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Building file: ../src/application.cpp
Invoking: ARM GCC CPP Compiler
mkdir -p obj/src/
arm-none-eabi-gcc -g3 -gdwarf-2 -Os -mcpu=cortex-m3 -mthumb  -I../inc -I../libraries/Serial2 -I../../core-common-lib/CMSIS/Include -I../../core-common-lib/CMSIS/Device/ST/STM32F10x/Include -I../../core-common-lib/STM32F10x_StdPeriph_Driver/inc -I../../core-common-lib/STM32_USB-FS-Device_Driver/inc -I../../core-common-lib/CC3000_Host_Driver -I../../core-common-lib/SPARK_Firmware_Driver/inc -I../../core-common-lib/SPARK_Services/inc -I../../core-communication-lib/lib/tropicssl/include -I../../core-communication-lib/src -I. -ffunction-sections -Wall -fmessage-length=0 -Werror=deprecated-declarations -MD -MP -MF obj/src/application.o.d -DUSE_STDPERIPH_DRIVER -DSTM32F10X_MD -DDFU_BUILD_ENABLE -DSPARK=1 -DRELEASE_BUILD -fno-rtti -fno-exceptions -c -o obj/src/application.o ../src/application.cpp
In file included from ../inc/Firmata.h:16:0,
                 from ../src/application.cpp:33:
../inc/Boards.h: In function 'unsigned char writePort(byte, byte, byte)':
../inc/Boards.h:172:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
../src/application.cpp: In function 'void sysexCallback(byte, byte, byte*)':
../src/application.cpp:400:58: warning: 'queryIndexToSkip' may be used uninitialized in this function [-Wmaybe-uninitialized]
                         for (byte i = queryIndexToSkip; i<queryIndex + 1; i++) {
                                                          ^

make: *** No rule to make target `obj/src/Firmata.o', needed by `core-firmware.elf'.  Stop.