diff options
Diffstat (limited to 'lib/envars.ml')
| -rw-r--r-- | lib/envars.ml | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/envars.ml b/lib/envars.ml index 17cfa122..4ec68a27 100644 --- a/lib/envars.ml +++ b/lib/envars.ml @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -123,7 +123,7 @@ let camlp4lib () = else let camlp4bin = camlp4bin () in let com = (Filename.concat camlp4bin Coq_config.camlp4) ^ " -where" in - let _,res = System.run_command (fun x -> x) (fun _ -> ()) com in - Util.strip res - - + let ex,res = System.run_command (fun x -> x) (fun _ -> ()) com in + match ex with + |Unix.WEXITED 0 -> Util.strip res + |_ -> "/dev/null" |