From a0537d7a2986dc0dc6a09c175841a1f928c3f63a Mon Sep 17 00:00:00 2001
From: Allen Li <allli@twosigma.com>
Date: Wed, 27 Nov 2024 22:18:51 -0800
Subject: [PATCH] feat: Support for `exelinkflags`

---
 src/lib.rs | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 89d803f..9491200 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -504,6 +504,11 @@ impl CargoInstructions {
         writeln!(self.out, "cargo:rerun-if-env-changed={val}").unwrap();
     }
 
+    /// Adds `cargo:rustc-link-args-bins={val}` instruction.
+    fn rustc_link_arg_bins(&mut self, val: &str) {
+        writeln!(self.out, "cargo:rustc-link-arg-bins={val}").unwrap();
+    }
+
     /// Adds `cargo:rustc-link-lib={lib}` instruction.
     fn rustc_link_lib(&mut self, lib: &str) {
         writeln!(self.out, "cargo:rustc-link-lib={lib}").unwrap();
@@ -608,7 +613,16 @@ impl ConanDependencyGraph {
             }
         };
 
-        // 5. Recursively visit dependency component requirements.
+        // 5. Emit "cargo:rustc-link-arg-bins=FLAGS" metadata for `rustc`.
+        if let Some(Value::Array(flags)) = component.get("exelinkflags") {
+            for flag in flags {
+                if let Value::String(flag) = flag {
+                    cargo.rustc_link_arg_bins(flag);
+                }
+            }
+        }
+
+        // 6. Recursively visit dependency component requirements.
         if let Some(Value::Array(requires)) = component.get("requires") {
             for requirement in requires {
                 if let Value::String(req_comp_name) = requirement {