Compile FAQ Q. I get one of the following errors: - "security/pam_appl.h: File or directory doesn't exist" - "configure: error: please install libpam0g-dev or pam-devel" What is wrong? A. You need to install the pam development package. For Debian / Ubuntu this package is called libpam0g-dev. For Red Hat / SUSE this package is called pam-devel. Q. I get an error: "configure: error: please install libssl-dev or openssl-devel" A. You need to install the openssl development package. For Debian / Ubuntu this package is called libssl-dev. For Red Hat / Fedora this package is called openssl-devel. For SUSE / openSUSE this package is called libopenssl-devel. Q. I get one of the following errors: - "configure: error: please install libx11-dev or libX11-devel" - "configure: error: please install libx11-dev and libxfixes-dev or libXfixes-devel" A. You need to install the X11 and X11 Xfixes development package(s). For Debian: libx11-dev and libxfixes-dev. For Red Hat / SUSE: libX11-devel and libXfixes-devel. Q. I get an error: "rail.c:31:35: fatal error: X11/extensions/Xrandr.h: No such file or directory" A. You need to install the Xrandr development package. For Debian / Ubuntu this package is called libxrandr-dev. For SUSE / openSUSE this package is called libXrandr-devel.