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Jeff Clites  
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 More options Mar 16 2004, 1:48 am
Newsgroups: perl.perl6.internals
From: jcli...@mac.com (Jeff Clites)
Date: Mon, 15 Mar 2004 22:30:54 -0800
Local: Tues, Mar 16 2004 1:30 am
Subject: Re: unprefixed global symbols
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On Mar 15, 2004, at 9:22 AM, Arthur Bergman wrote:

> On 15 Mar 2004, at 17:20, Jeff Clites wrote:

>> We should be able to get the linker to only expose our external entry
>> points from libparrot. That way, we don't have to worry about the
>> naming of API which isn't supposed to be called from outside. (If it
>> works, it's simpler and safer than relying on a prefix.)

> And how would this be done across platforms, if this works I am happy
> with it, but I don't know how.

On Mac OS X and Linux at least, as I understand it this can be done
with either 'ld' or 'strip'. (The 'ld' argument for this on Mac OS X is
-exported_symbols_list, and on Linux it's --retain-symbols-file, each
taking the name of a file containing the list of symbols to retain.)
I'd imagine that other Unices have similar linker options, and I'd
think that Windows would have an equivalent also.

I haven't actually tried this, but the tools seem to be there.

JEff


 
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