1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
# Combine version map fragments into version scripts for our shared objects.
# Copyright (C) 1998,99,2000,2002,2005 Free Software Foundation, Inc.
# Written by Ulrich Drepper <drepper@cygnus.com>, 1998.
# This script expects the following variables to be defined:
# defsfile name of Versions.def file
# buildroot name of build directory with trailing slash
# move_if_change move-if-change command
# Read definitions for the versions.
BEGIN {
lossage = 0;
nlibs=0;
while (getline < defsfile) {
if (/^[a-zA-Z0-9_.]+ \{/) {
libs[$1] = 1;
curlib = $1;
while (getline < defsfile && ! /^}/) {
if ($2 == "=") {
renamed[curlib "::" $1] = $3;
}
else
versions[curlib "::" $1] = 1;
}
}
}
close(defsfile);
tmpfile = buildroot "Versions.tmp";
# Note this sorting presumes only single digits between dots for proper
# numeric ordering. sort -n doesn't do quite the right thing either,
# and in some non-GNU sort implementations does not sort at all.
sort = "sort > " tmpfile;
}
# Remove comment lines.
/^ *#/ {
next;
}
# This matches the beginning of the version information for a new library.
/^[a-zA-Z0-9_.]+/ {
actlib = $1;
if (!libs[$1]) {
printf("no versions defined for %s\n", $1) > "/dev/stderr";
++lossage;
}
next;
}
# This matches the beginning of a new version for the current library.
/^ [A-Za-z_]/ {
if (renamed[actlib "::" $1])
actver = renamed[actlib "::" $1];
else if (!versions[actlib "::" $1]) {
printf("version %s not defined for %s\n", $1, actlib) > "/dev/stderr";
++lossage;
}
else
actver = $1;
next;
}
# This matches lines with names to be added to the current version in the
# current library. This is the only place where we print something to
# the intermediate file.
/^ / {
sortver=actver
# Ensure GLIBC_ versions come always first
sub(/^GLIBC_/," GLIBC_",sortver)
printf("%s %s %s\n", actlib, sortver, $0) | sort;
}
function closeversion(name, oldname) {
if (firstinfile) {
printf(" local:\n *;\n") > outfile;
firstinfile = 0;
}
# This version inherits from the last one only if they
# have the same nonnumeric prefix, i.e. GLIBC_x.y and GLIBC_x.z
# or FOO_x and FOO_y but not GLIBC_x and FOO_y.
pfx = oldname;
sub(/[0-9.]+/,".+",pfx);
if (oldname == "" || name !~ pfx) print "};" > outfile;
else printf("} %s;\n", oldname) > outfile;
}
function close_and_move(name, real_name) {
close(name);
system(move_if_change " " name " " real_name " >&2");
}
# Now print the accumulated information.
END {
close(sort);
if (lossage) {
system("rm -f " tmpfile);
exit 1;
}
oldlib = "";
oldver = "";
printf("version-maps =");
while (getline < tmpfile) {
if ($1 != oldlib) {
if (oldlib != "") {
closeversion(oldver, veryoldver);
oldver = "";
close_and_move(outfile, real_outfile);
}
oldlib = $1;
real_outfile = buildroot oldlib ".map";
outfile = real_outfile "T";
firstinfile = 1;
veryoldver = "";
printf(" %s.map", oldlib);
}
if ($2 != oldver) {
if (oldver != "") {
closeversion(oldver, veryoldver);
veryoldver = oldver;
}
printf("%s {\n global:\n", $2) > outfile;
oldver = $2;
}
printf(" ") > outfile;
for (n = 3; n <= NF; ++n) {
printf(" %s", $n) > outfile;
}
printf("\n") > outfile;
}
printf("\n");
closeversion(oldver, veryoldver);
close_and_move(outfile, real_outfile);
system("rm -f " tmpfile);
}
|
