The message tells you the problem - MRTG cannot compile, because you do not have a working GD library. The most likely reason I think (since you clearly have gd.h installed) is that it is a too old version that does not support PNG, GIF or JPG.
Try doing this - 1. Upgrade your GD library to the latest available version, and make sure you have the dev package as well if necessary. In Redhat Linux, this means installing the 'gd' and 'gd-devel' packages; in Debian or Ubuntu, try to install 'libgd-dev' (it has a lot of dependencies). 2. If this does not work, install from source. Download from boutell.com the GD library source, and configure and install for your system. You will also need to get libpng and libfreetype if you do not have them installed already. HTH Steve Steve Shipway [email protected] From: mrtg [mailto:[email protected]] On Behalf Of Rick Silacci Sent: Friday, 6 March 2015 9:58 a.m. To: [email protected] Subject: [mrtg] 1 out of many error messages: checking for gdImageGif in -lgd... no I am getting following error when configuring MRTG. I want to use it to measure bandwidth using Nagios. 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 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/> 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 precompiled against it, you have to install it ... Thanks
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