From 7fb7b5c5cbe678bb1babf0dec2b70cfead46bde5 Mon Sep 17 00:00:00 2001
From: Alexander Bentkamp <bentkamp@gmail.com>
Date: Wed, 15 Nov 2023 18:18:47 +0100
Subject: [PATCH] chore: releases for web assembly and x86 Linux (#2855)

---
 .github/workflows/ci.yml | 18 ++++++++++++++----
 doc/setup.md             |  2 ++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77be55899c..9e7e8a08e8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -168,14 +168,24 @@ jobs:
             shell: nix-shell --arg pkgsDist "import (fetchTarball \"channel:nixos-19.03\") {{ localSystem.config = \"aarch64-unknown-linux-gnu\"; }}" --run "bash -euxo pipefail {0}"
             llvm-url: https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-x86_64-linux-gnu.tar.zst https://github.com/leanprover/lean-llvm/releases/download/15.0.1/lean-llvm-aarch64-linux-gnu.tar.zst
             prepare-llvm: EXTRA_FLAGS=--target=aarch64-unknown-linux-gnu ../script/prepare-llvm-linux.sh lean-llvm-aarch64-* lean-llvm-x86_64-*
+          - name: Linux 32bit
+            os: ubuntu-latest
+            # Use 32bit on stage0 and stage1 to keep oleans compatible
+            CMAKE_OPTIONS: -DSTAGE0_USE_GMP=OFF -DSTAGE0_LEAN_EXTRA_CXX_FLAGS='-m32' -DSTAGE0_LEANC_OPTS='-m32' -DSTAGE0_MMAP=OFF -DUSE_GMP=OFF -DLEAN_EXTRA_CXX_FLAGS='-m32' -DLEANC_OPTS='-m32' -DMMAP=OFF -DLEAN_INSTALL_SUFFIX=-linux_x86
+            cmultilib: true
+            release: true
+            cross: true
+            shell: bash -euxo pipefail {0}
           - name: Web Assembly
             os: ubuntu-latest
             # Build a native 32bit binary in stage0 and use it to compile the oleans and the wasm build
-            CMAKE_OPTIONS: -DCMAKE_C_COMPILER_WORKS=1 -DSTAGE0_USE_GMP=OFF -DSTAGE0_LEAN_EXTRA_CXX_FLAGS='-m32' -DSTAGE0_LEANC_OPTS='-m32' -DSTAGE0_CMAKE_CXX_COMPILER=clang++ -DSTAGE0_CMAKE_C_COMPILER=clang -DSTAGE0_CMAKE_EXECUTABLE_SUFFIX="" -DUSE_GMP=OFF -DMMAP=OFF -DSTAGE0_MMAP=OFF -DUSE_GMP=OFF -DCMAKE_AR=../emsdk/emsdk-main/upstream/emscripten/emar -DCMAKE_TOOLCHAIN_FILE=../emsdk/emsdk-main/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake
+            CMAKE_OPTIONS: -DCMAKE_C_COMPILER_WORKS=1 -DSTAGE0_USE_GMP=OFF -DSTAGE0_LEAN_EXTRA_CXX_FLAGS='-m32' -DSTAGE0_LEANC_OPTS='-m32' -DSTAGE0_CMAKE_CXX_COMPILER=clang++ -DSTAGE0_CMAKE_C_COMPILER=clang -DSTAGE0_CMAKE_EXECUTABLE_SUFFIX="" -DUSE_GMP=OFF -DMMAP=OFF -DSTAGE0_MMAP=OFF -DCMAKE_AR=../emsdk/emsdk-main/upstream/emscripten/emar -DCMAKE_TOOLCHAIN_FILE=../emsdk/emsdk-main/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake -DLEAN_INSTALL_SUFFIX=-linux_wasm32
             wasm: true
+            cmultilib: true
+            release: true
             cross: true
             shell: bash -euxo pipefail {0}
-            # Just a few selected test because wasm is slow
+            # Just a few selected tests because wasm is slow
             CTEST_OPTIONS: -R "leantest_1007\.lean|leantest_Format\.lean|leanruntest\_1037.lean|leanruntest_ac_rfl\.lean"
       # complete all jobs
       fail-fast: false
@@ -203,7 +213,7 @@ jobs:
         uses: cachix/install-nix-action@v18
         with:
           install_url: https://releases.nixos.org/nix/nix-2.12.0/install
-        if: matrix.os == 'ubuntu-latest' && !matrix.wasm
+        if: matrix.os == 'ubuntu-latest' && !matrix.cmultilib
       - name: Install MSYS2
         uses: msys2/setup-msys2@v2
         with:
@@ -225,7 +235,7 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y gcc-multilib g++-multilib ccache
-        if: matrix.wasm
+        if: matrix.cmultilib
       - name: Cache
         uses: actions/cache@v3
         with:
diff --git a/doc/setup.md b/doc/setup.md
index 6a2fbfbc24..12b24179cf 100644
--- a/doc/setup.md
+++ b/doc/setup.md
@@ -17,6 +17,8 @@ Issue reports and fixes are welcome.
 
 * aarch64 Linux with glibc 2.27+
 * aarch64 (Apple Silicon) macOS
+* x86 (32-bit) Linux
+* Emscripten Web Assembly
 
 <!--
 ### Tier 3