[Scons-users] Building versioned shared library fails when using MinGW

[Bill Deegan]

What happens when you change the target for SharedLibrary to 'foo.dll' ?

On Tue, Nov 22, 2016 at 7:57 PM, Ray Speth <speth at darkmatter.mit.edu> wrote:

> Bill,
>
> Adding the --tree=prune and --deub=presub options don't change the output.
> The value of CCCOM is '$CC -o $TARGET -c $CFLAGS $CCFLAGS $_CCCOMCOM
> $SOURCES'. According to env.subst, this works out to 'gcc -o -c'.
>
> The output from adding the --debug=stacktrace option are posted at
> https://gist.github.com/speth/6f022116c3a1273952afe8167c6388ae, along
> with the full output of 'print env.Dump()'.
>
> Regards,
> Ray
>
> On 11/20/2016 6:43 PM, Bill Deegan wrote:
>
>> Ray,
>>
>> I don't have mingw installed on a system I have readily available today.
>> Can you pastebin the output for the following:
>>
>> scons --tree=prune
>> scons --deub=presub
>>
>> Add:
>>
>> print env.Dump('CCCOM')
>>
>> To you Sconstruct and run scons and copy that output as well.
>>
>> Thanks,
>>
>> Bill
>>
>>
>>
>> On Sat, Nov 19, 2016 at 5:59 PM, Ray Speth <speth at darkmatter.mit.edu
>> <mailto:speth at darkmatter.mit.edu>> wrote:
>>
>>>
>>> Hi,
>>>
>>> I have encountered an apparent bug when trying to build versioned
>>>
>> shared libraries with MinGW. A minimal SConstruct:
>>
>>>
>>>     env = Environment(tools=['mingw'])
>>>     lib = env.SharedLibrary('foo', ['foo.cpp'], SHLIBVERSION='2.4')
>>>     env.AlwaysBuild(lib)
>>>
>>> generates the following output:
>>>
>>>     scons: Reading SConscript files ...
>>>     scons: *** A shared library should have exactly one target with the
>>> suffix: .dll
>>>     File "path\to\SConstruct", line 2, in <module>
>>>
>>> I have tested this with SCons 2.4.1, 2.5.0, and 2.5.1, with the same
>>>
>> results.
>>
>>>
>>> Regards,
>>> Ray
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>>
>>
>>
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