FindPython: On Windows, Enhance python debug version support

Add the following variables:
* Python_EXECUTABLE_DEBUG
* Python_INTERPRETER
* Python_DEBUG_POSTFIX

and target Python::InterpreterDebug.

python_add_library() command Manage DEBUG_POSTFIX target property based
on the value of Python_DEBUG_POSTFIX variable.

Fixes: #25874

38 files changed, 48 insertions, 42 deletions

diff --git a/Tests/FindPython/ArtifactsInteractive/CMakeLists.txt b/Tests/FindPython/ArtifactsInteractive/CMakeLists.txt
index 18f8fda..f92db5f 100644
--- a/Tests/FindPython/ArtifactsInteractive/CMakeLists.txt
+++ b/Tests/FindPython/ArtifactsInteractive/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestArtifactsInteractive LANGUAGES C)
 
diff --git a/Tests/FindPython/CustomFailureMessage/CMakeLists.txt b/Tests/FindPython/CustomFailureMessage/CMakeLists.txt
index e0148f3..e9d14f5 100644
--- a/Tests/FindPython/CustomFailureMessage/CMakeLists.txt
+++ b/Tests/FindPython/CustomFailureMessage/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestCustomFailureMessage LANGUAGES NONE)
 
diff --git a/Tests/FindPython/CustomFailureMessage/Check/CMakeLists.txt b/Tests/FindPython/CustomFailureMessage/Check/CMakeLists.txt
index 0fb3036..d72d258 100644
--- a/Tests/FindPython/CustomFailureMessage/Check/CMakeLists.txt
+++ b/Tests/FindPython/CustomFailureMessage/Check/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestCustomFailureMessage.Check LANGUAGES NONE)
 
diff --git a/Tests/FindPython/DifferentComponents/CMakeLists.txt b/Tests/FindPython/DifferentComponents/CMakeLists.txt
index e3e7b36..e72b4bf 100644
--- a/Tests/FindPython/DifferentComponents/CMakeLists.txt
+++ b/Tests/FindPython/DifferentComponents/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestDifferentComponents LANGUAGES C)
 
diff --git a/Tests/FindPython/ExactVersion/CMakeLists.txt b/Tests/FindPython/ExactVersion/CMakeLists.txt
index 1bd94c4..e3bb43b 100644
--- a/Tests/FindPython/ExactVersion/CMakeLists.txt
+++ b/Tests/FindPython/ExactVersion/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestExactVersion LANGUAGES C)
 
diff --git a/Tests/FindPython/FindPythonScript.cmake b/Tests/FindPython/FindPythonScript.cmake
index 808496e..fa51f59 100644
--- a/Tests/FindPython/FindPythonScript.cmake
+++ b/Tests/FindPython/FindPythonScript.cmake
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.12)
+cmake_minimum_required(VERSION 3.15)
 if (PYTHON_MUST_NOT_BE_FOUND)
   find_package(${PYTHON_PACKAGE_NAME} QUIET)
   if (${PYTHON_PACKAGE_NAME}_FOUND)
diff --git a/Tests/FindPython/Implementation/CMakeLists.txt b/Tests/FindPython/Implementation/CMakeLists.txt
index 8086c16..da33034 100644
--- a/Tests/FindPython/Implementation/CMakeLists.txt
+++ b/Tests/FindPython/Implementation/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestImplementation${Python_REQUESTED_IMPLEMENTATION} LANGUAGES NONE)
 
diff --git a/Tests/FindPython/IronPython/CMakeLists.txt b/Tests/FindPython/IronPython/CMakeLists.txt
index fd3182e..3c28527 100644
--- a/Tests/FindPython/IronPython/CMakeLists.txt
+++ b/Tests/FindPython/IronPython/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestIronPython LANGUAGES NONE)
 
diff --git a/Tests/FindPython/IronPython2/CMakeLists.txt b/Tests/FindPython/IronPython2/CMakeLists.txt
index b623972..0a4dcb4 100644
--- a/Tests/FindPython/IronPython2/CMakeLists.txt
+++ b/Tests/FindPython/IronPython2/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestIronPython2 LANGUAGES NONE)
 
