While Building QtWebkit-2.3 (git commit abd77b3f85375632aa313934e8eb9ae89f2bbf2e, from git://gitorious.org/+qtwebkit-developers/webkit/qtwebkit-23.git) for an embedded system running Qt 4.8.1 with OpenGL ES2, the build eventually dies with a failure to find -lXrender. Linking against Xrender was introduced with the below change: commit 611b1450798b71d2931d1d90a585e2cae77ac4c2 Author: commit-queue <commit-queue@webkit.org> Date: Wed Sep 12 12:10:20 2012 +0000 [Qt] Build on X11 with GraphicsSurface but without NPAPI is broken https://bugs.webkit.org/show_bug.cgi?id=96495 Patch by Simon Hausmann <simon.hausmann@nokia.com> on 2012-09-12 Reviewed by Kenneth Rohde Christiansen. When enabling NPAPI we link against XRender on X11. The other component that needs Xrender is GraphicsSurface. So when building without NPAPI we need to make sure that we link in Xrender. This patch cleans up the GraphicsSurface related linkage required on Mac OS X and X11 by wrapping it in use?(graphics_surface) instead of 3D_GRAPHICS. It is not neccesary to perform the have?(XCOMPOSITE) check anymore because it's already done in features.prf before enabling use_graphics_surface in the first place. * WebCore.pri: git-svn-id: http://svn.webkit.org/repository/webkit/trunk@128294 268f45cc-cd09-0410-ab3c-d52691b4dbfc In WebCore.pri, one can indeed read: contains(DEFINES, WTF_USE_3D_GRAPHICS=1) { contains(QT_CONFIG, opengles2):!win32: LIBS += -lEGL mac: LIBS += -framework IOSurface -framework CoreFoundation linux-*: { contains(DEFINES, HAVE_XCOMPOSITE=1): LIBS += -lXcomposite LIBS += -lXrender CONFIG *= x11 } haveQt(4): QT *= opengl }