Skip to content

Disable LLVM warnings and enable LTO in emscripten build #487

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
kvpanch merged 2 commits into from
Mar 4, 2026
Merged

Disable LLVM warnings and enable LTO in emscripten build #487

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
a29e9fe
Disable LLVM warnings and enable LTO in emscripten build
kvpanch Mar 3, 2026
1e4b0fa
trigger ci
kvpanch Mar 4, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 3 additions & 4 deletions crates/llvm-builder/src/platforms/wasm32_emscripten.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,7 @@ fn build_host(
target_directory.to_string_lossy()
),
"-DLLVM_BUILD_SHARED_LIBS='Off'",
"-DLLVM_ENABLE_WARNINGS='Off'",
"-DCMAKE_BUILD_TYPE='Release'",
&format!(
"-DLLVM_TARGETS_TO_BUILD='WebAssembly;{}'",
Expand Down Expand Up @@ -152,10 +153,8 @@ fn build_target(
"Ninja",
"-DLINKER_SUPPORTS_COLOR_DIAGNOSTICS=0",
"-DCMAKE_BUILD_WITH_INSTALL_RPATH=1",
// Enable thin LTO but emscripten has various issues with it.
// FIXME: https://github.com/paritytech/revive/issues/148
Copy link
Contributor

@elle-j elle-j Mar 3, 2026

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Just for linking and auto closing the issue, you can mention closing #148 in the description 👍

//"-DLLVM_ENABLE_LTO='Thin'",
//"-DCMAKE_EXE_LINKER_FLAGS='-Wl,-u,htons -Wl,-u,htonl -Wl,-u,fileno -Wl,-u,ntohs'",
"-DLLVM_ENABLE_LTO='Thin'",
"-DCMAKE_EXE_LINKER_FLAGS='-Wl,-u,htons -Wl,-u,htonl -Wl,-u,fileno -Wl,-u,ntohs'",
&format!(
"-DCMAKE_INSTALL_PREFIX='{}'",
target_directory.to_string_lossy()
Expand Down
Loading