diff --git a/Tests/FindPython/IronPython3/CMakeLists.txt b/Tests/FindPython/IronPython3/CMakeLists.txt
index b09097a..f39b84d 100644
--- a/Tests/FindPython/IronPython3/CMakeLists.txt
+++ b/Tests/FindPython/IronPython3/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestIronPython3 LANGUAGES NONE)
 
diff --git a/Tests/FindPython/MultiplePackages/CMakeLists.txt b/Tests/FindPython/MultiplePackages/CMakeLists.txt
index 352a2f6f..6536e46 100644
--- a/Tests/FindPython/MultiplePackages/CMakeLists.txt
+++ b/Tests/FindPython/MultiplePackages/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestMultiplePackages C)
 
@@ -20,7 +20,7 @@ if (CMake_TEST_FindPython2)
 
   add_test (NAME python2_spam2
             COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:spam3>"
-            "${Python2_EXECUTABLE}" -c "import spam2; spam2.system(\"cd\")")
+            "${Python2_INTERPRETER}" -c "import spam2; spam2.system(\"cd\")")
 
 endif()
 
@@ -40,6 +40,6 @@ if (CMake_TEST_FindPython3)
 
   add_test (NAME python3_spam3
             COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:spam3>"
-            "${Python3_EXECUTABLE}" -c "import spam3; spam3.system(\"cd\")")
+            "${Python3_INTERPRETER}" -c "import spam3; spam3.system(\"cd\")")
 
 endif()
diff --git a/Tests/FindPython/NumPy/CMakeLists.txt b/Tests/FindPython/NumPy/CMakeLists.txt
index 336bb83..c5552d8 100644
--- a/Tests/FindPython/NumPy/CMakeLists.txt
+++ b/Tests/FindPython/NumPy/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestNumPy LANGUAGES C)
 
@@ -12,7 +12,7 @@ if(CMake_TEST_FindPython2_NumPy)
 
   add_test (NAME python2_arraytest
     COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:arraytest2>"
-    "${Python2_EXECUTABLE}" -c "import numpy; import arraytest2; arraytest2.vecsq(numpy.array([1, 2, 3]));")
+    "${Python2_INTERPRETER}" -c "import numpy; import arraytest2; arraytest2.vecsq(numpy.array([1, 2, 3]));")
 
 endif()
 
@@ -26,6 +26,6 @@ if(CMake_TEST_FindPython3_NumPy)
 
   add_test (NAME python3_arraytest
     COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:arraytest3>"
-    "${Python3_EXECUTABLE}" -c "import numpy; import arraytest3; arraytest3.vecsq(numpy.array([1, 2, 3]));")
+    "${Python3_INTERPRETER}" -c "import numpy; import arraytest3; arraytest3.vecsq(numpy.array([1, 2, 3]));")
 
 endif()
diff --git a/Tests/FindPython/NumPyOnly/CMakeLists.txt b/Tests/FindPython/NumPyOnly/CMakeLists.txt
index 115cf2b..db7e68e 100644
--- a/Tests/FindPython/NumPyOnly/CMakeLists.txt
+++ b/Tests/FindPython/NumPyOnly/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestNumPyOnly LANGUAGES C)
 
diff --git a/Tests/FindPython/PyPy/CMakeLists.txt b/Tests/FindPython/PyPy/CMakeLists.txt
index dfc22d8..2e8bc58 100644
--- a/Tests/FindPython/PyPy/CMakeLists.txt
+++ b/Tests/FindPython/PyPy/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPyPy LANGUAGES C)
 
diff --git a/Tests/FindPython/PyPy2/CMakeLists.txt b/Tests/FindPython/PyPy2/CMakeLists.txt
index 5b7ce30..2d89531 100644
--- a/Tests/FindPython/PyPy2/CMakeLists.txt
+++ b/Tests/FindPython/PyPy2/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPyPy2 LANGUAGES C)
 
diff --git a/Tests/FindPython/PyPy3/CMakeLists.txt b/Tests/FindPython/PyPy3/CMakeLists.txt
index b702c99..93388a0 100644
--- a/Tests/FindPython/PyPy3/CMakeLists.txt
+++ b/Tests/FindPython/PyPy3/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPyPy3 LANGUAGES C)
 
diff --git a/Tests/FindPython/Python/CMakeLists.txt b/Tests/FindPython/Python/CMakeLists.txt
index 85b1711..7074649 100644
--- a/Tests/FindPython/Python/CMakeLists.txt
+++ b/Tests/FindPython/Python/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython LANGUAGES C)
 
