my_am_cflags="-Wall $ARCHFLAGS -pipe"
-AC_SUBST([AM_CPPFLAGS], ["-I\${top_srcdir}/support/include"])
+AC_SUBST([AM_CPPFLAGS], ["-I\${top_srcdir}/support/include -D_FILE_OFFSET_BITS=64"])
AC_SUBST([AM_CFLAGS], ["$my_am_cflags"])
# Make sure that $ACLOCAL_FLAGS are used during a rebuild