1 files changed, 19 insertions, 0 deletions
diff --git a/getrandom/build.rs b/getrandom/build.rs
new file mode 100644
index 0000000..1beb4ed
--- /dev/null
+++ b/getrandom/build.rs
@@ -0,0 +1,19 @@
+#![deny(warnings)]
+
+use std::env;
+
+fn main() {
+    let target = env::var("TARGET").expect("TARGET was not set");
+    if target.contains("-uwp-windows-") {
+        // for BCryptGenRandom
+        println!("cargo:rustc-link-lib=bcrypt");
+        // to work around unavailability of `target_vendor` on Rust 1.33
+        println!("cargo:rustc-cfg=getrandom_uwp");
+    } else if target.contains("windows") {
+        // for RtlGenRandom (aka SystemFunction036)
+        println!("cargo:rustc-link-lib=advapi32");
+    } else if target.contains("apple-ios") {
+        // for SecRandomCopyBytes and kSecRandomDefault
+        println!("cargo:rustc-link-lib=framework=Security");
+    }
+}