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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#!/usr/bin/perl
# Simple pkg-config implementation in perl
# jelmer@samba.org, November 2006
use strict;
use Getopt::Long;
my @dirs = split(/:/, $ENV{PKG_CONFIG_PATH});
my $opt_help = 0;
my $opt_libs = 0;
my $opt_cflags = 0;
my $opt_static = 0;
my $result = GetOptions (
'help|h|?' => \$opt_help,
'static' => \$opt_static,
'libs' => \$opt_libs,
'cflags' => \$opt_cflags
);
if (not $result) {
exit(1);
}
if ($opt_help) {
print "pkg-config replacement in perl\n";
print "Copyright (C) 2006 Jelmer Vernooij <jelmer\@samba.org>\n";
print "\n";
print " --help Print this help message\n";
print " --static Print flags for static libraries\n";
print " --libs Print linker flags\n";
print " --cflags Print C compiler flags\n";
print "\n";
exit(0);
}
sub find_path($)
{
my $name = shift;
foreach my $dir (@dirs) {
if (-f "$dir/$name-uninstalled.pc") {
return "$dir/$name-uninstalled.pc";
}
}
foreach my $dir (@dirs) {
if (-f "$dir/$name.pc" ) {
return "$dir/$name.pc";
}
}
die("No such package `$name'");
}
sub ReplaceVars($$)
{
my ($expr, $vars) = @_;
$_ = $expr;
while (/(.*)\${([^}]+)}(.*)/) {
$_ = "$1$vars->{$2}$3";
}
return $_;
}
sub Parse($)
{
my $name = shift;
my $path = find_path($name);
my %variables = ();
my %fields = ();
my $lineno = 0;
open(IN, "<$path") or die("Unable to open $path: $!");
foreach (<IN>) {
$lineno+=1;
next if (/^#.*/);
if (/^([A-Za-z.]+): (.*)$/) {
$fields{$1} = ReplaceVars($2, \%variables);
} elsif (/^([A-Za-z_]+)=(.*)$/) {
$variables{$1} = ReplaceVars($2, \%variables);
} elsif (/^[ \t]*$/) {
} else {
warn("$path:$lineno: parse error");
}
}
close(IN);
return \%fields;
}
sub Cflags($)
{
my $name = shift;
my $fields = Parse($name);
my @cflags = split(/ /, $fields->{Cflags});
foreach (split(/[, ]/, $fields->{Requires})) {
push (@cflags, Cflags($_));
}
return @cflags;
}
sub Libs($)
{
my $name = shift;
my $fields = Parse($name);
my @libs = split(/ /, $fields->{Libs});
foreach (split(/[, ]/, $fields->{Requires})) {
push (@libs, Libs($_));
}
if ($opt_static) {
foreach (split(/[ ,]/, $fields->{"Requires.private"})) {
push (@libs, Libs($_));
}
}
return @libs;
}
my @out = ();
foreach my $pkg (@ARGV)
{
push (@out, Libs($pkg)) if ($opt_libs);
push (@out, Cflags($pkg)) if ($opt_cflags);
}
if ($#out >= 0) {
print join(' ', @out) . "\n";
}
exit 0;
|
