+# We can't lock on MacOS X, so don't even bother compiling in support for it.
+#
+if test "$ac_macosx" = yes; then
+ if test "$enable_locking" = yes; then
+ echo "$as_me:$LINENO: result: locking disabled: it doesn't work on MacOS X" >&5
+echo "${ECHO_T}locking disabled: it doesn't work on MacOS X" >&6
+ enable_locking=no
+ cat >>confdefs.h <<\_ACEOF
+#define NO_LOCKING 1
+_ACEOF
+
+ fi
+fi