@@ -32,7 +32,7 @@ if (Python_REQUESTED_VERSION)
 
   add_test (NAME python_spam${Python_REQUESTED_VERSION}
             COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:spam${Python_REQUESTED_VERSION}>"
-            "${Python_EXECUTABLE}" -c "import spam${Python_REQUESTED_VERSION}; spam${Python_REQUESTED_VERSION}.system(\"cd\")")
+            "${Python_INTERPRETER}" -c "import spam${Python_REQUESTED_VERSION}; spam${Python_REQUESTED_VERSION}.system(\"cd\")")
 else()
   add_test(NAME findpython_script
            COMMAND "${CMAKE_COMMAND}" -DPYTHON_PACKAGE_NAME=Python
diff --git a/Tests/FindPython/Python2/CMakeLists.txt b/Tests/FindPython/Python2/CMakeLists.txt
index 95ed495..f858574 100644
--- a/Tests/FindPython/Python2/CMakeLists.txt
+++ b/Tests/FindPython/Python2/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython2 LANGUAGES C)
 
@@ -39,7 +39,7 @@ target_compile_definitions (spam2 PRIVATE PYTHON2)
 
 add_test (NAME python2_spam2
           COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:spam2>"
-          "${Python2_EXECUTABLE}" -c "import spam2; spam2.system(\"cd\")")
+          "${Python2_INTERPRETER}" -c "import spam2; spam2.system(\"cd\")")
 
 add_test(NAME findpython2_script
          COMMAND "${CMAKE_COMMAND}" -DPYTHON_PACKAGE_NAME=Python2
diff --git a/Tests/FindPython/Python2Embedded/CMakeLists.txt b/Tests/FindPython/Python2Embedded/CMakeLists.txt
index d9b2d22..0a04f70 100644
--- a/Tests/FindPython/Python2Embedded/CMakeLists.txt
+++ b/Tests/FindPython/Python2Embedded/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython2Embedded LANGUAGES C)
 
diff --git a/Tests/FindPython/Python2Fail/CMakeLists.txt b/Tests/FindPython/Python2Fail/CMakeLists.txt
index 7a6520d..7f7b906 100644
--- a/Tests/FindPython/Python2Fail/CMakeLists.txt
+++ b/Tests/FindPython/Python2Fail/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython2Fail C)
 
diff --git a/Tests/FindPython/Python2Module/CMakeLists.txt b/Tests/FindPython/Python2Module/CMakeLists.txt
index 7334d7a..6fffad4 100644
--- a/Tests/FindPython/Python2Module/CMakeLists.txt
+++ b/Tests/FindPython/Python2Module/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython2Module LANGUAGES C)
 
@@ -34,4 +34,4 @@ target_compile_definitions (spam2 PRIVATE PYTHON2)
 
 add_test (NAME python2_spam2
           COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:spam2>"
-          "${Python2_EXECUTABLE}" -c "import spam2; spam2.system(\"cd\")")
+          "${Python2_INTERPRETER}" -c "import spam2; spam2.system(\"cd\")")
diff --git a/Tests/FindPython/Python2SABIModule/CMakeLists.txt b/Tests/FindPython/Python2SABIModule/CMakeLists.txt
index ffbaa33..c43dedc 100644
--- a/Tests/FindPython/Python2SABIModule/CMakeLists.txt
+++ b/Tests/FindPython/Python2SABIModule/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython2SABIModule LANGUAGES C)
 
diff --git a/Tests/FindPython/Python3/CMakeLists.txt b/Tests/FindPython/Python3/CMakeLists.txt
index 42d31f2..53d8b12 100644
--- a/Tests/FindPython/Python3/CMakeLists.txt
+++ b/Tests/FindPython/Python3/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython3 LANGUAGES C)
 
