+
+
+ac_find_libraries=
+for ac_dir in $SEARCH_LIB /usr/lib;
+ do
+ for ac_extension in a so sl dylib; do
+ if test -f "$ac_dir/libGLU.$ac_extension"; then
+ ac_find_libraries=$ac_dir
+ break 2
+ fi
+ done
+ done
+
+ if test "$ac_find_libraries" != "" ; then
+
+ echo "$LDFLAGS" | grep "\-L$ac_find_libraries" > /dev/null
+ result=$?
+ if test $result = 0; then
+ ac_path_to_link=""
+ else
+ ac_path_to_link=" -L$ac_find_libraries"
+ fi
+
+ if test "$ac_path_to_link" != " -L/usr/lib" -a \
+ "$ac_path_to_link" != "$LDFLAGS_GL"; then
+ LDFLAGS_GL="$LDFLAGS_GL$ac_path_to_link"
+ fi
+
+ found_gl=1
+ OPENGL_LIBS="-lGL -lGLU"
+ echo "$ac_t""yes" 1>&6
+ fi
+ fi
+
+ if "$found_gl" != 1; then