xtensa-esp32-elf

• binutils binutils for xtensa-esp32-elf cross-development
• gcc gcc for xtensa-esp32-elf cross-development
• gcc-bootstrap bootstrap compiler for xtensa-esp32-elf cross-development
• gdb gdb for xtensa-esp32-elf cross-development
• newlib newlib for xtensa-esp32-elf cross-development