From 8238f2cdc07860595fad18a282bb692b66200934 Mon Sep 17 00:00:00 2001
From: messense <messense@icloud.com>
Date: Wed, 1 Dec 2021 18:01:59 +0800
Subject: [PATCH] Define `CMAKE_SYSTEM_NAME` when compiling for Linux

---
 src/lib.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lib.rs b/src/lib.rs
index 18c2fdc..778d87b 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -637,6 +637,10 @@ impl Config {
                 cmd.arg("-DCMAKE_OSX_SYSROOT=/");
                 cmd.arg("-DCMAKE_OSX_DEPLOYMENT_TARGET=");
             }
+        } else if target.contains("linux") {
+            if !self.defined("CMAKE_SYSTEM_NAME") {
+                cmd.arg("-DCMAKE_SYSTEM_NAME=Linux");
+            }
         }
         if let Some(ref generator) = generator {
             cmd.arg("-G").arg(generator);