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d3564d01 RM |
1 | # Combine version map fragments into version scripts for our shared objects. |
2 | # Copyright (C) 1998,99,2000 Free Software Foundation, Inc. | |
b0b67c47 UD |
3 | # Written by Ulrich Drepper <drepper@cygnus.com>, 1998. |
4 | ||
4bae5567 UD |
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 | |
9 | ||
b0b67c47 UD |
10 | # Read definitions for the versions. |
11 | BEGIN { | |
12 | nlibs=0; | |
8eaaffde | 13 | while (getline < defsfile) { |
8d8c6efa | 14 | if (/^[a-zA-Z0-9_.]+ \{/) { |
b0b67c47 UD |
15 | libs[$1] = 1; |
16 | curlib = $1; | |
8eaaffde | 17 | while (getline < defsfile && ! /^}/) { |
d3564d01 RM |
18 | if ($2 == "=") { |
19 | renamed[curlib "::" $1] = $3; | |
20 | } | |
361742ed RM |
21 | else |
22 | versions[$1] = 1; | |
b0b67c47 UD |
23 | } |
24 | } | |
25 | } | |
8eaaffde | 26 | close(defsfile); |
b0b67c47 | 27 | |
4bae5567 UD |
28 | tmpfile = buildroot "Versions.tmp"; |
29 | sort = "sort -n > " tmpfile; | |
b0b67c47 UD |
30 | } |
31 | ||
32 | # Remove comment lines. | |
33 | /^ *#/ { | |
34 | next; | |
35 | } | |
36 | ||
37 | # This matches the beginning of the version information for a new library. | |
8d8c6efa | 38 | /^[a-zA-Z0-9_.]+/ { |
b0b67c47 | 39 | actlib = $1; |
8eaaffde UD |
40 | if (!libs[$1]) { |
41 | printf("no versions defined for %s\n", $1) > "/dev/stderr"; | |
b0b67c47 UD |
42 | exit 1; |
43 | } | |
44 | next; | |
45 | } | |
46 | ||
47 | # This matches the beginning of a new version for the current library. | |
48 | /^ [A-Za-z_]/ { | |
d3564d01 RM |
49 | if (renamed[actlib "::" $1]) |
50 | actver = renamed[actlib "::" $1]; | |
361742ed | 51 | else if (!versions[$1]) { |
8eaaffde | 52 | printf("version %s not defined\n", $1) > "/dev/stderr"; |
b0b67c47 UD |
53 | exit 1; |
54 | } | |
361742ed RM |
55 | else |
56 | actver = $1; | |
b0b67c47 UD |
57 | next; |
58 | } | |
59 | ||
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. | |
63 | /^ / { | |
1e06620a UD |
64 | sortver=actver |
65 | # Ensure GLIBC_ versions come always first | |
66 | sub(/^GLIBC_/," GLIBC_",sortver) | |
67 | printf("%s %s %s\n", actlib, sortver, $0) | sort; | |
b0b67c47 UD |
68 | } |
69 | ||
70 | ||
da6d7d38 | 71 | function closeversion(name, oldname) { |
b0b67c47 UD |
72 | if (firstinfile) { |
73 | printf(" local:\n *;\n") > outfile; | |
74 | firstinfile = 0; | |
75 | } | |
da6d7d38 | 76 | printf("}%s;\n", oldname) > outfile; |
b0b67c47 UD |
77 | } |
78 | ||
4bae5567 UD |
79 | function close_and_move(name, real_name) { |
80 | close(name); | |
81 | system(move_if_change " " name " " real_name " >&2"); | |
82 | } | |
83 | ||
b0b67c47 UD |
84 | # Now print the accumulated information. |
85 | END { | |
86 | close(sort); | |
4bae5567 UD |
87 | oldlib = ""; |
88 | oldver = ""; | |
89 | printf("version-maps ="); | |
b0b67c47 UD |
90 | while(getline < tmpfile) { |
91 | if ($1 != oldlib) { | |
92 | if (oldlib != "") { | |
da6d7d38 | 93 | closeversion(oldver, veryoldver); |
b0b67c47 | 94 | oldver = ""; |
4bae5567 | 95 | close_and_move(outfile, real_outfile); |
b0b67c47 UD |
96 | } |
97 | oldlib = $1; | |
4bae5567 UD |
98 | real_outfile = buildroot oldlib ".map"; |
99 | outfile = real_outfile "T"; | |
b0b67c47 | 100 | firstinfile = 1; |
da6d7d38 | 101 | veryoldver = ""; |
4bae5567 | 102 | printf(" %s.map", oldlib); |
b0b67c47 UD |
103 | } |
104 | if ($2 != oldver) { | |
105 | if (oldver != "") { | |
da6d7d38 UD |
106 | closeversion(oldver, veryoldver); |
107 | veryoldver = oldver; | |
b0b67c47 UD |
108 | } |
109 | printf("%s {\n global:\n", $2) > outfile; | |
110 | oldver = $2; | |
111 | } | |
112 | printf(" ") > outfile; | |
113 | for (n = 3; n <= NF; ++n) { | |
114 | printf(" %s", $n) > outfile; | |
115 | } | |
116 | printf("\n") > outfile; | |
117 | } | |
8eaaffde | 118 | printf("\n"); |
da6d7d38 | 119 | closeversion(oldver, veryoldver); |
4bae5567 UD |
120 | close_and_move(outfile, real_outfile); |
121 | system("rm -f " tmpfile); | |
b0b67c47 | 122 | } |