[lldb-dev] Compiling LLDB on Centos 5 (dont judge me)

[Todd Fiala via lldb-dev]

Great, glad to hear, Mark!

On Thu, Oct 29, 2015 at 4:57 PM, Mark Chandler <mchandler at blizzard.com>
wrote:

>
> For My Centos 5 build:
>
> * Using python 2.7 (From devtoolset 2)
>
> * Using gcc 4.8 (From devtoolset 2)
>
> * disabled libedit and python bindings
>
> * Built cmake from source
>
> * Make is fine so didnt bother with ninja
>
>
> Applying the patch then gives me a working liblldb.so.
>
>
> Also want to say that its refreshing seeing such a good api. The interface
> is easy to understand and is standalone without pulling in a bunch of
> complex types from other libraries. Well done lldb team!
>
>
> Mark
>
>
>
> ------------------------------
> *From:* Todd Fiala <todd.fiala at gmail.com>
> *Sent:* Thursday, October 29, 2015 4:17 PM
> *To:* Mark Chandler
> *Cc:* Oleksiy Vyalov; lldb-dev at lists.llvm.org
> *Subject:* Re: [lldb-dev] Compiling LLDB on Centos 5 (dont judge me)
>
> I fixed several RHEL-derived distribution-related issues in top of tree
> LLDB a few weeks back.  It was for RHEL 7-derived builds, so quite a bit
> newer.  If you are building your lldb off of top-of-tree, hopefully this
> will mostly become an exercise of:
>
> * Do you have a new-enough python.  (I believe at this point you really
> want a 2.7, but with CentOS 5 you might be far back enough to be 2.4 or
> 2.6.  We probably limp along with 2.6 since that was our baseline for a
> while).  Worst case here you can download a newer python and build from
> source, then specify it to cmake via the right python cmake variables.
>
> * Do you have a new-enough c++ compiler.  Since you're able to build a
> clang, that should take care of that issue.
>
> * Other libs you'll need.  I needed to install these:
>
> yum install libedit-devel
> yum install python-devel
> yum install ncurses-devel
> yum install swig
> yum install libxml2-devel
>
> * cmake - you'll need cmake 2.8.12.2 or later.  This one I'm pretty sure you're going to need to build this from scratch.
>
> * ninja - you're going to want to build the ninja build tool to optimize your build speed and use -GNinja with your cmake command line.
>
> It'll be interesting to hear what else you find.
>
>
> On Tue, Oct 27, 2015 at 8:37 PM, Mark Chandler via lldb-dev <
> lldb-dev at lists.llvm.org> wrote:
>
>> Using gcc 4.8 from devtoolset2. Clang builds fine so might try building
>> with that tomorrow.
>>
>> Sent from my iPhone
>>
>> On Oct 27, 2015, at 7:46 PM, Oleksiy Vyalov <ovyalov at google.com> wrote:
>>
>> Hi Mark,
>>
>> what compiler do you use? Could you try to build LLDB with clang 3.5
>> specifying it via DCMAKE_C_COMPILER and DCMAKE_CXX_COMPILER flags?
>> It might be a problem with sysroot setup since some headers are not found
>> - you can try to pass a custom sysroot with
>> -DCMAKE_CXX_FLAGS="--sysroot=..."
>>
>> On Tue, Oct 27, 2015 at 2:05 PM, Mark Chandler via lldb-dev <
>> lldb-dev at lists.llvm.org> wrote:
>>
>>> Hi All,
>>>
>>>
>>>
>>> Trying to get LLDB to compile on centos 5 to help reduce the size of
>>> cores of programs crashing on some servers however im running into some
>>> compile issues with it. Looks like some features are used from newer kernel
>>> versions and was wondering what the procedure is to get this fixed and
>>> updated into lldb.
>>>
>>>
>>>
>>> These are the errors so far:
>>>
>>>
>>> https://gist.githubusercontent.com/lodle/47493c8ea2a51eff5322/raw/ce158e1d10d1df363bdd3a77b11ff3d8661e8144/lldb_make.txt
>>>
>>> Some of them are using O_CLOEXEC flag and headers that don’t exist and
>>> was easy enough to add works around. The ones at the end im not sure about.
>>>
>>>
>>>
>>>
>>>
>>> Build Script:
>>>
>>> https://gist.github.com/lodle/e24a80907bbf7a7b72f6
>>>
>>>
>>>
>>>
>>>
>>> Thanks for the help.
>>>
>>>
>>>
>>>
>>>
>>> *Mark Chandler*
>>>
>>> Battle.Net <http://battle.net> Infrastructure | Blizzard Entertainment
>>>
>>> *(P) *949-955-1380 x15353
>>>
>>>
>>>
>>> _______________________________________________
>>> lldb-dev mailing list
>>> lldb-dev at lists.llvm.org
>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
>>>
>>>
>>
>>
>> --
>> Oleksiy Vyalov | Software Engineer | ovyalov at google.com
>>
>>
>> _______________________________________________
>> lldb-dev mailing list
>> lldb-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
>>
>>
>
>
> --
> -Todd
>



-- 
-Todd
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