BundleUtilities: Disallow inclusion at configure time

This commit adds a new CMake policy, CMP0080, which prohibits the
inclusion of BundleUtilities at configure time. The old behavior is
to allow the inclusion.

10 files changed, 32 insertions, 0 deletions

diff --git a/Tests/RunCMake/BundleUtilities/CMP0080-COMMAND.cmake b/Tests/RunCMake/BundleUtilities/CMP0080-COMMAND.cmake
new file mode 100644
index 0000000..063a7f3
--- /dev/null
+++ b/Tests/RunCMake/BundleUtilities/CMP0080-COMMAND.cmake
@@ -0,0 +1,5 @@
+if(DEFINED CMP0080_VALUE)
+  cmake_policy(SET CMP0080 ${CMP0080_VALUE})
+endif()
+
+include(BundleUtilities)
diff --git a/Tests/RunCMake/BundleUtilities/CMP0080-NEW-result.txt b/Tests/RunCMake/BundleUtilities/CMP0080-NEW-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/BundleUtilities/CMP0080-NEW-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/BundleUtilities/CMP0080-NEW-stderr.txt b/Tests/RunCMake/BundleUtilities/CMP0080-NEW-stderr.txt
new file mode 100644
index 0000000..1454b0c
--- /dev/null
+++ b/Tests/RunCMake/BundleUtilities/CMP0080-NEW-stderr.txt
@@ -0,0 +1,2 @@
+CMake Error at .*/Modules/BundleUtilities\.cmake:[0-9]+ \(message\):
+  BundleUtilities cannot be included at configure time!
diff --git a/Tests/RunCMake/BundleUtilities/CMP0080-NEW.cmake b/Tests/RunCMake/BundleUtilities/CMP0080-NEW.cmake
new file mode 100644
index 0000000..558c16d
--- /dev/null
+++ b/Tests/RunCMake/BundleUtilities/CMP0080-NEW.cmake
@@ -0,0 +1,2 @@
+cmake_policy(SET CMP0080 NEW)
+include(BundleUtilities)
diff --git a/Tests/RunCMake/BundleUtilities/CMP0080-OLD.cmake b/Tests/RunCMake/BundleUtilities/CMP0080-OLD.cmake
new file mode 100644
index 0000000..a65d92f
--- /dev/null
+++ b/Tests/RunCMake/BundleUtilities/CMP0080-OLD.cmake
@@ -0,0 +1,2 @@
+cmake_policy(SET CMP0080 OLD)
+include(BundleUtilities)
diff --git a/Tests/RunCMake/BundleUtilities/CMP0080-WARN-stderr.txt b/Tests/RunCMake/BundleUtilities/CMP0080-WARN-stderr.txt
new file mode 100644
index 0000000..a1a0e8f
--- /dev/null
+++ b/Tests/RunCMake/BundleUtilities/CMP0080-WARN-stderr.txt
@@ -0,0 +1,4 @@
+CMake Warning \(dev\) at .*/Modules/BundleUtilities\.cmake:[0-9]+ \(message\):
+  Policy CMP0080 is not set: BundleUtilities prefers not to be included at
+  configure time\.  Run "cmake --help-policy CMP0080" for policy details\.  Use
+  the cmake_policy command to set the policy and suppress this warning\.
diff --git a/Tests/RunCMake/BundleUtilities/CMP0080-WARN.cmake b/Tests/RunCMake/BundleUtilities/CMP0080-WARN.cmake
new file mode 100644
index 0000000..45f6f92
--- /dev/null
+++ b/Tests/RunCMake/BundleUtilities/CMP0080-WARN.cmake
@@ -0,0 +1 @@
+include(BundleUtilities)
diff --git a/Tests/RunCMake/BundleUtilities/CMakeLists.txt b/Tests/RunCMake/BundleUtilities/CMakeLists.txt
new file mode 100644
index 0000000..6dd8cdf
--- /dev/null
+++ b/Tests/RunCMake/BundleUtilities/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.4)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/BundleUtilities/RunCMakeTest.cmake b/Tests/RunCMake/BundleUtilities/RunCMakeTest.cmake
new file mode 100644
index 0000000..14aaff1
--- /dev/null
+++ b/Tests/RunCMake/BundleUtilities/RunCMakeTest.cmake
@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.4)
+include(RunCMake)
+
+# TODO Migrate Tests/BundleUtilities here
+
+run_cmake(CMP0080-OLD)
+run_cmake(CMP0080-NEW)
+run_cmake(CMP0080-WARN)
+run_cmake_command(CMP0080-COMMAND-OLD ${CMAKE_COMMAND} -DCMP0080_VALUE:STRING=OLD -P ${RunCMake_SOURCE_DIR}/CMP0080-COMMAND.cmake)
+run_cmake_command(CMP0080-COMMAND-NEW ${CMAKE_COMMAND} -DCMP0080_VALUE:STRING=NEW -P ${RunCMake_SOURCE_DIR}/CMP0080-COMMAND.cmake)
+run_cmake_command(CMP0080-COMMAND-WARN ${CMAKE_COMMAND} -P ${RunCMake_SOURCE_DIR}/CMP0080-COMMAND.cmake)
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index c6c90d0..69cb5b7 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -251,6 +251,7 @@ add_RunCMake_test(separate_arguments)
 add_RunCMake_test(set_property)
 add_RunCMake_test(string)
 add_RunCMake_test(test_include_dirs)
+add_RunCMake_test(BundleUtilities)
 
 function(add_RunCMake_test_try_compile)
   if(CMAKE_VERSION VERSION_LESS 3.9.20170907 AND "x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xMSVC")