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-rwxr-xr-xscripts/gen-sorted.awk52
1 files changed, 52 insertions, 0 deletions
diff --git a/scripts/gen-sorted.awk b/scripts/gen-sorted.awk
new file mode 100755
index 0000000000..a943df6d2f
--- /dev/null
+++ b/scripts/gen-sorted.awk
@@ -0,0 +1,52 @@
+#! /usr/bin/awk -f
+# Generate sorted list of directories.  The sorting is stable but with
+# dependencies between directories resolved by moving dependees in front.
+# (C) Copyright 1998 Free Software Foundation, Inc.
+# Written by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+BEGIN {
+  cnt = 0
+  dnt = 0
+}
+{
+  if ($1 ~ /depend/) {
+    from[dnt] = $2
+    to[dnt] = $3
+    ++dnt
+  } else {
+    all[cnt++] = $1
+  }
+}
+END {
+  do {
+    moved = 0
+    for (i = 0; i < dnt; ++i) {
+      for (j = 0; j < cnt; ++j) {
+	if (all[j] == from[i]) {
+	  for (k = j + 1; k < cnt; ++k) {
+	    if (all[k] == to[i]) {
+	      break;
+	    }
+	  }
+	  if (k < cnt) {
+	    for (l = k - 1; l >= j; --l) {
+	      all[l + 1] = all[l]
+	    }
+	    all[j] = to[i]
+	    break;
+	  }
+	}
+      }
+      if (j < cnt) {
+	moved = 1
+	break
+      }
+    }
+  } while (moved)
+
+  printf "sorted-subdirs = "
+  for (i = 0; i < cnt; ++i) {
+    printf "%s ", all[i];
+  }
+  printf "\n"
+}