#11184: Fix large file support on AIX.
diff --git a/configure.in b/configure.in
index 26d4f6c..6f4ffa5 100644
--- a/configure.in
+++ b/configure.in
@@ -1376,6 +1376,12 @@
if test "$use_lfs" = "yes"; then
# Two defines needed to enable largefile support on various platforms
# These may affect some typedefs
+case $ac_sys_system/$ac_sys_release in
+AIX*)
+ AC_DEFINE(_LARGE_FILES, 1,
+ [This must be defined on AIX systems to enable large file support.])
+ ;;
+esac
AC_DEFINE(_LARGEFILE_SOURCE, 1,
[This must be defined on some systems to enable large file support.])
AC_DEFINE(_FILE_OFFSET_BITS, 64,