Normalize system directories from the interface target property

The input dir being tested is normalized, so ensure that the entries
in the vector are normalized too (eg no trailing slash).

1 files changed, 6 insertions, 0 deletions

diff --git a/Source/cmGeneratorTarget.cxx b/Source/cmGeneratorTarget.cxx
index 5ce0e6b..62ac263 100644
--- a/Source/cmGeneratorTarget.cxx
+++ b/Source/cmGeneratorTarget.cxx
@@ -80,6 +80,12 @@ bool cmGeneratorTarget::IsSystemIncludeDirectory(const char *dir,
                                         config, false, this->Target,
                                         &dagChecker), result);
       }
+    for(std::vector<std::string>::iterator li = result.begin();
+        li != result.end(); ++li)
+      {
+      cmSystemTools::ConvertToUnixSlashes(*li);
+      }
+
     IncludeCacheType::value_type entry(config_upper, result);
     iter = this->SystemIncludesCache.insert(entry).first;
     }