Prebuilt GNU toolchain for esp32

The following releases are available:

Binutils GCC libc GDB Download link
2.25 5.2.0 ESP-IDF 2.1 7.10 esp32-gcc5.2.0-r7.exe
2.25 5.2.0 ESP-IDF 2.0 7.10 esp32-gcc5.2.0.exe
2.25.1 4.8.5 ESP-IDF 1.0 7.10 esp32-gcc4.8.5.exe
2.25.1 4.8.5 ESP-IDF 20161120 (Pre-release) 7.10 esp32-gcc4.8.5.exe

All toolchains come with a convenient one-click installer:

Screenshot

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