[Scons-users] MSVC linker always relink with shared library?

[Daniel Moody]

Thanks Thomas, that flag should be fine.

On Tue, Aug 14, 2018, 9:23 AM Thomas Berg <merlin66b at gmail.com> wrote:

> SCons does not parse your code and check whether you are exporting any
> symbols. But there is a flag you can set to tell scons not to expect a .lib
> file to be generated:
>
> env['no_import_lib'] = 1
>
> I think this stops the rebuilding in your case.
>
> Hope this helps,
> Thomas
>
>
> On Tue, Aug 14, 2018 at 3:55 PM Daniel Moody <dmoody256 at gmail.com> wrote:
>
>> Thanks, scons told me it wasn't building the import lib, this was because
>> I wasn't exporting any symbols with my example. Should scons know about
>> this case?
>>
>> On Tue, Aug 14, 2018, 6:11 AM Gary Oberbrunner <garyo at oberbrunner.com>
>> wrote:
>>
>>> Hi Daniel; can you try with 'scons --debug=explain' ? That might show
>>> why it thinks it needs to be rebuilt.
>>>
>>> On Tue, Aug 14, 2018 at 12:59 AM Daniel Moody <dmoody256 at gmail.com>
>>> wrote:
>>>
>>>> Anyone else seeing this with latest release (3.0.1)? It doesn't re-link
>>>> with Program when building an executable.
>>>>
>>>> Here is my SConstruct:
>>>>
>>>> env = Environment()
>>>> env.SharedLibrary('test', 'test1.c')
>>>>
>>>> Here is test1.c:
>>>>
>>>> int foo(){ return 0; }
>>>>
>>>> When I run this the first time this is my output:
>>>>
>>>> C:\Users\Daniel\workspace>scons -f SConstruct.py
>>>> scons: Reading SConscript files ...
>>>> scons: done reading SConscript files.
>>>> scons: Building targets ...
>>>> cl /Fotest1.obj /c test1.c /nologo
>>>> test1.c
>>>> link /nologo /dll /out:test.dll /implib:test.lib test1.obj
>>>> scons: done building targets.
>>>>
>>>> If I run the same command again without changing anything, I get the
>>>> link again:
>>>>
>>>> C:\Users\Daniel\workspace>scons -f SConstruct.py
>>>> scons: Reading SConscript files ...
>>>> scons: done reading SConscript files.
>>>> scons: Building targets ...
>>>> link /nologo /dll /out:test.dll /implib:test.lib test1.obj
>>>> scons: done building targets.
>>>>
>>>> Subsequent runs of the command produce the link again.
>>>>
>>>> I have Visual Studio 2015 installed.
>>>>
>>>> Scons and Python:
>>>> C:\Users\Daniel\workspace>scons -v
>>>> SCons by Steven Knight et al.:
>>>>         script: v3.0.1.74b2c53bc42290e911b334a6b44f187da698a668,
>>>> 2017/11/14 13:16:53, by bdbaddog on hpmicrodog
>>>>         engine: v3.0.1.74b2c53bc42290e911b334a6b44f187da698a668,
>>>> 2017/11/14 13:16:53, by bdbaddog on hpmicrodog
>>>>         engine path:
>>>> ['c:\\python36\\lib\\site-packages\\scons-3.0.1\\SCons']
>>>> Copyright (c) 2001 - 2017 The SCons Foundation
>>>>
>>>> C:\Users\Daniel\workspace>python --version
>>>> Python 3.6.5
>>>>
>>>>
>>>>
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>>>>
>>>
>>>
>>> --
>>> Gary
>>> _______________________________________________
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