Virtual-environments: Environment variable BOOST_ROOT will be deprecated in 2 month.

[AlenaSviridenko]

Hi!

Due to a lot of customers complaints to predefined environment variable $BOOST_ROOT - we decided to deprecate this variable in 2 month.

Please, swith to $BOOST_ROOT_<VERSION> variable to point to certain version. Currently available $BOOST_ROOT_1_69_0 only.

If you have any concerns or questions please let us know through this issue.

Thanks!

[github-actions[bot]]

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[e-kwsm]

On ubuntu-latest /usr/local/share/boost/1.72.0 exists but BOOST_ROOT_1_72_0 is currently unavailable.

[henryiii]

Are the "BOOST_ROOT_1_69_0" and "BOOST_ROOT_1_72_0" variables documented somewhere? I was only able to find them to get CMake to fine Boost after finding this issue.

[al-cheb]

@henryiii ,
Windows Server 2016 - https://github.com/actions/virtual-environments/blob/releases/win16/20200811/images/win/Windows2016-Readme.md#boost
Windows Server 2019 - https://github.com/actions/virtual-environments/blob/releases/win19/20200802/images/win/Windows2019-Readme.md#boost

[henryiii]

@al-cheb: Ahh, maybe it's because I looked here:
https://github.com/actions/virtual-environments/blob/main/images/linux/Ubuntu1804-README.md

[al-cheb]

@henryiii,
I see. We are planning to fully rework Ubuntu documentation to be consistence with Windows and we will include boost env variables .