in reply to One of those odd compiler messages...

There used to be a time, decades ago, when, if you issued the following command at the shell prompt:
make love
the make utility would reply:
Sorry. Do not know how to make love

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Re^2: One of those odd compiler messages...
by eyepopslikeamosquito (Chancellor) on Aug 30, 2018 at 22:09 UTC

    I used a version that replied to make love with:

    not war?

      Still easily achievable by creating a Makefile consisting of
      love: @echo not war\?

      ($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,