1 # UCW Library configuration system: pkg-config and friends
2 # (c) 2008 Martin Mares <mj@ucw.cz>
4 package UCW::Configure::Pkg;
11 our @ISA = qw(Exporter);
12 our @EXPORT = qw(&TryCmd &PkgConfig &TrivConfig);
17 defined $res or return;
19 return $res unless $?;
23 sub maybe_manually($) {
26 if (Get("$n")) { Log "YES (set manually)\n"; }
27 else { Log "NO (set manually)\n"; }
36 my $upper = $pkg; $upper =~ tr/a-z/A-Z/; $upper =~ s/[^0-9A-Z]+/_/g;
37 Log "Checking for package $pkg ... ";
38 maybe_manually("CONFIG_HAVE_$upper") and return Get("CONFIG_HAVE_$upper");
39 my $ver = TryCmd("pkg-config --modversion $pkg 2>/dev/null");
44 if (defined($opts{minversion})) {
45 my $min = $opts{minversion};
46 if (!defined TryCmd("pkg-config --atleast-version=$min $pkg")) {
47 Log("NO: version $ver is too old (need >= $min)\n");
51 Log("YES: version $ver\n");
52 Set("CONFIG_HAVE_$upper" => 1);
53 Set("CONFIG_VER_$upper" => $ver);
54 my $cf = TryCmd("pkg-config --cflags $pkg");
55 Set("${upper}_CFLAGS" => $cf) if defined $cf;
56 my $lf = TryCmd("pkg-config --libs $pkg");
57 Set("${upper}_LIBS" => $lf) if defined $lf;
63 return join(".", map { sprintf("%05s", $_) } split(/\./, $v));
69 my $upper = $pkg; $upper =~ tr/a-z/A-Z/; $upper =~ s/[^0-9A-Z]+/_/g;
70 Log "Checking for package $pkg ... ";
71 maybe_manually("CONFIG_HAVE_$upper") and return Get("CONFIG_HAVE_$upper");
72 my $pc = $opts{script};
73 my $ver = TryCmd("$pc --version 2>/dev/null");
78 if (defined($opts{minversion})) {
79 my $min = $opts{minversion};
80 if (ver_norm($ver) lt ver_norm($min)) {
81 Log("NO: version $ver is too old (need >= $min)\n");
85 Log("YES: version $ver\n");
86 Set("CONFIG_HAVE_$upper" => 1);
87 Set("CONFIG_VER_$upper" => $ver);
89 my $want = $opts{want};
90 defined $want or $want = ["cflags", "libs"];
92 my $uw = $w; $uw =~ tr/a-z-/A-Z_/;
93 my $cf = TryCmd("$pc --$w");
94 Set("${upper}_${uw}" => $cf) if defined $cf;