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cmake/debian/patches/0001-Prefer-Debian-default-...

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From: =?utf-8?q?Timo_R=C3=B6hling?= <roehling@debian.org>
Date: Mon, 13 Sep 2021 18:59:25 +0200
Subject: Prefer Debian default version of Python
Forwarded: not-needed
---
Modules/FindPython/Support.cmake | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/Modules/FindPython/Support.cmake b/Modules/FindPython/Support.cmake
index cbb6c1c..7bde2e6 100644
--- a/Modules/FindPython/Support.cmake
+++ b/Modules/FindPython/Support.cmake
@@ -23,6 +23,20 @@ if (NOT DEFINED _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
endif()
if (_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR EQUAL "3")
set(_${_PYTHON_PREFIX}_VERSIONS 3.12 3.11 3.10 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0)
+ # Debian-specific: prefer current default version
+ execute_process(
+ COMMAND py3versions -vd
+ OUTPUT_VARIABLE _${_PYTHON_PREFIX}_DEFAULT_VERSION
+ RESULT_VARIABLE _${_PYTHON_PREFIX}_DEFAULT_RESULT
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+ ERROR_QUIET
+ )
+ if(NOT _${_PYTHON_PREFIX}_DEFAULT_RESULT)
+ list(REMOVE_ITEM _${_PYTHON_PREFIX}_VERSIONS ${_${_PYTHON_PREFIX}_DEFAULT_VERSION})
+ list(INSERT _${_PYTHON_PREFIX}_VERSIONS 0 ${_${_PYTHON_PREFIX}_DEFAULT_VERSION})
+ endif()
+ unset(_${_PYTHON_PREFIX}_DEFAULT_RESULT)
+ unset(_${_PYTHON_PREFIX}_DEFAULT_VERSION)
elseif (_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR EQUAL "2")
set(_${_PYTHON_PREFIX}_VERSIONS 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0)
else()