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Created July 11, 2023 02:32
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How to bootstrap Nim
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HOWTO.md

Building the compiler

Which version do you want to install?

VERSION=v1.6.14

Clone the Nim repo

git clone --depth 1 --branch $VERSION https://github.com/nim-lang/Nim

Clone the csources for an earlier Nim version

cd Nim && git clone --depth 1 https://github.com/nim-lang/csources_v1 csources

Build the csources

pushd csources && sh build.sh

Go back into the Nim directory and compile Koch

popd && bin/nim c koch

Get Koch to compile the newer Nim version

./koch boot -d:release

Your new Nim™ will be in bin/nim. Enjoy!

Building Nimble

Literally just:

./koch nimble

Notes

  • The bottleneck here is compiling Koch; depending on the combination of csources and Nim repo version it may or may not work. Building csources itself however should always work.
  • Nimble at the moment wants to dynamically link with OpenSSL 1.1.
  • You also want cacert.pem to be accessible to Nimble to be able to download packages.
  • I've tested with MSYS2 MinGW64 environment (2023-05-26 snapshot). Works on my machine!
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