qmk_firmware/lib/lufa/LUFA/StudioIntegration/lufa_toolchain.xml

<!--
             LUFA Library
     Copyright (C) Dean Camera, 2017.

  dean [at] fourwalledcubicle [dot] com
           www.lufa-lib.org
-->

<!-- Atmel Studio framework integration file -->

<lufa>
	<asf>
		<select-by-device id="common.utils.toolchain_config" caption="Toolchain configuration defaults">
			<module type="build-specific" id="common.utils.toolchain_config#avr" caption="Toolchain configuration defaults for 8-bit AVR">
				<info type="gui-flag" value="hidden"/>
				<device-support value="avr"/>

				<toolchain-config name="avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned" value="True" toolchain="avrgcc"/>
				<toolchain-config name="avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned" value="True" toolchain="avrgcc"/>
				<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="-mrelax -std=gnu99 -fno-strict-aliasing -fno-jump-tables" toolchain="avrgcc"/>
				<toolchain-config name="avrgcc.linker.optimization.GarbageCollectUnusedSections" value="True" toolchain="avrgcc"/>
				<toolchain-config name="avrgcc.linker.optimization.RelaxBranches" value="True" toolchain="avrgcc"/>
				<toolchain-config name="avrgcc.linker.miscellaneous.LinkerFlags" value="-Wl,--relax" toolchain="avrgcc"/>
			</module>
		</select-by-device>

		<module type="build-specific" id="common.utils.toolchain_config#uc3" caption="Toolchain configuration defaults for 32-bit AVR">
			<info type="gui-flag" value="hidden"/>
			<device-support value="uc3"/>

			<toolchain-config name="avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned" value="True" toolchain="avr32gcc"/>
			<toolchain-config name="avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned" value="True" toolchain="avr32gcc"/>
			<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="-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"/>
			<toolchain-config name="avr32gcc.linker.miscellaneous.LinkerFlags" value="-Wl,--relax" toolchain="avr32gcc"/>
		</module>
	</asf>
</lufa>