AutoGen - The Automated Program Generator: 5.21 undefine option (-U)

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## 5.21 undefine option (-U)

This is the "definition list removal pattern" option.

This option has some usage constraints. It:

- may appear an unlimited number of times.
- may not be preset with environment variables or in initialization (rc) files.

Just like 'C', AutoGen uses `#ifdef/#ifndef` preprocessing directives. This option will cause the matching names to be removed from the list of defined values.

This document was generated by Bruce Korb on September, 30 2006 using texi2html 1.76.