Prebuilt GNU toolchain for esp8266

The following releases are available:

Binutils GCC libc GDB Download link
2.24 5.2.0 Newlib 2.0.0 7.11 esp8266-gcc5.2.0-r9.exe
2.24 5.2.0 Newlib 2.0.0 7.11 esp8266-gcc5.2.0-r8.exe
2.24 5.2.0 Newlib 2.0.0 7.5.1 esp8266-gcc5.2.0-r6.exe

All toolchains come with a convenient one-click installer:

Screenshot

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