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-rwxr-xr-xscripts/gen-sorted.awk113
1 files changed, 100 insertions, 13 deletions
diff --git a/scripts/gen-sorted.awk b/scripts/gen-sorted.awk
index a943df6d2f..0092fe61d1 100755
--- a/scripts/gen-sorted.awk
+++ b/scripts/gen-sorted.awk
@@ -5,23 +5,101 @@
# Written by Ulrich Drepper <drepper@cygnus.com>, 1998.
BEGIN {
- cnt = 0
+ cnt = split(subdirs, all) + 1
dnt = 0
}
+
+# Let input files have comments.
+{ sub(/[ ]*#.*$/, "") }
+NF == 0 { next }
+
{
- if ($1 ~ /depend/) {
- from[dnt] = $2
- to[dnt] = $3
- ++dnt
- } else {
- all[cnt++] = $1
+ subdir = type = FILENAME;
+ sub(/^.*\//, "", type);
+ sub(/\/[^/]+$/, "", subdir);
+ sub(/^.*\//, "", subdir);
+ thisdir = "";
+}
+
+type == "Depend" && NF == 1 {
+ from[dnt] = subdir;
+ to[dnt] = $1;
+ ++dnt;
+ next
+}
+
+type == "Subdirs" && NF == 1 { thisdir = $1 }
+
+type == "Subdirs" && NF == 2 && $1 == "first" {
+ thisdir = $2;
+ # Make the first dir in the list depend on this one.
+ from[dnt] = all[1];
+ to[dnt] = thisdir;
+ ++dnt;
+}
+
+type == "Subdirs" && NF == 2 && $1 == "inhibit" {
+ inhibit[$2] = subdir;
+ next
+}
+
+type == "Subdirs" && thisdir {
+ all[cnt++] = thisdir;
+
+ if (FILENAME ~ (srcpfx ? /^\.\.\/sysdeps\// : /^sysdeps\//) \
+ || system("test -d " srcpfx thisdir) == 0) {
+ # This Subdirs file is in the main source tree,
+ # or this subdirectory exists in the main source tree.
+ this_srcdir = srcpfx thisdir
+ }
+ else {
+ # The Subdirs file comes from an add-on that should have the subdirectory.
+ dir = FILENAME;
+ do
+ sub(/\/[^/]+$/, "", dir);
+ while (dir !~ /\/sysdeps$/);
+ sub(/\/sysdeps$/, "", dir);
+ if (system("test -d " dir "/" thisdir) == 0)
+ dir = dir "/" thisdir;
+ else {
+ sub(/\/[^/]+$/, "", dir);
+ if (system("test -d " dir "/" thisdir) == 0)
+ dir = dir "/" thisdir;
+ else {
+ print FILENAME ":" FNR ":", "cannot find", thisdir > "/dev/stderr";
+ exit 2
+ }
+ }
+ file = dir "/Depend";
+ if (srcpfx)
+ sub(/^\.\.\//, "", dir);
+ if (dir !~ /^\/.*$/)
+ dir = "$(..)" dir;
+ print thisdir "-srcdir", ":=", dir;
+ }
+ file = this_srcdir "/Depend";
+ if (system("test -f " file) == 0) {
+ ARGV[ARGC++] = file;
+ # Emit a dependency on the implicitly-read file.
+ if (srcpfx)
+ sub(/^\.\.\//, "", file);
+ if (file !~ /^\/.*$/)
+ file = "$(..)" file;
+ print "$(common-objpfx)sysd-sorted:", "$(wildcard", file ")";
}
+ next
}
+
+{
+ print FILENAME ":" FNR ":", "what type of file is this?" > "/dev/stderr";
+ exit 2
+}
+
END {
do {
moved = 0
for (i = 0; i < dnt; ++i) {
- for (j = 0; j < cnt; ++j) {
+ for (j = 1; j < cnt; ++j) {
if (all[j] == from[i]) {
for (k = j + 1; k < cnt; ++k) {
if (all[k] == to[i]) {
@@ -42,11 +120,20 @@ END {
break
}
}
- } while (moved)
+ } while (moved);
- printf "sorted-subdirs = "
- for (i = 0; i < cnt; ++i) {
- printf "%s ", all[i];
+ # Make sure we list "elf" last.
+ saw_elf = 0;
+ printf "sorted-subdirs :=";
+ for (i = 1; i < cnt; ++i) {
+ if (all[i] in inhibit)
+ continue;
+ if (all[i] == "elf")
+ saw_elf = 1;
+ else
+ printf " %s", all[i];
}
- printf "\n"
+ printf "%s\n", saw_elf ? " elf" : "";
+
+ print "sysd-sorted-done := t"
}