Merge topic 'cmState-policies'

757a1f54 cmState: Move PolicyState from cmMakefile.
52dbe654 cmState: Record the end position of each directory.
65a5e0c6 cmLinkedTree: Add Clear API.
34835433 cmState: Add Type for policy scope.
af0de01c cmState: Remove call stack parent tracking.
6ae8b30b cmMakefile: Move policy barriers inside cmState scopes.
a5fc17b5 cmMakefile: Re-order policy entries and barriers.
0a01e6c6 cmState: Add Snapshot Type accessor.
f0005bb4 Tests: Verify generate-time policy scope behavior.

11 files changed, 40 insertions, 0 deletions

diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 78df603..c274d8f 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -146,6 +146,7 @@ add_RunCMake_test(TargetSources)
 add_RunCMake_test(find_dependency)
 add_RunCMake_test(CompileDefinitions)
 add_RunCMake_test(CompileFeatures)
+add_RunCMake_test(PolicyScope)
 add_RunCMake_test(WriteCompilerDetectionHeader)
 if(NOT WIN32)
   add_RunCMake_test(PositionIndependentCode)
diff --git a/Tests/RunCMake/PolicyScope/CMakeLists.txt b/Tests/RunCMake/PolicyScope/CMakeLists.txt
new file mode 100644
index 0000000..667561e
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.8.12)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake NO_POLICY_SCOPE)
diff --git a/Tests/RunCMake/PolicyScope/RunCMakeTest.cmake b/Tests/RunCMake/PolicyScope/RunCMakeTest.cmake
new file mode 100644
index 0000000..d6c021f
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/RunCMakeTest.cmake
@@ -0,0 +1,4 @@
+include(RunCMake)
+
+run_cmake(parent-dir-generate-time)
+run_cmake(dir-in-macro-generate-time)
diff --git a/Tests/RunCMake/PolicyScope/dir-in-macro-generate-time-result.txt b/Tests/RunCMake/PolicyScope/dir-in-macro-generate-time-result.txt
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/dir-in-macro-generate-time-result.txt
@@ -0,0 +1 @@
+0
diff --git a/Tests/RunCMake/PolicyScope/dir-in-macro-generate-time-stderr.txt b/Tests/RunCMake/PolicyScope/dir-in-macro-generate-time-stderr.txt
new file mode 100644
index 0000000..d223f42
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/dir-in-macro-generate-time-stderr.txt
@@ -0,0 +1,5 @@
+CMake Warning \(dev\) at dir1/CMakeLists.txt:5 \(target_compile_definitions\):
+  Policy CMP0044 is not set: Case sensitive <LANG>_COMPILER_ID generator
+  expressions.  Run "cmake --help-policy CMP0044" for policy details.  Use
+  the cmake_policy command to set the policy and suppress this warning.
+This warning is for project developers.  Use -Wno-dev to suppress it.
diff --git a/Tests/RunCMake/PolicyScope/dir-in-macro-generate-time.cmake b/Tests/RunCMake/PolicyScope/dir-in-macro-generate-time.cmake
new file mode 100644
index 0000000..04a7c2c
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/dir-in-macro-generate-time.cmake
@@ -0,0 +1,2 @@
+
+include(dir-in-macro-include.cmake)
diff --git a/Tests/RunCMake/PolicyScope/dir-in-macro-include.cmake b/Tests/RunCMake/PolicyScope/dir-in-macro-include.cmake
new file mode 100644
index 0000000..fd326f1
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/dir-in-macro-include.cmake
@@ -0,0 +1,6 @@
+
+enable_language(CXX)
+
+# This does not affect dir1 despite being set before the add_subdirectory.
+cmake_policy(SET CMP0044 NEW)
+add_subdirectory(dir1)
diff --git a/Tests/RunCMake/PolicyScope/dir1/CMakeLists.txt b/Tests/RunCMake/PolicyScope/dir1/CMakeLists.txt
new file mode 100644
index 0000000..16bcb36
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/dir1/CMakeLists.txt
@@ -0,0 +1,5 @@
+
+
+add_library(foo STATIC foo.cpp)
+string(TOLOWER ${CMAKE_CXX_COMPILER_ID} compiler_id)
+target_compile_definitions(foo PRIVATE Foo=$<CXX_COMPILER_ID:${compiler_id}>)
diff --git a/Tests/RunCMake/PolicyScope/dir1/foo.cpp b/Tests/RunCMake/PolicyScope/dir1/foo.cpp
new file mode 100644
index 0000000..766b775
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/dir1/foo.cpp
@@ -0,0 +1,5 @@
+
+int main()
+{
+  return 0;
+}
diff --git a/Tests/RunCMake/PolicyScope/parent-dir-generate-time-result.txt b/Tests/RunCMake/PolicyScope/parent-dir-generate-time-result.txt
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/parent-dir-generate-time-result.txt
@@ -0,0 +1 @@
+0
diff --git a/Tests/RunCMake/PolicyScope/parent-dir-generate-time.cmake b/Tests/RunCMake/PolicyScope/parent-dir-generate-time.cmake
new file mode 100644
index 0000000..a0842f7
--- /dev/null
+++ b/Tests/RunCMake/PolicyScope/parent-dir-generate-time.cmake
@@ -0,0 +1,7 @@
+
+enable_language(CXX)
+
+add_subdirectory(dir1)
+
+# This affects dir1 despite being set after the add_subdirectory.
+cmake_policy(SET CMP0044 NEW)