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genya0407 · Feb 29, 2024 · b8972ac · b8972ac
1 parent 52bfe3a
commit b8972ac
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diff --git a/minutus-mruby-build-utils/Cargo.toml b/minutus-mruby-build-utils/Cargo.toml
@@ -14,3 +14,4 @@ tar = "0.4.40"
 reqwest = { version = "0.11.23", features = ["blocking"] }
 flate2 = "1.*"
 cc = "1.*"
+regex = "1"
diff --git a/minutus-mruby-build-utils/src/lib.rs b/minutus-mruby-build-utils/src/lib.rs
@@ -110,7 +110,16 @@ fn link_mruby(workdir: &Path) {
         libs.trim()
     );
 
-    println!("cargo:rustc-link-arg=-lmruby");
+    // For build on environments where `-Wl,--as-needed` is the default.
+    let re = regex::Regex::new(r"as-needed").unwrap();
+    let as_needed_supported = run_command(Path::new("."), &["ld", "--help"])
+        .unwrap()
+        .lines()
+        .any(|line| re.is_match(line));
+    if as_needed_supported {
+        println!("cargo:rustc-link-arg=-Wl,--no-as-needed");
+    }
+    println!("cargo:rustc-link-lib=mruby");
 }
 
 /// Downloads mruby source code from github.