FindPython: Add possibility to control scope of artifacts.

Fixes: #20362

3 files changed, 56 insertions, 3 deletions

diff --git a/Tests/FindPython/ArtifactsInteractive/CMakeLists.txt b/Tests/FindPython/ArtifactsInteractive/CMakeLists.txt
new file mode 100644
index 0000000..524be92
--- /dev/null
+++ b/Tests/FindPython/ArtifactsInteractive/CMakeLists.txt
@@ -0,0 +1,24 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestArtifactsInteractive LANGUAGES C)
+
+set (components Interpreter Development)
+if (CMake_TEST_FindPython_NumPy)
+  list (APPEND components NumPy)
+endif()
+
+find_package(Python3 REQUIRED COMPONENTS ${components})
+
+if (Python3_ARTIFACTS_INTERACTIVE)
+  if (NOT DEFINED CACHE{Python3_EXECUTABLE}
+      OR NOT DEFINED CACHE{Python3_LIBRARY} OR NOT DEFINED CACHE{Python3_INCLUDE_DIR}
+      OR (CMake_TEST_FindPython_NumPy AND NOT DEFINED CACHE{Python3_NumPy_INCLUDE_DIR}))
+    message (FATAL_ERROR "Python3_ARTIFACTS_INTERACTIVE=ON Failed.")
+  endif()
+else()
+  if (DEFINED CACHE{Python3_EXECUTABLE}
+      OR DEFINED CACHE{Python3_LIBRARY} OR DEFINED CACHE{Python3_INCLUDE_DIR}
+      OR (CMake_TEST_FindPython_NumPy AND DEFINED CACHE{Python3_NumPy_INCLUDE_DIR}))
+    message (FATAL_ERROR "Python3_ARTIFACTS_INTERACTIVE=OFF Failed.")
+  endif()
+endif()
diff --git a/Tests/FindPython/CMakeLists.txt b/Tests/FindPython/CMakeLists.txt
index bfec986..bd6e8ab 100644
--- a/Tests/FindPython/CMakeLists.txt
+++ b/Tests/FindPython/CMakeLists.txt
@@ -134,6 +134,35 @@ if(CMake_TEST_FindPython)
     --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
     )
 
+  add_test(NAME FindPython.ArtifactsInteractive.ON COMMAND
+    ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+    --build-and-test
+    "${CMake_SOURCE_DIR}/Tests/FindPython/ArtifactsInteractive"
+    "${CMake_BINARY_DIR}/Tests/FindPython/ArtifactsInteractive.ON"
+    ${build_generator_args}
+    --build-project TestArtifactsScope
+    --build-options ${build_options} "-Dbuild_generator_args=${build_generator_args}"
+    "-DCMake_SOURCE_DIR=${CMake_SOURCE_DIR}"
+    "-DCMake_BINARY_DIR=${CMake_BINARY_DIR}"
+    "-DCMake_TEST_FindPython_NumPy=${CMake_TEST_FindPython_NumPy}"
+    "-DPython3_ARTIFACTS_INTERACTIVE=ON"
+    --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+    )
+  add_test(NAME FindPython.ArtifactsInteractive.OFF COMMAND
+    ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+    --build-and-test
+    "${CMake_SOURCE_DIR}/Tests/FindPython/ArtifactsInteractive"
+    "${CMake_BINARY_DIR}/Tests/FindPython/ArtifactsInteractive.OFF"
+    ${build_generator_args}
+    --build-project TestArtifactsScope
+    --build-options ${build_options} "-Dbuild_generator_args=${build_generator_args}"
+    "-DCMake_SOURCE_DIR=${CMake_SOURCE_DIR}"
+    "-DCMake_BINARY_DIR=${CMake_BINARY_DIR}"
+    "-DCMake_TEST_FindPython_NumPy=${CMake_TEST_FindPython_NumPy}"
+    "-DPython3_ARTIFACTS_INTERACTIVE=OFF"
+    --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+    )
+
   add_test(NAME FindPython.CustomFailureMessage COMMAND
     ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
     --build-and-test
diff --git a/Tests/FindPython/Python3/CMakeLists.txt b/Tests/FindPython/Python3/CMakeLists.txt
index 6691a48..34ebd2c 100644
--- a/Tests/FindPython/Python3/CMakeLists.txt
+++ b/Tests/FindPython/Python3/CMakeLists.txt
@@ -15,14 +15,14 @@ if (NOT Python3_FOUND)
 endif()
 
 if(NOT TARGET Python3::Interpreter)
-  message(SEND_ERROR "Python2::Interpreter not found")
+  message(SEND_ERROR "Python3::Interpreter not found")
 endif()
 
 if(NOT TARGET Python3::Python)
-  message(SEND_ERROR "Python2::Python not found")
+  message(SEND_ERROR "Python3::Python not found")
 endif()
 if(NOT TARGET Python3::Module)
-  message(SEND_ERROR "Python2::Module not found")
+  message(SEND_ERROR "Python3::Module not found")
 endif()
 
 Python3_add_library (spam3 MODULE ../spam.c)