* src/configure.ac: Check for GTK 2 features only on GTK 2

configure.ac

@@ -2795,22 +2795,25 @@ if test "${HAVE_GTK}" = "yes"; then
     with_toolkit_scroll_bars=yes
   fi
 
-  dnl  Check if we have the old file selection dialog declared and
-  dnl  in the link library.  In 2.x it may be in the library,
-  dnl  but not declared if deprecated featured has been selected out.
-  dnl  AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
-  HAVE_GTK_FILE_SELECTION=no
-  AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
-                   HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
-#include <gtk/gtk.h>])
-  if test "$HAVE_GTK_FILE_SELECTION" = yes; then
-    AC_CHECK_FUNCS(gtk_file_selection_new)
-  fi
+  term_header=gtkutil.h
+
+  if test "${USE_GTK_TOOLKIT}" = GTK2; then
 
-  dnl This procedure causes a bug on certain Ubuntu GTK+2 builds
-  AC_CHECK_FUNCS(gtk_window_set_has_resize_grip)
+    dnl  Check if we have the old file selection dialog declared and
+    dnl  in the link library.  In 2.x it may be in the library,
+    dnl  but not declared if deprecated featured has been selected out.
+    dnl  AC_CHECK_DECL checks for a macro, so check for GTK_TYPE_FILE_SELECTION.
+    HAVE_GTK_FILE_SELECTION=no
+    AC_CHECK_DECL(GTK_TYPE_FILE_SELECTION, HAVE_GTK_FILE_SELECTION=yes,
+                     HAVE_GTK_FILE_SELECTION=no, [AC_INCLUDES_DEFAULT
+#include <gtk/gtk.h>])
+    if test "$HAVE_GTK_FILE_SELECTION" = yes; then
+      AC_CHECK_FUNCS(gtk_file_selection_new)
+    fi
 
- term_header=gtkutil.h
+    dnl This procedure causes a bug on certain Ubuntu GTK+2 builds
+    AC_CHECK_FUNCS(gtk_window_set_has_resize_grip)
+  fi
 fi