[Scons-users] SWIG

Wed Mar 11 01:54:50 EDT 2015

FYI.  The behavior I expect from your code is that the python generated
file would exist in the variant directory.  It obvious doesn't.

V/R,
William

On Wed, Mar 11, 2015 at 1:53 AM, William Blevins <wblevins001 at gmail.com>
wrote:

> Honestly, that may be a bug with the SWIG emitter/builder and variant
> directories.  Seems that the emitter is taking into account the variant
> directory, but the builder isn't, so their is a mismatch between expected
> and actual output.
>
> Try passing the outdir like "#out/lib" which may override the variant
> directory expectation.  If that doesn't work then try specifying outdir as
> absolute path, and let us know.
>
> V/R,
> William
>
> On Wed, Mar 11, 2015 at 1:48 AM, William Roberts <bill.c.roberts at gmail.com
> > wrote:
>
>> I think its pass 2. The file itself exists in out/lib/miniat.py where I
>> expect it. That is what I set SWIGOUTDIR in my local branch too. public is
>> a little behind me now.
>>
>>
>> On Tue, Mar 10, 2015 at 10:45 PM, William Blevins <wblevins001 at gmail.com>
>> wrote:
>>
>>> Is that pass-1 or pass-2?  And what is the expected behavior (IE. where
>>> do you expect the file)?
>>>
>>> V/R,
>>> William
>>>
>>> On Wed, Mar 11, 2015 at 1:42 AM, William Roberts <
>>> bill.c.roberts at gmail.com> wrote:
>>>
>>>> absolutely, sorry about that. It appears that it concatenates variant
>>>> directory with output directory which causes the
>>>> file not to be found.
>>>>
>>>> scons: Building targets ...
>>>> scons: building `out/vm/out/lib/miniat.py' because it doesn't exist
>>>> swig -o out/vm/src/miniat_wrap.c -outdir "out/lib" -python
>>>> out/vm/src/miniat.i
>>>> scons: done building targets.
>>>>
>>>>
>>>> On Tue, Mar 10, 2015 at 10:39 PM, William Blevins <
>>>> wblevins001 at gmail.com> wrote:
>>>>
>>>>> Can you use debug=explain please?  We need finite state descriptions
>>>>> to accompany issues or we cannot help ;)
>>>>>
>>>>> V/R,
>>>>> William
>>>>>
>>>>> On Wed, Mar 11, 2015 at 1:37 AM, William Roberts <
>>>>> bill.c.roberts at gmail.com> wrote:
>>>>>
>>>>>> I used the filtered glob from here to correct the pickup of the
>>>>>> generated wrap.c file:
>>>>>>
>>>>>> http://stackoverflow.com/questions/12518715/how-do-i-filter-an-scons-glob-result
>>>>>>
>>>>>> However, it appears that the builder doesn't handle detecting changes
>>>>>> properly, and
>>>>>> always builds the wrapper file...
>>>>>>
>>>>>> Executing script:
>>>>>> /home/bill/workspace/miniat/out/peripherals/simple_term
>>>>>> scons: done reading SConscript files.
>>>>>> scons: Building targets ...
>>>>>> SWIG out/vm/src/miniat_wrap.c
>>>>>> scons: done building targets.
>>>>>>
>>>>>>
>>>>>> On Tue, Mar 10, 2015 at 10:30 PM, William Roberts <
>>>>>> bill.c.roberts at gmail.com> wrote:
>>>>>>
>>>>>>> looks like the Glob(src/*.c) is picking up the miniat_wrap.c file
>>>>>>> that was generated by swig in the working directory.
>>>>>>>
>>>>>>> On Tue, Mar 10, 2015 at 10:09 PM, William Blevins <
>>>>>>> wblevins001 at gmail.com> wrote:
>>>>>>>
>>>>>>>> Nevermind there was a link included.  I am used to gettings
>>>>>>>> attachments.
>>>>>>>>
>>>>>>>> Sorry,
>>>>>>>> William
>>>>>>>>
>>>>>>>> On Wed, Mar 11, 2015 at 1:04 AM, William Blevins <
>>>>>>>> wblevins001 at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> You haven't supplied enough context.  This is most likely specific
>>>>>>>>> to your SConscript calls.  Can you please include your script?
>>>>>>>>>
