From 6e88eaef69b718048cd8a8b1d1cd8b7dbc8704cc Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Tue, 31 Jan 2017 02:15:37 +0000
Subject: [PATCH] Fix a path construction issue introduced in 3fc85b7.

---
 src/platform/climain.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/platform/climain.cpp b/src/platform/climain.cpp
index c8cae597..ddb61661 100644
--- a/src/platform/climain.cpp
+++ b/src/platform/climain.cpp
@@ -309,7 +309,9 @@ static bool RunCommand(const std::vector<std::string> args) {
         if(replaceAt != std::string::npos) {
             std::string outputSubst;
             outputSubst  = Dirname(inputFile);
-            outputSubst += PATH_SEP;
+            if(!outputSubst.empty()) {
+                outputSubst += PATH_SEP;
+            }
             outputSubst += Basename(inputFile, /*stripExtension=*/true);
             outputFile.replace(replaceAt, 1, outputSubst);
         }