From 8255c38d6341237303dd6324e1f973b6432a2e3e Mon Sep 17 00:00:00 2001
From: Elliott Slaughter <slaughter@cs.stanford.edu>
Date: Thu, 19 Sep 2024 13:58:11 -0700
Subject: [PATCH] Generate source path so it can be looked up later.

---
 Cargo.toml |  7 ++++++-
 build.rs   | 11 +++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)
 create mode 100644 build.rs

diff --git a/Cargo.toml b/Cargo.toml
index 34ab637..334b54d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,12 @@ categories = ["development-tools::profiling"]
 license = "Apache-2.0"
 
 edition = "2021"
-rust-version = "1.74"
+rust-version = "1.77"
+
+# Required to ensure metadata is visible to dependents. See:
+# https://doc.rust-lang.org/cargo/reference/build-scripts.html
+# https://github.com/rust-lang/cargo/issues/7846
+links="legion_prof_viewer"
 
 [features]
 default = []
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..accd992
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,11 @@
+use std::env;
+
+fn main() {
+    let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
+    println!("cargo::metadata=SOURCE={}", manifest_dir);
+
+    // Don't rerun, we don't actually depend on anything
+    println!("cargo::rerun-if-changed=build.rs");
+
+    println!("cargo::warning=Saving path: {}", manifest_dir)
+}