* m4/depend.m4 (AM_DEP_TRACK): Use AC_SUBST([AMDEPBACKSLASH]) normally, what is wrong is that automake outputs a variable definition for it, hence... * automake.in (scan_one_autoconf_file): don't. * m4/depout.m4 (_AM_OUTPUT_DEPENDENCY_COMMANDS): New, extracted from... (AM_OUTPUT_DEPENDENCY_COMMANDS): here. Adjust. Use AC_CONFIG_COMMANDS. (_AM_OUTPUT_DEPENDENCY_COMMANDS): Use AS_DIRNAME and AS_MKDIR_P.