[vtkusers] /MD(d) vs /MT(d)

[John Platt]

Hi Goodwin,

    "I'd like to see a "Use Static C Runtime Libraries" option in CMake that adds /MT(d) to the linker options instead of /MD(d)      by default."

would be very nice and save a lot of work as you note.

John.
  ----- Original Message ----- 
  From: Goodwin Lawlor 
  To: Kischell, Eric R. 
  Cc: VTK Users 
  Sent: Wednesday, June 25, 2014 5:03 PM
  Subject: Re: [vtkusers] /MD(d) vs /MT(d)


  Hi Erik,


  You're right - CMake could be improved to make handling the C runtime libs a little easier. They need to be edited manually in multiple places in the CMake gui usually.


  Your case wouldn't hold for all people though - you can build static VTK libs against shared C runtimes if you need to.


  I'd like to see a "Use Static C Runtime Libraries" option in CMake that adds /MT(d) to the linker options instead of /MD(d) by default.


  Thanks,


  Goodwin





  On Wed, Jun 25, 2014 at 4:39 PM, Kischell, Eric R. <Kischell.Eric at mayo.edu> wrote:

    Maarten,

    Here is my note from a long time ago…

                    vtkParallelCore-6.1 should be manually built the same way as all of the other libs in the calling chain.

    > You said-- BUILD_SHARED_LIBS is checked

    Hello VTK Lurkers, 

    When building VTK 5.8 as a static library under WIN7 using C-Make 2.8.6… 
    I un-check BUILD_SHARED_LIBS under the C-Make GUI. 
    The generated VC++ 2005 solution contains projects with 
    C / C++ | Code Generation set to  
    /MD instead of the correct /MT (Multi-threaded (/MT)). 
    I must then manually change all of the /MD's to /MT's under the C-Make GUI's advanced settings. 

    It would be more convenient to have C-Make automatically set to /MT and /MTd 
    if BUILD_SHARED_LIBS  is un-checked. 

    thx



    From: vtkusers [mailto:vtkusers-bounces at vtk.org] On Behalf Of Maarten Beek via vtkusers
    Sent: Wednesday, June 25, 2014 10:16 AM
    To: Goodwin Lawlor
    Cc: VTK Users
    Subject: Re: [vtkusers] /MD(d) vs /MT(d)



    Thanks for the reply.



    That's what I am trying to achieve.

    I am building an app that is linking to statically built libs, so I want to build my VTK statically as well.

    But the build breaks at the vtkParallelCore-6.1 project.



    A debug assertion fails when vtkHashSource-6.1.exe is run:

    dbgheap.c line 1322

    Expression: _CrtIsValidHeapPointer(pUserData)



    Maarten



    On Tuesday, June 24, 2014 6:15:20 PM, Goodwin Lawlor <goodwin.lawlor.lists at gmail.com> wrote:



    Hi Maarten,



    I usually find when you link VTK libs against the static runtime all dependent libraries must be linked against it too... otherwise you get name collisions between libcmt.lib (static) and msvcrt.lib (shared).



    So, for example, if you generate the VTK Tcl wrapper libs, you have to build the static Tcl libs against libcmt.lib yourself for inclusion in the project.



    hth,



    Goodwin



    On Mon, Jun 23, 2014 at 8:08 PM, Maarten Beek via vtkusers <vtkusers at vtk.org> wrote:

    Hello,



    I can build VTK 6.1.0 perfectly fine with the default /MD(d) settings.

    When I change /MD(d) into /MT(d) in CMake, the build breaks at the vtkParallelCore-6.1 project.



    BUILD_SHARED_LIBS is checked, as is VTK_Group_Qt.



    Anyone able to tell me how to build VTK with the /MT(d) setting?



    Thanks - Maarten


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