bah, apparently on travis you get a machine() value of i686

Author: antocuni

setup.py

@@ -54,13 +54,16 @@ def _supported_unix():
         extra_compile_args += ['-DVMPROF_UNIX=1']
         if platform.machine().startswith("arm"):
             libraries.append('unwind-arm')
-        elif platform.machine().startswith("x86") or platform.machine().startswith("amd64"):
+        elif (platform.machine().startswith("x86") or
+              platform.machine().startswith("i686") or
+              platform.machine().startswith("amd64")):
             if sys.maxsize == 2**63-1:
                 libraries.append('unwind-x86_64')
             else:
                 libraries.append('unwind-x86')
         else:
-            raise NotImplementedError("unknown platform.machine(): %s" % platform.machine())
+            raise NotImplementedError("unknown platform.machine(): %s" %
+                                      platform.machine())
         extra_source_files += [
            'src/vmprof_mt.c',
            'src/vmprof_unix.c',