@@ -39,7 +39,7 @@ target_compile_definitions (spam3 PRIVATE PYTHON3)
 
 add_test (NAME python3_spam3
           COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:spam3>"
-          "${Python3_EXECUTABLE}" -c "import spam3; spam3.system(\"cd\")")
+          "${Python3_INTERPRETER}" -c "import spam3; spam3.system(\"cd\")")
 
 add_test(NAME findpython3_script
          COMMAND "${CMAKE_COMMAND}" -DPYTHON_PACKAGE_NAME=Python3
diff --git a/Tests/FindPython/Python3Embedded/CMakeLists.txt b/Tests/FindPython/Python3Embedded/CMakeLists.txt
index 1d362be..46f7042 100644
--- a/Tests/FindPython/Python3Embedded/CMakeLists.txt
+++ b/Tests/FindPython/Python3Embedded/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython3Embedded LANGUAGES C)
 
diff --git a/Tests/FindPython/Python3Fail/CMakeLists.txt b/Tests/FindPython/Python3Fail/CMakeLists.txt
index 5eca0cb..810375b 100644
--- a/Tests/FindPython/Python3Fail/CMakeLists.txt
+++ b/Tests/FindPython/Python3Fail/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython3Fail C)
 
diff --git a/Tests/FindPython/Python3Module/CMakeLists.txt b/Tests/FindPython/Python3Module/CMakeLists.txt
index 57c0ddf..e47a76a 100644
--- a/Tests/FindPython/Python3Module/CMakeLists.txt
+++ b/Tests/FindPython/Python3Module/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython3Module LANGUAGES C)
 
@@ -43,4 +43,4 @@ target_compile_definitions (spam3 PRIVATE PYTHON3)
 
 add_test (NAME python3_spam3
           COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:spam3>"
-          "${Python3_EXECUTABLE}" -c "import spam3; spam3.system(\"cd\")")
+          "${Python3_INTERPRETER}" -c "import spam3; spam3.system(\"cd\")")
diff --git a/Tests/FindPython/Python3SABIModule/CMakeLists.txt b/Tests/FindPython/Python3SABIModule/CMakeLists.txt
index e045b69..77d3abc 100644
--- a/Tests/FindPython/Python3SABIModule/CMakeLists.txt
+++ b/Tests/FindPython/Python3SABIModule/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.7)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestPython3SABIModule LANGUAGES C)
 
@@ -52,4 +52,4 @@ endif()
 
 add_test (NAME python3_spam3
           COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:spam3>"
-          "${Python3_EXECUTABLE}" -c "import spam3; spam3.system(\"cd\")")
+          "${Python3_INTERPRETER}" -c "import spam3; spam3.system(\"cd\")")
diff --git a/Tests/FindPython/RequiredArtifacts/CMakeLists.txt b/Tests/FindPython/RequiredArtifacts/CMakeLists.txt
index eec28a5..5df01c6 100644
--- a/Tests/FindPython/RequiredArtifacts/CMakeLists.txt
+++ b/Tests/FindPython/RequiredArtifacts/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestRequiredArtifacts LANGUAGES C)
 
diff --git a/Tests/FindPython/RequiredArtifacts/Check/CMakeLists.txt b/Tests/FindPython/RequiredArtifacts/Check/CMakeLists.txt
index 4d9c7c8..25bdcf3 100644
--- a/Tests/FindPython/RequiredArtifacts/Check/CMakeLists.txt
+++ b/Tests/FindPython/RequiredArtifacts/Check/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestRequiredArtifacts.Check LANGUAGES C)
 
diff --git a/Tests/FindPython/SOABI/CMakeLists.txt b/Tests/FindPython/SOABI/CMakeLists.txt
index 6c0e9a9..362df7f 100644
--- a/Tests/FindPython/SOABI/CMakeLists.txt
+++ b/Tests/FindPython/SOABI/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestSOABI LANGUAGES C)
 
