diff --git a/configure.in b/configure.in
index 72af3dabb5f8..133f08ded45c 100644
--- a/configure.in
+++ b/configure.in
@@ -1998,7 +1998,16 @@ AC_CHECK_FUNCS(random strerror lchown fchmod snprintf statvfs memmove rint)
 AC_CHECK_FUNCS(nl_langinfo flockfile)
 
 dnl localtime_r and strtok_r are only present on MacOS version 10.2 and higher
-if test -z "$MACOS_DEPLOYMENT_TARGET" -o "$MACOS_DEPLOYMENT_TARGET" -ge "100200"; then
+CHECK_MACOS_10_2_FUNCS=
+if test -z "$MACOS_DEPLOYMENT_TARGET"; then
+CHECK_MACOS_10_2_FUNCS=1
+else
+if test "$MACOS_DEPLOYMENT_TARGET" -ge "100200"; then
+CHECK_MACOS_10_2_FUNCS=1
+fi
+fi
+
+if test "$CHECK_MACOS_10_2_FUNCS"; then
   AC_CHECK_FUNCS(localtime_r strtok_r)
 fi