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c2a684a419
* scripts/abi-versions.awk: If the version specified by --enable-oldest-abi is older than the first version for this architecture, use the default version.
56 lines
1.3 KiB
Awk
56 lines
1.3 KiB
Awk
# Script to generate <abi-versions.h> header file from Versions.all list.
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# See include/shlib-compat.h comments for explanation.
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# This script expects the following variables to be defined:
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# oldest_abi the oldest ABI supported
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BEGIN {
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print "/* This file is automatically generated by abi-versions.awk.";
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print " It defines symbols used by shlib-compat.h, which see. */";
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print "\n#ifndef _ABI_VERSIONS_H\n#define _ABI_VERSIONS_H";
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}
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NF == 2 && $2 == "{" {
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thislib = $1;
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gsub(/[^A-Za-z0-9_ ]/, "_"); libid = $1;
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printf "\n/* start %s */\n", thislib;
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n = 0;
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start = 0;
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next;
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}
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$1 == "}" {
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printf "/* end %s */\n", thislib;
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next;
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}
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$2 == "=" {
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old = $1; new = $3;
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gsub(/[^A-Za-z0-9_ ]/, "_");
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oldid = $1; newid = $3;
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printf "#define ABI_%s_%s\tABI_%s_%s\n", libid, oldid, libid, newid;
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printf "#define VERSION_%s_%s\t%s\n", libid, oldid, new;
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if ("GLIBC_" oldest_abi == old)
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oldest_abi = "default";
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next;
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}
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{
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vers = $1;
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gsub(/[^A-Za-z0-9_ ]/, "_");
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versid = $1;
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printf "#define ABI_%s_%s\t%d\t/* support %s */\n", libid, versid, ++n, vers;
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printf "#define VERSION_%s_%s\t%s\n", libid, versid, vers;
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if ("GLIBC_" oldest_abi == vers)
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start = 1;
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if (start == 0 && oldest_abi != "default")
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--n;
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next;
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}
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END {
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print "\n#endif /* abi-versions.h */";
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}
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