Requirements for compiling AFD Fedora su - yum localinstall --nogpgcheck http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm yum install gcc openmotif-devel openssl-devel libXaw-devel libXpm-devel SuSE su - zypper install gcc make openmotif-devel libopenssl-devel MacOS For gcc download and install the Apple development environment https://developer.apple.com/xcode/. In XCode, install the optional components "command line tools" from the "Downloads" preference pane, then gcc is available on the Mac. For X11 install XQuartz http://xquartz.macosforge.org/landing/