[CMake] How to link the output of a custom command (VS2013) when the output is an obj file, since LinkObjects is hardcoded to false?

[Nick Georghiou]

Hi,

 

Thanks for the quick reply. I enabled asm language and it now links. 

 

Apologies for the noob question; 

 

Thanks Nick

 

From: Hendrik Sattler [mailto:post at hendrik-sattler.de] 
Sent: Wednesday, 2 September 2015 8:13 PM
To: ngeorghiou at iprimus.com.au; cmake at cmake.org
Subject: Re: [CMake] How to link the output of a custom command (VS2013) when the output is an obj file, since LinkObjects is hardcoded to false?

 

Hi,

why don't you just add the asm file to your add_library() call and enable the ASM language?

HS



Am 2. September 2015 09:21:11 MESZ, schrieb Nick Georghiou <ngeorghiou at iprimus.com.au>:

Hi,

 

I have the custom command provided below which successfully creates mydll.obj in the correct intermediate directory. However the LinkObjects property of the custom command within Visual Studio 2013 is set to false and therefore the object file is not linked. Upon inspection of the CMake code, it seems that the LinkObjects property is hardcoded to false and there is no cmake option to specify otherwise.

 

Is there another way to get the object file to link that I am missing. Any help on this would be greatly appreciated.

 

---

 

My custom command:

 

add_custom_command(

    OUTPUT "$(IntDir)mydll.obj" 

    COMMAND ml64.exe /c /nologo /Fo"$(IntDir)mydll.obj" /Zi "%(FullPath)" 

    MAIN_DEPENDENCY ${CMAKE_CURRENT_SOURCE_DIR}/mydll.asm)

 

---

 

CMake code in file cmVisualStudio10TargetGenerator.cxx:

 

    if(this->LocalGenerator->GetVersion()

                                        > cmGlobalVisualStudioGenerator::VS10)

      {

      // VS >= 11 let us turn off linking of custom command outputs.

      this->WritePlatformConfigTag("LinkObjects", i->c_str(), 3);

      (*this->BuildFileStream ) << "false</LinkObjects>\n";

      }

    }

 

 

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