Disable mmap on macOS

See rust-lang/rust#45866 for more details
Aaron1011 · Mar 9, 2020 · b585df8 · b585df8
1 parent ab06897
commit b585df8
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/crates/backtrace-sys/build.rs b/crates/backtrace-sys/build.rs
@@ -36,7 +36,9 @@ fn main() {
 
     // `mmap` does not exist on Windows, so we use
     // the less efficient `read`-based code.
-    if target.contains("windows") {
+    // Using `mmap` on macOS causes weird isseus - see
+    // https://github.com/rust-lang/rust/pull/45866
+    if target.contains("windows") || target.contains("macos") {
         build.file("src/libbacktrace/read.c");
     } else {
         build.file("src/libbacktrace/mmapio.c");