--- configure.ac	2011-10-24 15:45:27.000000000 -0400
+++ configure.ac.new	2012-01-26 17:37:30.468843678 -0500
@@ -280,7 +280,11 @@
   echo "Checking for libraries to support GUI interface ..."
   GA_CHECK_GUI([
     use_gui=yes
-    GA_SET_LIB_VAR(gui_libs, [sx])
+    if test "$ga_dyn_supplibs" != "yes" ; then
+      GA_SET_LIB_VAR(gui_libs, [sx])
+    else
+      gui_libs="-lsx"
+    fi
     if test z"$gui_libs_Xext" != 'z'; then
       gui_libs="$gui_libs -lXext"
     fi
@@ -304,7 +308,9 @@
   else
     AC_DEFINE(USEFREQ, 0, [Use GetFile from freq])
   fi
-  GA_SET_INCLUDE_VAR([gui_inc],[libsx]) 
+  if test "$ga_dyn_supplibs" != "yes" ; then
+    GA_SET_INCLUDE_VAR([gui_inc],[libsx])
+  fi 
   AC_SUBST(gui_inc)
   AC_SUBST(gui_libs)
   AC_DEFINE(USEGUI, 1, [Enable GUI widgets]) 
@@ -429,7 +435,18 @@
     ])    
     GA_UNSET_FLAGS
   fi
-  # here's where we could add a macro to look outside supplibs for shapelib
+  # look outside supplibs for shapelib
+  if test "$use_shp" != "yes" -a "$ga_dyn_supplibs" = "yes" ; then
+    echo
+    echo "Checking in system locations for libraries to support shapefiles ..."
+    AC_CHECK_HEADERS([shapefil.h], 
+    [ AC_CHECK_LIB([shp], [main],
+      [ use_shp=yes 
+        shp_inc=""
+        shp_libs="-lshp"
+      ])
+    ])
+  fi
 fi
 if test "$use_shp" != "yes" ; then
   AC_DEFINE(USESHP, 0, [Enable shapefile])
--- src/Makefile.am	2010-11-23 13:14:27.000000000 -0500
+++ src/Makefile.am.new	2012-01-26 20:53:05.815131660 -0500
@@ -29,7 +29,11 @@
 supp_lib_dir		= $(SUPPLIBS)/lib
 
 # Settings used for all binaries
+if USEGUI
+LDADD			=
+else
 LDADD			= -L$(supp_lib_dir) 
+endif
 INCLUDES		= $(readline_inc) $(printim_inc) $(grib2_inc) $(gui_inc) $(nc_inc) \
 			  $(hdf_inc) $(hdf5_inc) $(geotiff_inc) $(shp_inc) $(gadap_inc) \
                           $(X_CFLAGS) $(XAW_CFLAGS) $(GD_CFLAGS) $(HDF4_CFLAGS)