--- configure.ac~	2017-08-15 15:37:02.000000000 +0300
+++ configure.ac	2017-08-24 13:16:58.875327375 +0300
@@ -39,6 +39,9 @@
 AM_PROG_CC_C_O
 PKG_PROG_PKG_CONFIG
 
+# check for large file support
+AC_SYS_LARGEFILE
+
 LINGUAS=""
 AM_GNU_GETTEXT([external], [need-ngettext])
 
--- config.h.in~	2017-08-15 15:37:23.000000000 +0300
+++ config.h.in	2017-08-24 13:16:15.794764577 +0300
@@ -191,6 +191,12 @@
 /* Disable glib assertions */
 #undef NDEBUG
 
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
 /* Building for unix */
 #undef OS_UNIX