* Makefile.am (install-exec-hook): Use APIVERSION.

	* Makefile.am (install-exec-hook): Use APIVERSION.
	* m4/init.m4 (AM_INIT_AUTOMAKE): Use am__api_version.
	* m4/amversion.in (AM_AUTOMAKE_VERSION): Set am__api_version from
	APIVERSION.
	* automake.in (perllibdir): Use APIVERSION.
	(libdir): Likewise.
	* aclocal.in (perllibdir): Use APIVERSION.
	(APIVERSION): New global.
	(parse_arguments): Use APIVERSION.
	* configure.in (APIVERSION): New subst.
	(pkgvdatadir): Use APIVERSION.