cmSourceFileLocation: Collapse full path for directory comparisons.

Otherwise Matches() ends up doing a comparison of
the directories

 /path/to/dir/subdir/..

and

 /path/to/dir

as strings and not matching where it should.

3 files changed, 16 insertions, 0 deletions

diff --git a/Tests/Properties/CMakeLists.txt b/Tests/Properties/CMakeLists.txt
index 285d596..11fca45 100644
--- a/Tests/Properties/CMakeLists.txt
+++ b/Tests/Properties/CMakeLists.txt
@@ -143,3 +143,5 @@ set_property(CACHE SOME_ENTRY PROPERTY VALUE "${expect_VALUE}")
 set_property(CACHE SOME_ENTRY PROPERTY ADVANCED "${expect_ADVANCED}")
 set_property(CACHE SOME_ENTRY PROPERTY STRINGS "${expect_STRINGS}")
 check_cache_props()
+
+add_subdirectory(SubDir2)
diff --git a/Tests/Properties/SubDir2/CMakeLists.txt b/Tests/Properties/SubDir2/CMakeLists.txt
new file mode 100644
index 0000000..377dc83
--- /dev/null
+++ b/Tests/Properties/SubDir2/CMakeLists.txt
@@ -0,0 +1,5 @@
+
+set_source_files_properties("${CMAKE_CURRENT_SOURCE_DIR}/../subdirtest.cxx"
+  PROPERTIES COMPILE_DEFINITIONS SUBDIR_TEST)
+
+add_executable(subdirtest "${CMAKE_CURRENT_SOURCE_DIR}/../subdirtest.cxx")
diff --git a/Tests/Properties/subdirtest.cxx b/Tests/Properties/subdirtest.cxx
new file mode 100644
index 0000000..02d8f3d
--- /dev/null
+++ b/Tests/Properties/subdirtest.cxx
@@ -0,0 +1,9 @@
+
+#ifndef SUBDIR_TEST
+#error Expected SUBDIR_TEST
+#endif
+
+int main(int, char**)
+{
+  return 0;
+}