From 4f2e947bea73afffd753f267a38e224b0eb81171 Mon Sep 17 00:00:00 2001
From: usamoi <usamoi@outlook.com>
Date: Mon, 28 Oct 2024 19:25:24 +0800
Subject: [PATCH] add `pg_config --libdir` to linker search path

---
 pgrx-bindgen/src/build.rs | 6 ++++++
 pgrx-pg-config/src/lib.rs | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/pgrx-bindgen/src/build.rs b/pgrx-bindgen/src/build.rs
index 7ff530949..9af0b9cbe 100644
--- a/pgrx-bindgen/src/build.rs
+++ b/pgrx-bindgen/src/build.rs
@@ -343,6 +343,12 @@ fn generate_bindings(
             )
         })?;
     }
+
+    let lib_dir = pg_config.lib_dir()?;
+    println!(
+        "cargo:rustc-link-search={}",
+        lib_dir.to_str().ok_or(eyre!("{lib_dir:?} is not valid UTF-8 string"))?
+    );
     Ok(())
 }
 
diff --git a/pgrx-pg-config/src/lib.rs b/pgrx-pg-config/src/lib.rs
index 2a23c91a8..8c1c01246 100644
--- a/pgrx-pg-config/src/lib.rs
+++ b/pgrx-pg-config/src/lib.rs
@@ -323,6 +323,10 @@ impl PgConfig {
         Ok(self.run("--bindir")?.into())
     }
 
+    pub fn lib_dir(&self) -> eyre::Result<PathBuf> {
+        Ok(self.run("--libdir")?.into())
+    }
+
     pub fn postmaster_path(&self) -> eyre::Result<PathBuf> {
         let mut path = self.bin_dir()?;
         path.push("postgres");