aboutsummaryrefslogtreecommitdiffstats
path: root/ext.wscript
blob: cbab22f6c726c373540325e8bed717133c52fc8b (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
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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
#!/usr/bin/env python
import os
import sys
import shutil
from waflib.extras import autowaf as autowaf
import waflib.Scripting as Scripting
import waflib.Logs as Logs
import waflib.Options as Options
import waflib.Context as Context
import waflib.Utils as Utils

info = None

try:
    # Read version information from lv2extinfo.py (in a release tarball)
    import lv2extinfo
    info = lv2extinfo
except:
    # Read version information from RDF files
    try:
        import rdflib
        doap = rdflib.Namespace('http://usefulinc.com/ns/doap#')
        rdf  = rdflib.Namespace('http://www.w3.org/1999/02/22-rdf-syntax-ns#')
        lv2  = rdflib.Namespace('http://lv2plug.in/ns/lv2core#')

        dir = sys.path[0]
        m   = rdflib.ConjunctiveGraph()
        m.parse(os.path.join(dir, 'manifest.ttl'), format='n3')

        spec = m.value(None, rdf.type, lv2.Specification)
        name = os.path.basename(spec.replace('http://', ''))
        m.parse(os.path.join(dir, name + '.ttl'), format='n3')
        
        info = type('lv2extinfo', (object,), {
           'NAME'      : str(name),
           'MINOR'     : int(m.value(spec, lv2.minorVersion, None)),
           'MICRO'     : int(m.value(spec, lv2.microVersion, None)),
           'URI'       : str(spec),
           'PKGNAME'   : str('lv2-' + spec.replace('http://', '').replace('/', '-')),
           'SHORTDESC' : str(m.value(spec, doap.shortdesc, None))})
        
    except:
        e = sys.exc_info()[1]
        Logs.error('Error reading version information: '  + str(e))

if not info:
    Logs.error("Failed to find version information from lv2extinfo.py or RDF")
    sys.exit(1)

# Variables for 'waf dist'
APPNAME = 'lv2-' + info.NAME
VERSION = '%d.%d' % (info.MINOR, info.MICRO)

# Mandatory variables
top = '.'
out = 'build'

def options(opt):
    autowaf.set_options(opt)
    opt.add_option('--copy-headers', action='store_true', default=False,
                   dest='copy_headers',
                   help='Copy headers instead of linking to bundle')
    opt.add_option('--experimental', action='store_true', default=False,
                   dest='experimental',
                   help='Install unreleased experimental extensions')

def should_build(ctx):
    top_level = (len(ctx.stack_path) <= 1)
    return top_level or ctx.env['EXPERIMENTAL'] or (
        info.MINOR > 0 and info.MICRO % 2 == 0)

def configure(conf):
    conf.env['EXPERIMENTAL'] = Options.options.experimental

    if not should_build(conf):
        return

    autowaf.configure(conf)
    autowaf.display_header('LV2 %s Configuration' % info.NAME)
    conf.env['COPY_HEADERS'] = Options.options.copy_headers
    autowaf.display_msg(conf, 'LV2 bundle directory', conf.env['LV2DIR'])
    autowaf.display_msg(conf, 'URI', info.URI)
    autowaf.display_msg(conf, 'Version', VERSION)
    autowaf.display_msg(conf, 'Pkgconfig name', info.PKGNAME)
    print('')

def build(bld):
    if not should_build(bld):
        return

    uri          = info.URI
    include_base = os.path.dirname(uri[uri.find('://') + 3:])
    bundle_dir   = os.path.join(bld.env['LV2DIR'], info.NAME + '.lv2')
    include_dir  = os.path.join(bld.env['INCLUDEDIR'], 'lv2', include_base)

    # Pkgconfig file
    obj = bld(features     = 'subst',
              source       = 'ext.pc.in',
              target       = info.PKGNAME + '.pc',
              install_path = '${LIBDIR}/pkgconfig',
              INCLUDEDIR   = bld.env['INCLUDEDIR'],
              INCLUDE_PATH = uri.replace('http://', 'lv2/'),
              NAME         = info.NAME,
              VERSION      = VERSION,
              DESCRIPTION  = info.SHORTDESC)
            
    # Install bundle
    bld.install_files(bundle_dir,
                      bld.path.ant_glob('?*.*', excl='*.pc.in'))

    # Install URI-like includes
    if bld.env['COPY_HEADERS']:
        bld.install_files(os.path.join(include_dir, info.NAME),
                          bld.path.ant_glob('*.h'))
    else:
        bld.symlink_as(os.path.join(include_dir, info.NAME),
                       os.path.relpath(bundle_dir, include_dir))

class Dist(Scripting.Dist):
    fun = 'dist'
    cmd = 'dist'

    def archive(self):
        # Generate lv2extinfo.py in source tree
        lv2extinfo_py = open('lv2extinfo.py', 'w')
        for i in info.__dict__:
            if i.isupper():
                lv2extinfo_py.write("%s = %s\n" % (i, repr(info.__dict__[i])))
        lv2extinfo_py.close()

        # Build distribution
        Scripting.Dist.archive(self)

        # Delete lv2extinfo.py from source tree
        try:
            os.remove('lv2extinfo.py')
            os.remove('lv2extinfo.pyc')
        except:
            pass

class DistCheck(Dist, Scripting.DistCheck):
    fun = 'distcheck'
    cmd = 'distcheck'

    def archive(self):
        Dist.archive(self)