1 files changed, 116 insertions, 0 deletions
diff --git a/ext.wscript b/ext.wscript
new file mode 100644
index 0000000..43f04c0
--- /dev/null
+++ b/ext.wscript
@@ -0,0 +1,116 @@
+#!/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:
+    import lv2extinfo
+    info = lv2extinfo
+except:
+    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)
+        uri  = str(spec)
+        name = os.path.basename(uri.replace('http://', ''))
+
+        m.parse(os.path.join(dir, name + '.ttl'), format='n3')
+        
+        pkgname = 'lv2-' + uri.replace('http://', '').replace('/', '-')
+        info = type('lv2extinfo', (object,),
+                    {'NAME'           : name,
+                     'MINOR'          : int(m.value(spec, lv2.minorVersion, None)),
+                     'MICRO'          : int(m.value(spec, lv2.microVersion, None)),
+                     'URI'            : str(spec),
+                     'PKGCONFIG_NAME' : pkgname,
+                     '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 Options.options.experimental or (
+        info.MINOR > 0 and info.MICRO % 2 == 0)
+
+def configure(conf):
+    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.PKGCONFIG_NAME)
+    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.PKGCONFIG_NAME + '.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))