--- rxvt-unicode/configure.ac	2007/06/28 17:19:56	1.61
+++ rxvt-unicode/configure.ac	2007/07/26 17:41:46	1.64
@@ -462,6 +462,7 @@
 LIBAFTERIMAGE_CFLAGS=
 AFTERIMAGE_LIBS=
 have_afterimage=
+AFTERIMAGE_VERSION=
 
 if test x$support_afterimage = xyes; then
   support_afterimage=no
@@ -469,13 +470,18 @@
   if test "x$afterimage_config" = "x" ; then
     AC_PATH_PROG(afterimage_config, afterimage-config, no)
   fi
-
-  AC_MSG_CHECKING(for libAfterImage)
-  if $afterimage_config --version >/dev/null 2>&1 ; then
+  AC_PROG_AWK
+  AC_MSG_CHECKING(for libAfterImage version >= 1.15 )
+  AFTERIMAGE_VERSION=`$afterimage_config --version`
+  if test -n $AFTERIMAGE_VERSION  ; then
     LIBAFTERIMAGE_CFLAGS=`$afterimage_config --cflags`
     AFTERIMAGE_LIBS=`$afterimage_config --libs`
     if test "x$AFTERIMAGE_LIBS" != "x"; then
-      support_afterimage=yes
+      libai_ver_major=`echo $AFTERIMAGE_VERSION | $AWK -F . '{print $1}'`
+      libai_ver_minor=`echo $AFTERIMAGE_VERSION | $AWK -F . '{print $2}'`
+      if test $libai_ver_major -gt 1 -o \( $libai_ver_major -eq 1 -a $libai_ver_minor -ge 15 \); then
+        support_afterimage=yes;
+      fi
     fi
   fi