🤔 Issue

I am trying to compile a sketch in "Arduino IDE 1.8.9" for ATtiny10 and i am always getting these errors:

• When Using ATTiny10 Core

"C:\\Users\\gxous\\AppData\\Local\\Arduino15\\packages\\arduino\\tools\\avr-gcc\\7.3.0-atmel3.6.1-arduino5/bin/avr-gcc" -w -Os -g -flto -fuse-linker-plugin -Wl,--gc-sections -mmcu=attiny10 -o "C:\\Users\\gxous\\AppData\\Local\\Temp\\arduino_build_433979/testat10_nov26a.ino.elf""C:\\Users\\gxous\\AppData\\Local\\Temp\\arduino_build_433979\\sketch\\testat10_nov26a.ino.cpp.o""C:\\Users\\gxous\\AppData\\Local\\Temp\\arduino_build_433979/core\\core.a""-LC:\\Users\\gxous\\AppData\\Local\\Temp\\arduino_build_433979" -lm
c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: cannot find crtattiny10.o: No such file or directory

c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: skipping incompatible c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/lib\libm.a when searching for -lm

c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: cannot find -lm

c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: skipping incompatible c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0\libgcc.a when searching for -lgcc

c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: cannot find -lgcc

c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: skipping incompatible c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/lib\libm.a when searching for -lm

c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: cannot find -lm

c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: skipping incompatible c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/lib\libc.a when searching for -lc

c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: cannot find -lc

c:/users/gxous/appdata/local/arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino5/bin/../lib/gcc/avr/7.3.0/../../../../avr/bin/ld.exe: cannot find -lattiny10

collect2.exe: error: ld returned 1 exit status

exit status 1
Error compiling for board ATtiny10/9/5/4.

• When Using bitduino10

...
same errors
...
Error compiling for board ATtiny10 (bitDuino10-arduinoTPI).

📋 Infos

• ATtiny10 Dev Environment on Arduino IDE
• "file>preferences"

  https://kimio-kosaka.github.io/bitDuino10-arduinoTPI/package_bitDuino10-arduinoTPI_index.json
  https://raw.githubusercontent.com/vitasimek/attiny10core/master/package_attiny10core_index.json

💛 Outro

if i wasn't informative enough about the issue, please let me know

Any idea?

Thanks in advance,

George