Bump liberty, install rasterized icons

CMakeLists.txt

@@ -130,8 +130,22 @@ install (FILES LICENSE DESTINATION ${CMAKE_INSTALL_DOCDIR})
 install (DIRECTORY contrib DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME})
 install (DIRECTORY info DESTINATION ${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME})
 if (WITH_X11)
+	include (IconUtils)
+
+	set (icon_base ${PROJECT_BINARY_DIR}/icons)
+	set (icon_png_list)
+	foreach (icon_size 16 32 48)
+		icon_to_png (${PROJECT_NAME} ${PROJECT_SOURCE_DIR}/${PROJECT_NAME}.svg
+			${icon_size} ${icon_base} icon_png)
+		list (APPEND icon_png_list ${icon_png})
+	endforeach ()
+
+	add_custom_target (icons ALL DEPENDS ${icon_png_list})
+
 	install (FILES ${PROJECT_NAME}.svg
 		DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/scalable/apps)
+	install (DIRECTORY ${icon_base}
+		DESTINATION ${CMAKE_INSTALL_DATADIR})
 	install (FILES ${PROJECT_NAME}.desktop
 		DESTINATION ${CMAKE_INSTALL_DATADIR}/applications)
 endif ()

README.adoc

@@ -40,8 +40,9 @@ The rest of this README will concern itself with externalities.
 
 Building
 --------
-Build dependencies: CMake, pkg-config, awk, liberty (included),
- termo (included), asciidoctor or asciidoc (recommended but optional) +
+Build-only dependencies: CMake, pkg-config, awk, liberty (included),
+ termo (included), asciidoctor or asciidoc (recommended but optional),
+ rsvg-convert (X11) +
 Runtime dependencies: ncursesw, libunistring, cURL +
 Optional runtime dependencies: fftw3, libpulse, x11, xft, Perl + cURL (lyrics)