diff -Nuar a/configure.ac b/configure.ac
--- a/configure.ac	2016-12-02 14:08:40.000000000 +0100
+++ b/configure.ac	2016-12-02 23:48:03.878908425 +0100
@@ -12,6 +12,7 @@
 AC_PROG_CC_STDC
 AC_STRUCT_ST_BLKSIZE
 AC_STRUCT_ST_BLOCKS
+AC_SYS_LARGEFILE
 
 dnl Use 64-bit file offsets on 32-bit systems (defines C macros if necessary)
 AC_SYS_LARGEFILE