From c79abe9e4d2bb9abe86b822cab7e29880aa5872d Mon Sep 17 00:00:00 2001
From: Gemingyang <mingyang_ge@163.com>
Date: Wed, 27 Nov 2024 16:16:38 +0000
Subject: [PATCH] use pkg-config and fix build on doc.rs

---
 openblas-src/Cargo.toml |  1 +
 openblas-src/build.rs   | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/openblas-src/Cargo.toml b/openblas-src/Cargo.toml
index 227316e..e0911dd 100644
--- a/openblas-src/Cargo.toml
+++ b/openblas-src/Cargo.toml
@@ -36,6 +36,7 @@ system = []
 libc = "0.2"
 
 [build-dependencies]
+pkg-config = "0.3.30"
 dirs = "5.0.1"
 openblas-build = { version = "0.10.9", path = "../openblas-build" }
 
diff --git a/openblas-src/build.rs b/openblas-src/build.rs
index 1587f32..4708b58 100644
--- a/openblas-src/build.rs
+++ b/openblas-src/build.rs
@@ -76,12 +76,24 @@ fn macos_system() {
 }
 
 fn main() {
+    if env::var("DOCS_RS").is_ok() {
+        return;
+    }
     let link_kind = if feature_enabled("static") {
         "static"
     } else {
         "dylib"
     };
     if feature_enabled("system") {
+        // Use pkg-config to find OpenBLAS
+        if pkg_config::Config::new()
+            .statik(feature_enabled("static"))
+            .probe("openblas")
+            .is_ok()
+        {
+            return;
+        }
+
         if cfg!(target_os = "windows") {
             if cfg!(target_env = "gnu") {
                 windows_gnu_system();