xtensa-lx106-elf-g++ file not found but it actually exists
after a deep understanding it look like this file /root/.arduino15/packages/esp8266/hardware/esp8266/3.1.2 Error during build: fork/exec /root/.arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/3.1.0-gcc10.3-e5f9fec/bin/xtensa-lx106-elf-g++
is not missing but fork/exec
is missing
what is fork/exec and how to solve this issue