69 lines
1.6 KiB
Awk
69 lines
1.6 KiB
Awk
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# awk script for soversions.i -> gnu/lib-names.h; see Makeconfig.
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$1 != "DEFAULT" { multi = 1 }
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#
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{
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lib = $2;
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version = $3;
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if ($3 ~ /[^0-9]/) {
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soname = $3;
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extra = $3;
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sub(/\.so.*$/, "", extra);
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}
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else {
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soname = lib ".so." $3;
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extra = "";
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}
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soname = "\"" soname "\"";
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lib = toupper(lib);
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extra = toupper(extra);
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gsub(/-/, "_", lib);
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gsub(/-/, "_", extra);
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macros[$1 FS lib "_SO"] = soname;
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if (extra)
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macros[$1 FS extra "_SO"] = soname;
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}
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END {
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print "/* This file is automatically generated.";
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print " It defines macros to allow user program to find the shared";
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print " library files which come as part of GNU libc. */";
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print "#ifndef __GNU_LIB_NAMES_H";
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print "#define __GNU_LIB_NAMES_H 1";
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print "";
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pfx = multi ? "# define " : "#define ";
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for (elt in macros) {
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split(elt, x);
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line = sprintf("%-40s%s", pfx x[2], macros[elt]);
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if (x[1] in lines)
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lines[x[1]] = lines[x[1]] "\n" line;
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else
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lines[x[1]] = line;
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}
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default_lines = lines["DEFAULT"];
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delete lines["DEFAULT"];
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if (multi) {
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print "#include <bits/wordsize.h>\n";
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pfx = "#if";
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for (kind in lines) {
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l = lines[kind];
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sub(/WORDSIZE/, "", kind);
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print pfx, "__WORDSIZE", "==", kind;
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cmd = "LC_ALL=C sort"; print l | cmd; close(cmd);
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pfx = "#elif";
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}
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print "#else";
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cmd = "LC_ALL=C sort"; print default_lines | cmd; close(cmd);
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print "#endif";
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}
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else {
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cmd = "LC_ALL=C sort"; print default_lines | cmd; close(cmd);
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}
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print "";
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print "#endif /* gnu/lib-names.h */"
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}
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