Installation error : file INSTALL cannot find root-help.el: No such file or directory

I was trying to compile and install ROOT 6.28.06 in an workstation downloading the zip file from master repo of ROOT git repository. I used


and then

make -j4.

Since both of those two commands provided no error / warning, I tried to install as

sudo make install

as I intended to install at /opt. The installation halted yielding error message as

CMake Error at cmake_install.cmake:257 (file):
file INSTALL cannot find
"/home/vega/CERNSOFT/ROOT/root-master/root_build/root-help.el": No such
file or directory.

BTW, the workstation is not connected to any network.

Root Version: 6.28.06
Platform: Ubuntu 22.04 LTS Kernel 6.2.0-34-generic

Please help.
Thanks and Regards

Dear Abhijit,

Thanks for posting. This issue has been fixed during the weekend and did not propagate back to the 6.28 branch.
My proposal to fix your problem would be to suggest that you apply this change to your sources. Do you think it’s possible? It’s a pretty simple and localized one-liner.

Cheers and apologies for the glitch,

Dear Danilo,
Thanks a lot. It was a killer solution.
Best Regards

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