root/trunk/libffado/admin/pkgconfig.py

Revision 864, 2.8 kB (checked in by ppalmers, 13 years ago)

update license to GPLv2 or GPLv3 instead of GPLv2 or any later version. Update copyrights to reflect the new year

Line 
1 #!/usr/bin/python
2 #
3 # Copyright (C) 2007-2008 Arnold Krille
4 #
5 # This file is part of FFADO
6 # FFADO = Free Firewire (pro-)audio drivers for linux
7 #
8 # FFADO is based upon FreeBoB.
9 #
10 # This program is free software: you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation, either version 2 of the License, or
13 # (at your option) version 3 of the License.
14 #
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 # GNU General Public License for more details.
19 #
20 # You should have received a copy of the GNU General Public License
21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
22 #
23
24 #
25 # Taken from http://www.scons.org/wiki/UsingPkgConfig
26 # and heavily modified
27 #
28
29 #
30 # Checks for pkg-config
31 #
32 def CheckForPKGConfig( context, version='0.0.0' ):
33         context.Message( "Checking for pkg-config (at least version %s)... " % version )
34         ret = context.TryAction( "pkg-config --atleast-pkgconfig-version=%s" %version )[0]
35         context.Result( ret )
36         return ret
37
38 #
39 # Checks for the given package with an optional version-requirement
40 #
41 # The flags (which can be imported into the environment by env.MergeFlags(...)
42 # are exported as env['NAME_FLAGS'] where name is built by removing all +,-,.
43 # and upper-casing.
44 #
45 def CheckForPKG( context, name, version="" ):
46         name2 = name.replace("+","").replace(".","").replace("-","")
47
48         if version == "":
49                 context.Message( "Checking for %s... \t" % name )
50                 ret = context.TryAction( "pkg-config --exists '%s'" % name )[0]
51         else:
52                 context.Message( "Checking for %s (%s or higher)... \t" % (name,version) )
53                 ret = context.TryAction( "pkg-config --atleast-version=%s '%s'" % (version,name) )[0]
54
55         if ret:
56                 context.env['%s_FLAGS' % name2.upper()] = context.env.ParseFlags("!pkg-config --cflags --libs %s" % name)
57
58         context.Result( ret )
59         return ret
60
61 #
62 # Checks for the existance of the package and returns the packages flags.
63 #
64 # This should allow caching of the flags so that pkg-config is called only once.
65 #
66 def GetPKGFlags( context, name, version="" ):
67         import os
68
69         if version == "":
70                 context.Message( "Checking for %s... \t" % name )
71                 ret = context.TryAction( "pkg-config --exists '%s'" % name )[0]
72         else:
73                 context.Message( "Checking for %s (%s or higher)... \t" % (name,version) )
74                 ret = context.TryAction( "pkg-config --atleast-version=%s '%s'" % (version,name) )[0]
75
76         if not ret:
77                 context.Result( ret )
78                 return ret
79
80         out = os.popen2( "pkg-config --cflags --libs %s" % name )[1]
81         ret = out.read()
82
83         context.Result( True )
84         return ret
85
86 def generate( env, **kw ):
87         env['PKGCONFIG_TESTS' ] = { 'CheckForPKGConfig' : CheckForPKGConfig, 'CheckForPKG' : CheckForPKG, 'GetPKGFlags' : GetPKGFlags }
88
89 def exists( env ):
90         return 1
91
92
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