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");