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Project homepage:http://geos.osgeo.org/

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svn-3.6

More on:https://trac.osgeo.org/geos#BuildandInstall

Using Autotools:

./autogen.sh  # in ${srcdir}, if obtained from SVN or GIT${srcdir}/configure # in build dir

Using CMake:

cmake ${srcdir} # in build dir

Now, all versions:

makemake checkmake install # as rootldconfig # as root

If you use Microsoft Visual C++ (7.1 or later) compiler, you can buildGEOS using NMAKE program and providedmakefile.vc files.

If you are building from SVN or GIT checkout, first run:autogen.batThen:

nmake /f makefile.vc MSVC_VER=1400

where 1400 is version number of Visual C++ compiler, here Visual C++ 8.0from Visual Studio 2005 (supported versions are 1300, 1310, 1400, 1500,1600, 1700, 1800 and 1900).The bootstrap.bat step is required to generate a couple of header files.

In order to build debug configuration of GEOS, additional flagDEBUG=1is required:

nmake /f makefile.vc MSVC_VER=1400 DEBUG=1

To compile programs against the C lib (recommended):

CFLAGS += `geos-config --cflags`LDFLAGS += `geos-config --ldflags` -lgeos_c#include <geos_c.h>

Example usage:

capi/geostest.c contains basic usage examples.

NB: The C++ interface should not be used directly; the GEOS projectviews it as a bug for another program to use the C++ interface or evento directly link against the C++ library. The C++ library name willchange on every minor release because it is too hard to know if therehave been ABI changes. (The C library uses the C++ interface, but theC library follows normal ABI-change-sensitive versioning, so programsthat link only against the C library should work without relinkingwhen GEOS is upgraded.)

To compile programs against the C++ lib:

CFLAGS += `geos-config --cflags`LDFLAGS += `geos-config --ldflags` -lgeos#include <geos.h>

Basic usage examples can be found indoc/example.cpp.

Ruby bindings are fully supported. To build, use the--enable-ruby optionwhen configuring:

./configure ... --enable-ruby

Since version 3.6.0 PHP bindings are not included in the corelibrary anymore but available as a separate project:

https://git.osgeo.org/gogs/geos/php-geos

Since version 3.0, the Python bindings are unsupported. Recommended options:

1. Become or recruit a new maintainer.
2. UseShapely with Pythonversions 2.4 or greater.
3. Simply call functions fromlibgeos_c via Python ctypes.

To build Doxygen documentation:

cd docmake doxygen-html