support CARGO_TARGET_DIR variable #14

Author: fafhrd91

CHANGES.rst

@@ -1,6 +1,12 @@
 CHANGES
 =======
 
+0.6.1 (2017-06-30)
+------------------
+
+- Support `CARGO_TARGET_DIR` variable #14
+
+
 0.6.0 (2017-06-20)
 ------------------
 

setuptools_rust/build.py

@@ -121,7 +121,13 @@ def build_extension(self, ext):
         else:
             suffix = "release"
 
-        target_dir = os.path.join(os.path.dirname(ext.path), "target/", suffix)
+        # location of files
+        dir = os.environ.get('CARGO_TARGET_DIR', '').strip()
+        if dir:
+            target_dir = os.path.join(dir, suffix)
+        else:
+            target_dir = os.path.join(
+                os.path.dirname(ext.path), "target/", suffix)
 
         if sys.platform == "win32":
             wildcard_so = "*.dll"