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# awk script to extract a config-specific .symlist file from a merged file.
# This must be passed run with awk -v config=TUPLE to specify the configuration
# tuple we will match. The merged file contains stanzas in the form:
# GLIBC_x.y regexp...
# function F
# variable D 0x4
# Each regexp is matched against TUPLE, and only matching stanzas go
# into the output, with the regexp list removed. The result matches the
# original .symlist file from abilist.awk that was fed into merge-abilist.awk.
BEGIN {
outpipe = "";
}
/^ / { if (!ignore) print | outpipe; next; }
{
for (i = 2; i <= NF; ++i) {
regex = "^" $i "$";
if (match(config, regex) != 0) {
if ($1 != version) {
if (outpipe != "") {
close(outpipe);
}
version = $1;
print version;
outpipe = "sort";
}
ignore = 0;
next;
}
}
ignore = 1;
next;
}
END {
if (outpipe == "") {
print "No stanza matched", config > "/dev/stderr";
exit 2;
}
else
close(outpipe);
}
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