GDAL
ogr_libs.h
1 /******************************************************************************
2  * $Id: ogr_libs.h 36883 2016-12-15 13:31:12Z rouault $
3  *
4  * Project: OpenGIS Simple Features Reference Implementation
5  * Purpose: Definitions related to support for use of SFCGAL and GEOS in OGR.
6  * This file is only intended to be pulled in by OGR implementation
7  * code directly accessing SFCGAL and/or GEOS.
8  * Author: Avyav Kumar Singh <avyavkumar at gmail dot com>
9  *
10  ******************************************************************************
11  * Copyright (c) 2016, Avyav Kumar Singh <avyavkumar at gmail dot com>
12  *
13  * Permission is hereby granted, free of charge, to any person obtaining a
14  * copy of this software and associated documentation files (the "Software"),
15  * to deal in the Software without restriction, including without limitation
16  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17  * and/or sell copies of the Software, and to permit persons to whom the
18  * Software is furnished to do so, subject to the following conditions:
19  *
20  * The above copyright notice and this permission notice shall be included
21  * in all copies or substantial portions of the Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
24  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
29  * DEALINGS IN THE SOFTWARE.
30  ****************************************************************************/
31 
32 #ifndef HAVE_GEOS
33 #define UNUSED_IF_NO_GEOS CPL_UNUSED
34 #else
35 #define UNUSED_IF_NO_GEOS
36 #endif
37 
38 #ifndef HAVE_SFCGAL
39 #define UNUSED_IF_NO_SFCGAL CPL_UNUSED
40 #else
41 #define UNUSED_IF_NO_SFCGAL
42 #endif
43 
44 #ifndef UNUSED_PARAMETER
45 
46 #ifdef HAVE_GEOS
47 #ifndef HAVE_SFCGAL
48 #define UNUSED_PARAMETER UNUSED_IF_NO_SFCGAL // SFCGAL no and GEOS yes - GEOS methods always work
49 #else
50 #define UNUSED_PARAMETER // Both libraries are present
51 #endif
52 #endif
53 
54 #ifndef HAVE_GEOS
55 #ifdef HAVE_SFCGAL
56 #define UNUSED_PARAMETER UNUSED_IF_NO_GEOS // SFCGAL yes and GEOS no - SFCGAL methods always work
57 #else
58 #define UNUSED_PARAMETER CPL_UNUSED // Neither of the libraries have support enabled
59 #endif
60 #endif
61 
62 #endif

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