Merge pull request #96 from KoichiYasuoka/patch-2

Enable PYTHON_SYS_EXECUTABLE
PyO3 · Dec 23, 2020 · 08e7b6f · 08e7b6f
2 parents dc6c90e + 7ee640a
commit 08e7b6f
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## Unreleased
+
+- Respect `PYO3_PYTHON` and `PYTHON_SYS_EXECUTABLE` environment variables if set. [#96](https://github.com/PyO3/setuptools-rust/pull/96)
+
 ## 0.11.6 (2020-12-13)
 
  - Respect `CARGO_BUILD_TARGET` environment variable if set. [#90](https://github.com/PyO3/setuptools-rust/pull/90)

diff --git a/setuptools_rust/build.py b/setuptools_rust/build.py
@@ -84,8 +84,8 @@ def build_extension(self, ext):
                 # which causes pythonXX-sys to fall back to detecting the
                 # interpreter from the path.
                 "PATH": os.path.join(bindir, os.environ.get("PATH", "")),
-                "PYTHON_SYS_EXECUTABLE": sys.executable,
-                "PYO3_PYTHON": sys.executable,
+                "PYTHON_SYS_EXECUTABLE": os.environ.get("PYTHON_SYS_EXECUTABLE", sys.executable),
+                "PYO3_PYTHON": os.environ.get("PYO3_PYTHON", sys.executable),
             }
         )
         rustflags = ""