Disable linker relaxations for the UC3 architecture, as this does not appear...

Disable linker relaxations for the UC3 architecture, as this does not appear to be supported in the linker.

LUFA/Build/lufa.build.in

@@ -93,7 +93,7 @@ ASM_SOURCE = $(filter %.S, $(SRC))
 OBJECT_FILES = $(filter %.o, $(C_SOURCE:%.c=%.o) $(CPP_SOURCE:%.cpp=%.o) $(ASM_SOURCE:%.S=%.o))
 
 # Create a list of flags to pass to the compiler
-ifeq ($(ARCH),AVR8)
+ifneq ($(ARCH), AVR8)
  CC_FLAGS += -mmcu=$(MCU) -gdwarf-2 -fshort-enums -fno-inline-small-functions -fpack-struct
  CROSS     = avr-
 else ifeq ($(ARCH), XMEGA)
@@ -112,7 +112,10 @@ ifneq ($(F_CPU),)
 endif
 
 # Create a list of flags to pass to the linker
-LD_FLAGS += -Wl,-Map=$(TARGET).map,--cref -Wl,--relax -Wl,--gc-sections -lm
+LD_FLAGS += -Wl,-Map=$(TARGET).map,--cref -Wl,--gc-sections -lm
+ifneq ($(F_CPU), UC3)
+   LD_FLAGS += -Wl,--relax
+endif
 
 # Create a list of unknown source file types, if any are found throw an error
 UNKNOWN_SOURCE = $(filter-out $(C_SOURCE) $(CPP_SOURCE) $(ASM_SOURCE), $(SRC))