Fix building rust tests in demo mode

Author: emesare

plugins/pdb-ng/demo/build.rs

@@ -0,0 +1,15 @@
+fn main() {
+    let link_path = std::env::var_os("DEP_BINARYNINJACORE_PATH")
+        .expect("DEP_BINARYNINJACORE_PATH not specified");
+
+    println!("cargo::rustc-link-lib=dylib=binaryninjacore");
+    println!("cargo::rustc-link-search={}", link_path.to_str().unwrap());
+
+    #[cfg(not(target_os = "windows"))]
+    {
+        println!(
+            "cargo::rustc-link-arg=-Wl,-rpath,{0},-L{0}",
+            link_path.to_string_lossy()
+        );
+    }
+}

rust/src/lib.rs

@@ -491,9 +491,7 @@ pub fn set_license<S: BnStrCompatible + Default>(license: Option<S>) {
 }
 
 #[cfg(feature = "demo")]
-pub fn set_license<S: BnStrCompatible + Default>(_license: Option<S>) {
-    panic!("Cannot set license in demo mode!");
-}
+pub fn set_license<S: BnStrCompatible + Default>(_license: Option<S>) {}
 
 pub fn product() -> BnString {
     unsafe { BnString::from_raw(BNGetProduct()) }