From b16c1de541b38d8dcd3cfb61e29fcf1b0affcd9d Mon Sep 17 00:00:00 2001
From: Carles Fernandez <carles.fernandez@gmail.com>
Date: Thu, 5 Oct 2023 15:11:21 +0200
Subject: [PATCH] Fix breaking change in CMake 3.27: PythonInterp was removed

---
 CMakeLists.txt                                     |  2 +-
 cmake/Modules/SetupPython.cmake                    |  4 +++-
 .../volk_gnsssdr/cmake/Modules/VolkPython.cmake    | 14 ++++++++++----
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 81f15e3b6..56aeda777 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1116,7 +1116,7 @@ if(NOT VOLKGNSSSDR_FOUND)
         endif()
     endif()
 
-    if(PYTHONINTERP_FOUND)
+    if(CMAKE_VERSION VERSION_LESS 3.27 AND PYTHONINTERP_FOUND)
         set_package_properties(PythonInterp PROPERTIES
             URL "https://www.python.org/"
             DESCRIPTION "An interpreted, high-level, general-purpose programming language (found: v${PYTHON_VERSION_STRING})"
diff --git a/cmake/Modules/SetupPython.cmake b/cmake/Modules/SetupPython.cmake
index 2260357ce..e203e21df 100644
--- a/cmake/Modules/SetupPython.cmake
+++ b/cmake/Modules/SetupPython.cmake
@@ -97,7 +97,9 @@ else()
         endif()
         if(NOT MAKO_FOUND OR NOT SIX_FOUND)
             unset(PYTHON_EXECUTABLE)
-            find_package(PythonInterp ${GNSSSDR_PYTHON_MIN_VERSION})
+            if(CMAKE_VERSION VERSION_LESS 3.27)
+                find_package(PythonInterp ${GNSSSDR_PYTHON_MIN_VERSION})
+            endif()
             gnsssdr_python_check_module("python >= ${GNSSSDR_PYTHON_MIN_VERSION}" sys "sys.version.split()[0] >= '${GNSSSDR_PYTHON_MIN_VERSION}'" PYTHON_MIN_VER_FOUND)
             gnsssdr_python_check_module("mako >= ${GNSSSDR_MAKO_MIN_VERSION}" mako "mako.__version__ >= '${GNSSSDR_MAKO_MIN_VERSION}'" MAKO_FOUND)
             if(PYTHON_VERSION_STRING VERSION_LESS "3.0")
diff --git a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cmake/Modules/VolkPython.cmake b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cmake/Modules/VolkPython.cmake
index 2fc0819b7..8d724a2c0 100644
--- a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cmake/Modules/VolkPython.cmake
+++ b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/cmake/Modules/VolkPython.cmake
@@ -71,7 +71,9 @@ if(CMAKE_VERSION VERSION_LESS 3.12 OR CMAKE_CROSSCOMPILING)
 else()
     if(PYTHON_EXECUTABLE)
         message(STATUS "User set python executable ${PYTHON_EXECUTABLE}")
-        find_package(PythonInterp ${VOLK_PYTHON_MIN_VERSION} REQUIRED)
+        if(CMAKE_VERSION VERSION_LESS "3.27")
+           find_package(PythonInterp ${VOLK_PYTHON_MIN_VERSION} REQUIRED)
+        endif()
         volk_python_check_module("mako >= 0.4.2" mako "mako.__version__ >= '0.4.2'" MAKO_FOUND)
         if(PYTHON_VERSION_STRING VERSION_LESS "3.0")
             volk_python_check_module("six - python 2 and 3 compatibility library" six "True" SIX_FOUND)
@@ -102,15 +104,19 @@ else()
             endif()
             if(NOT MAKO_FOUND OR NOT SIX_FOUND)
                 unset(PYTHON_EXECUTABLE)
-                find_package(PythonInterp ${VOLK_PYTHON_MIN_VERSION})
+                if(CMAKE_VERSION VERSION_LESS "3.27")
+                    find_package(PythonInterp ${VOLK_PYTHON_MIN_VERSION})
+                endif()
                 volk_python_check_module("mako >= 0.4.2" mako "mako.__version__ >= '0.4.2'" MAKO_FOUND)
             endif()
         endif()
     endif()
 endif()
 
-if(${PYTHON_VERSION_MAJOR} VERSION_EQUAL 3)
-    set(PYTHON3 TRUE)
+if(CMAKE_VERSION VERSION_LESS "3.27")
+    if(${PYTHON_VERSION_MAJOR} VERSION_EQUAL 3)
+        set(PYTHON3 TRUE)
+    endif()
 endif()