fix: detect system odbc drivers on debian

.github/workflows/ci.yml

@@ -54,7 +54,7 @@ jobs:
             db_url: "mssql://root:[email protected]/sqlpage"
           - database: odbc
             container: postgres
-            db_url: "Driver=/usr/lib/x86_64-linux-gnu/odbc/psqlodbcw.so;Server=127.0.0.1;Port=5432;Database=sqlpage;UID=root;PWD=Password123!"
+            db_url: "Driver=PostgreSQL Unicode;Server=127.0.0.1;Port=5432;Database=sqlpage;UID=root;PWD=Password123!"
             setup_odbc: true
     steps:
       - uses: actions/checkout@v4

CHANGELOG.md

@@ -8,6 +8,7 @@
  - SQLPage now sets the [`Server-Timing` header](https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Server-Timing) in development. So when you have a page that loads slowly, you can open your browser's network inspector, click on the slow request, then open the timing tab to understand where it's spending its time.
    - <img width="1250" height="1263" alt="image" src="https://github.com/user-attachments/assets/6781a31f-e342-4e8c-8506-bc47049ce313" />
  - Fixed a memory corruption issue in the builtin odbc driver manager
+ - ODBC: fix using globally installed system drivers by their name in debian-based linux distributions.
 
 
 ## v0.38.0

build.rs

@@ -29,6 +29,7 @@ async fn main() {
     ] {
         h.await.unwrap();
     }
+    set_odbc_rpath();
 }
 
 fn make_client() -> awc::Client {
@@ -171,3 +172,14 @@ fn make_url_path(url: &str) -> PathBuf {
     );
     sqlpage_artefacts.join(filename)
 }
+
+/// On debian-based linux distributions, odbc drivers are installed in /usr/lib/<target>-linux-gnu/odbc
+/// which is not in the default library search path.
+fn set_odbc_rpath() {
+    if cfg!(all(target_os = "linux", feature = "odbc-static")) {
+        println!(
+            "cargo:rustc-link-arg=-Wl,-rpath,/usr/lib/{}-linux-gnu/odbc",
+            std::env::var("TARGET").unwrap().split('-').next().unwrap()
+        );
+    }
+}