diff -Nurp -x '*~' k3d-0.6.6.0/m4/k3d_check_opengl.m4 k3d-0.6.6.0-a/m4/k3d_check_opengl.m4
--- k3d-0.6.6.0/m4/k3d_check_opengl.m4	2006-05-01 13:02:21.000000000 +0300
+++ k3d-0.6.6.0-a/m4/k3d_check_opengl.m4	2007-01-30 21:41:43.000000000 +0200
@@ -8,7 +8,7 @@ AC_SUBST(K3D_OPENGL_LIBS)
 AC_MSG_CHECKING([for OpenGL])
 
 k3d_check_opengl_lib_dir=""
-k3d_check_opengl_directories="/usr/lib /usr/local/lib /usr/X11R6/lib"
+k3d_check_opengl_directories=${libdir}
 for k3d_check_opengl_directory in $k3d_check_opengl_directories; do
 	if test -f $k3d_check_opengl_directory/libGL.so || test -f $k3d_check_opengl_directory/libGL.a || test -f $k3d_check_opengl_directory/libGL.dll.a; then
 		k3d_check_opengl_lib_dir=$k3d_check_opengl_directory
@@ -42,7 +42,7 @@ AC_SUBST(K3D_OPENGLU_LIBS)
 AC_MSG_CHECKING([for OpenGLU])
 
 k3d_check_openglu_lib_dir=""
-k3d_check_openglu_directories="/usr/lib /usr/local/lib /usr/X11R6/lib"
+k3d_check_openglu_directories=${libdir}
 for k3d_check_openglu_directory in $k3d_check_openglu_directories; do
 	if test -f $k3d_check_openglu_directory/libGLU.so || test -f $k3d_check_openglu_directory/libGLU.a || test -f $k3d_check_openglu_directory/libGLU.dll.a; then
 		k3d_check_openglu_lib_dir=$k3d_check_openglu_directory