Re: Automating installation of a C library

Hi Craig,

How do I use the WPAD query to get the .pac file? It would be awsome  
to add this for Alien::SDL build.

Kartik Thakore

On 2010-03-02, at 3:13 PM, [email protected] wrote:

> Thank you, JE and your patch are the answer to my problem!
>
> Someone ought to do something about the fact that JE doesn't come
> up on a search.cpan.org search for "javascript" until page 12!
>
> Might it be possible you could please put a version of
> HTTP::ProxyPac that uses JE on CPAN?
>
> Thanks much,
> cmac
>
>
> On Mar 2, 2010, at 10:31 AM, Kartik Thakore wrote:
>
>>
>>
>> Kartik Thakore
>>
>> On 2010-03-01, at 10:47 PM, [email protected] wrote:
>>
>>> Hi module authors,
>>>
>>> I'm working on a module that has an accompanying script that can
>>> be scheduled (cron'ed on Unix/Linux) to update its database from
>>> the internet.  The biggest problem with this, that is not covered  
>>> by LWP,
>>> is that of proxies.
>>>
>>> I know how to access environment variables plus the CPAN config to
>>> automatically take care of many systems that include a proxy.
>>> Nevertheless if none of these contain anything, I feel that I have  
>>> to
>>> include a query during Build.PL execution, to ask if there's a  
>>> proxy.
>>> (Of course there will be a default "n" to take care of smoke- 
>>> testing.)
>>>
>>> If the query (which is only asked if the environment/CPAN variables
>>> don't identify a proxy) comes back "y", I know how to run a WPAD
>>> protocol, and if that doesn't yield anything, how to search on  
>>> Windows
>>> for *.pac.
>>>
>>> Q1: where should one search for *.pac on non-Windows systems?
>>>
>> In internet settings for IE
>>> But my main problem is when a wpad or pac search succeeds.  Now I
>>> have a Javascript file that can tell my script what proxy should be
>>> used for a URL that it wants to access.  The only viable module that
>>> I've been able to find on CPAN to help with this is called  
>>> HTTP::ProxyPAC.
>>>
>> I have fixed this with using JE and this patch for Http::ProxyPAC
>>
>> http://paste.scsys.co.uk/40102
>>
>>
>>> HTTP::ProxyPAC has JavaScript as a prerequisite.  The JavaScript
>>> bindings expect that the user must have 'libjs' from Mozilla  
>>> installed
>>> (by hand) before it will install.  And if jslib is present, the  
>>> JavaScript
>>> installer asks 3 scary questions about how it was installed, to  
>>> which
>>> only a true wizard would know the answers.
>>>
>> With JE no compile needed.
>>> I would like to use ProxyPAC and JavaScript but don't want to  
>>> subject
>>> my installers to such pain.  I can put the .tar.gz of libjs from  
>>> Mozilla
>>> inside my module, and drive the installation from Build.PL if it  
>>> is needed.
>>> (Running a proxy.pac or wpad.dat file hardly needs the latest  
>>> version!)
>>>
>>> Q2: can libjs can be installed by Build.PL before the CPAN code
>>> prepends HTTP::ProxyPAC and then JavaScript and tries to
>>> install them (based on META.yml) before it ever runs my Build.PL?
>>>
>>> Answers to these Qs, and any other comments or advice on the best
>>> way to handle this matter, will be much appreciated.
>>>
>>> Thanks,
>>> cmac
>>> www.animalhead.com
>>>
>