Xorg graphviz dependency graph, as in BLFS book. To generate the image: "dot -Tpng xorg_depgraph.dot >xorg_depgraph.png".

KDEPlasma_depgraph_req.dot

// KDE Plasma 5 dependency graph (dot)
// BLFS 10.0
// Required only
//
// style=solid  : required
// style=solid arrowhead=dot color=grey : required at runtime

strict digraph xorg {
label="KDE Plasma 5 dependencies
required only, BLFS 10.0
" labelloc=t
node [style=filled fillcolor=snow]


// KDE Plasma 5 stuff: {{{1=============================================================

"Building Plasma 5" -> { "GConf-3.2.6" "GTK+-2.24.32" "GTK+-3.24.22" "KDE Frameworks-5.73.0" "libpwquality-1.4.2" "libxkbcommon-0.10.0" "Mesa-20.1.5 built with Wayland-1.18.0" "NetworkManager-1.26.0" "Pipewire-0.3.9" "PulseAudio-13.0" "qca-2.3.1" "sassc-3.6.1" "taglib-1.11.1" "xcb-util-cursor-0.1.3" } [style=solid]
"GConf-3.2.6" -> {"dbus-glib-0.110" "libxml2-2.9.10"} [style=solid]
"dbus-glib-0.110" -> {"dbus-1.12.20" "GLib-2.64.4"} [style=solid]
"dbus-1.12.20" -> "Systemd-246" [style=solid]
"Systemd-246" -> "Linux-PAM-1.4.0" [style=solid]
"GTK+-2.24.32" -> { "ATK-2.36.0" "gdk-pixbuf-2.40.0" "Pango-1.46.0" }[style=solid]
"ATK-2.36.0" -> "GLib-2.64.4" [style=solid]
"gdk-pixbuf-2.40.0" -> { "GLib-2.64.4" "libjpeg-turbo-2.0.5" "libpng-1.6.37" "shared-mime-info-2.0" }[style=solid]
"libjpeg-turbo-2.0.5" -> { "CMake-3.18.1" "NASM-2.15.03 or yasm-1.3.0" }[style=solid]
"CMake-3.18.1" -> "libuv-1.38.1" [style=solid]
"NASM-2.15.03 or yasm-1.3.0" -> {"NASM-2.15.03" "yasm-1.3.0"}[style=solid]
"shared-mime-info-2.0" -> { "GLib-2.64.4" "itstool-2.0.6" "libxml2-2.9.10" "xmlto-0.0.28" } [style=solid]
"itstool-2.0.6" -> "docbook-xml-4.5" [style=solid]
"docbook-xml-4.5" -> {"libxml2-2.9.10" "sgml-common-0.6.3" "UnZip-6.0"} [style=solid]
"Pango-1.46.0" -> { "Fontconfig-2.13.1" "FriBidi-1.0.9" "GLib-2.64.4" } [style=solid]
"Fontconfig-2.13.1" -> {"FreeType-2.10.2" "HarfBuzz-2.7.1"} [style=solid]
"xmlto-0.0.28" -> { "docbook-xml-4.5" "docbook-xsl-1.79.2" "libxslt-1.1.34" } [style=solid]
"libxslt-1.1.34" -> "libxml2-2.9.10" [style=solid]
"GTK+-3.24.22" -> { "at-spi2-atk-2.34.2" "FriBidi-1.0.9" "gdk-pixbuf-2.40.0" "libepoxy-1.5.4" "Pango-1.46.0" } [style=solid]
"at-spi2-atk-2.34.2" -> { "at-spi2-core-2.36.0" "ATK-2.36.0" } [style=solid]
"at-spi2-core-2.36.0" -> { "dbus-1.12.20" "GLib-2.64.4" "Xorg Libraries" } [style=solid]
"libepoxy-1.5.4" -> "Mesa-20.1.5" [style=solid]
"Mesa-20.1.5" -> { "Xorg Libraries" "libdrm-2.4.102" "Mako-1.1.3" } [style=solid]
"Mako-1.1.3" -> {"MarkupSafe-1.1.1" "Python 2 or 3" } [style=solid]
"MarkupSafe-1.1.1" -> "Python 2 or 3" [style=solid]
"libdrm-2.4.102"-> "Xorg Libraries" [style=solid]
"GLib-2.64.4" -> { "libxslt-1.1.34" "PCRE-8.44" } [style=solid]
"Xorg Libraries"-> {"Fontconfig-2.13.1" "libxcb-1.14"} [style=solid]
"Python 2 or 3" [shape=box] 
"Python 2 or 3" -> {"Python-2.7.18" "Python-3.9.2"} [shape=box] 
