From 6acd352d4023e463693d3dd55e5e50a4f17fdfd9 Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@dbsgeo.com>
Date: Fri, 3 Aug 2012 17:13:09 -0700
Subject: [PATCH] workaround clang bug on oneiric - closes #1352

---
 src/symbolizer_helpers.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/symbolizer_helpers.cpp b/src/symbolizer_helpers.cpp
index e1dcc79f7..a7dbcea08 100644
--- a/src/symbolizer_helpers.cpp
+++ b/src/symbolizer_helpers.cpp
@@ -278,8 +278,10 @@ bool text_symbolizer_helper<FaceManagerT, DetectorT>::next_placement()
     info_ = &(text_.get_string_info());
     if (placement_->properties.orientation)
     {
+        // https://github.com/mapnik/mapnik/issues/1352
+        mapnik::evaluate<Feature, value_type> evaluator(feature_);
         angle_ = boost::apply_visitor(
-            evaluate<Feature, value_type>(feature_),
+            evaluator,
             *(placement_->properties.orientation)).to_double();
     } else {
         angle_ = 0.0;