.. $(PDCLIB_INCLUDES)
-STM_CFLAGS=-std=gnu99 -mlittle-endian -mcpu=cortex-m3 -mthumb \
+STM_CFLAGS=-std=gnu99 -mlittle-endian -mcpu=cortex-m3 -mthumb -Wcast-align \
        -ffreestanding -nostdlib $(AO_CFLAGS) $(WARN_FLAGS)
 
 LDFLAGS=-L../stm -Wl,-Taltos.ld