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The one real requirement of Automake is that your configure.in
call AM_INIT_AUTOMAKE. This macro does several things which are
required for proper Automake operation (see Autoconf macros supplied with Automake).
Here are the other macros which Automake requires but which are not run
by AM_INIT_AUTOMAKE:
AC_CONFIG_FILESAC_OUTPUTAutomake uses these to determine which files to create (see Creating Output Files in The Autoconf Manual). A listed file
is considered to be an Automake generated Makefile if there
exists a file with the same name and the .am extension appended.
Typically, AC_CONFIG_FILES([foo/Makefile]) will cause Automake to
generate foo/Makefile.in if foo/Makefile.am exists.
Other listed files are treated differently. Currently the only
difference is that an Automake Makefile is removed by make
distclean, while other files are removed by make clean.