[LLVMdev] proposal to avoid zlib dependency.

[Saleem Abdulrasool]

On Tue, Sep 16, 2014 at 4:48 PM, Bob Wilson <bob.wilson at apple.com> wrote:

> If you build with configure+make, just run configure with —disable-zlib.
> We do this routinely, so I’m pretty sure it works.
>

It "works" as in it builds.  However, the support for it is disabled since
zlib::compress will always return StatusUnsupported, so the debug
information will just not be compressed.  Effectively, compressed DWARF is
unsupported on Windows.


> On Sep 16, 2014, at 3:42 PM, Reid Kleckner <rnk at google.com> wrote:
>
> It might not be available, so all codepaths have to recover from zlib
> unavailability. For example, I don't think compressed DWARF works on
> Windows.
>
> On Tue, Sep 16, 2014 at 3:21 PM, Filip Pizlo <fpizlo at apple.com> wrote:
>
>> What is the downside of Zlib dependency?  I'm curious! :-)
>>
>> -Filip
>>
>> On Sep 16, 2014, at 2:45 PM, Christophe Duvernois <
>> christophe.duvernois at gmail.com> wrote:
>>
>> Hi
>>
>> Miniz (https://code.google.com/p/miniz/ ) is very small and performant
>> implementation of zlib compression with api compatibility and it is public
>> domain...
>> Miniz can be integrated directly into the llvm source code.
>> So it could be a good replacement or alternative to avoid zlib
>> dependency...
>>
>> If someone is interested i can provide a patch.
>>
>> Regards
>> Christophe
>>
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-- 
Saleem Abdulrasool
compnerd (at) compnerd (dot) org
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