Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -477,10 +477,11 @@
 	    defined(__NEWLIB__) || defined(__MORPHOS__) || defined(__MINT__)
 	egrep_cpp_yes
 	#endif
 ], [
 	AC_MSG_RESULT(yes)
+	CPPFLAGS="-D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 $CPPFLAGS"
 	CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
 	gnu_source="yes"
 ], [
 	AC_MSG_RESULT(no)
 ])