1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
#!/usr/bin/awk -f
# Generate sorted list of directories. The sorting is stable but with
# dependencies between directories resolved by moving dependees in front.
# Copyright (C) 1998-2022 Free Software Foundation, Inc.
BEGIN {
cnt = split(subdirs, all) + 1
dnt = 0
}
# Let input files have comments.
{ sub(/[ ]*#.*$/, "") }
NF == 0 { next }
{
subdir = type = FILENAME;
sub(/^.*\//, "", type);
sub(/\/[^/]+$/, "", 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[$2] = subdir;
next
}
type == "Subdirs" && thisdir {
all[cnt++] = thisdir;
this_srcdir = srcpfx thisdir
if (system("test -d " this_srcdir) != 0) {
print FILENAME ":" FNR ":", "cannot find", this_srcdir > "/dev/stderr";
exit 2
}
file = this_srcdir "/Depend";
if (system("test -f " file) == 0) {
ARGV[ARGC++] = file;
# Emit a dependency on the implicitly-read file.
if (srcpfx)
sub(/^\.\.\//, "", file);
if (file !~ /^\/.*$/)
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 = 1; 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);
# 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 "%s\n", saw_elf ? " elf" : "";
print "sysd-sorted-done := t"
}
|
