FindPython{Interp,Libs}: Add policy to remove these modules

The `FindPythonInterp` and `FindPythonLibs` modules have been deprecated
since CMake 3.12.  Add a policy to pretend they do not exist in order to
encourage projects to port to `FindPython` or `FindPython{2,3}`.

11 files changed, 70 insertions, 0 deletions

diff --git a/Tests/RunCMake/find_package/CMP0148-Interp-NEW-stderr.txt b/Tests/RunCMake/find_package/CMP0148-Interp-NEW-stderr.txt
new file mode 100644
index 0000000..68b40f7
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Interp-NEW-stderr.txt
@@ -0,0 +1,4 @@
+^CMake Warning at CMP0148-Interp-NEW\.cmake:[0-9]+ \(find_package\):
+  No "FindPythonInterp\.cmake" found in CMAKE_MODULE_PATH\.
+Call Stack \(most recent call first\):
+  CMakeLists\.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/find_package/CMP0148-Interp-NEW.cmake b/Tests/RunCMake/find_package/CMP0148-Interp-NEW.cmake
new file mode 100644
index 0000000..ccd04f5
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Interp-NEW.cmake
@@ -0,0 +1,7 @@
+cmake_policy(SET CMP0148 NEW)
+set(_FindPythonInterp_testing TRUE)
+find_package(PythonInterp MODULE)
+
+if(_FindPythonInterp_included)
+  message(FATAL_ERROR "FindPythonInterp.cmake erroneously included")
+endif()
diff --git a/Tests/RunCMake/find_package/CMP0148-Interp-OLD.cmake b/Tests/RunCMake/find_package/CMP0148-Interp-OLD.cmake
new file mode 100644
index 0000000..1879d19
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Interp-OLD.cmake
@@ -0,0 +1,7 @@
+cmake_policy(SET CMP0148 OLD)
+set(_FindPythonInterp_testing TRUE)
+find_package(PythonInterp MODULE)
+
+if(NOT _FindPythonInterp_included)
+  message(FATAL_ERROR "FindPythonInterp.cmake not included")
+endif()
diff --git a/Tests/RunCMake/find_package/CMP0148-Interp-WARN-stderr.txt b/Tests/RunCMake/find_package/CMP0148-Interp-WARN-stderr.txt
new file mode 100644
index 0000000..2666c22
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Interp-WARN-stderr.txt
@@ -0,0 +1,8 @@
+CMake Warning \(dev\) at CMP0148-Interp-WARN\.cmake:[0-9]+ \(find_package\):
+  Policy CMP0148 is not set: The FindPythonInterp and FindPythonLibs modules
+  are removed\.  Run "cmake --help-policy CMP0148" for policy details\.  Use
+  the cmake_policy command to set the policy and suppress this warning\.
+
+Call Stack \(most recent call first\):
+  CMakeLists\.txt:[0-9]+ \(include\)
+This warning is for project developers\.  Use -Wno-dev to suppress it\.$
diff --git a/Tests/RunCMake/find_package/CMP0148-Interp-WARN.cmake b/Tests/RunCMake/find_package/CMP0148-Interp-WARN.cmake
new file mode 100644
index 0000000..53b60af
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Interp-WARN.cmake
@@ -0,0 +1,6 @@
+set(_FindPythonInterp_testing TRUE)
+find_package(PythonInterp MODULE)
+
+if(NOT _FindPythonInterp_included)
+  message(FATAL_ERROR "FindPythonInterp.cmake not included")
+endif()
diff --git a/Tests/RunCMake/find_package/CMP0148-Libs-NEW-stderr.txt b/Tests/RunCMake/find_package/CMP0148-Libs-NEW-stderr.txt
