makefile

[xkszltl]

make -C sample/
make[1]: Entering directory /home/ubuntu/c_enviroment/sample' g++ -I. -I/home/ubuntu/c_enviroment/sample/../ -I/home/ubuntu/c_enviroment/sample/..//hardware -I/home/ubuntu/c_enviroment/sample/..//hardware/arduino -I/home/ubuntu/c_enviroment/sample/..//hardware/arduino/cores -I/home/ubuntu/c_enviroment/sample/..//hardware/arduino/cores/arduino -I/home/ubuntu/c_enviroment/sample/..//hardware/arduino/variants -I/home/ubuntu/c_enviroment/sample/..//hardware/arduino/variants/sunxi -I/home/ubuntu/c_enviroment/sample/..//libraries -I/home/ubuntu/c_enviroment/sample/..//libraries/Serial -I/home/ubuntu/c_enviroment/sample/..//libraries/SPI -I/home/ubuntu/c_enviroment/sample/..//libraries/Wire -I/home/ubuntu/c_enviroment/sample/..//libraries/LiquidCrystal -I/home/ubuntu/c_enviroment/sample/..//libraries/PN532_SPI -I/home/ubuntu/c_enviroment/sample/..//libraries/I2CDev -I/home/ubuntu/c_enviroment/sample/..//libraries/CalLib -I/home/ubuntu/c_enviroment/sample/..//libraries/MPU9150Lib -I/home/ubuntu/c_enviroment/sample/..//libraries/MotionDriver mpu9150_test.c -o ../output/test/mpu9150_test ../libarduino.a In file included from /home/ubuntu/c_enviroment/sample/..//hardware/arduino/cores/arduino/Stream.h:26:0, from /home/ubuntu/c_enviroment/sample/..//libraries/Wire/Wire.h:9, from mpu9150_test.c:1: /home/ubuntu/c_enviroment/sample/..//hardware/arduino/cores/arduino/Print.h:47:23: error: ‘byte’ has not been declared In file included from mpu9150_test.c:1:0: /home/ubuntu/c_enviroment/sample/..//libraries/Wire/Wire.h:41:23: error: ‘byte’ has not been declared make[1]: *** [all] Error 1 make[1]: Leaving directory/home/ubuntu/c_enviroment/sample'
make: *** [all] Error 2

byte is declared in Arduino.h but it only included in Print.cpp.