Set CMAKE_BUILD_TYPE according to OPT_LEVEL

Author: honsunrise

aws-lc-sys/builder/cmake_builder.rs

@@ -96,6 +96,22 @@ impl CmakeBuilder {
             set_env("CMAKE_GENERATOR", generator);
         }
 
+        let opt_level = cargo_env("OPT_LEVEL");
+        match opt_level.as_str() {
+            "0" => {
+                cmake_cfg.define("CMAKE_BUILD_TYPE", "debug");
+            }
+            "1" | "2" => {
+                cmake_cfg.define("CMAKE_BUILD_TYPE", "relwithdebinfo");
+            }
+            "s" | "z" => {
+                cmake_cfg.define("CMAKE_BUILD_TYPE", "minsizerel");
+            }
+            _ => {
+                cmake_cfg.define("CMAKE_BUILD_TYPE", "release");
+            }
+        }
+
         if OutputLibType::default() == OutputLibType::Dynamic {
             cmake_cfg.define("BUILD_SHARED_LIBS", "1");
         } else {