Add back opt_level

branchseer · May 11, 2021 · 1756d0f · 1756d0f
1 parent 1e9920d
commit 1756d0f
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/libquickjs-sys/build.rs b/libquickjs-sys/build.rs
@@ -90,5 +90,10 @@ fn main() {
         .flag_if_supported("-Wno-cast-function-type")
         .flag_if_supported("-Wno-implicit-fallthrough")
         .flag_if_supported("-Wno-enum-conversion")
+        // cc uses the OPT_LEVEL env var by default, but we hardcode it to -O2
+        // since release builds use -O3 which might be problematic for quickjs,
+        // and debug builds only happen once anyway so the optimization slowdown
+        // is fine.
+        .opt_level(2)
         .compile(LIB_NAME);
 }