Fix corrupted disassembly listing (LSS) files due to linker relaxations; pass -mrelax to the compiler to make it aware of, and able to compensate for, linker relaxations.

LUFA/Build/lufa_build.mk

@@ -192,6 +192,9 @@ BASE_CC_FLAGS += -DARCH=ARCH_$(ARCH) -DBOARD=BOARD_$(BOARD) -DF_USB=$(F_USB)UL
 ifneq ($(F_CPU),)
    BASE_CC_FLAGS += -DF_CPU=$(F_CPU)UL
 endif
+ifeq ($(LINKER_RELAXATIONS), Y)
+BASE_CC_FLAGS += -mrelax
+endif
 
 # Additional language specific compiler flags
 BASE_C_FLAGS   := -x c -O$(OPTIMIZATION) -std=$(C_STANDARD) -Wstrict-prototypes

LUFA/StudioIntegration/lufa_toolchain.xml

@@ -20,7 +20,7 @@
 				<toolchain-config name="avrgcc.compiler.optimization.OtherFlags" value="-fdata-sections" toolchain="avrgcc"/>
 				<toolchain-config name="avrgcc.compiler.optimization.PrepareFunctionsForGarbageCollection" value="True" toolchain="avrgcc"/>
 				<toolchain-config name="avrgcc.compiler.warnings.AllWarnings" value="True" toolchain="avrgcc"/>
-				<toolchain-config name="avrgcc.compiler.miscellaneous.OtherFlags" value="-std=gnu99 -fno-strict-aliasing" toolchain="avrgcc"/>
+				<toolchain-config name="avrgcc.compiler.miscellaneous.OtherFlags" value="-mrelax -std=gnu99 -fno-strict-aliasing" toolchain="avrgcc"/>
 				<toolchain-config name="avrgcc.linker.optimization.GarbageCollectUnusedSections" value="True" toolchain="avrgcc"/>
 				<toolchain-config name="avrgcc.linker.optimization.RelaxBranches" value="True" toolchain="avrgcc"/>
 			</module>
@@ -35,7 +35,7 @@
 			<toolchain-config name="avr32gcc.compiler.optimization.OtherFlags" value="-fdata-sections" toolchain="avr32gcc"/>
 			<toolchain-config name="avr32gcc.compiler.optimization.PrepareFunctionsForGarbageCollection" value="True" toolchain="avr32gcc"/>
 			<toolchain-config name="avr32gcc.compiler.warnings.AllWarnings" value="True" toolchain="avr32gcc"/>
-			<toolchain-config name="avr32gcc.compiler.miscellaneous.OtherFlags" value="-std=gnu99 -fno-strict-aliasing -mno-cond-exec-before-reload" toolchain="avr32gcc"/>
+			<toolchain-config name="avr32gcc.compiler.miscellaneous.OtherFlags" value="-mrelax -std=gnu99 -fno-strict-aliasing -mno-cond-exec-before-reload" toolchain="avr32gcc"/>
 			<toolchain-config name="avr32gcc.linker.optimization.GarbageCollectUnusedSections" value="True" toolchain="avr32gcc"/>
 			<toolchain-config name="avr32gcc.linker.optimization.RelaxBranches" value="True" toolchain="avr32gcc"/>
 		</module>