[ITK-dev] cannot build itk with mingw32 (gcc4.8) on windows 7

[Rashad M]

More FYI, reported on openjpeg bug tracker -
https://code.google.com/p/openjpeg/issues/detail?id=361&thanks=361&ts=1403435324


On Sun, Jun 22, 2014 at 1:04 PM, Rashad M <mohammedrashadkm at gmail.com>
wrote:

> Hi all,
>
> Compilation of ITK fails on Windows7 with mingw32 gcc4.8.  Error was when
> building libopenjpeg thirdpary. please see the below log on command prompt.
>
> [ 40%] Building C object
> Modules/ThirdParty/OpenJPEG/src/openjpeg/CMakeFiles/itk
> openjpeg.dir/openjpeg.c.obj
>
> D:\sources\InsightToolkit-4.5.2\Modules\ThirdParty\OpenJPEG\src\openjpeg\openjpe
> g.c:155:1: error: conflicting types for 'DllMain'
>  DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
>  ^
> In file included from c:\mingw\include\windows.h:62:0,
>                  from
> D:\sources\InsightToolkit-4.5.2\Modules\ThirdParty\OpenJPE
> G\src\openjpeg\openjpeg.c:29:
> c:\mingw\include\winbase.h:1051:13: note: previous declaration of
> 'DllMain' was
> here
>  BOOL WINAPI DllMain(HINSTANCE, DWORD, LPVOID);
>              ^
>
> Modules\ThirdParty\OpenJPEG\src\openjpeg\CMakeFiles\itkopenjpeg.dir\build.make:3
> 45: recipe for target
> 'Modules/ThirdParty/OpenJPEG/src/openjpeg/CMakeFiles/itkop
> enjpeg.dir/openjpeg.c.obj' failed
> mingw32-make[2]: ***
> [Modules/ThirdParty/OpenJPEG/src/openjpeg/CMakeFiles/itkope
> njpeg.dir/openjpeg.c.obj] Error 1
> CMakeFiles\Makefile2:3812: recipe for target
> 'Modules/ThirdParty/OpenJPEG/src/op
> enjpeg/CMakeFiles/itkopenjpeg.dir/all' failed
> mingw32-make[1]: ***
> [Modules/ThirdParty/OpenJPEG/src/openjpeg/CMakeFiles/itkope
> njpeg.dir/all] Error 2
> Makefile:145: recipe for target 'all' failed
> mingw32-make: *** [all] Error 2
>
> This Dllmain conflict can be fixed by adding an ifdef guard for MingW32
> along with OPJ_STATIC. Since the error is from thirdparty and must be fixed
> in their upstream I am not sure about wheather ITK will be patching it in
> the internal library. I can also confirm that this error is present in
> trunk version of openjpeg[1].
>
> [1] http://openjpeg.googlecode.com/svn/trunk/ openjpeg-read-only
>
>
> --
> Regards,
>    Rashad
>



-- 
Regards,
   Rashad
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