[lldb-dev] lldb-3.8.1 prebuilt binary for windows7

Mon Nov 28 10:25:14 PST 2016

At least on my machine, finding Python is not the problem, because Python
installer has added C:\Python35 to the PATH.  (It can also be found in the
Registry at
HKLM\SOFTWARE\Python\PythonCore\3.5-32\InstallPath).

On Mon, Nov 28, 2016 at 10:17 AM, Zachary Turner <zturner at google.com> wrote:

> I overlooked that part of it, but yes that is another separate issue.
>  (BTW, _lldb.pyd is simply a symlink to liblldb.dll).
>
> In any case, yea I think the entire lib/site-packages folder needs to be
> included.
>
> On Mon, Nov 28, 2016 at 10:15 AM Vadim Chugunov <vadimcn at gmail.com> wrote:
>
>> Please correct me if I'm wrong, but isn't the issue here that LLDB's
>> Python support files don't get packaged into the Windows installer?   Does
>> packaging them somehow depend on knowing what the Python installation path
>> is?
>>
>> On Mon, Nov 28, 2016 at 10:09 AM, Hans Wennborg <hans at chromium.org>
>> wrote:
>>
>> The snapshots are built with the script in
>> utils/release/build_llvm_package.bat. It's currently passing
>> -DLLDB_RELOCATABLE_PYTHON=1 and  -DPYTHON_HOME=<path>.
>>
>> I was planning on trying to build a new snapshot today and can add
>> -DLLDB_DEFAULT_PYTHON_HOME if you think that will help.
>>
>> On Mon, Nov 28, 2016 at 9:51 AM, Zachary Turner <zturner at google.com>
>> wrote:
>> > So it sounds like you're saying that in order for Python support to
>> work as
>> > part of an LLDB shipped in the installer, we need to do set 3 variables
>> at
>> > CMake time.
>> >
>> > 1) -DLLDB_RELOCATABLE_PYTHON=TRUE
>> > 2) -DPYTHON_HOME = <path-to-python-3-5-on-build-machine>
>> > 3) -DLLDB_DEFAULT_PYTHON_HOME=TRUE
>> >
>> > Now because of #3, the lldb shipped in the installer will use the
>> PYTHONHOME
>> > system environment variable to locate python, which must point to a
>> valid
>> > Python 3.5 installation.  Is this correct?
>> >
>> > On Mon, Nov 28, 2016 at 9:35 AM Ted Woodward <
>> ted.woodward at codeaurora.org>
>> > wrote:
>> >>
>> >> Windows has no concept of a default python installation, and I can’t be
>> >> sure what version of python my users have, if any, so I need to solve 2
>> >> problems:
>> >>
>> >> 1)      Where is python when I’m building?
>> >>
>> >> 2)      Where is python when I’m running?
>> >>
>> >>
>> >>
>> >> To solve #1, I set LLDB_RELOCATABLE_PYTHON to TRUE, and PYTHON_HOME to
>> my
>> >> python installation (on our buildbots, c:/python351).
>> >>
>> >>
>> >>
>> >> #2 only needs to be solved if the machine you’re running on doesn’t
>> have
>> >> the same python installation, in PYTHON_HOME above. To do that, I’ve
>> added
>> >> code to set a cmake path LLDB_DEFAULT_PYTHONHOME, which I pass as a
>> macro
>> >> down to InitializePythonHome in
>> >> source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp,
>> and
>> >> call Py_SetPythonHome with it. My installations have the python dll and
>> >> python library directory. We put the library in <install>/lib/python35
>> and
>> >> the dll in <install>/bin.
>> >>
>> >> --
>> >>
>> >> Qualcomm Innovation Center, Inc.
>> >>
>> >> The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
>> a
>> >> Linux Foundation Collaborative Project
>> >>
>> >>
>> >>