diff --git a/Tests/FindPython/VirtualEnv/CMakeLists.txt b/Tests/FindPython/VirtualEnv/CMakeLists.txt
index ea742ea..7837916 100644
--- a/Tests/FindPython/VirtualEnv/CMakeLists.txt
+++ b/Tests/FindPython/VirtualEnv/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestVirtualEnv LANGUAGES NONE)
 
diff --git a/Tests/FindPython/VirtualEnv/VirtualEnvDefault.cmake b/Tests/FindPython/VirtualEnv/VirtualEnvDefault.cmake
index 020ecac..8f56d00 100644
--- a/Tests/FindPython/VirtualEnv/VirtualEnvDefault.cmake
+++ b/Tests/FindPython/VirtualEnv/VirtualEnvDefault.cmake
@@ -1,3 +1,4 @@
+cmake_minimum_required(VERSION 3.15)
 
 find_package (Python3 REQUIRED)
 
diff --git a/Tests/FindPython/VirtualEnv/VirtualEnvOnly.cmake b/Tests/FindPython/VirtualEnv/VirtualEnvOnly.cmake
index 29a4924..9ae4975 100644
--- a/Tests/FindPython/VirtualEnv/VirtualEnvOnly.cmake
+++ b/Tests/FindPython/VirtualEnv/VirtualEnvOnly.cmake
@@ -1,3 +1,4 @@
+cmake_minimum_required(VERSION 3.15)
 
 #
 # Virtual environment is defined for python3
diff --git a/Tests/FindPython/VirtualEnv/VirtualEnvStandard.cmake b/Tests/FindPython/VirtualEnv/VirtualEnvStandard.cmake
index 89f27d8..353a91b 100644
--- a/Tests/FindPython/VirtualEnv/VirtualEnvStandard.cmake
+++ b/Tests/FindPython/VirtualEnv/VirtualEnvStandard.cmake
@@ -1,3 +1,4 @@
+cmake_minimum_required(VERSION 3.15)
 
 set (Python3_FIND_VIRTUALENV STANDARD)
 find_package (Python3 REQUIRED)
diff --git a/Tests/FindPython/VirtualEnvConda/CMakeLists.txt b/Tests/FindPython/VirtualEnvConda/CMakeLists.txt
index 3a64c31..6482793 100644
--- a/Tests/FindPython/VirtualEnvConda/CMakeLists.txt
+++ b/Tests/FindPython/VirtualEnvConda/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
+cmake_minimum_required(VERSION 3.15)
 
 project(TestVirtualEnvConda LANGUAGES NONE)
 
diff --git a/Tests/FindPython/VirtualEnvConda/VirtualEnvDefault.cmake b/Tests/FindPython/VirtualEnvConda/VirtualEnvDefault.cmake
index 020ecac..8f56d00 100644
--- a/Tests/FindPython/VirtualEnvConda/VirtualEnvDefault.cmake
+++ b/Tests/FindPython/VirtualEnvConda/VirtualEnvDefault.cmake
@@ -1,3 +1,4 @@
+cmake_minimum_required(VERSION 3.15)
 
 find_package (Python3 REQUIRED)
 
diff --git a/Tests/FindPython/VirtualEnvConda/VirtualEnvOnly.cmake b/Tests/FindPython/VirtualEnvConda/VirtualEnvOnly.cmake
index 29a4924..9ae4975 100644
--- a/Tests/FindPython/VirtualEnvConda/VirtualEnvOnly.cmake
+++ b/Tests/FindPython/VirtualEnvConda/VirtualEnvOnly.cmake
@@ -1,3 +1,4 @@
+cmake_minimum_required(VERSION 3.15)
 
 #
 # Virtual environment is defined for python3
diff --git a/Tests/FindPython/VirtualEnvConda/VirtualEnvStandard.cmake b/Tests/FindPython/VirtualEnvConda/VirtualEnvStandard.cmake
index 89f27d8..353a91b 100644
--- a/Tests/FindPython/VirtualEnvConda/VirtualEnvStandard.cmake
+++ b/Tests/FindPython/VirtualEnvConda/VirtualEnvStandard.cmake
@@ -1,3 +1,4 @@
+cmake_minimum_required(VERSION 3.15)
 
 set (Python3_FIND_VIRTUALENV STANDARD)
 find_package (Python3 REQUIRED)