new file mode 100644
index 0000000..d92b434
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Libs-NEW-stderr.txt
@@ -0,0 +1,4 @@
+^CMake Warning at CMP0148-Libs-NEW\.cmake:[0-9]+ \(find_package\):
+  No "FindPythonLibs\.cmake" found in CMAKE_MODULE_PATH\.
+Call Stack \(most recent call first\):
+  CMakeLists\.txt:[0-9]+ \(include\)
diff --git a/Tests/RunCMake/find_package/CMP0148-Libs-NEW.cmake b/Tests/RunCMake/find_package/CMP0148-Libs-NEW.cmake
new file mode 100644
index 0000000..2ef8c46
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Libs-NEW.cmake
@@ -0,0 +1,7 @@
+cmake_policy(SET CMP0148 NEW)
+set(_FindPythonLibs_testing TRUE)
+find_package(PythonLibs MODULE)
+
+if(_FindPythonLibs_included)
+  message(FATAL_ERROR "FindPythonLibs.cmake erroneously included")
+endif()
diff --git a/Tests/RunCMake/find_package/CMP0148-Libs-OLD.cmake b/Tests/RunCMake/find_package/CMP0148-Libs-OLD.cmake
new file mode 100644
index 0000000..06fd6a6
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Libs-OLD.cmake
@@ -0,0 +1,7 @@
+cmake_policy(SET CMP0148 OLD)
+set(_FindPythonLibs_testing TRUE)
+find_package(PythonLibs MODULE)
+
+if(NOT _FindPythonLibs_included)
+  message(FATAL_ERROR "FindPythonLibs.cmake not included")
+endif()
diff --git a/Tests/RunCMake/find_package/CMP0148-Libs-WARN-stderr.txt b/Tests/RunCMake/find_package/CMP0148-Libs-WARN-stderr.txt
new file mode 100644
index 0000000..5210e51
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Libs-WARN-stderr.txt
@@ -0,0 +1,8 @@
+CMake Warning \(dev\) at CMP0148-Libs-WARN\.cmake:[0-9]+ \(find_package\):
+  Policy CMP0148 is not set: The FindPythonInterp and FindPythonLibs modules
+  are removed\.  Run "cmake --help-policy CMP0148" for policy details\.  Use
+  the cmake_policy command to set the policy and suppress this warning\.
+
+Call Stack \(most recent call first\):
+  CMakeLists\.txt:[0-9]+ \(include\)
+This warning is for project developers\.  Use -Wno-dev to suppress it\.$
diff --git a/Tests/RunCMake/find_package/CMP0148-Libs-WARN.cmake b/Tests/RunCMake/find_package/CMP0148-Libs-WARN.cmake
new file mode 100644
index 0000000..9bbe066
--- /dev/null
+++ b/Tests/RunCMake/find_package/CMP0148-Libs-WARN.cmake
@@ -0,0 +1,6 @@
+set(_FindPythonLibs_testing TRUE)
+find_package(PythonLibs MODULE)
+
+if(NOT _FindPythonLibs_included)
+  message(FATAL_ERROR "FindPythonLibs.cmake not included")
+endif()
diff --git a/Tests/RunCMake/find_package/RunCMakeTest.cmake b/Tests/RunCMake/find_package/RunCMakeTest.cmake
index 26eb908..006757a 100644
--- a/Tests/RunCMake/find_package/RunCMakeTest.cmake
+++ b/Tests/RunCMake/find_package/RunCMakeTest.cmake
@@ -47,6 +47,12 @@ if(RunCMake_GENERATOR MATCHES "Visual Studio")
   run_cmake(CMP0147-WARN)
   run_cmake(CMP0147-NEW)
 endif()
+run_cmake(CMP0148-Interp-OLD)
+run_cmake(CMP0148-Interp-WARN)
+run_cmake(CMP0148-Interp-NEW)
+run_cmake(CMP0148-Libs-OLD)
+run_cmake(CMP0148-Libs-WARN)
+run_cmake(CMP0148-Libs-NEW)
 run_cmake(WrongVersionRange)
 run_cmake(EmptyVersionRange)
 run_cmake(VersionRangeWithEXACT)