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6fa165975f
* scripts/soversions.awk: Grok ABI line. * Makeconfig ($(common-objpfx)soversions.mk): Likewise. Emit definition for abi-name variable.
86 lines
1.7 KiB
Awk
86 lines
1.7 KiB
Awk
# awk script for shlib-versions.v -> soversions.i; see Makeconfig.
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BEGIN {
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config = cpu "-" vendor "-" os;
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configs[config] = "DEFAULT";
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}
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{ thiscf = $1 }
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$2 ~ /WORDSIZE[3264]/ {
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if ((config ~ thiscf) && !othercf) {
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othercf = $3;
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sub(/@CPU@/, cpu, othercf);
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sub(/@VENDOR@/, vendor, othercf);
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sub(/@OS@/, os, othercf);
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configs[othercf] = $2;
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}
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next;
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}
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$2 == "ABI" {
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if ((config ~ thiscf) && !abiname) {
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abiname = $3;
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sub(/@CPU@/, cpu, abiname);
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sub(/@VENDOR@/, vendor, abiname);
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sub(/@OS@/, os, abiname);
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}
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next;
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}
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# Obey the first matching DEFAULT line.
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$2 == "DEFAULT" {
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$1 = $2 = "";
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default_set[++ndefault_set] = thiscf "\n" $0;
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next
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}
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# Collect all lib lines before emitting anything, so DEFAULT
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# can be interspersed.
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{
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lib = number = $2;
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sub(/=.*$/, "", lib);
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sub(/^.*=/, "", number);
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if ((thiscf FS lib) in numbers) next;
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numbers[thiscf FS lib] = number;
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order[thiscf FS lib] = ++order_n;
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if (NF > 2) {
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$1 = $2 = "";
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versions[thiscf FS lib] = $0
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}
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}
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END {
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for (elt in numbers) {
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split(elt, x);
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cf = x[1];
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lib = x[2];
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for (c in configs)
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if (c ~ cf) {
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if (elt in versions)
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set = versions[elt];
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else {
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set = (c == config) ? default_setname : "";
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for (i = 1; i <= ndefault_set; ++i) {
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split(default_set[i], x, "\n");
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if (c ~ x[1]) {
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set = x[2];
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break;
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}
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}
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}
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line = set ? (lib FS numbers[elt] FS set) : (lib FS numbers[elt]);
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if (!((c FS lib) in lineorder) || order[elt] < lineorder[c FS lib]) {
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lineorder[c FS lib] = order[elt];
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lines[c FS lib] = configs[c] FS line;
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}
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}
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}
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if (abiname) {
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print "ABI", abiname
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}
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for (c in lines) {
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print lines[c]
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}
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}
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