diff -durN neon-0.30.2.orig/macros/neon.m4 neon-0.30.2/macros/neon.m4
--- neon-0.30.2.orig/macros/neon.m4	2016-09-30 03:53:25.000000000 -0500
+++ neon-0.30.2/macros/neon.m4	2019-12-18 11:32:14.969216900 -0600
@@ -544,7 +544,7 @@
   # Consider format string mismatches as errors
   CPPFLAGS="$CPPFLAGS -Wformat -Werror"
   dnl obscured for m4 quoting: "for str in d ld lld; do"
-  for str in ne_spec l]ne_spec[ ll]ne_spec[; do
+  for str in ne_spec l]ne_spec[ I32]ne_spec[ ll]ne_spec[ I64]ne_spec[; do
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
 $2
 #include <stdio.h>]], [[$1 i = 1; printf("%$str", i);]])],
