On Sat, Sep 19, 2020 at 8:27 PM Luya Tshimbalanga <l...@fedoraproject.org>
wrote:

> Thanks for quick response. The suggestion seems to work. Unfortunately,
> the build failed on openvdb (either using the bundled and 7.1.0 version)
> while working fine on Fedora 32.
>
> https://koji.fedoraproject.org/koji/taskinfo?taskID=51860207
>

The error is more informative than you think, but only because I've run
into this with another package. In boost 1.73 they made a change to the
scope of the placeholders[1] to not conflict with std namespace.

"Changed all uses of the boost.bind placeholders to use the boost::
placeholders namespace."

Something like this may work, but it's untested. I don't see where any
boost headers are being included, but they must be somewhere to use
boost::bind. If it doesn't I would try adding "#include
<boost/bind/bind.hpp>" in bakesputhread.cpp.

Index: LuxCore-luxcorerender_v2.4/src/slg/engines/bakecpu/bakecputhread.cpp
===================================================================
---
LuxCore-luxcorerender_v2.4.orig/src/slg/engines/bakecpu/bakecputhread.cpp
+++ LuxCore-luxcorerender_v2.4/src/slg/engines/bakecpu/bakecputhread.cpp
@@ -340,7 +340,7 @@ void BakeCPURenderThread::RenderLightSam
        const PathTracer &pathTracer = engine->pathTracer;

        const PathTracer::ConnectToEyeCallBackType connectToEyeCallBack =
boost::bind(
-                       &BakeCPURenderThread::RenderConnectToEyeCallBack,
this, mapInfo, _1, _2, _3, _4);
+                       &BakeCPURenderThread::RenderConnectToEyeCallBack,
this, mapInfo, boost::placeholders::_1, boost::placeholders::_2,
boost::placeholders::_3, boost::placeholders::_4);

        pathTracer.RenderLightSample(state.device, state.scene, state.film,
state.lightSampler,
                        state.lightSampleResults, connectToEyeCallBack);

Thanks,
Richard

 [1] https://www.boost.org/users/history/version_1_73_0.html
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