From a5ebb961f1054e60678b3be6725f183855661860 Mon Sep 17 00:00:00 2001
From: Michael Krasnitski <michael.krasnitski@gmail.com>
Date: Sun, 19 May 2024 21:48:42 -1000
Subject: [PATCH] Support running doctests, unit tests and benchmarks

---
 .github/workflows/rust.yml |  4 +++
 rust/build.rs              | 69 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 73 insertions(+)

diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 3e78ce0f7..f09a0deee 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -37,6 +37,10 @@ jobs:
         working-directory: ./rust
         run: cargo test --doc -- --show-output
 
+      - name: cargo unit test
+        working-directory: ./rust
+        run: cargo test --no-run
+
       - name: cargo clippy
         working-directory: ./rust
         run: cargo clippy -- -D warnings
diff --git a/rust/build.rs b/rust/build.rs
index 91f1021f1..9b771903f 100644
--- a/rust/build.rs
+++ b/rust/build.rs
@@ -1,3 +1,45 @@
+use std::env;
+use std::fs::File;
+use std::io::BufReader;
+use std::path::PathBuf;
+
+#[cfg(target_os = "macos")]
+static LASTRUN_PATH: (&str, &str) = ("HOME", "Library/Application Support/Binary Ninja/lastrun");
+
+#[cfg(target_os = "linux")]
+static LASTRUN_PATH: (&str, &str) = ("HOME", ".binaryninja/lastrun");
+
+#[cfg(windows)]
+static LASTRUN_PATH: (&str, &str) = ("APPDATA", "Binary Ninja\\lastrun");
+
+// Check last run location for path to BinaryNinja; Otherwise check the default install locations
+fn link_path() -> PathBuf {
+    use std::io::prelude::*;
+
+    let home = PathBuf::from(env::var(LASTRUN_PATH.0).unwrap());
+    let lastrun = PathBuf::from(&home).join(LASTRUN_PATH.1);
+
+    File::open(lastrun)
+        .and_then(|f| {
+            let mut binja_path = String::new();
+            let mut reader = BufReader::new(f);
+
+            reader.read_line(&mut binja_path)?;
+            Ok(PathBuf::from(binja_path.trim()))
+        })
+        .unwrap_or_else(|_| {
+            #[cfg(target_os = "macos")]
+            return PathBuf::from("/Applications/Binary Ninja.app/Contents/MacOS");
+
+            #[cfg(target_os = "linux")]
+            return home.join("binaryninja");
+
+            #[cfg(windows)]
+            return PathBuf::from(env::var("PROGRAMFILES").unwrap())
+                .join("Vector35\\BinaryNinja\\");
+        })
+}
+
 fn main() {
     // TODO : Enable the following when https://github.com/rust-lang/rust/issues/43781 stabilizes
     // #[cfg(doc)]
@@ -9,4 +51,31 @@ fn main() {
         "target/doc/under_construction.png",
     );
     let _ = std::fs::copy("../docs/img/logo.png", "target/doc/logo.png");
+
+    let install_path = env::var("BINARYNINJADIR")
+        .map(PathBuf::from)
+        .unwrap_or_else(|_| link_path());
+
+    #[cfg(target_os = "linux")]
+    println!(
+        "cargo::rustc-link-arg=-Wl,-rpath,{},-L{},-l:libbinaryninjacore.so.1",
+        install_path.to_str().unwrap(),
+        install_path.to_str().unwrap(),
+    );
+
+    #[cfg(target_os = "macos")]
+    println!(
+        "cargo::rustc-link-arg=-Wl,-rpath,{},-L{},-lbinaryninjacore",
+        install_path.to_str().unwrap(),
+        install_path.to_str().unwrap(),
+    );
+
+    #[cfg(target_os = "windows")]
+    {
+        println!("cargo::rustc-link-lib=binaryninjacore");
+        println!(
+            "cargo::rustc-link-search={}",
+            install_path.to_str().unwrap()
+        );
+    }
 }