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77 lines
2.7 KiB
Awk
77 lines
2.7 KiB
Awk
# This is a GAWK script to generate the sysd-rules file.
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# It does not read any input, but it requires that several variables
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# be set on its command line (using -v) to their makefile counterparts:
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# all_object_suffixes $(all-object-suffixes)
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# inhibit_sysdep_asm $(inhibit-sysdep-asm)
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# config_sysdirs $(config_sysdirs)
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# sysd_rules_patterns $(sysd-rules-patterns)
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BEGIN {
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print "sysd-rules-sysdirs :=", config_sysdirs;
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nsuffixes = split(all_object_suffixes, suffixes);
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ninhibit_asm = split(inhibit_sysdep_asm, inhibit_asm);
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nsysdirs = split(config_sysdirs, sysdirs);
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npatterns = split(sysd_rules_patterns, patterns);
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# Each element of $(sysd-rules-patterns) is a pair TARGET:DEP.
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# They are no in particular order. We need to sort them so that
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# the longest TARGET is first, and, among elements with the same
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# TARGET, the longest DEP is first.
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for (i = 1; i <= npatterns; ++i) {
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if (split(patterns[i], td, ":") != 2) {
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msg = "bad sysd-rules-patterns element '" patterns[i] "'";
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print msg > "/dev/stderr";
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exit 2;
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}
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target_order = sprintf("%09d", npatterns + 1 - length(td[1]));
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dep_order = sprintf("%09d", npatterns - length(td[2]));
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sort_patterns[target_order SUBSEP dep_order] = patterns[i];
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}
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asorti(sort_patterns, map_patterns);
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for (i in map_patterns) {
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patterns[i] = sort_patterns[map_patterns[i]];
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}
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for (sysdir_idx = 1; sysdir_idx <= nsysdirs; ++sysdir_idx) {
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dir = sysdirs[sysdir_idx];
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if (dir !~ /^\//) dir = "$(..)" dir;
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asm_rules = 1;
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for (i = 1; i <= ninhibit_asm; ++i) {
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if (dir ~ ("^.*sysdeps/" inhibit_asm[i] "$")) {
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asm_rules = 0;
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break;
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}
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}
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for (suffix_idx = 1; suffix_idx <= nsuffixes; ++suffix_idx) {
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o = suffixes[suffix_idx];
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for (pattern_idx = 1; pattern_idx <= npatterns; ++pattern_idx) {
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pattern = patterns[pattern_idx];
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split(pattern, td, ":");
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target_pattern = td[1];
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dep_pattern = td[2];
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if (target_pattern == "%") {
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command_suffix = "";
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} else {
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prefix = gensub(/%/, "", "", target_pattern);
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command_suffix = " $(" prefix "CPPFLAGS)";
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}
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target = "$(objpfx)" target_pattern o ":";
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if (asm_rules) {
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dep = dir "/" dep_pattern ".S";
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print target, dep, "$(before-compile)";
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print "\t$(compile-command.S)" command_suffix;
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}
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dep = dir "/" dep_pattern ".c";
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print target, dep, "$(before-compile)";
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print "\t$(compile-command.c)" command_suffix;
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}
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}
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print "$(inst_includedir)/%.h:", dir "/%.h", "$(+force)";
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print "\t$(do-install)";
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}
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print "sysd-rules-done := t";
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exit 0;
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}
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