debian/scripts/misc/tristate.sh

   1 #!/bin/bash
   2
   3 #
   4 # Find config variables that might be able to transition from =y to =m
   5 #
   6 # Example: debian/scripts/misc/tristate.sh debian.master/config/config.common.ubuntu
   7 #
   8
   9 KC=Kconfig.tmp
  10 rm -f ${KC}
  11 find .|grep Kconfig | while read f
  12 do
  13         cat $f >> ${KC}
  14 done
  15
  16 grep =y $1 | sed -e 's/CONFIG_//' -e 's/=y//' | while read c
  17 do
  18         cat <<EOF > tristate.awk
  19 BEGIN { tristate=0; }
  20 /^config ${c}\$/ { tristate=1; next; }
  21 /tristate/ { if (tristate == 1) printf("CONFIG_%s=m\n","${c}"); next; }
  22 { if (tristate == 1) exit; }
  23 EOF
  24
  25         gawk -f tristate.awk ${KC}
  26 done