[osg-users] Build Error on Windows

Mark Sciabica msciabica at itracs.com
Mon Mar 23 12:37:01 PDT 2009


Hi Robert,

Thanks for the reply. I'll be upgrade CMake for my next build of OSG. 
But do you have any comment on the final paragraph of my e-mail? 
Embedding the install path configured when OSG is built only makes sense 
if OSG is not distributed in binary form.

Mark

Robert Osfield wrote:
> HI Mark,
>
> I would recommend using CMake 2.6.x under Windows.
>
> Robert.
>
> On Sat, Mar 21, 2009 at 12:55 AM, Mark Sciabica <msciabica at itracs.com 
> <mailto:msciabica at itracs.com>> wrote:
>
>     Hello all,
>
>     I'd like to report a build error I encountered on Windows using
>     CMake 2.4 and default CMAKE_INSTALL_PREFIX. The default value for
>     the install prefix is "C:/Program Files/OpenSceneGraph" (without
>     the quotes). The space in the path appears to confuse CMake when
>     generating the project file for osgDB. The problematic CMake
>     source line is:
>
>      
>     ADD_DEFINITIONS(-DOSG_DEFAULT_LIBRARY_PATH=${CMAKE_INSTALL_PREFIX}/lib${LIB_POSTFIX}/${OSG_PLUGINS})
>
>     CMake splits this line at the space, creating an output line of
>      "-DOSG_DEFAULT_LIBRARY_PATH=C:/Program" plus an additional
>     compiler option of "Files/OpenSceneGraph/lib/osgPlugins-2.8.0".
>     The compiler tries to compile this as a file and throws an error.
>     Putting quotes around the string for the CMAKE_INSTALL_PREFIX
>     option fixes the problem.
>
>     In addition to noting this build problem, I would like to question
>     the desirability of storing the install path in the binary. The
>     users of my software certainly won't be installing OSG in a fixed
>     path determined at the time I compile the software, so best case
>     here is a useless check of a nonexistent directory. Worst case is
>     that another build of OSG is in that directory with plugins built
>     with incompatible compiler options, leading to a crash. I suggest
>     removing this osg default library path or having an option to
>     disable it (preferably with disabled being the default).
>
>     Regards,
>
>     Mark
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>
>
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