How to use environment variables in bazel build

[Kaustubh Deorukhkar]

Hi,

Can some please help show a better way to export an env var and use in bazel build files? 

Here is one way I found, but I want to avoid passing an extra option to bazel command and use some env variable from shell.

bazel build //:sometarget --define MY_VAR_EXTRA_INCS=`pwd`/../../include

# Note that the above path is not within the bazel project scope, so I don't want to copy include to bazel project workspace.

cc_binary (

  name = "sometarget",

  includes = ["$(MY_VAR_EXTRA_INCS)", "third_party/xyz/include"],

 ...

)

I simply want to set env variable in shell and run bazel build //:sometarget

Thanks in advance,

Kaustubh

[Damien Martin-guillerez]

This would be not hermetic and is not allowed in Bazel. What do you want to do exactly?

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