fixed (for good) rpath issues on OSX

src/macosx/cleanup_rpath.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python
+
+import sys
+import os
+import subprocess
+import re
+
+
+def usage():
+	print(u"Usage:	%s component/path.dylib" % sys.argv[0])
+
+if len(sys.argv) < 2:
+	usage()
+	exit(0)
+
+component = sys.argv[1]
+
+if not os.path.exists(component):
+	print(u"Unable to access component at: %s" % component)
+	exit(1)
+
+if not component.endswith('.dylib'):
+	print(u"%s is not a dylib component" % component)
+	exit(1)
+
+print("Fixing %s..." % component)
+
+basename = os.path.basename(component)
+name, ext = basename.rsplit('.', 1)
+libname = u'lib%s%s.0.dylib' % (name[0].upper(), name[1:])
+
+# run otool to get a list of deps.
+otool = subprocess.Popen(['otool', '-L', component], stdout=subprocess.PIPE)
+otool_out, otool_err = otool.communicate()
+
+for line in otool_out.split('\n'):
+	if ('executable_path' in line
+		or 'libSystem' in line
+		or 'libstdc++' in line
+		or ':' in line
+		or not len(line)):
+		continue
+	path, junk = line.strip().split(' (', 1)
+	# erroneous_links.append(path)
+
+	_basename = os.path.basename(path).strip()
+
+	# remove the libXX.0.dylib from the component (optionnal)
+	# doesn't seem to work.
+	if _basename == libname:
+		# os.system('install_name_tool -delete_rpath %s %s' % (path, component))
+		continue
+
+	# is it a library link?
+	match = re.match(r'lib([a-z\_\-\d]+)([\.?\d]*)\.dylib', _basename)
+	if match:
+		newpath = u'@executable_path/../Frameworks/lib%s.dylib' % match.groups()[0]
+		os.system('install_name_tool -change %s %s %s' % (path, newpath, component))
+		continue
+
+	print('\tUnmatched: %s' % path)