
                    For bar, we pick up the best solutions provided by github life savers.
                    If google brings you here, you are so lucky! These life savers are angels, they have well solved your problems.
                    So do not waste time scrolling the original issue threads just to dig out solutions... 
                    Here you are, you are welcome. Then, go back to work!
                    

OK after quite a while fighting with this I've managed to get rid of the warnings On my (Arch) box siji is installed 

polybar Dropping Unmatched Character

A good workaround for that one is to use Clang for the time being Just add


Into the build() section of PKGBUILD 

polybar GCC 7.1.0 Build Errors

I was able to solve this on Arch 5.2.14-arch2-1-ARCH using yay I simply ran yay -S polybar waiting for the reinstallation/compilation to finish 

polybar Cannot open shared object file libjsoncpp.so

For a quick fix it worked for me to just symlink Polybar requires jsoncpp to run Recently jsoncpp seems to have changed their versioning 

polybar Polybar Dependency

Not sure if this has been logged elsewhere I was trying to rebuild polybar with pacaur because the network module wasn't working For some reason 

polybar Building from AUR: Missing required python module: xcbgen

You can issue the command polybar-msg cmd restart which will restart all the bars So you can call the command whenver you change the .Xresources file 

polybar Reload running polybar instance in-place

So taking the ownership comments into account I managed to finally build the polybar with the following workaround:


Obviously the above workaround 

polybar Cannot finish make install (Ubuntu 18.04)

I've been able to reproduce this reliably System: Arch Linux systemd-networkd I often get the network shown as Disconnected when it's actually not 