diff options
Diffstat (limited to 'LUFA/Build')
| -rw-r--r-- | LUFA/Build/lufa_build.mk | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/LUFA/Build/lufa_build.mk b/LUFA/Build/lufa_build.mk index 1bdfa1d72..b9b144aee 100644 --- a/LUFA/Build/lufa_build.mk +++ b/LUFA/Build/lufa_build.mk @@ -199,6 +199,12 @@ ifeq ($(LINKER_RELAXATIONS), Y) BASE_CC_FLAGS += -mrelax endif +# This flag is required for bootloaders as GCC will emit invalid jump table +# assembly code for devices with large amounts of flash; the jump table target +# is extracted from FLASH without using the correct ELPM instruction, resulting +# in a pseudo-random jump target. +BASE_CC_FLAGS += -fno-jump-tables + # Additional language specific compiler flags BASE_C_FLAGS := -x c -O$(OPTIMIZATION) -std=$(C_STANDARD) -Wstrict-prototypes BASE_CPP_FLAGS := -x c++ -O$(OPTIMIZATION) -std=$(CPP_STANDARD) |