>>>>>>>>> V/R,
>>>>>>>>> William
>>>>>>>>>
>>>>>>>>> On Wed, Mar 11, 2015 at 12:57 AM, William Roberts <
>>>>>>>>> bill.c.roberts at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> FYI my work is here:
>>>>>>>>>> https://bitbucket.org/miniat/0x1-miniat/branch/swig-python
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Tue, Mar 10, 2015 at 8:56 PM, Bill Deegan <
>>>>>>>>>> bill at baddogconsulting.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> William,
>>>>>>>>>>>
>>>>>>>>>>> If you want more control, you might break out.
>>>>>>>>>>>
>>>>>>>>>>> xyz=
>>>>>>>>>>> env.SharedObject('targetdir/file','sourcefile.i',SWIGFLAGS=['-python',
>>>>>>>>>>> '-outdir', 'out/lib'])
>>>>>>>>>>> And then use all or part of xyz
>>>>>>>>>>>
>>>>>>>>>>> Also note that all builders should be treated as if they return
>>>>>>>>>>> a list of Node objects.
>>>>>>>>>>> So your:
>>>>>>>>>>> return [l, x]
>>>>>>>>>>>
>>>>>>>>>>> Should likely be:
>>>>>>>>>>> return l+x
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> doesn't scons internally flatten nested lists? Although,
>>>>>>>>>> concatenating is probably the better way, as you suggest.
>>>>>>>>>>
>>>>>>>>>> I seem to get some weird issues when I run scons without any
>>>>>>>>>> modfications to any files, it reruns swig and I see the following issues:
>>>>>>>>>>
>>>>>>>>>> scons: warning: Two different environments were specified for
>>>>>>>>>> target src/miniat_wrap.os,
>>>>>>>>>> but they appear to have the same action: $SHCC -o $TARGET -c
>>>>>>>>>> $SHCFLAGS $SHCCFLAGS $_CCCOMCOM $SOURCES
>>>>>>>>>> File "/home/bill/workspace/miniat/SConstruct", line 96, in
>>>>>>>>>> buildSharedLibrary
>>>>>>>>>> Executing script: /home/bill/workspace/miniat/out/vm/test
>>>>>>>>>> Executing script: /home/bill/workspace/miniat/out/tools/mash
>>>>>>>>>> Executing script:
>>>>>>>>>> /home/bill/workspace/miniat/out/peripherals/debugger
>>>>>>>>>> Executing script:
>>>>>>>>>> /home/bill/workspace/miniat/out/peripherals/simple_kb
>>>>>>>>>> Executing script:
>>>>>>>>>> /home/bill/workspace/miniat/out/peripherals/simple_term
>>>>>>>>>> scons: done reading SConscript files.
>>>>>>>>>> scons: Building targets ...
>>>>>>>>>> swig -o out/vm/src/miniat_wrap.c -python -outdir out/lib
>>>>>>>>>> out/vm/src/miniat.i
>>>>>>>>>> LD out/vm/libminiat.so
>>>>>>>>>> CP out/lib/libminiat.so
>>>>>>>>>> LD out/system/console/miniat_console
>>>>>>>>>>
>>>>>>>>>> It also somehow ends up modifying the libminiat.so library to
>>>>>>>>>> include swig python stuff that it didn't include in that so on the first
>>>>>>>>>> build.
>>>>>>>>>> If you use nm to dump the symbols
>>>>>>>>>>
>>>>>>>>>> First Run, builds and links fine:
>>>>>>>>>> $ nm out/lib/libminiat.so | grep swig
>>>>>>>>>> <no output>
>>>>>>>>>>
>>>>>>>>>> run scons again, see the issues noted above, and the check the
>>>>>>>>>> library:
>>>>>>>>>> $ nm out/lib/libminiat.so | grep swig
>>>>>>>>>> 0000000000213740 d _swigc__p_char
>>>>>>>>>> 0000000000213780 d _swigc__p_miniat
>>>>>>>>>>
>>>>>>>>>> It seems to be getting confused.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> -Bill
>>>>>>>>>>>
>>>>>>>>>>> On Tue, Mar 10, 2015 at 6:07 PM, William Roberts <
>>>>>>>>>>> bill.c.roberts at gmail.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> On Tue, Mar 10, 2015 at 6:03 PM, William Roberts <
>>>>>>>>>>>> bill.c.roberts at gmail.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> So I have a heiarchical biuld going on, my SConstruct defines
