From d341089ce130c86786480af3025763e12f8ff5d4 Mon Sep 17 00:00:00 2001
From: Dirreck <mingyang_ge@163.com>
Date: Thu, 22 Jun 2023 14:50:58 +0800
Subject: [PATCH] add rerun-if flags

---
 openblas-src/build.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/openblas-src/build.rs b/openblas-src/build.rs
index 9262344..b840667 100644
--- a/openblas-src/build.rs
+++ b/openblas-src/build.rs
@@ -112,6 +112,11 @@ fn main() {
 /// Build OpenBLAS using openblas-build crate
 #[cfg(target_os = "linux")]
 fn build() {
+    println!("cargo:rerun-if-env-changed=OPENBLAS_TARGET");
+    println!("cargo:rerun-if-env-changed=OPENBLAS_CC");
+    println!("cargo:rerun-if-env-changed=OPENBLAS_HOSTCC");
+    println!("cargo:rerun-if-env-changed=OPENBLAS_FC");
+    println!("cargo:rerun-if-env-changed=OPENBLAS_RANLIB");
     let mut cfg = openblas_build::Configure::default();
     if !feature_enabled("cblas") {
         cfg.no_cblas = true;