Merge pull request #38 from jyn514/compile-error

Give a better error message when compiling on platforms other than Windows
gentoo90 · Dec 11, 2020 · 4c1de2c · 4c1de2c
2 parents e57c297 + 6841063
commit 4c1de2c
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/build.rs b/build.rs
@@ -0,0 +1,11 @@
+fn main() {
+    if std::env::var("CARGO_CFG_WINDOWS").is_err() {
+        eprintln!("error: winreg is only supported on Windows platforms");
+        eprintln!(
+            "help: if your application is multi-platform, use \
+            `[target.'cfg(windows)'.dependencies] winreg = \"...\"`"
+        );
+        eprintln!("help: if your application is only supported on Windows, use `--target x86_64-pc-windows-gnu` or some other windows platform");
+        std::process::exit(1);
+    }
+}