From 0bb5b5bba8ae3c4aa109b46c56233521e7c35eda Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Mon, 1 Feb 2016 14:22:56 +0100
Subject: [PATCH] OGR provider: advertize CircularGeometries in capabilities
 when OGR advertizes 'CurveGeometries' support

---
 src/providers/ogr/qgsogrprovider.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/providers/ogr/qgsogrprovider.cpp b/src/providers/ogr/qgsogrprovider.cpp
index 8a557570985..dcf14d1a332 100644
--- a/src/providers/ogr/qgsogrprovider.cpp
+++ b/src/providers/ogr/qgsogrprovider.cpp
@@ -1529,6 +1529,12 @@ int QgsOgrProvider::capabilities() const
       }
     }
 
+    /* Curve geometries are available in some drivers starting with GDAL 2.0 */
+    if ( OGR_L_TestCapability( ogrLayer, "CurveGeometries" ) )
+    {
+      ability |= CircularGeometries;
+    }
+
     // supports geometry simplification on provider side
 #if defined(GDAL_VERSION_NUM) && defined(GDAL_COMPUTE_VERSION)
 #if GDAL_VERSION_NUM >= GDAL_COMPUTE_VERSION(1,11,0)