diff --git a/INSTALL.in b/INSTALL.in
index cc60cc172a..bf43a0f7f0 100644
--- a/INSTALL.in
+++ b/INSTALL.in
@@ -29,12 +29,14 @@ header files installed.
   ******************************************************************
 
 
-  1. You need to have installed a recent version of pkg-config available
+  1. You need to have installed a recent version of pkg-config (>= @GIMP_PKGCONFIG_VERSION@) available
      from http://www.freedesktop.org/software/pkgconfig/.
 
   2. You need intltool (at least @INTLTOOL_REQUIRED_VERSION@, but preferably a newer version).
      Intltool can be downloaded from
      http://ftp.gnome.org/pub/gnome/sources/intltool/
+     You are recommended to install gettext version @XGETTEXT_RECOMMENDED_VERSION@ or over. Earlier gettext had
+     issues with script-fu localization, ending up in incomplete GIMP localization.
 
   3. You need to have GEGL version @GEGL_REQUIRED_VERSION@ or newer and babl version
      @BABL_REQUIRED_VERSION@ or newer. You can get them from http://gegl.org/ or clone
@@ -106,7 +108,6 @@ header files installed.
 
      ATK: @ATK_REQUIRED_VERSION@
      babl: @BABL_REQUIRED_VERSION@
-     libbzip2
      cairo: @CAIRO_REQUIRED_VERSION@
      Fontconfig: @FONTCONFIG_REQUIRED_VERSION@
      freetype2: @FREETYPE2_REQUIRED_VERSION@
@@ -115,6 +116,7 @@ header files installed.
      GLib: @GLIB_REQUIRED_VERSION@
      GTK+: @GTK_REQUIRED_VERSION@
      HarfBuzz: @HARFBUZZ_REQUIRED_VERSION@
+     libbzip2
      libjpeg
      libpng: @LIBPNG_REQUIRED_VERSION@
      liblzma: @LIBLZMA_REQUIRED_VERSION@
@@ -122,6 +124,26 @@ header files installed.
      pangocairo: @PANGOCAIRO_REQUIRED_VERSION@
      zlib
 
+ 17. Summary of optional packages:
+
+     Package Name		|	Version		|	Feature
+
+     libaa					 - 				ASCII art
+     gs						 - 				ghostscript
+     webkit					@WEBKIT_REQUIRED_VERSION@			Help browser & webpage
+     libjasper				 - 				JPEG 2000
+     libmng					 - 				MNG
+     openexr				@OPENEXR_REQUIRED_VERSION@			OpenEXR
+     libpoppler				@POPPLER_REQUIRED_VERSION@			PDF import
+     cairo-pdf				@CAIRO_PDF_REQUIRED_VERSION@			PDF export
+     python 2				@PYTHON2_REQUIRED_VERSION@			Python plug-ins
+     librsvg				@RSVG_REQUIRED_VERSION@			SVG
+     libtiff				 - 				TIFF
+     libwmf					@WMF_REQUIRED_VERSION@			WMF
+     libXcursor				 - 				X11 Mouse Cursor
+     libxpm					 - 				XPM
+
+
 Please make sure you don't have any old GTK+-2.x, jpeg, etc. libraries
 lying around on your system, otherwise configure may fail to find the
 new ones.
diff --git a/configure.ac b/configure.ac
index 1b9a7b7ce8..6f7f1b0e8c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -130,6 +130,7 @@ GLIB_REQUIRED_VERSION=glib_required_version
 GDK_PIXBUF_REQUIRED_VERSION=gdk_pixbuf_required_version
 GTK_REQUIRED_VERSION=gtk_required_version
 CAIRO_REQUIRED_VERSION=cairo_required_version
+CAIRO_PDF_REQUIRED_VERSION=cairo_pdf_required_version
 GEGL_REQUIRED_VERSION=gegl_required_version
 GEXIV2_REQUIRED_VERSION=gexiv2_required_version
 LCMS_REQUIRED_VERSION=lcms_required_version
@@ -140,13 +141,20 @@ BABL_REQUIRED_VERSION=babl_required_version
 FONTCONFIG_REQUIRED_VERSION=fontconfig_required_version
 FREETYPE2_REQUIRED_VERSION=freetype2_required_version
 HARFBUZZ_REQUIRED_VERSION=harfbuzz_required_version
+WEBKIT_REQUIRED_VERSION=webkit_required_version
 ATK_REQUIRED_VERSION=atk_required_version
+RSVG_REQUIRED_VERSION=rsvg_required_version
+WMF_REQUIRED_VERSION=wmf_required_version
+POPPLER_REQUIRED_VERSION=poppler_required_version
+OPENEXR_REQUIRED_VERSION=openexr_required_version
 INTLTOOL_REQUIRED_VERSION=intltool_required_version
 PYTHON2_REQUIRED_VERSION=python2_required_version
+XGETTEXT_RECOMMENDED_VERSION=xgettext_recommended_version
 AC_SUBST(GLIB_REQUIRED_VERSION)
 AC_SUBST(GDK_PIXBUF_REQUIRED_VERSION)
 AC_SUBST(GTK_REQUIRED_VERSION)
 AC_SUBST(CAIRO_REQUIRED_VERSION)
+AC_SUBST(CAIRO_PDF_REQUIRED_VERSION)
 AC_SUBST(GEGL_REQUIRED_VERSION)
 AC_SUBST(GEXIV2_REQUIRED_VERSION)
 AC_SUBST(LCMS_REQUIRED_VERSION)
@@ -157,9 +165,15 @@ AC_SUBST(BABL_REQUIRED_VERSION)
 AC_SUBST(FONTCONFIG_REQUIRED_VERSION)
 AC_SUBST(FREETYPE2_REQUIRED_VERSION)
 AC_SUBST(HARFBUZZ_REQUIRED_VERSION)
+AC_SUBST(WEBKIT_REQUIRED_VERSION)
 AC_SUBST(ATK_REQUIRED_VERSION)
+AC_SUBST(RSVG_REQUIRED_VERSION)
+AC_SUBST(WMF_REQUIRED_VERSION)
+AC_SUBST(POPPLER_REQUIRED_VERSION)
+AC_SUBST(OPENEXR_REQUIRED_VERSION)
 AC_SUBST(INTLTOOL_REQUIRED_VERSION)
 AC_SUBST(PYTHON2_REQUIRED_VERSION)
+AC_SUBST(XGETTEXT_RECOMMENDED_VERSION)
 
 # The symbol GIMP_UNSTABLE is defined above for substitution in
 # Makefiles and conditionally defined here as a preprocessor symbol
@@ -491,7 +505,6 @@ AM_GLIB_GNU_GETTEXT
 
 # Testing xgettext version since we had some problem with localizing script-fu. See bug 720052.
 AC_MSG_CHECKING([for recommended xgettext version (>= xgettext_recommended_version)])
-XGETTEXT_RECOMMENDED_VERSION=xgettext_recommended_version
 XGETTEXT_RECOMMENDED_VERSION_MAJOR=`echo $XGETTEXT_RECOMMENDED_VERSION | awk -F. '{ print $ 1; }'`
 XGETTEXT_RECOMMENDED_VERSION_MINOR_1=`echo $XGETTEXT_RECOMMENDED_VERSION | awk -F. '{ print $ 2; }'`