From: Ole Streicher <olebole@debian.org>
Date: Sun, 25 Jun 2023 13:13:35 +0200
Subject: Use Python3 versions of python and cython in build

---
 meson.build                               | 2 +-
 skimage/_build_utils/copyfiles.py         | 2 +-
 skimage/_build_utils/cythoner.py          | 4 ++--
 skimage/_build_utils/gcc_build_bitness.py | 2 +-
 skimage/_build_utils/tempita.py           | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/meson.build b/meson.build
index 7316390..32e8029 100644
--- a/meson.build
+++ b/meson.build
@@ -56,7 +56,7 @@ if not cc.links('', name: '-Wl,--version-script', args: ['-shared', version_link
   version_link_args = []
 endif
 
-cython = find_program('cython')
+cython = find_program('cython3')
 pythran = find_program('pythran')
 tempita = files('skimage/_build_utils/tempita.py')
 copier = find_program(['cp', 'skimage/_build_utils/copyfiles.py'])
diff --git a/skimage/_build_utils/copyfiles.py b/skimage/_build_utils/copyfiles.py
index 0c53d7a..d0dd8e9 100755
--- a/skimage/_build_utils/copyfiles.py
+++ b/skimage/_build_utils/copyfiles.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """Platform independent file copier script"""
 
 import shutil
diff --git a/skimage/_build_utils/cythoner.py b/skimage/_build_utils/cythoner.py
index 83bc34a..1c24f2e 100755
--- a/skimage/_build_utils/cythoner.py
+++ b/skimage/_build_utils/cythoner.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """Scipy variant of Cython command
 
 Cython, as applied to single pyx file.
@@ -19,7 +19,7 @@ def main():
 
     sbp.run(
         [
-            'cython',
+            'cython3',
             '-3',
             '--fast-fail',
             '--output-file',
diff --git a/skimage/_build_utils/gcc_build_bitness.py b/skimage/_build_utils/gcc_build_bitness.py
index b48e995..3c515ea 100755
--- a/skimage/_build_utils/gcc_build_bitness.py
+++ b/skimage/_build_utils/gcc_build_bitness.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 """Detect bitness (32 or 64) of Mingw-w64 gcc build target on Windows."""
 
 import re
diff --git a/skimage/_build_utils/tempita.py b/skimage/_build_utils/tempita.py
index 3cb3c51..1733206 100755
--- a/skimage/_build_utils/tempita.py
+++ b/skimage/_build_utils/tempita.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import sys
 import os