5.20 define option (-D)
This is the "name to add to definition list" option.
This option has some usage constraints. It:
may appear an unlimited number of times.
is a member of the define class of options.
The AutoGen define names are used for the following purposes:
Sections of the AutoGen definitions may be enabled or disabled
by using C-style #ifdef and #ifndef directives.
When defining a value for a name, you may specify the index
for a particular value. That index may be a literal value,
a define option or a value #define-d in the definitions themselves.
The name of a file may be prefixed with
$NAME part of the name string will be replaced with
the define-d value for
When AutoGen is finished loading the definitions, the defined values
are exported to the environment with,
These values can then be used in shell scripts with
references and in templates with
While processing a template, you may specify an index to retrieve
a specific value. That index may also be a define-d value.
This document was generated
by Bruce Korb on February 17, 2003 using texi2html