Hello, Here is a patch to compile gmsh with OpenCascade 6.5.3. Denis -------------- next part -------------- A non-text attachment was scrubbed... Name: occ653.patch Type: application/octet-stream Size: 457 bytes Desc: not available URL: <http://www.geuz.org/pipermail/gmsh/attachments/20120610/debcd039/attachment.patch>