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| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version

## defsystem

Arguments: system-name options &body modules

This macro creates a new system with name system-name and options taken from options, containing module-groups specified by modules. system-name must be a symbol (we recommend using a keyword) which will identify the system. options must be a (possibly empty) list of keyword/value pairs. modules is a list consisting of one or more short form module-specifications and/or long form module-specifications.

This macro returns the symbol system-name.

The allowable options keywords are shown in the table below.

See also defsystem.htm for general information on the defsystem facility in Allegro CL and for a description of module specifications.

Keyword | value type | default value | Notes
`:pretty-name` | string | print-name of system-name symbol | This name will be used for printing.
`:default-module-class` | symbol identifying a class | `ds:lisp-module` | Predefined classes are: `ds:lisp-module`, `ds:text-module`, `ds:c-module`. Users may define additional classes, see defsystem.htm.
`:default-package` | package object or string or symbol naming a package | The value of `*package*` | Can be overridden for a module or module-group with the package option in the long module form. Also can be overridden during an operation with the package argument.
`:default-pathname` | pathname object or string or symbol naming pathname | *default-pathname-defaults* | This pathname will be merged with the filenames of the modules of the system in order to find files.
`:default-file-type` | string | depends on value of `:default-module-class` - see notes at right. | Specifies file type (extension) for source files for modules in system. If :default-module-class is ds:lisp-module, default is value of `*source-file-types*`; if ds:text-module, default is nil; if ds:c-module, default is "c".
`:property-list` | property list | `nil` | The value is added to the property list of the system.
Table 1: options keywords and values

Copyright (c) 1998-2019, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.2 page.
Created 2012.5.30.

|  | ToC | DocOverview | CGDoc | RelNotes | FAQ | Index | PermutedIndex
| Allegro CL version 9.0 Unrevised from 8.2 to 9.0. 8.2 version