sys/src/cmd/mk/mkconv

   1 #!/bin/rc
   2
   3 x=/tmp/mk$pid
   4
   5 fn sigexit { rm -f $x }
   6 fn sigint { rm -f $x }
   7
   8 tee $x < $1 | sed -e 's/\$\(([^)]*)\)([        :\/])/$\1\2/g
   9         s/\$\(([^)]*)\)$/$\1/g
  10         s/\$\(([^)]*)\)/${\1}/g
  11         s/^     @/  /
  12         /^      -/,/[^\\]$/{
  13                 /[^\\]\$/s/$/; set -e/
  14         }
  15         /^      -/s/    -/      set +e; /
  16         s/:\&/:/
  17         s/\$% /$stem /g
  18         s/\$%\./$stem\./g
  19         s/\$%/${stem}/g
  20         s/\$@([         ]|$)/$target\1/g
  21         s/\$@/${target}/g
  22         s/\$\^/${prereq}/g
  23         s/\$\?/$newprereq/g'
  24
  25 if(grep -s 'cd[         ]|make' < $x){
  26         {
  27                 echo 'Warning: recipes containing cd or make need attention.'
  28                 grep 'cd[       ]|make' < $x
  29         } >[1=2]
  30 }