From ff6f048a4758be1cdff677d871f45116afa54367 Mon Sep 17 00:00:00 2001
From: Felix Zimmermann <fzimmermann89@gmail.com>
Date: Thu, 13 May 2021 13:43:16 -0700
Subject: [PATCH] fix sdist

---
 MANIFEST.in    | 4 ++++
 pyproject.toml | 2 ++
 setup.py       | 7 +++++--
 3 files changed, 11 insertions(+), 2 deletions(-)
 create mode 100644 MANIFEST.in

diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..f419c74
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1,4 @@
+include pyproject.toml
+include autocorrelate3.pyx
+include mkl_dfti.pxd
+include README.md
diff --git a/pyproject.toml b/pyproject.toml
index e332d91..fedd31d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,3 +4,5 @@ requires-python = ">=3.6"
 [build-system]
 build-backend = "setuptools.build_meta"
 requires = ["setuptools", "oldest-supported-numpy", "Cython", "mkl==2019; sys_platform != 'win32'", "mkl-include==2019; sys_platform != 'win32'", "mkl-devel; sys_platform == 'win32'"]
+
+[tool]
\ No newline at end of file
diff --git a/setup.py b/setup.py
index f2decb0..9371c13 100755
--- a/setup.py
+++ b/setup.py
@@ -82,9 +82,12 @@ def configuration():
 
         sources = [join(srcdir, "reconstruction", "autocorrelate3.pyx")]
         have_cython = True
-    except ImportError as e:
+        if not exists(sources[0]):
+            print('pyx missing')
+            raise FileNotFoundError
+    except (ImportError, FileNotFoundError) as e:
         have_cython = False
-        sources = [join(srcdir, "reconstruction", "autocorrelate.c")]
+        sources = [join(srcdir, "reconstruction", "autocorrelate3.c")]
         if not exists(sources[0]):
             print("Cython is required to build ft autocorrelation")
     config.add_extension(