CPack/DMG: Do not use CPACK_RESOURCE_FILE_LICENSE for SLA by default

Since macOS 12.0 deprecated the tools needed to attach a SLA to a
`.dmg`, we should no longer do this by default.  Add a policy to
change the default to off.

Fixes: #22978

8 files changed, 29 insertions, 1 deletions

diff --git a/Tests/RunCMake/CPackConfig/CMP0133-NEW-check.cmake b/Tests/RunCMake/CPackConfig/CMP0133-NEW-check.cmake
new file mode 100644
index 0000000..c1ef0d1
--- /dev/null
+++ b/Tests/RunCMake/CPackConfig/CMP0133-NEW-check.cmake
@@ -0,0 +1,3 @@
+include(${RunCMake_SOURCE_DIR}/check.cmake)
+
+test_variable(CPACK_DMG_SLA_USE_RESOURCE_FILE_LICENSE "")
diff --git a/Tests/RunCMake/CPackConfig/CMP0133-NEW.cmake b/Tests/RunCMake/CPackConfig/CMP0133-NEW.cmake
new file mode 100644
index 0000000..79c1a59
--- /dev/null
+++ b/Tests/RunCMake/CPackConfig/CMP0133-NEW.cmake
@@ -0,0 +1,2 @@
+set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_LIST_DIR}/SLA.txt")
+cmake_policy(SET CMP0133 NEW)
diff --git a/Tests/RunCMake/CPackConfig/CMP0133-WARN-check.cmake b/Tests/RunCMake/CPackConfig/CMP0133-WARN-check.cmake
new file mode 100644
index 0000000..01de980
--- /dev/null
+++ b/Tests/RunCMake/CPackConfig/CMP0133-WARN-check.cmake
@@ -0,0 +1,3 @@
+include(${RunCMake_SOURCE_DIR}/check.cmake)
+
+test_variable(CPACK_DMG_SLA_USE_RESOURCE_FILE_LICENSE "ON")
diff --git a/Tests/RunCMake/CPackConfig/CMP0133-WARN-stderr.txt b/Tests/RunCMake/CPackConfig/CMP0133-WARN-stderr.txt
new file mode 100644
index 0000000..2858025
--- /dev/null
+++ b/Tests/RunCMake/CPackConfig/CMP0133-WARN-stderr.txt
@@ -0,0 +1,12 @@
+^CMake Warning \(dev\) at [^
+]*/Modules/CPack.cmake:[0-9]+ \(message\):
+  Policy CMP0133 is not set: The CPack module disables SLA by default in the
+  CPack DragNDrop Generator.  Run "cmake --help-policy CMP0133" for policy
+  details.  Use the cmake_policy command to set the policy and suppress this
+  warning.
+
+  For compatibility, CMake will enable the SLA in the CPack DragNDrop
+  Generator.
+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/CPackConfig/CMP0133-WARN.cmake b/Tests/RunCMake/CPackConfig/CMP0133-WARN.cmake
new file mode 100644
index 0000000..3f2208b
--- /dev/null
+++ b/Tests/RunCMake/CPackConfig/CMP0133-WARN.cmake
@@ -0,0 +1,2 @@
+set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_LIST_DIR}/SLA.txt")
+set(CMAKE_POLICY_WARNING_CMP0133 1)
diff --git a/Tests/RunCMake/CPackConfig/CMakeLists.txt b/Tests/RunCMake/CPackConfig/CMakeLists.txt
index 9a9e7b4..1e071ec 100644
--- a/Tests/RunCMake/CPackConfig/CMakeLists.txt
+++ b/Tests/RunCMake/CPackConfig/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.3)
 
 project(${RunCMake_TEST})
-include(${RunCMake_TEST}.cmake)
+include(${RunCMake_TEST}.cmake NO_POLICY_SCOPE)
 
 include(CPack)
diff --git a/Tests/RunCMake/CPackConfig/RunCMakeTest.cmake b/Tests/RunCMake/CPackConfig/RunCMakeTest.cmake
index 8f2196d..32c7296 100644
--- a/Tests/RunCMake/CPackConfig/RunCMakeTest.cmake
+++ b/Tests/RunCMake/CPackConfig/RunCMakeTest.cmake
@@ -1,5 +1,7 @@
 include(RunCMake)
 
+run_cmake(CMP0133-NEW)
+run_cmake(CMP0133-WARN)
 run_cmake(Simple)
 run_cmake(Default)
 run_cmake(Special)
diff --git a/Tests/RunCMake/CPackConfig/SLA.txt b/Tests/RunCMake/CPackConfig/SLA.txt
new file mode 100644
index 0000000..94b19c3
--- /dev/null
+++ b/Tests/RunCMake/CPackConfig/SLA.txt
@@ -0,0 +1,4 @@
+Example License File
+--------------------
+
+This is an example license file for a DMG.