From c8dc9b64dd0f6726cd1d36a61c563212721ef249 Mon Sep 17 00:00:00 2001
From: Blaž Hrastnik
Date: Mon, 12 Jul 2021 00:44:14 +0900
Subject: windows: Try building inside OUT_DIR?

---
 helix-syntax/build.rs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/helix-syntax/build.rs b/helix-syntax/build.rs
index 02a5bf49..2882f513 100644
--- a/helix-syntax/build.rs
+++ b/helix-syntax/build.rs
@@ -7,7 +7,8 @@ use std::sync::mpsc::channel;
 
 fn collect_tree_sitter_dirs(ignore: &[String]) -> Vec<String> {
     let mut dirs = Vec::new();
-    for entry in fs::read_dir("languages").unwrap().flatten() {
+    let path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("languages");
+    for entry in fs::read_dir(path).unwrap().flatten() {
         let path = entry.path();
         let dir = path.file_name().unwrap().to_str().unwrap().to_string();
         if !ignore.contains(&dir) {
@@ -54,13 +55,14 @@ fn build_library(src_path: &Path, language: &str) -> Result<()> {
     if !recompile {
         return Ok(());
     }
-
+    let build_dir = std::env::var("OUT_DIR").unwrap();
     let mut config = cc::Build::new();
     config.cpp(true).opt_level(2).cargo_metadata(false);
     // .target(BUILD_TARGET)
     // .host(BUILD_TARGET);
     let compiler = config.get_compiler();
     let mut command = Command::new(compiler.path());
+    command.current_dir(build_dir);
     for (key, value) in compiler.env() {
         command.env(key, value);
     }
@@ -185,7 +187,10 @@ fn build_dir(dir: &str, language: &str) {
         std::process::exit(1);
     }
 
-    let path = Path::new("languages").join(dir).join("src");
+    let path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("languages")
+        .join(dir)
+        .join("src");
     build_library(&path, language).unwrap();
 }
 
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