# Script to generate <abi-versions.h> header file from Versions.all list.

# See include/shlib-compat.h comments for explanation.

BEGIN {

  print "/* This file is automatically generated by abi-versions.awk.";

  print "   It defines symbols used by shlib-compat.h, which see.  */";

  print "\n#ifndef _ABI_VERSIONS_H\n#define _ABI_VERSIONS_H";

}

NF == 2 && $2 == "{" {

  thislib = $1;

  gsub(/[^A-Za-z0-9_ 	]/, "_"); libid = $1;

  printf "\n/* start %s */\n", thislib;

  n = 0;

  start = 0;

  next;

}

$1 == "}" {

  printf "/* end %s */\n", thislib;

  next;

}

$2 == "=" {

  old = $1; new = $3;

  gsub(/[^A-Za-z0-9_ 	]/, "_");

  oldid = $1; newid = $3;

  printf "#define ABI_%s_%s\tABI_%s_%s\n", libid, oldid, libid, newid;

  printf "#define VERSION_%s_%s\t%s\n", libid, oldid, new;

  next;

}

{

  vers = $1;

  gsub(/[^A-Za-z0-9_ 	]/, "_");

  versid = $1;

  printf "#define ABI_%s_%s\t%d\t/* support %s */\n", libid, versid, ++n, vers;

  printf "#define VERSION_%s_%s\t%s\n", libid, versid, vers;

  next;

}

END {

  print "\n#endif /* abi-versions.h */";

}