#!/bin/rc

x=/tmp/mk$pid

fn sigexit { rm -f $x }
fn sigint { rm -f $x }

tee $x < $1 | sed -e 's/\$\(([^)]*)\)([        :\/])/$\1\2/g
       s/\$\(([^)]*)\)$/$\1/g
       s/\$\(([^)]*)\)/${\1}/g
       s/^     @/  /
       /^      -/,/[^\\]$/{
               /[^\\]\$/s/$/; set -e/
       }
       /^      -/s/    -/      set +e; /
       s/:\&/:/
       s/\$% /$stem /g
       s/\$%\./$stem\./g
       s/\$%/${stem}/g
       s/\$@([         ]|$)/$target\1/g
       s/\$@/${target}/g
       s/\$\^/${prereq}/g
       s/\$\?/$newprereq/g'

if(grep -s 'cd[         ]|make' < $x){
       {
               echo 'Warning: recipes containing cd or make need attention.'
               grep 'cd[       ]|make' < $x
       } >[1=2]
}

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