------ Build started: Project: GccApplication1, Configuration: Debug AVR ------ Build started. Project "GccApplication1.cppproj" (default targets): Target "PreBuildEvent" skipped, due to false condition; ('$(PreBuildEvent)'!='') was evaluated as (''!=''). Target "CoreBuild" in file "C:\Program Files (x86)\Atmel\Studio\7.0\Vs\Compiler.targets" from project "F:\Projekte\MC\Atmel\GccApplication1\GccApplication1\GccApplication1.cppproj" (target "Build" depends on it): Task "RunCompilerTask" Shell Utils Path C:\Program Files (x86)\Atmel\Studio\7.0\shellUtils C:\Program Files (x86)\Atmel\Studio\7.0\shellUtils\make.exe all --jobs 4 --output-sync Building file: .././main.cpp Invoking: AVR8/GNU C Compiler : 5.4.0 "C:\Program Files (x86)\Atmel\Studio\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-g++.exe" -funsigned-char -funsigned-bitfields -DDEBUG -I"C:\Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.209\include" -O1 -ffunction-sections -fdata-sections -fpack-struct -fshort-enums -g2 -Wall -mmcu=atmega32u4 -B "C:\Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.209\gcc\dev\atmega32u4" -c --version -MD -MP -MF "main.d" -MT"main.d" -MT"main.o" -o "main.o" ".././main.cpp" avr-g++.exe (AVR_8_bit_GNU_Toolchain_3.6.1_1750) 5.4.0 Copyright (C) 2015 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Finished building: .././main.cpp Building target: GccApplication1.elf Invoking: AVR8/GNU Linker : 5.4.0 "C:\Program Files (x86)\Atmel\Studio\7.0\toolchain\avr8\avr8-gnu-toolchain\bin\avr-g++.exe" -o GccApplication1.elf main.o -Wl,-Map="GccApplication1.map" -Wl,--start-group -Wl,-lm -Wl,--end-group -Wl,--gc-sections -mmcu=atmega32u4 -B "C:\Program Files (x86)\Atmel\Studio\7.0\Packs\atmel\ATmega_DFP\1.2.209\gcc\dev\atmega32u4" F:\Projekte\MC\Atmel\GccApplication1\GccApplication1\Debug\Makefile(106,1): error: recipe for target 'GccApplication1.elf' failed avr-g++.exe(0,0): error: main.o: No such file or directory make: *** [GccApplication1.elf] Error 1 The command exited with code 2. Done executing task "RunCompilerTask" -- FAILED. Done building target "CoreBuild" in project "GccApplication1.cppproj" -- FAILED. Done building project "GccApplication1.cppproj" -- FAILED. Build FAILED. ========== Build: 0 succeeded or up-to-date, 1 failed, 0 skipped ==========