REQUIREMENTS to compile GRASS GIS

A workstation running some flavor of UNIX like Solaris, IRIX, Linux, BSD, Mac OS X or cygwin (on Win32). Ideally, you should have at least 500 Mb for data and 32 Mb RAM. The source code package needs around 100 MB uncompressed. The resulting binaries may need between 50 MB and 180 MB depending on your platform and compile options. During a full compilation you may temporarily need as much as 550MB including the source code.

To disable features please read the INSTALL file.

General requirements:

(most tools are standard tools on Linux, for other platforms you may have to install some of them.)

C-compiler (cc, gcc, egcs, ...)

http://www.gnu.org/software/gcc/gcc.html

GNU make is recommended

http://www.gnu.org/software/make/make.html

zlib compression library (already installed on modern systems)

http://www.gzip.org/zlib/

lexical analyzer generator (flex),

http://www.gnu.org/software/flex/flex.html

parser generator (yacc, bison)

http://www.gnu.org/software/bison/bison.html

libncurses4.x/5.x (already installed on modern systems)

http://www.gnu.org/software/ncurses/ncurses.html

ftp://ftp.gnu.org/pub/gnu/ncurses/

X11 window system for graphical output, development libraries (X development libraries, in some linux distributions they are separate packages)

http://www.xfree.org

winGRASS: As alternative a generic MS-Windows driver is under construction which does not require X11

Optional requirements:

Tcl/Tk 8.x libraries (they include 'wish') to use TclTkGRASS Interface and to compile src.contrib/GMSL/NVIZ2.2/
see http://tcl.sourceforge.net/
Mesa-3.x (openGL clone) required for NVIZ2.2
http://mesa3d.sourceforge.net/
Special compile instructions:
http://grass.itc.it/grass5/README.mesa31
FFTW 2.x (library for computing the Discrete Fourier Transform) required for i.fft and i.ifft modules
http://www.fftw.org
LAPACK / BLAS (libraries for numerical computing) required for GMATH library (GRASS numerical lib)
[http://www.netlib.org/lapack/] (usually on Linux distros)
Note: the support is intended for future module implementations
libpng (for r.in.png, r.out.png), usually already installed.
http://www.libpng.org/pub/png/libpng.html
libjpeg (for r.in.tiff, r.out.tiff), usually already installed.
http://www.ijg.org
ftp://ftp.uu.net/graphics/jpeg/
libtiff (for r.in.tiff, r.out.tiff), usually already installed.
http://www.libtiff.org
netpbm-tools/libraries (for r.in.png/r.out.png), usually already installed.
[please look at any decent software mirror near you!]
http://wuarchive.wustl.edu/graphics/graphics/packages/NetPBM
http://www.sourceforge.net/projects/netpbm/
PostgreSQL libraries (for the PostgreSQL database interface)
http://www.postgresql.org
Unix ODBC (for the ODBC database interface)
http://www.unixodbc.org
Only required for "xanim" and "ogl3d": the Motif or Lesstif libraries
http://www.lesstif.org
r.in.gdal requires GDAL - Geospatial Data Abstraction Library
http://www.remotesensing.org/gdal/
R language (for the R language interface)
http://cran.r-project.org
FreeType2 (for d.text.freetype)
http://www.freetype.org/
PROJ.4 Cartographic Projections Library
GRASS has an internal `private' copy of PROJ.4 contained within the source tree, based on PROJ.4.4.5 with some bugfixes. Optionally (GRASS version >= 5.3), you may install an external copy of PROJ.4 and then use the --with-proj configure option to link against this instead. Advantages: you may save some disk space by using a shared library, and may be able to use the latest features or take advantage of bugfixes before they make it into the GRASS copy of PROJ. Note for GRASS version >= 5.7, an external PROJ.4 library is a mandatory requirement.
http://www.remotesensing.org/proj/

Note:

SUN Solaris users may go here to download precompiled libraries etc.:
http://www.sunfreeware.com/

SGI IRIX users may go here to download precompiled libraries etc.:
http://freeware.sgi.com/

GRASS Development Team 2001-2002

Please report bugs here:
http://grass.itc.it/bugtracking/bugreport.html

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