--- photoprint-0.4.2-pre2.orig/configure.ac
+++ photoprint-0.4.2-pre2/configure.ac
@@ -30,6 +30,7 @@
 PKG_CHECK_MODULES([GDKPIXBUF2], [gdk-pixbuf-2.0])
 PKG_CHECK_MODULES([GP], [gutenprint])
 PKG_CHECK_MODULES([LCMS], [lcms])
+PKG_CHECK_MODULES([X11], [x11])
 AC_CHECK_LIB(m,pow, LIBM_LIBS="-lm")
 AC_SUBST([LIBM_LIBS])
 AC_CHECK_LIB([pnm], [pnm_readpaminit],,,[-lm])
--- photoprint-0.4.2-pre2.orig/Makefile.am
+++ photoprint-0.4.2-pre2/Makefile.am
@@ -97,7 +97,7 @@
 	stp_support/libstp_support.la \
 	pixbufthumbnail/libpixbufthumbnail.la	\
 	splashscreen/libsplashscreen.la	\
-	$(LIBINTL) $(LIBM_LIBS) $(GETOPT_LIBS) $(JPEG_LIBS) $(PNM_LIBS) $(TIFF_LIBS) $(LCMS_LIBS) $(GP_LIBS) $(GTK2_LIBS)
+	$(LIBINTL) $(LIBM_LIBS) $(GETOPT_LIBS) $(JPEG_LIBS) $(PNM_LIBS) $(TIFF_LIBS) $(LCMS_LIBS) $(GP_LIBS) $(GTK2_LIBS) $(X11_LIBS)
 
 check_PROGRAMS = menucheck carouselcheck misccheck