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Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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Siddharth Bhat dfb5548cab fix: update libleanrt.bc, rename to lean.h.bc 
This adds `lean.h.bc`, a LLVM bitcode file of the Lean
runtime that is to be inlined. This is programatically generated.

1. This differs from the previous `libleanrt.ll`, since it produces an
   LLVM bitcode file, versus a textual IR file. The bitcode file
   is faster to parse and build an in-memory LLVM module from.
2. We build `lean.h.bc` by adding it as a target to `shell`,
   which ensures that it is always built.

3. We eschew the need for:

```cpp
```

which causes breakage in the build, since changing the meaning of
`static` messes with definitions in the C++ headers.

Instead, we build `lean.h.bc` by copying everything in
`src/include/lean/lean.h`, renaming `inline` to
`__attribute__(alwaysinline)` [which forces LLVM to generate
`alwaysinline` annotations], then running the `-O3` pass pipeline
to get reasonably optimised IR, and will be perfectly inlined
when linked into the generated LLVM code by
`src/Lean/Compiler/IR/EmitLLVM.lean`.

Co-authored-by: Sebastian Ullrich <sebasti@nullri.ch>
2022-11-28 16:20:12 +01:00
.github chore: CI: allow releases not starting with v 2022-11-23 16:42:37 -08:00
.vscode doc: fix some syntax and link in the docs, and more 2021-10-10 11:36:43 +02:00
doc doc: examples for Certora tutorial 2022-11-21 17:02:28 -08:00
images chore(CMakeLists.txt): move Lean logo to make sure we can test leanemacs without installing Lean 2015-01-31 17:38:49 -08:00
nix fix: update libleanrt.bc, rename to lean.h.bc 2022-11-28 16:20:12 +01:00
script chore: fix script/reformat.lean 2022-11-28 15:47:17 +01:00
src fix: update libleanrt.bc, rename to lean.h.bc 2022-11-28 16:20:12 +01:00
stage0 chore: update stage0 2022-11-24 12:57:43 -08:00
tests fix: fixes #1886 2022-11-28 06:50:44 -08:00
.gitattributes chore: fix changelog path... 2022-02-09 09:42:17 +01:00
.gitignore chore: avoid xargs in update-stage0 2022-11-20 10:22:20 -08:00
.gitmodules chore: add ignore = untracked 2021-10-18 14:39:43 -07:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt fix: forward USE_GMP to stage 0 2021-12-02 15:52:48 +01:00
CONTRIBUTING.md doc: fix a few links 2021-11-09 09:55:11 +01:00
default.nix doc: setup 2021-01-03 13:21:58 +01:00
flake.lock chore: Nix: comment out rarely used lean-stage0 input 2022-11-14 13:12:07 +01:00
flake.nix chore: Nix: comment out rarely used lean-stage0 input 2022-11-14 13:12:07 +01:00
LICENSE chore: remove LICENSE header that confused GitHub 2021-11-18 09:42:35 +01:00
LICENSES chore: add GMP license for now 2021-11-18 09:42:35 +01:00
README.md doc: add new bullet 2022-06-30 19:17:29 -07:00
RELEASES.md doc: update changelog 2022-11-24 03:08:45 +00:00
shell.nix chore: bundle libatomic in releases 2022-11-23 16:42:37 -08:00

README.md

This is the repository for Lean 4, which is currently being released as milestone releases towards a first stable release. Lean 3 is still the latest stable release.

About

Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.