[CMake] How to force cmake to always give color o/p

[vivek goel]

CMake currently checks if it is  writing to a TTY, and if not it  switch
off colors.
Problem is that I am piping make o/p to sed command.
One way to solve this problem is I can use unbuffer command.
Is there any other solution to always force color output ?


regards
Vivek Goel
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