This isn’t a real ‘tutorial’ tutorial, but since I spent a few hours building the ESP3x cross compiler on Windows, and hit just about every issue that could come up, here’s my notes!
If you just want the ESP31/32 toolchain, I have the output available for download here.
You might think “oh i will use msys or mingw since i know those” but you are wrong. You have to use cygwin, mingw/msys is way too out of date. There, you just saved yourself an hour of messing with mingw!
Install a ton of packages
You’ll need the usual developer tools, make, autoconf, bison, byacc, yacc, python, nano (if you’re not into vi)
Here’s a list of all the packages I had installed by the time I was done – you can compare with your list by running cygcheck -c after cygwin is installed
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