* acinclude.m4: New file, from old aclocal.m4.
* configure.in: Call AM_INIT_AUTOMAKE and AM_PROG_LIBTOOL. Remove
shared library handling; now handled by libtool. Replace
AC_CONFIG_HEADER with AM_CONFIG_HEADER. Call AC_PROG_YACC,
AC_PROG_LEX, and AC_DECL_YYTEXT. Call AM_MAINTAINER_MODE,
AM_CYGWIN32, and AM_EXEEXT. Don't call CY_CYGWIN32 or CY_EXEEXT.
* config.in: New file, created by autoheader.
* conf.in: Remove.
* acconfig.h: Mention PACKAGE, VERSION, and USING_CGEN.
* stamp-h.in: New file.
* as.c (print_version_id): Change GAS_VERSION to VERSION.
(parse_args): Likewise.
* config/obj-vms.c: (Write_VMS_MHD_Records): Likewise.
* Makefile.in: Now built with automake.
* aclocal.m4: Now built with aclocal.
* configure: Rebuild.