>>>>>>>>>>>>> this method that is exported to my SConscripts
>>>>>>>>>>>>>
>>>>>>>>>>>>> def buildSharedLibrary(*args, **kwargs):
>>>>>>>>>>>>>         l = env.SharedLibrary(*args, **kwargs)
>>>>>>>>>>>>>         x = env.Install(libdir, l)
>>>>>>>>>>>>>         return [l, x]
>>>>>>>>>>>>>
>>>>>>>>>>>>> So all my shared libraries end up in out/lib
>>>>>>>>>>>>>
>>>>>>>>>>>>> I am currently trying to make a swig wrapper, and my
>>>>>>>>>>>>> SConstruct defines:
>>>>>>>>>>>>>
>>>>>>>>>>>>> buildSharedLibrary('_miniat.so', 'src/miniat.i',
>>>>>>>>>>>>> LIBS=['miniat'], CPPPATH=[ INC, distutils.sysconfig.get_python_inc() ],
>>>>>>>>>>>>> SHLIBPREFIX="", SWIGFLAGS=['-python'])
>>>>>>>>>>>>>
>>>>>>>>>>>>> Which builds the wrapper into a shared object just fine.
>>>>>>>>>>>>> However, swig outputs a generated python file at:
>>>>>>>>>>>>> ./out/vm/src/miniat.py
>>>>>>>>>>>>>
>>>>>>>>>>>>> What I am trying to do, is get SCons to install this into the
>>>>>>>>>>>>> SharedLibrary directory, but it doesn't seem to be ommited here:
>>>>>>>>>>>>> l = env.SharedLibrary(*args, **kwargs)
>>>>>>>>>>>>>
>>>>>>>>>>>>> How can I get that generated file output where I want it?
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>> As usual, just after I sent I found what I was looking for:
>>>>>>>>>>>>
>>>>>>>>>>>> buildSharedLibrary('_miniat.so', 'src/miniat.i',
>>>>>>>>>>>> LIBS=['miniat'], CPPPATH=[ INC, distutils.sysconfig.get_python_inc() ],
>>>>>>>>>>>> SHLIBPREFIX="", SWIGFLAGS=['-python', '-outdir', 'out/lib'])
>>>>>>>>>>>>
>>>>>>>>>>>> But is this the best way?
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>> --
>>>>>>>>>>>>> Respectfully,
>>>>>>>>>>>>>
>>>>>>>>>>>>> William C Roberts
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> Respectfully,
>>>>>>>>>>>>
>>>>>>>>>>>> William C Roberts
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> Scons-users mailing list
>>>>>>>>>>>> Scons-users at scons.org
>>>>>>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> Scons-users mailing list
>>>>>>>>>>> Scons-users at scons.org
>>>>>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Respectfully,
>>>>>>>>>>
>>>>>>>>>> William C Roberts
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Scons-users mailing list
>>>>>>>>>> Scons-users at scons.org
>>>>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Scons-users mailing list
>>>>>>>> Scons-users at scons.org
>>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Respectfully,
>>>>>>>
>>>>>>> William C Roberts
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Respectfully,
>>>>>>
>>>>>> William C Roberts
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> Scons-users mailing list
>>>>>> Scons-users at scons.org
>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>
>>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Scons-users mailing list
>>>>> Scons-users at scons.org
>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Respectfully,
>>>>
>>>> William C Roberts
>>>>
>>>>
>>>> _______________________________________________
>>>> Scons-users mailing list
>>>> Scons-users at scons.org
>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>
>>>>
>>>
>>> _______________________________________________
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>>>
>>>
>>
>>
>> --
>> Respectfully,
>>
>> William C Roberts
>>
>>
>> _______________________________________________
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>>
>>
>
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