diff options
-rw-r--r-- | setup.py | 28 |
1 files changed, 24 insertions, 4 deletions
@@ -28,6 +28,7 @@ import os import platform import sys +import ctypes from ctypes.util import find_library from distutils.command.build import build as _build from distutils.command.clean import clean as _clean @@ -84,10 +85,29 @@ class build(_build): found_path = _find_library("erasurecode") if found_path: - if found_path.endswith(library_version) or \ - found_path.find(library_version + ".") > -1: - # call 1.x.x the only compatible version for now - return + libec = ctypes.CDLL(found_path) + try: + packed_version = libec.liberasurecode_get_version() + except AttributeError: + # If we don't have the version getter, we're probably + # pre-1.4.0; fall back to some heuristics based on name + version_parts = [x for x in found_path.split('.') + if x.isdigit()] + if not version_parts: + # A bare .so? Well, we haven't released a 2.x yet... but + # if we ever do, hopefully it'd still provide a + # liberasurecode_get_version() + return + if version_parts[0] == library_version: + return + # else, seems to be an unknown version -- assume it won't work + else: + version = ( + packed_version >> 16, + (packed_version >> 8) & 0xff, + packed_version & 0xff) + if (1, 0, 0) <= version < (2, 0, 0): + return if platform_str.find("Darwin") > -1: liberasure_file = \ |