[lldb-dev] Windows Build Setup w/ Ninja for LLDB
Todd Fiala
todd.fiala at gmail.com
Thu Jul 3 16:13:31 PDT 2014
Confirmed that with Deepak's patch on my Windows 8.1 x86_64 setup, the
following cmake configuration built with ninja:
cmake -GNinja ..\llvm
ninja
This correctly built without python support. All those inconsistent
linkage warnings also disappeared.
On Thu, Jul 3, 2014 at 3:47 PM, Todd Fiala <todd.fiala at gmail.com> wrote:
> > That's roughly 1200 of 2779 files in now. I'll report back on what that
> does.
>
> So that setup did produce exes and ran through to completion. There were
> some linkage warnings throughout the build:
>
> c:\python27\include\pymath.h(22) : warning C4273: 'round' : inconsistent
> dll lin
> kage
>
>
> But lldb still ran, I could load an image (tried 'image create
> c:/bin/ninja', and it correctly told me it was an i386 image), and that's
> about it.
>
> For reference, it took just under 14 minutes to build on a 24 core Xeon
> running at roughly 3.8 GHz, using an OCZ RevoDrive X3 SSD raid and 48 GB of
> RAM.
>
> Trying that non-Python config patch now.
>
>
> On Thu, Jul 3, 2014 at 3:31 PM, Todd Fiala <todd.fiala at gmail.com> wrote:
>
>> This is getting me further. Here's what I've changed:
>>
>>
>> - added swig (from the swigwin exe download), added to my path.
>> - *added* python to my path. There is a build failure without it due
>> to what looks like usage of the python exe without using the
>> cmake-discovered python (the c:\python27\python.exe is discovered by cmake
>> without it being in the path). We'll want to track that down.
>> - Used the cmake command line that Deepak suggested:
>>
>> cmake -GNinja -DLLDB_DISABLE_PYTHON=0 -DLLDB_ENABLE_PYTHON_SCRIPTS_SWIG_API_GENERATION=1
>> ..\llvm
>>
>>
>> That's roughly 1200 of 2779 files in now. I'll report back on what that
>> does.
>>
>> I'll also try out Deepak's patch to see if it works when using the
>> default on Windows of not using Python.
>>
>> When I'm done with this, I plan to update the web site on a valid lldb
>> Windows build setup.
>>
>> -Todd
>>
>>
>> On Thu, Jul 3, 2014 at 3:13 PM, Todd Fiala <todd.fiala at gmail.com> wrote:
>>
>>> Hi Deepak,
>>>
>>> > If you define both -DLLDB_DISABLE_PYTHON=0 and -D
>>> LLDB_ENABLE_PYTHON_SCRIPTS_SWIG_API_GENERATION=1, it should build
>>> properly.
>>>
>>> Great, I'll try that out.
>>>
>>> I'll also have a look at your patch and at least verify it works over
>>> here without Python.
>>>
>>>
>>> On Thu, Jul 3, 2014 at 3:04 PM, Deepak Panickal <deepak at codeplay.com>
>>> wrote:
>>>
>>>> Hi Todd,
>>>>
>>>> You can build with Python successfully on Windows.
>>>> If you define both -DLLDB_DISABLE_PYTHON=0 and -D
>>>> LLDB_ENABLE_PYTHON_SCRIPTS_SWIG_API_GENERATION=1, it should build properly.
>>>>
>>>> You're right, it's currently broken for building without Python.
>>>> I just checked CMakelists.txt. An ifdef is missing, so you cannot
>>>> build on Windows without Python for now.
>>>>
>>>> I can't commit the fix now, can fix it when I'm back in office tomorrow
>>>> or you can commit this to CMakeLists.txt.
>>>> --- CMakeLists.txt Thu Jul 3 22:55:07 2014
>>>> +++ CMakeLists.txt Thu Jul 3 22:57:26 2014
>>>> @@ -316,7 +316,9 @@
>>>>
>>>> #add_subdirectory(include)
>>>> add_subdirectory(docs)
>>>> -add_subdirectory(scripts)
>>>> +if (NOT CMAKE_SYSTEM_NAME MATCHES "Windows" OR NOT LLDB_DISABLE_PYTHON)
>>>> + add_subdirectory(scripts)
>>>> +endif ()
>>>> add_subdirectory(source)
>>>> add_subdirectory(test)
>>>> add_subdirectory(tools)
>>>>
>>>> Thanks,
>>>> Deepak
>>>>
>>>>
>>>> On 03/07/2014 22:30, Todd Fiala wrote:
>>>>
>>>> Hey all,
>>>>
>>>> Can somebody tell me what I need to install on a fresh Window 8.1
>>>> x86_64 box to get an lldb windows build working?
