Distcheck fails when configure.ac includes LT_OUTPUT. libtool.am should remove both generated libtool script and config.lt.
Patch is against 1.10.1, not git. 2008-11-09 Charles Wilson <...> * lib/am/libtool.am (distclean-libtool): clean up config.lt as well as libtool. -- Chuck
--- origsrc/automake-1.10.1/lib/am/libtool.am 2008-01-21 17:11:41.000000000 -0500 +++ src/automake-1.10.1/lib/am/libtool.am 2008-10-27 21:46:01.843000000 -0400 @@ -28,4 +28,4 @@ ?TOPDIR_P?distclean-am: distclean-libtool ?TOPDIR_P?distclean-libtool: -?TOPDIR_P? -rm -f libtool +?TOPDIR_P? -rm -f libtool config.lt