68 lines
1.6 KiB
Awk
68 lines
1.6 KiB
Awk
# Extract ordered list of version sets from Versions files.
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# Copyright (C) 2014-2017 Free Software Foundation, Inc.
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BEGIN { in_lib = ""; in_version = 0 }
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!in_lib && NF == 2 && $2 == "{" {
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in_lib = $1;
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all_libs[in_lib] = 1;
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next
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}
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!in_lib { next }
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NF == 2 && $2 == "{" {
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in_version = 1;
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lib_versions[in_lib, $1] = 1;
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# Partition the version sets into GLIBC_* and others.
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if ($1 ~ /GLIBC_/) {
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libs[in_lib] = libs[in_lib] " " $1 "\n";
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all_versions[$1] = 1;
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}
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else {
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others_libs[in_lib] = others_libs[in_lib] " " $1 "\n";
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others_all_versions[$1] = 1;
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}
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next
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}
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in_version && $1 == "}" { in_version = 0; next }
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in_version { next }
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$1 == "}" { in_lib = ""; next }
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END {
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nlibs = asorti(all_libs, libs_order);
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for (i = 1; i <= nlibs; ++i) {
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lib = libs_order[i];
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for (v in all_versions) {
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if (!((lib, v) in lib_versions)) {
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libs[lib] = libs[lib] " " v "\n";
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}
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}
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for (v in others_all_versions) {
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if (!((lib, v) in lib_versions)) {
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others_libs[lib] = others_libs[lib] " " v "\n";
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}
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}
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print lib, "{";
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# Sort and print all the GLIBC_* sets first, then all the others.
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# This is not really generically right, but it suffices
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# for the cases we have so far. e.g. GCC_3.0 is "later than"
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# all GLIBC_* sets that matter for purposes of Versions files.
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sort = "sort -u -t. -k 1,1 -k 2n,2n -k 3";
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printf "%s", libs[lib] | sort;
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close(sort);
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sort = "sort -u -t. -k 1,1 -k 2n,2n -k 3";
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printf "%s", others_libs[lib] | sort;
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close(sort);
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print "}";
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}
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}
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