"KDE Frameworks-5.73.0" -> { "Boost-1.74.0" "extra-cmake-modules-5.73.0" "docbook-xml-4.5" "docbook-xsl-1.79.2" "giflib-5.2.1" "libepoxy-1.5.4" "libgcrypt-1.8.6" "libjpeg-turbo-2.0.5" "libpng-1.6.37" "libxslt-1.1.34" "lmdb-0.9.24" "phonon-4.11.1" "plasma-wayland-protocols-1.1.1" "shared-mime-info-2.0" "URI-1.76" "Wget-1.20.3" } [style=solid]
"extra-cmake-modules-5.73.0" -> { "CMake-3.18.1" } [style=solid]
"giflib-5.2.1" -> "xmlto-0.0.28" [style=solid]
"libgcrypt-1.8.6" -> "libgpg-error-1.38" [style=solid]
"phonon-4.11.1" -> { "CMake-3.18.1" "extra-cmake-modules-5.73.0" "GLib-2.64.4" "Qt-5.15.0"  } [style=solid]
"Qt-5.15.0" -> "Xorg Libraries" [style=solid]
"Phonon-backend-vlc-0.11.1" -> { "phonon-4.11.1" "VLC-3.0.11.1" } [style=solid]
"VLC-3.0.11.1" -> { "alsa-lib-1.2.3.2" "desktop-file-utils-0.26" "FFmpeg-4.3.1" "liba52-0.7.4" "libgcrypt-1.8.6" "libmad-0.15.1b" "Lua-5.4.0" } [style=solid]
"desktop-file-utils-0.26" -> "GLib-2.64.4" [style=solid]
"Plasma-wayland-protocols-1.1.1" -> { "extra-cmake-modules-5.73.0" } [style=solid]
"libpwquality-1.4.2" -> "CrackLib-2.9.7" [style=solid]
"libxkbcommon-0.10.0" -> "xkeyboard-config-2.30" [style=solid]
"xkeyboard-config-2.30" -> "Xorg Libraries" [style=solid]
"NetworkManager-1.26.0" -> { "dbus-glib-0.110" "libndp-1.7" } [style=solid]
"Pipewire-0.3.9" -> { "BlueZ-5.54" "FFmpeg-4.3.1" "gstreamer-1.16.2" "gst-plugins-base-1.16.2" "libva-2.8.0" "PulseAudio-13.0" "SBC-1.4" "SDL2-2.0.12" "v4l-utils-1.20.0" } [style=solid]
"v4l-utils-1.20.0" -> "LLVM-10.0.1" [style=solid]
"LLVM-10.0.1" -> "CMake-3.18.1" [style=solid]
"PulseAudio-13.0" -> "libsndfile-1.0.28" [style=solid]
"libva-2.8.0" -> "libdrm-2.4.102" [style=solid]
"gst-plugins-base-1.16.2" -> "gstreamer-1.16.2" [style=solid]
"gstreamer-1.16.2" -> "GLib-2.64.4" [style=solid]
"FFmpeg-4.3.1" -> { "libass-0.14.0" "fdk-aac-2.0.1" "FreeType-2.10.2" "LAME-3.100" "libtheora-1.1.1" "libvorbis-1.3.7" "libvpx-1.9.0" "Opus-1.3.1" "x264-20200819" "x265-3.4" "yasm-1.3.0" } [style=solid]
"BlueZ-5.54" -> { "dbus-1.12.20" "GLib-2.64.4" "libical-3.0.8" } [style=solid]
"libical-3.0.8" -> "CMake-3.18.1" [style=solid]
"Wget-1.20.3" -> "make-ca-1.7" [style=solid]
"x265-3.4" -> "CMake-3.18.1" [style=solid]
"libvpx-1.9.0" -> { "NASM-2.15.03 or yasm-1.3.0" "Which-2.21" } [style=solid]
"libvorbis-1.3.7" ->  "libogg-1.3.4" [style=solid]
"libtheora-1.1.1" ->  "libogg-1.3.4" [style=solid]
"libass-0.14.0" ->  {"FreeType-2.10.2" "FriBidi-1.0.9" "NASM-2.15.03"} [style=solid]
"Qca-2.3.1" -> {"make-ca-1.7" "CMake-3.18.1" "Qt-5.15.0" "Which-2.21"} [style=solid]
"make-ca-1.7" -> "p11-kit-0.23.20" [style=solid]
"Taglib-1.11.1" -> "CMake-3.18.1" [style=solid]
"xcb-util-cursor-0.1.3" -> "xcb-util-0.4.0" [style=solid]
"xcb-util-0.4.0" -> "libxcb-1.14"
"xcb-proto-1.14" -> "libxml2-2.9.10"
"libxcb-1.14" -> {"libXau-1.0.9" "xcb-proto-1.14.1"} [style=solid]
"libXau-1.0.9" -> "xorgproto-2020.1" [style=solid]
"xorgproto-2020.1" -> "util-macros-1.19.3" [style=solid]
"util-macros-1.19.3" -> "Xorg Build Environment" [style=solid]
}

// vi:ft=dot

README.md

KDEPlasma_depgraph_req.png

xorg_depgraph.dot

xorg_depgraph.png

xorg_depgraph_req.dot

xorg_depgraph_req.png