>>>>
>>>> Here is what I've tried so far:
>>>>
>>>> - VS 2013
>>>> - ninja - sync from github, build 32-bit version. (The --x64 build
>>>> option seems to always bring up an error dialog box in a VS 2013 64-bit
>>>> window, so I use the x86 32-bit VS command prompt and build it as 32-bit.
>>>> This might be part of my issue).
>>>> - Initially I installed python.org's Python 2.7 64-bit. I later
>>>> tried the 32-bit after hitting issues in the build process.
>>>> - cmake 2.8.12.2. I tried the same with 3.0.0 but backed off to
>>>> 2.8.12.2 to normalize with Zachary's setup and avoid any issues that Reid
>>>> may have seen with 3.0.0 recently.
>>>> - Installed gnuwin32.
>>>>
>>>>
>>>> I sync llvm, llvm/tools/clang, and llvm/tools/lldb to the llvm, clang
>>>> and lldb repos.
>>>>
>>>> I ensure python is not in my path (i.e. 'where python' does not find
>>>> anything). I do have gnuwin32/bin, cmake and ninja in my path.
>>>>
>>>> I run:
>>>> dir
>>>> llvm
>>>>
>>>> mkdir build
>>>> cd build
>>>> cmake -GNinja ..\llvm
>>>> ninja
>>>>
>>>> I get an error after about 200 files in from trying to build that
>>>> says:
>>>> Building lldb python wrapper
>>>> FAILED: cmd.exe /c cd /D D:\lldb\git\build\tools\lldb\scripts && env
>>>> PYTHON_EXEC
>>>> UTABLE=C:/Python27/python.exe
>>>> D:/lldb/git/llvm/tools/lldb/scripts/build-swig-wra
>>>> pper-classes.sh D:/lldb/git/llvm/tools/lldb
>>>> D:/lldb/git/build/tools/lldb/scripts
>>>> D:/lldb/git/build/tools/lldb/scripts D:/lldb/git/build -m && env
>>>> PYTHON_EXECUTA
>>>> BLE=C:/Python27/python.exe
>>>> D:/lldb/git/llvm/tools/lldb/scripts/finish-swig-wrapp
>>>> er-classes.sh D:/lldb/git/llvm/tools/lldb
>>>> D:/lldb/git/build/tools/lldb/scripts D
>>>> :/lldb/git/build/tools/lldb/scripts D:/lldb/git/build -m
>>>> *env:
>>>> D:/lldb/git/llvm/tools/lldb/scripts/build-swig-wrapper-classes.sh: Exec for*
>>>> *mat error *
>>>>
>>>> That version is with a 32-bit python. I get the same error with a
>>>> 64-bit python installed in the same location.
>>>>
>>>> I have tried disabling python:
>>>>
>>>> delete the build dir
>>>> mkdir build
>>>> cd build
>>>> cmake -DLLDB_DISABLE_PYTHON=1 -GNinja ..\llvm
>>>>
>>>> Same error - it still detects the python (not in the path) and still
>>>> uses it.
>>>>
>>>> I've tried -DDISABLE_PYTHON=1 instead, that one just tells me that
>>>> variable is not used.
>>>>
>>>> So - I'm missing something basic here. I do not have cygwin in my
>>>> path. I used msysgit to get the source.
>>>>
>>>> Right now I would just settle for being able to disable python, even
>>>> though we need that running at some point.
>>>>
>>>> Thanks for any help!
>>>>
>>>> Sincerely,
>>>> Todd Fiala
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> lldb-dev mailing listlldb-dev at cs.uiuc.eduhttp://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>>>>
>>>>
>>>>
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>>>>
>>>>
>>>
>>>
>>> --
>>> -Todd
>>>
>>
>>
>>
>> --
>> -Todd
>>
>
>
>
> --
> -Todd
>
--
-Todd
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