From 5fabce7c2c89873410a992887a28e74db1256844 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Atgeirr=20Fl=C3=B8=20Rasmussen?= <atgeirr@sintef.no>
Date: Tue, 10 May 2016 09:22:31 +0200
Subject: [PATCH] Check if dir already exists before creating.

May be necessary on some platforms for the current dir (".").
---
 opm/autodiff/FlowMain.hpp | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/opm/autodiff/FlowMain.hpp b/opm/autodiff/FlowMain.hpp
index 08cc652a1..adffac8d3 100644
--- a/opm/autodiff/FlowMain.hpp
+++ b/opm/autodiff/FlowMain.hpp
@@ -328,11 +328,13 @@ namespace Opm
                 output_dir_ =
                     param_.getDefault("output_dir", std::string("."));
                 boost::filesystem::path fpath(output_dir_);
-                try {
-                    create_directories(fpath);
-                }
-                catch (...) {
-                    OPM_THROW(std::runtime_error, "Creating directories failed: " << fpath);
+                if (!is_directory(fpath)) {
+                    try {
+                        create_directories(fpath);
+                    }
+                    catch (...) {
+                        OPM_THROW(std::runtime_error, "Creating directories failed: " << fpath);
+                    }
                 }
                 // Write simulation parameters.
                 param_.writeParam(output_dir_ + "/simulation.param");