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Use clang-18 from apt.llvm.org for the wasm build on 22.04 runners

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clang-15 got past the C23 [[noreturn]] error but still fails compiling
sqlite-wasm-rs for wasm32: its stdint.h falls through to host glibc headers
(bits/libc-header-start.h not found). clang-18 handles wasm32 as freestanding
and compiles it (it is what ubuntu-24.04 uses). 22.04's repos stop at clang-15,
so install 18 from apt.llvm.org. Runners stay on 22.04 to keep the glibc floor.
This commit is contained in:
Gregory Schier
2026-08-16 22:54:34 -07:00
parent 5cce23566a
commit 2d2a390bfd
1 changed files with 12 additions and 6 deletions
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.github/workflows/release-app.yml
+12 -6
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@@ -102,13 +102,19 @@ jobs:
if: matrix.os == 'ubuntu'
run: |
sudo apt-get update
sudo apt-get install -y cmake ninja-build libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev libnss3 patchelf xdg-utils clang-15 llvm-15
sudo apt-get install -y cmake ninja-build libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev libnss3 patchelf xdg-utils
# crates/yaak-web compiles SQLite to wasm via sqlite-wasm-rs, whose C shim
# uses C23 [[noreturn]]. Ubuntu 22.04's default clang-14 rejects it; clang-15
# from the same repos accepts it. Only the wasm build uses this compiler, so
# the shipped binary keeps 22.04's glibc floor.
echo "CC_wasm32_unknown_unknown=/usr/bin/clang-15" >> "$GITHUB_ENV"
echo "AR_wasm32_unknown_unknown=/usr/bin/llvm-ar-15" >> "$GITHUB_ENV"
# uses C23 [[noreturn]] and expects a freestanding wasm32 target. Ubuntu
# 22.04 ships only clang <=15: 14 rejects the attribute, and 15 falls
# through to host glibc headers ("bits/libc-header-start.h" not found).
# clang-18 handles it (it is what ubuntu-24.04 uses). Install it from
# apt.llvm.org since 22.04's repos stop at 15. Only the wasm build uses
# this compiler, so the shipped binary keeps 22.04's glibc floor.
wget -qO /tmp/llvm.sh https://apt.llvm.org/llvm.sh
chmod +x /tmp/llvm.sh
sudo /tmp/llvm.sh 18
echo "CC_wasm32_unknown_unknown=/usr/bin/clang-18" >> "$GITHUB_ENV"
echo "AR_wasm32_unknown_unknown=/usr/bin/llvm-ar-18" >> "$GITHUB_ENV"
- name: Install Protoc for plugin-runtime
uses: arduino/setup-protoc@v3