Re: do I need "ifdef HAVE_UNISTD_H" if I import unistd?

[Sam Steingold]

> * Eric Blake <address@hidden> [2011-05-16 15:57:43 -0600]:
>
> On 05/16/2011 03:56 PM, Sam Steingold wrote:
>> 
>> from the way VC_LIST_ALWAYS_EXCLUDE_REGEX is used, this appears to be TRT:
>> 
>> VC_LIST_ALWAYS_EXCLUDE_REGEX = ChangeLog|configure|config.in.h|aclocal.m4
>
> | outside () is different than (|).  Try:
>
> VC_LIST_ALWAYS_EXCLUDE_REGEX = \
>  ^(ChangeLog|configure|config.in.h|aclocal.m4)$$

does not work either.

also, this seems wrong because

1. when VC_LIST_ALWAYS_EXCLUDE_REGEX is used, it is put inside ()

2. my output looks like this:

../src/../src/configure:31052:#ifdef HAVE_UNISTD_H
../src/../src/configure:31330:#ifdef HAVE_UNISTD_H
../src/../src/configure:31425:#ifdef HAVE_UNISTD_H
../src/../src/configure:31538:#ifdef HAVE_UNISTD_H
../src/../src/configure:31562:#ifdef HAVE_UNISTD_H

so "^" does not look right.

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