Re: How to detect program path?

[narke]

On 19 August 2011 00:56, Philip Guenther <address@hidden> wrote:
> On Thu, Aug 18, 2011 at 9:37 AM, narke <address@hidden> wrote:
>> On 17 August 2011 01:54, Paul Smith <address@hidden> wrote:
> ...
>>> I think what narke is saying is that he doesn't HAVE the full pathname.
>>> He just has the name of the executable itself.  He wants make to FIND
>>> the fully-qualified pathname.
>>
>> Yes, exactly.  By far warlich's solution should work, but it really
>> slow.  May there not exists a good solution and I'd better have the
>> user to provide the path in an environment variable.
>
> Well, your request is still underspecified, so the response filled in
> one possible answer.  In this case: you want it to find the
> fully-qualified path, but you didn't say whether you wanted it to do
> that every time (what if it changes between runs!) or only do so the
> first time in a build directory and then cache it after that.  Or
> maybe cache it as long as the cached path is still present?  Some
> other criteria for deciding to not do the work of searching the entire
> filesystem?
>
>
> Philip Guenther
>

Only do that the first time in build directory is okay.  If the path
really changed (by installed a new version of the compiler), the user
can manually rerun something to get the updated path.  How to
implement this?


-- 
Life is the only flaw in an otherwise perfect nonexistence
    -- Schopenhauer

narke
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