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<TITLE>Re: [vtk-developers] Possible correct to OSMESA builds for static</TITLE>
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It does look like with a correct build of OSMesa, it works.<BR>
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On 8/23/10 4:42 PM, "Patchett, John M" <<a href="patchett@lanl.gov">patchett@lanl.gov</a>> wrote:<BR>
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I believe that you have build osmesa only if you don't want dependencies back on libGL ...<BR>
--John.<BR>
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On 8/23/10 1:08 PM, "Fabian, Nathan" <<a href="ndfabia@sandia.gov">ndfabia@sandia.gov</a>> wrote:<BR>
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I'm building Mesa myself, so it's very likely I've done it incorrectly. I can't equally compare with shared builds, since I have used existing OSMesa builds on those platforms. I will attempt a shared build on my mesa build when I have the chance.<BR>
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On 8/23/10 12:15 PM, "Moreland, Kenneth" <<a href="kmorel@sandia.gov">kmorel@sandia.gov</a>> wrote:<BR>
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I'm way not the expert on this, but I did this recently and I recall that when I built OSMesa static, all the GL functions were included in libOSMesa.a. Thus, you should not need a GL library at all. Has the Mesa build changed recently (like in the last few months)? Are things different when you compile with shared libraries?<BR>
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-Ken<BR>
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On 8/23/10 12:04 PM, "Fabian, Nathan" <<a href="ndfabia@sandia.gov">ndfabia@sandia.gov</a>> wrote:<BR>
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Hi,<BR>
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If I build with OSMESA but VTK_USE_X=false and build static, I get failures<BR>
to link. I believe the problem is in the locations where we link<BR>
OSMESA_LIBRARY, we need to also explicitly link with OPENGL_gl_LIBRARY (to<BR>
be explicit: Utilities/IceT/CMakeLists.txt, VTK/Rendering/CMakeLists.txt,<BR>
and VTK/VolumeRendering/CMakeLists.txt).<BR>
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Example diff:<BR>
-SET(KIT_LIBS ${KIT_LIBS} ${OSMESA_LIBRARY})<BR>
+SET(KIT_LIBS ${KIT_LIBS} ${OSMESA_LIBRARY} ${OPENGL_gl_LIBRARY})<BR>
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And similarly for MANGLED_OSMESA_LIBRARY although I haven't tested that.<BR>
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This is based on my assumption that we'd specify both mesa's GL as the<BR>
gl_LIBRARY as well as the OSMESA library itself in the CMakeCache. If this<BR>
is an incorrect assumption then please ignore me :)<BR>
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This works for me, but is it a correct change?<BR>
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Thanks,<BR>
Nathan.<BR>
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