>> >> From: Zachary Turner [mailto:zturner at google.com]
>> >> Sent: Wednesday, November 23, 2016 12:40 PM
>> >> To: Vadim Chugunov <vadimcn at gmail.com>
>> >> Cc: Reid Kleckner <rnk at google.com>; Hans Wennborg <hans at chromium.org>;
>> >> LLDB <lldb-dev at lists.llvm.org>; Ted Woodward <
>> ted.woodward at codeaurora.org>
>> >> Subject: Re: [lldb-dev] lldb-3.8.1 prebuilt binary for windows7
>> >>
>> >>
>> >>
>> >> I believe the way to fix this is going to be building LLDB for the
>> >> installer with LLDB_RELOCATABLE_PYTHON=1 at CMake time
>> >>
>> >>
>> >>
>> >> +Ted, since I believe he is one of the few people currently using this
>> >> flag.
>> >>
>> >> On Wed, Nov 23, 2016 at 10:36 AM Vadim Chugunov <vadimcn at gmail.com>
>> wrote:
>> >>
>> >> This is still broken in the October snapshot.   Do you know which
>> script
>> >> is used to build the Windows installer?
>> >>
>> >>
>> >>
>> >> On Tue, Oct 11, 2016 at 6:24 PM, Zachary Turner <zturner at google.com>
>> >> wrote:
>> >>
>> >> I think it is a problem with the way we built lldb.  I will look into
>> what
>> >> additional steps we need to take when making the prebuilt binary so
>> that it
>> >> works next time.
>> >>
>> >>
>> >>
>> >> On Tue, Oct 11, 2016 at 6:20 PM Vadim Chugunov <vadimcn at gmail.com>
>> wrote:
>> >>
>> >> Nope, that didn't help.
>> >>
>> >>
>> >>
>> >> On Tue, Oct 11, 2016 at 5:16 PM, Zachary Turner <zturner at google.com>
>> >> wrote:
>> >>
>> >> I may know what this is.  Can you try setting PYTHONPATH though to
>> point
>> >> to your Python 3.5 installation though and see if it fixes it?  (I
>> don't
>> >> think it will, but let's try anyway)
>> >>
>> >>
>> >>
>> >> On Tue, Oct 11, 2016 at 4:59 PM Vadim Chugunov <vadimcn at gmail.com>
>> wrote:
>> >>
>> >> It outputs 'c:\Program Files (x86)\LLVM\lib\site-packages', however the
>> >> 'site-packages' directory does not exist.  Nor do I see '_lldb.pyd'
>> anywhere
>> >> else.
>> >>
>> >> 'script import lldb' also fails, of course.
>> >>
>> >>
>> >>
>> >> On Tue, Oct 11, 2016 at 4:01 PM, Zachary Turner <zturner at google.com>
>> >> wrote:
>> >>
>> >> He said he did, so I don't know.  Vadim, can you elaborate?  When you
>> run
>> >> `lldb -P` from the command line, what do you see?
>> >>
>> >>
>> >>
>> >> On Tue, Oct 11, 2016 at 4:00 PM Reid Kleckner via lldb-dev
>> >> <lldb-dev at lists.llvm.org> wrote:
>> >>
>> >> I imagine that Hans doesn't have Python 3 installed on his system, so
>> LLDB
>> >> didn't autoconfigure with Python support.
>> >>
>> >>
>> >>
>> >> On Sun, Oct 9, 2016 at 1:07 PM, Vadim Chugunov via lldb-dev
>> >> <lldb-dev at lists.llvm.org> wrote:
>> >>
>> >> > Does the 4.0 binary not work for you? It is the first release that
>> >> > contains prebuilt lldb binary.
>> >>
>> >>
>> >>
>> >> Looks like the Python API is not included though.   Do you know why it
>> was
>> >> left out?
>> >>
>> >>
>> >>
>> >>
>> >> _______________________________________________
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>> >> lldb-dev at lists.llvm.org
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>> >>
>> >>
>> >>
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>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>>
>>
>>
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