Add the $<TARGET_POLICY> expression

This new expression allows checking how a policy was set when a target
was created.  That information is only recorded for a subset of policies,
so a whitelist is used.

14 files changed, 62 insertions, 0 deletions

diff --git a/Tests/RunCMake/CMP0004/CMP0004-NEW-result.txt b/Tests/RunCMake/CMP0004/CMP0004-NEW-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-NEW-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CMP0004/CMP0004-NEW-stderr.txt b/Tests/RunCMake/CMP0004/CMP0004-NEW-stderr.txt
new file mode 100644
index 0000000..a21cb6a
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-NEW-stderr.txt
@@ -0,0 +1,2 @@
+  Target "foo" links to item " bar " which has leading or trailing
+  whitespace.  This is now an error according to policy CMP0004.
diff --git a/Tests/RunCMake/CMP0004/CMP0004-NEW.cmake b/Tests/RunCMake/CMP0004/CMP0004-NEW.cmake
new file mode 100644
index 0000000..7c61961
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-NEW.cmake
@@ -0,0 +1,9 @@
+
+cmake_minimum_required(VERSION 2.8)
+
+cmake_policy(SET CMP0004 NEW)
+
+add_library(foo SHARED empty.cpp)
+add_library(bar SHARED empty.cpp)
+
+target_link_libraries(foo "$<1: bar >")
diff --git a/Tests/RunCMake/CMP0004/CMP0004-OLD-result.txt b/Tests/RunCMake/CMP0004/CMP0004-OLD-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-OLD-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CMP0004/CMP0004-OLD-stderr.txt b/Tests/RunCMake/CMP0004/CMP0004-OLD-stderr.txt
new file mode 100644
index 0000000..782e45c
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-OLD-stderr.txt
@@ -0,0 +1,2 @@
+  Target "bat" links to item " bar " which has leading or trailing
+  whitespace.  This is now an error according to policy CMP0004.
diff --git a/Tests/RunCMake/CMP0004/CMP0004-OLD.cmake b/Tests/RunCMake/CMP0004/CMP0004-OLD.cmake
new file mode 100644
index 0000000..d6ed72c
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-OLD.cmake
@@ -0,0 +1,21 @@
+
+cmake_minimum_required(VERSION 2.8)
+
+cmake_policy(SET CMP0004 OLD)
+
+add_library(foo SHARED empty.cpp)
+add_library(bar SHARED empty.cpp)
+add_library(bing SHARED empty.cpp)
+add_library(bung SHARED empty.cpp)
+
+cmake_policy(SET CMP0004 NEW)
+
+add_library(bat SHARED empty.cpp)
+
+target_link_libraries(foo "$<1: bar >")
+target_link_libraries(bing "$<$<NOT:$<TARGET_POLICY:CMP0004>>: bar >")
+target_link_libraries(bung "$<$<TARGET_POLICY:CMP0004>: bar >")
+
+# The line below causes the error because the policy is NEW when bat
+# is created.
+target_link_libraries(bat "$<1: bar >")
diff --git a/Tests/RunCMake/CMP0004/CMP0004-WARN-stderr.txt b/Tests/RunCMake/CMP0004/CMP0004-WARN-stderr.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-WARN-stderr.txt
diff --git a/Tests/RunCMake/CMP0004/CMP0004-policy-genex-result.txt b/Tests/RunCMake/CMP0004/CMP0004-policy-genex-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-policy-genex-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CMP0004/CMP0004-policy-genex-stderr.txt b/Tests/RunCMake/CMP0004/CMP0004-policy-genex-stderr.txt
new file mode 100644
index 0000000..eed53e7
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-policy-genex-stderr.txt
@@ -0,0 +1,2 @@
+  Target "foo" links to item " bat " which has leading or trailing
+  whitespace.  This is now an error according to policy CMP0004.
diff --git a/Tests/RunCMake/CMP0004/CMP0004-policy-genex.cmake b/Tests/RunCMake/CMP0004/CMP0004-policy-genex.cmake
new file mode 100644
index 0000000..eab680a
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMP0004-policy-genex.cmake
@@ -0,0 +1,14 @@
+
+cmake_minimum_required(VERSION 2.8)
+
+cmake_policy(SET CMP0004 NEW)
+
+add_library(foo SHARED empty.cpp)
+add_library(bar SHARED empty.cpp)
+add_library(bat SHARED empty.cpp)
+
+# The negation here avoids the error.
+target_link_libraries(foo "$<$<NOT:$<TARGET_POLICY:CMP0004>>: bar >")
+
+# The below line causes the error.
+target_link_libraries(foo "$<$<TARGET_POLICY:CMP0004>: bat >")
diff --git a/Tests/RunCMake/CMP0004/CMakeLists.txt b/Tests/RunCMake/CMP0004/CMakeLists.txt
new file mode 100644
index 0000000..e8db6b0
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 2.8)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/CMP0004/RunCMakeTest.cmake b/Tests/RunCMake/CMP0004/RunCMakeTest.cmake
new file mode 100644
index 0000000..950d0ed
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/RunCMakeTest.cmake
@@ -0,0 +1,5 @@
+include(RunCMake)
+
+run_cmake(CMP0004-OLD)
+run_cmake(CMP0004-NEW)
+run_cmake(CMP0004-policy-genex)
diff --git a/Tests/RunCMake/CMP0004/empty.cpp b/Tests/RunCMake/CMP0004/empty.cpp
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/Tests/RunCMake/CMP0004/empty.cpp
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 9b133b2..8822200 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -59,6 +59,7 @@ add_RunCMake_test(find_package)
 add_RunCMake_test(include)
 add_RunCMake_test(include_directories)
 add_RunCMake_test(list)
+add_RunCMake_test(CMP0004)
 
 if("${CMAKE_TEST_GENERATOR}" MATCHES "Visual Studio [^6]")
   add_RunCMake_test(include_external_msproject)