[giscanner] Catch CalledProcessError and OSError

Instead of catching all errors, including AttributeError,
TypeError and NameError.

diff --git a/giscanner/utils.py b/giscanner/utils.py
index 3bbf33b..1bd23fc 100644 (file)
--- a/giscanner/utils.py
+++ b/giscanner/utils.py
@@ -97,7 +97,7 @@ def get_libtool_command(options):
     try:
         subprocess.check_call(['libtool', '--version'],
                               stdout=open(os.devnull))
-    except:
+    except (subprocess.CalledProcessError, OSError), e:
         # If libtool's not installed, assume we don't need it
         return None