Skip to content
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

Jump to bottom

Fix libunwind build: Define __LITTLE_ENDIAN__ for LE targets #65972

Merged
merged 1 commit into from
Nov 1, 2019
+6 −0
Merged

Fix libunwind build: Define __LITTLE_ENDIAN__ for LE targets #65972

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
6 changes: 6 additions & 0 deletions src/libunwind/build.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -56,12 +56,18 @@ mod llvm_libunwind {
pub fn compile() {
let target_env = env::var("CARGO_CFG_TARGET_ENV").unwrap();
let target_vendor = env::var("CARGO_CFG_TARGET_VENDOR").unwrap();
let target_endian_little = env::var("CARGO_CFG_TARGET_ENDIAN").unwrap() != "big";
let cfg = &mut cc::Build::new();

cfg.cpp(true);
cfg.cpp_set_stdlib(None);
cfg.warnings(false);

// libunwind expects a __LITTLE_ENDIAN__ macro to be set for LE archs, cf. #65765
if target_endian_little {
cfg.define("__LITTLE_ENDIAN__", Some("1"));
}

if target_env == "msvc" {
// Don't pull in extra libraries on MSVC
cfg.flag("/Zl");
Expand Down