[Scons-users] PCH target file

[Bill Deegan]

Glad to be of help!
-Bill

On Tue, Aug 25, 2015 at 3:23 AM, Ora <orshalev at gmail.com> wrote:

> Thank you Bill and everybody for your help.
>
> Based on your run, I rechecked my code, and found that I was passing the
> target in incorrect format.
>
> Thanks again,
> Ora
>
>
> On Sun, Aug 23, 2015 at 8:00 PM, Bill Deegan <bill at baddogconsulting.com>
> wrote:
>
>> Ora,
>>
>> This seems to work fine:
>>
>> SConstruct:
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *env = Environment()env['PCHSTOP'] = 'Precompiled.h'abc =
>> env.PCH(target='abc.pch',source='Precompiled.cpp')print abcenv['PCH'] =
>> abc[0]env.SharedLibrary('pch_dll', 'Main.cpp')env.Program('pch_exe',
>> 'Main.cpp')*
>>
>> Output
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> *c:\Python27\python.exe
>> C:\cygwin64\home\William\scons\scons\bootstrap\src\script\scons.pyscons:
>> Reading SConscript files ...['abc.pch', 'abc.obj']scons: done reading
>> SConscript files.scons: Building targets ...cl /Foabc.obj /TP /nologo /c
>> Precompiled.cpp /YcPrecompiled.h /Fpabc.pchPrecompiled.cppcl /FoMain.obj /c
>> Main.cpp /TP /nologo /YuPrecompiled.h "/Fpabc.pch"Main.cpplink /nologo /dll
>> /out:pch_dll.dll /implib:pch_dll.lib Main.obj abc.objlink /nologo
>> /OUT:pch_exe.exe Main.obj abc.objscons: done building targets.*
>>
>>
>> I tried a few variants including specifying a directory in target and
>> that worked as well
>>
>> -Bill
>>
>> On Sun, Aug 23, 2015 at 12:24 PM, Bill Deegan <bill at baddogconsulting.com>
>> wrote:
>>
>>> Ora,
>>>
>>> I'll take a look at the code.
>>> But sounds like variantDir's would be ideal for your usage, and resolve
>>> this problem for you.
>>>
>>> -Bill
>>>
>>> On Sun, Aug 23, 2015 at 11:59 AM, Ora <orshalev at gmail.com> wrote:
>>>
>>>> I am not using a variant dir.  I send the targets explicitly to the
>>>> builders.
>>>>
>>>> If the builder really doesn't accept a target, I'd rather build my own
>>>> and send the target as input.
>>>>
>>>> I'd just like to ensure I'm not overlooking anything before I do that.
>>>>
>>>> Ora
>>>>
>>>> On Sun, Aug 23, 2015 at 6:41 PM, Bill Deegan <bill at baddogconsulting.com
>>>> > wrote:
>>>>
>>>>> Ora,
>>>>>
>>>>> Are you using VariantDir's (Or variant_dir)?
>>>>> If so, try using the variantDir's copy of the source file for the pch?
>>>>>
>>>>> -Bill
>>>>>
>>>>> On Sun, Aug 23, 2015 at 11:14 AM, Ora <orshalev at gmail.com> wrote:
>>>>>
>>>>>> Each project is built in a different directory.
>>>>>>
>>>>>> My problem is that the PCH builder doesn't seem to accept a 'target',
>>>>>> and automatically creates the file in the source directory.
>>>>>>
>>>>>> I'm currently calling it with the source file as input.
>>>>>> PCH(source_file).
>>>>>>
>>>>>> When I tried sending PCH (target=target_file, source=source_file),
>>>>>> SCons failed  ('NoneType' object has no attribute 'side_effect').
>>>>>>
>>>>>> Is there a way to specify the target?
>>>>>>
>>>>>> Thanks,
>>>>>> Ora
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Thu, Aug 20, 2015 at 11:25 PM, Bill Deegan <
>>>>>> bill at baddogconsulting.com> wrote:
>>>>>>
>>>>>>> Ora,
>>>>>>>
>>>>>>> Seems like you need to have a different output file name for each
>>>>>>> project.. and/or build the output file in a variant dir or a different
>>>>>>> directory.
>>>>>>>
>>>>>>> -Bill
>>>>>>>
>>>>>>> On Thu, Aug 20, 2015 at 7:51 AM, Ora <orshalev at gmail.com> wrote:
>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> Is it possible to specify the output target in the PCH() builder?
>>>>>>>>
>>>>>>>> My problem is as such:
>>>>>>>>
>>>>>>>> I have several projects which use the same pre-compiled header
>>>>>>>> file, but compile it using different command line parameters. Currently,
>>>>>>>> the PCH file is being output into a common directory, and is therefore
>>>>>>>> recompiled every time I switch projects.
>>>>>>>>
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>> Ora
>>>>>>>>
>>>>>>>>
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>>>>>>>
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>>>>>>
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>>>>>
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