In file included from C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\libraries\SPI\/SPI.h:15, from C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\libraries\SPI\SPI.cpp:12: C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/pins_arduino.h:66: error: previous declaration of 'const uint16_t port_to_mode_PGM []' with 'C++' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/Arduino.h:126: error: conflicts with new declaration with 'C' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/pins_arduino.h:67: error: previous declaration of 'const uint16_t port_to_input_PGM []' with 'C++' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/Arduino.h:127: error: conflicts with new declaration with 'C' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/pins_arduino.h:68: error: previous declaration of 'const uint16_t port_to_output_PGM []' with 'C++' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/Arduino.h:128: error: conflicts with new declaration with 'C' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/pins_arduino.h:70: error: previous declaration of 'const uint8_t digital_pin_to_port_PGM []' with 'C++' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/Arduino.h:130: error: conflicts with new declaration with 'C' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/pins_arduino.h:72: error: previous declaration of 'const uint8_t digital_pin_to_bit_mask_PGM []' with 'C++' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/Arduino.h:132: error: conflicts with new declaration with 'C' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/pins_arduino.h:73: error: previous declaration of 'const uint8_t digital_pin_to_timer_PGM []' with 'C++' linkage C:\Users\Metalshadow\Downloads\arduino\arduino-1.0\hardware\arduino\cores\arduino/Arduino.h:133: error: conflicts with new declaration with 'C' linkage