scripts/soversions.awk

   1 # awk script for shlib-versions.v.i -> soversions.i; see Makeconfig.
   2
   3 # Only lines matching `config' (set with -v) are relevant to us.
   4 config !~ $1 { next }
   5
   6 # Obey the first matching DEFAULT line.
   7 $2 == "DEFAULT" {
   8   if (!matched_default) {
   9     matched_default = 1;
  10     $1 = $2 = "";
  11     default_setname = $0;
  12   }
  13   next
  14 }
  15
  16 # Collect all lib lines before emitting anything, so DEFAULT
  17 # can be interspersed.
  18 {
  19   lib = number = $2;
  20   sub(/=.*$/, "", lib);
  21   sub(/^.*=/, "", number);
  22   if (lib in numbers) next;
  23   numbers[lib] = number;
  24   if (NF > 2) {
  25     $1 = $2 = "";
  26     versions[lib] = $0
  27   }
  28 }
  29
  30 END {
  31   for (lib in numbers) {
  32     set = (lib in versions) ? versions[lib] : default_setname;
  33     if (set)
  34       print lib, numbers[lib], set;
  35     else
  36       print lib, numbers[lib];
  37   }
  38 }