RHEL 9 Build process documentation. about openrv HOT 19 CLOSED

I was stuck in the same place, got past it by additionally installing ocl-icd-devel (must have CRB repo enabled for that)
might be worth adding to the dependencies as well

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try installing nss

also, in case you haven't already I also had to install

meson zip python-unversioned-command perl-FindBin libXcomposite libXdamage libXrandr libXtst libXcursor

along the way.

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I linked the files, Didn’t find the headers.
So I installed the devel package.
That seems to have done it.

Now CMake throws me errors about open ssl and i also can`t make heads or tails of them.

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remove that line #include <sys/sysctl.h> in OpenRV/src/lib/base/TwkUtil/SystemInfo.cpp, apparently that's deprecated from glibc on EL9

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I will make a nice markdown file tomorrow or next week.

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Should look something like this:

-DRV_DEPS_QT5_LOCATION=/opt/Qt/5.15.2/gcc_64/

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There's also a rvcmds.sh file in the root of the repo that you can source that attempts to set up all the environment you need to build. Of course, not everyone's setup will be the same so if you use it please make sure the paths it sets are accurate -- you can override any of the paths it sets with environment variables.

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@la0011
THx that worked now I`m stuck at

CMake Error at /usr/local/share/cmake-3.25/Modules/FindPackageHandleStandardArgs.cmake:230 (message):
  Could NOT find OpenCL (missing: OpenCL_LIBRARY OpenCL_INCLUDE_DIR)
Call Stack (most recent call first):
  /usr/local/share/cmake-3.25/Modules/FindPackageHandleStandardArgs.cmake:600 (_FPHSA_FAILURE_MESSAGE)
  /usr/local/share/cmake-3.25/Modules/FindOpenCL.cmake:163 (find_package_handle_standard_args)
  src/lib/ip/IPCore/CMakeLists.txt:255 (FIND_PACKAGE)

both ocl-icd and opencl-headers seem to be installed

@rogernelson
How whould i do that ?
I assume it's just

 source rvcmds.sh

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Hi @NicTanghe. Yes, once you've done source rvcmds.sh and verified that all the paths are correct, you can do rvbootstrap to do the initial setup and build it or rvmk after the initial bootstrap to build it.

For the openCL error, have you installed the openCL headers? If you have a look at this section of the documentation, it gives a yum command that should install them (and other build dependencies).

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THx that fixed those.

Now its all the glu ones. (desc top)

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Hi @NicTanghe Do you have the file /usr/lib64/libGLU.so on your system? If not, you can get it from the package mesa-libGLU

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but i dont use mesa drivers?
does that matter ?

also the mesa-libGLU package was already installed but

test -f /usr/lib64/libGLU.so || echo " doesnt exist."

returns doesn't exist

searching in nautilus
libGLU.so.1
does exist

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If you already have libGLU, then great. Normally the setup is to link libLGU.so to libGLU.so.1 (which maybe be linked to something else). That is normally done at installation, but if not you could try just creating the symlink yourself.

sudo ln -s libGLU.so.1 /usr/lib64/libGLU.so

You'll also need the headers, do you have /usr/include/GL/glu.h installed on your system?

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I was only missing

perl-FindBin

That seems to have fixed things, it seems to be compiling now. I will close the ticket if it finishes compiling, if not I’ll be Arnold.

How did u figure out those dependencies ?

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import _tkinter # If this fails your Python may not be configured for Tk
ModuleNotFoundError: No module named '_tkinter'

installing python3-tkinter and running

import tkinter
tkinter._test()

in python solved nothing

i also needed to install
tcl-devel tk-devel

next i installed

sqlite-devel

Now im here

WARNING: The scripts f2py, f2py3 and f2py3.9 are installed in '/home/nanghe/git/OpenRV/cmake-build/RV_DEPS_PYTHON3/install/bin' which is not on PATH.
  Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
  WARNING: The scripts fonttools, pyftmerge, pyftsubset and ttx are installed in '/home/nanghe/git/OpenRV/cmake-build/RV_DEPS_PYTHON3/install/bin' which is not on PATH.
  Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
pre-commit 2.21.0 requires pyyaml>=5.1, which is not installed.

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How did u figure out those dependencies ?

compile... look for errors (usually linker missing an .so)... search on pkgs.org which package contains the missing file... install missing package ... repeat

also I was running in a docker so I started quite minimal already and had to install almost everything

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(i ws hoping you had some magic less labour intensive way)

[ 8%] Building CXX object src/lib/base/TwkUtil/CMakeFiles/TwkUtil.dir/SystemInfo.cpp.o
git/OpenRV/src/lib/base/TwkUtil/SystemInfo.cpp:22:10: fatal error: sys/sysctl.h: No such file or directory
22 | #include <sys/sysctl.h>

I have kernel-headers and kernel-cross-headers
Read somewhere you should remove.

Maybe if removing dont work try in future.
fixing with ln -s /usr/include/linux/sysctl.h sys/sysctl.h

next missing is libaio.h
libaio.h
dnf install libaio-devel

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Next error i get is.

/home/nanghe/git/OpenRV/src/lib/mu/Mu/Thread.cpp:77:34: error: ‘ucontext’ does not name a type; did you mean ‘Context’?
   77 |     _threadState = (size_t*)(new ucontext);
      |                                  ^~~~~~~~
      |                                  Context

error: ‘ucontext’ does not name a type; did you mean ‘Context’?
   77 |     _threadState = (size_t*)(new ucontext);

I’m hesitant to replace ucontext with Context because those seem like totally different functions.

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there's a proposed PR that fixes that. just rename ucontext to ucontext_t
#14

also check this issue, for future code issues, they all apply to EL9 as well:
#15

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