1 # Combine version map fragments into version scripts for our shared objects.
2 # Copyright (C) 1998,99,2000,02 Free Software Foundation, Inc.
3 # Written by Ulrich Drepper <drepper@cygnus.com>, 1998.
5 # This script expects the following variables to be defined:
6 # defsfile name of Versions.def file
7 # buildroot name of build directory with trailing slash
8 # move_if_change move-if-change command
10 # Read definitions for the versions.
13 while (getline < defsfile) {
14 if (/^[a-zA-Z0-9_.]+ \{/) {
17 while (getline < defsfile && ! /^}/) {
19 renamed[curlib "::" $1] = $3;
28 tmpfile = buildroot "Versions.tmp";
29 sort = "sort -n > " tmpfile;
32 # Remove comment lines.
37 # This matches the beginning of the version information for a new library.
41 printf("no versions defined for %s\n", $1) > "/dev/stderr";
47 # This matches the beginning of a new version for the current library.
49 if (renamed[actlib "::" $1])
50 actver = renamed[actlib "::" $1];
51 else if (!versions[$1]) {
52 printf("version %s not defined for %s\n", $1, actlib) > "/dev/stderr";
60 # This matches lines with names to be added to the current version in the
61 # current library. This is the only place where we print something to
62 # the intermediate file.
65 # Ensure GLIBC_ versions come always first
66 sub(/^GLIBC_/," GLIBC_",sortver)
67 printf("%s %s %s\n", actlib, sortver, $0) | sort;
71 function closeversion(name, oldname) {
73 printf(" local:\n *;\n") > outfile;
76 # This version inherits from the last one only if they
77 # have the same nonnumeric prefix, i.e. GLIBC_x.y and GLIBC_x.z
78 # or FOO_x and FOO_y but not GLIBC_x and FOO_y.
80 sub(/[0-9.]+/,".+",pfx);
81 if (oldname == "" || name !~ pfx) print "};" > outfile;
82 else printf("} %s;\n", oldname) > outfile;
85 function close_and_move(name, real_name) {
87 system(move_if_change " " name " " real_name " >&2");
90 # Now print the accumulated information.
95 printf("version-maps =");
96 while (getline < tmpfile) {
99 closeversion(oldver, veryoldver);
101 close_and_move(outfile, real_outfile);
104 real_outfile = buildroot oldlib ".map";
105 outfile = real_outfile "T";
108 printf(" %s.map", oldlib);
112 closeversion(oldver, veryoldver);
115 printf("%s {\n global:\n", $2) > outfile;
118 printf(" ") > outfile;
119 for (n = 3; n <= NF; ++n) {
120 printf(" %s", $n) > outfile;
122 printf("\n") > outfile;
125 closeversion(oldver, veryoldver);
126 close_and_move(outfile, real_outfile);
127 system("rm -f " tmpfile);