[vtkusers] SystemTools.cxx:326:51: error: ‘realpath’ was not declared in this scope

[Cory Quammen]

Hi Andy,

I don't know if cygwin is officially supported anymore. VTK isn't being
tested against cygwin on a regular basis.

Perhaps this page will help:

http://hvrl.ics.keio.ac.jp/kimura/vtk/vtk-6.3.0.html.

Cory

On Fri, Oct 30, 2015 at 10:12 AM, Andrew J. Buckler (Elucid Bioimaging) <
andrew.buckler at elucidbio.com> wrote:

> Hello,
>
> I am building VTK on Windows with Cygwin.  I am trying to make the use of
> cmake and the build process as similar to Mac as possible; I already have
> it working there.  The cmake configuration works fine, but the build fails:
>
> $ make
>
> Scanning dependencies of target VTKData
>
> [  0%] Built target VTKData
>
> Scanning dependencies of target vtksys
>
> [  0%] Building C object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/ProcessUNIX.c.o
>
> [  0%] Building C object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/Base64.c.o
>
> [  0%] Building C object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/EncodingC.c.o
>
> [  0%] Building C object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/MD5.c.o
>
> [  0%] Building C object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/System.c.o
>
> [  0%] Building CXX object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/Directory.cxx.o
>
> [  0%] Building CXX object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/DynamicLoader.cxx.o
>
> [  0%] Building CXX object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/EncodingCXX.cxx.o
>
> [  0%] Building CXX object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/Glob.cxx.o
>
> [  0%] Building CXX object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/RegularExpression.cxx.o
>
> [  0%] Building CXX object
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/SystemTools.cxx.o
>
> /cygdrive/c/Users/Andrew Buckler/My
> Documents/projects/VTK-6.3.0/Utilities/KWSys/vtksys/SystemTools.cxx: In
> function ‘void Realpath(const string&, std::string&, std::string*)’:
>
> /cygdrive/c/Users/Andrew Buckler/My
> Documents/projects/VTK-6.3.0/Utilities/KWSys/vtksys/SystemTools.cxx:326:51:
> error: ‘realpath’ was not declared in this scope
>
>    char *ret = realpath(path.c_str(), resolved_name);
>
>                                                    ^
>
> /cygdrive/c/Users/Andrew Buckler/My
> Documents/projects/VTK-6.3.0/Utilities/KWSys/vtksys/SystemTools.cxx: In
> function ‘int vtksys::kwsysUnPutEnv(const string&)’:
>
> /cygdrive/c/Users/Andrew Buckler/My
> Documents/projects/VTK-6.3.0/Utilities/KWSys/vtksys/SystemTools.cxx:518:16:
> error: ‘putenv’ was not declared in this scope
>
>    if(putenv(buf) < 0 && errno != EINVAL)
>
>                 ^
>
> /cygdrive/c/Users/Andrew Buckler/My
> Documents/projects/VTK-6.3.0/Utilities/KWSys/vtksys/SystemTools.cxx: In
> member function ‘bool vtksys::kwsysEnv::Put(const char*)’:
>
> /cygdrive/c/Users/Andrew Buckler/My
> Documents/projects/VTK-6.3.0/Utilities/KWSys/vtksys/SystemTools.cxx:658:25:
> error: ‘putenv’ was not declared in this scope
>
>      return putenv(newEnv) == 0;
>
>                          ^
>
> Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/build.make:302: recipe for
> target 'Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/SystemTools.cxx.o'
> failed
>
> make[2]: ***
> [Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/SystemTools.cxx.o] Error 1
>
> CMakeFiles/Makefile2:193: recipe for target
> 'Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/all' failed
>
> make[1]: *** [Utilities/KWSys/vtksys/CMakeFiles/vtksys.dir/all] Error 2
>
> Makefile:127: recipe for target 'all' failed
>
> make: *** [all] Error 2
>
>
>
> Any help?
>
>
>
> Best regards,
>
> *Andy*
>
> -------------------------------------
>
> *Andrew J. Buckler*, President and CEO
>
> *Elucid Bioimaging Inc.*
>
> 225 Main Street, Suite 15 | Wenham, MA  01984  USA
>
> Office: +1-978-468-0508
>
> Mobile: +1-978-473-1986
>
> Fax: +1-978-468-0527
>
> andrew.buckler at elucidbio.com | www.elucidbio.com
>
>
>
> This e-mail is from Elucid Bioimaging Inc., a product development and
> contract research company, and may contain information that is confidential
> or privileged. If you are not the intended recipient, do not read, copy or
> distribute the e-mail or any attachments. Instead, please notify the sender
> and delete the e-mail and any attachments. Thank you.
>
>
>
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-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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