From 5ab1672fcb6158f0a27235f0f222ce543eac4a04 Mon Sep 17 00:00:00 2001
From: Georg Semmler <github@weiznich.de>
Date: Fri, 8 Dec 2023 10:44:32 +0100
Subject: [PATCH] Add an asan feature flag

---
 pq-src/Cargo.toml | 4 ++++
 pq-src/build.rs   | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/pq-src/Cargo.toml b/pq-src/Cargo.toml
index 36ed848..19a9941 100644
--- a/pq-src/Cargo.toml
+++ b/pq-src/Cargo.toml
@@ -25,3 +25,7 @@ cc = "1.0.83"
 
 [target.'cfg(not(target_os = "windows"))'.build-dependencies]
 openssl-src = "300"
+
+[features]
+default = []
+with-asan = []
diff --git a/pq-src/build.rs b/pq-src/build.rs
index b3ad83c..ebfb879 100644
--- a/pq-src/build.rs
+++ b/pq-src/build.rs
@@ -199,6 +199,10 @@ fn main() {
             format!("{path}/src/include/port/win32_msvc/"),
         ]);
 
+    if cfg!(feature = "with-asan") {
+        basic_build.flag("-fsanitize=address");
+    }
+
     if cfg!(target_os = "linux") {
         basic_build.define("_GNU_SOURCE", None);
     }