From a990722b5a8fc15058e7024ec54885ec24ed4bbf Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Thu, 29 Aug 2013 14:51:59 -0400
Subject: eclipse: Support custom natures via a global property

This is useful for enabling natures not recognized by the Eclipse
generator directly in a project.
---
 Help/manual/cmake-properties.7.rst      |  1 +
 Help/prop_gbl/ECLIPSE_EXTRA_NATURES.rst |  8 ++++++++
 Source/cmExtraEclipseCDT4Generator.cxx  | 12 ++++++++++++
 3 files changed, 21 insertions(+)
 create mode 100644 Help/prop_gbl/ECLIPSE_EXTRA_NATURES.rst

diff --git a/Help/manual/cmake-properties.7.rst b/Help/manual/cmake-properties.7.rst
index d6d42ad..abc6fde 100644
--- a/Help/manual/cmake-properties.7.rst
+++ b/Help/manual/cmake-properties.7.rst
@@ -28,6 +28,7 @@ Properties of Global Scope
    /prop_gbl/PACKAGES_FOUND
    /prop_gbl/PACKAGES_NOT_FOUND
    /prop_gbl/PREDEFINED_TARGETS_FOLDER
+   /prop_gbl/ECLIPSE_EXTRA_NATURES
    /prop_gbl/REPORT_UNDEFINED_PROPERTIES
    /prop_gbl/RULE_LAUNCH_COMPILE
    /prop_gbl/RULE_LAUNCH_CUSTOM
diff --git a/Help/prop_gbl/ECLIPSE_EXTRA_NATURES.rst b/Help/prop_gbl/ECLIPSE_EXTRA_NATURES.rst
new file mode 100644
index 0000000..6d1529d
--- /dev/null
+++ b/Help/prop_gbl/ECLIPSE_EXTRA_NATURES.rst
@@ -0,0 +1,8 @@
+ECLIPSE_EXTRA_NATURES
+---------------------
+
+List of natures to add to the generated Eclipse project file.
+
+Eclipse projects specify language plugins by using natures. This property
+should be set to the unique identifier for a nature (which looks like a Java
+package name).
diff --git a/Source/cmExtraEclipseCDT4Generator.cxx b/Source/cmExtraEclipseCDT4Generator.cxx
index effc38c..755b445 100644
--- a/Source/cmExtraEclipseCDT4Generator.cxx
+++ b/Source/cmExtraEclipseCDT4Generator.cxx
@@ -465,6 +465,18 @@ void cmExtraEclipseCDT4Generator::CreateProjectFile()
     fout << "\t\t<nature>" << *nit << "</nature>\n";
     }
 
+  if (const char *extraNaturesProp = mf->GetCMakeInstance()->
+        GetProperty("ECLIPSE_EXTRA_NATURES", cmProperty::GLOBAL))
+    {
+    std::vector<std::string> extraNatures;
+    cmSystemTools::ExpandListArgument(extraNaturesProp, extraNatures);
+    for (std::vector<std::string>::const_iterator nit = extraNatures.begin();
+         nit != extraNatures.end(); ++nit)
+      {
+      fout << "\t\t<nature>" << *nit << "</nature>\n";
+      }
+    }
+
   fout << "\t</natures>\n";
 
   fout << "\t<linkedResources>\n";
-- 
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