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Re: AC_DEFUN: default values of optional arguments
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From: |
Ralf Wildenhues |
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Subject: |
Re: AC_DEFUN: default values of optional arguments |
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Date: |
Fri, 18 Sep 2009 20:06:36 +0200 |
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User-agent: |
Mutt/1.5.20 (2009-08-09) |
* Sam Steingold wrote on Fri, Sep 18, 2009 at 07:49:04PM CEST:
> How do I give an optional argument its default value?
> e.g.,
> AC_DEFUN([FOO],[...])
> FOO() should be equivalent to FOO([true])
Use m4_default([$2], [true]).
Cheers,
Ralf