diff --git a/configure.ac b/configure.ac
index 36197d3..a210005 100644
--- a/configure.ac
+++ b/configure.ac
@@ -235,7 +235,7 @@ _SAVE_LDFLAGS="$LDFLAGS"
 _SAVE_CPPFLAGS="$CPPFLAGS"
 
 dnl Compiler macros
-DEFINES=""
+DEFINES="-D__STDC_LIMIT_MACROS=1"
 AC_SUBST([DEFINES])
 case "$host_os" in
 linux*|*-gnu*|gnu*)