[mrtg] Problem Compiling MRTG

Joel Roberts Joel.Roberts at pinkardcc.com
Mon Sep 24 20:21:57 CEST 2007

I'm going through the Unix installation instructions located at
http://oss.oetiker.ch/mrtg/doc/mrtg-unix-guide.en.html for an
installation on a Debian Linux box. Everything works fine until I get to
the step for MRTG Compilation. When I run the ./configure command, I get
the following:


lwsyslog2:/usr/local/src/mrtg-2.15.2# ./configure
--prefix=/usr/local/mrtg-2.15.2 --with-gd=/usr/local/src/gd
--with-z=/usr/local/src/zlib --with-png=/usr/local/src/libpng

checking for gcc... gcc

checking for C compiler default output file name... a.out

checking whether the C compiler works... yes

checking whether we are cross compiling... no

checking for suffix of executables...

checking for suffix of object files... o

checking whether we are using the GNU C compiler... yes

checking whether gcc accepts -g... yes

checking for gcc option to accept ANSI C... none needed

checking how to run the C preprocessor... gcc -E

checking whether make sets $(MAKE)... yes

checking for a BSD-compatible install... /usr/bin/install -c

checking for perl... /usr/bin/perl

checking for groff... /usr/bin/groff

checking for egrep... grep -E

checking for ANSI C header files... yes

checking for sys/types.h... yes

checking for sys/stat.h... yes

checking for stdlib.h... yes

checking for string.h... yes

checking for memory.h... yes

checking for strings.h... yes

checking for inttypes.h... yes

checking for stdint.h... yes

checking for unistd.h... yes

checking for inttypes.h... (cached) yes

checking for unsigned long long... yes

checking for long long... yes

checking for strtoll... yes

checking for printf long long format specifier... %lld

checking for pow in -lm... yes

checking for gdImageGif in -lgd... no

checking for gdImagePng in -lgd... no

checking for gdImagePng_jpg in -lgd... no

checking for gdImagePng_jpg_ft in -lgd... no

checking for gdImageGd in -lgd... no

checking gd.h usability... yes

checking gd.h presence... yes

checking for gd.h... yes


** Ooops, one of many bad things happened:


   a)  You don't have the GD library installed.

       Get it from http://www.boutell.com, compile it and

       use either --with-gd-lib=DIR and --with-gd-inc=DIR to specify

       its location. You might also have to use --with-z-inc,

             --with-z-lib and --with-png-inc, --with-png-lib for gd

             versions 1.6 and higher.  Check config.log for more

       information on the problem.


   b)  You have the GD library installed, but not the gd.h

       header file.  Download the source (see above) and use

       --with-gd-inc=DIR to specify where the file can be found.


   c)  You have the library and the header file installed, but

       you also have a shared GD library in the same directory.

       Remove the shared library files and/or links (e.g.

       libgd.so.2.0.0, libgd.so and libgd.so.2).  This is especially

             likely if you're using a recent (post 1.8.4) version of GD

       and didn't configure it with --disable-shared.


   d)  You have gd library installed and also it's headers, but you are

       missing libpng (and headers) or freetype (and headers)

       (mrtg does not use freetype, but if your copy of gd is

       against it, you have to install it ...


   Consider following the instructions in doc/mrtg-unix-guide.txt



The gd section of the installation completed with no errors. Has anyone
else run into this or know of a solution? I also looked at the 3rd party
documentation for the Debian install, but the paths don't match up with
what's already been done and issuing apt-get install mrtg snmpd returns
an error that it's unable to retrieve the package.

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