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Each 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. * scripts/firstversions.awk: Handle libraries that don't have each particular version named in the third column of shlib-versions.
47 lines
1.1 KiB
Awk
47 lines
1.1 KiB
Awk
# Script to preprocess Versions.all lists based on "earliest version"
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# specifications in the shlib-versions file.
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NF > 2 && $2 == ":" {
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for (i = 0; i <= NF - 3; ++i)
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firstversion[$1, i] = $(3 + i);
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idx[$1] = 0;
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next;
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}
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NF == 2 && $2 == "{" { thislib = $1; print; next }
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$1 == "}" {
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if ((thislib, idx[thislib]) in firstversion) {
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# We haven't seen the stated version, but have produced
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# others pointing to it, so we synthesize it now.
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printf " %s\n", firstversion[thislib, idx[thislib]];
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idx[thislib]++;
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}
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print;
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next;
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}
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/GLIBC_PRIVATE/ { print; next }
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{
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if ((thislib, idx[thislib]) in firstversion) {
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# XXX relative string comparison loses if we ever have multiple digits
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# between dots in GLIBC_x.y[.z] names.
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v = firstversion[thislib, idx[thislib]];
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while ($1 >= v) {
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firstversion[thislib, idx[thislib]] = 0;
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idx[thislib]++;
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if ((thislib, idx[thislib]) in firstversion)
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v = firstversion[thislib, idx[thislib]];
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else
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break;
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}
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if ($1 >= v)
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print;
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else
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print $1, "=", v;
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}
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else
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print;
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}
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