blob: 45a4d443334df45cc3d1741a5c11823d9fd1be73 (
plain)
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
|
# Generate confdefs-defs.h with definitions for {CONF}_DEF for each
# configuration variable that getconf or sysconf may use. Currently it is
# equipped only to generate such macros for specification macros and for
# SYSCONF macros in the _POSIX namespace.
BEGIN {
PROCINFO["sorted_in"] = "@val_type_asc"
prefix = ""
}
$1 ~ /^#/ || $0 ~ /^\s*$/ {
next
}
# Begin a new prefix.
$2 == "{" {
split ($1, arr, ":")
type = arr[1]
prefix = arr[2]
next
}
$1 == "}" {
prefix = ""
type = ""
next
}
{
if (prefix == "" && type == "" && sc_prefix == "") {
print "Syntax error" > "/dev/stderr"
exit 1
}
# The prefix and variable names are indices and the value indicates what type
# of variable it is. The possible options are:
# CONFSTR: A configuration string
# SYSCONF: A numeric value
# SPEC: A specification
conf[prefix][$1] = type
}
ENDFILE {
print "/* Autogenerated by gen-conf.awk. */\n"
# Generate macros that specify if a sysconf macro is defined and/or set.
for (p in conf) {
for (c in conf[p]) {
printf "#ifndef _%s_%s\n", p, c
printf "# define _%s_%s_DEF CONF_DEF_UNDEFINED\n", p, c
# CONFSTR have string values and they are not set or unset.
if (conf[p][c] != "CONFSTR") {
printf "#else\n"
printf "# if _%s_%s > 0\n", p, c
printf "# define _%s_%s_DEF CONF_DEF_DEFINED_SET\n", p, c
printf "# else\n"
printf "# define _%s_%s_DEF CONF_DEF_DEFINED_UNSET\n", p, c
printf "# endif\n"
}
printf "#endif\n\n"
}
}
}
|
