2 files changed, 4 insertions, 3 deletions
diff --git a/src/base/output.cc b/src/base/output.cc
index afcac03a5..9d02a4a71 100644
--- a/src/base/output.cc
+++ b/src/base/output.cc
@@ -87,7 +87,7 @@ OutputDirectory::resolve(const string &name)
 }
 
 ostream *
-OutputDirectory::create(const string &name)
+OutputDirectory::create(const string &name, bool binary)
 {
     if (name == "cerr" || name == "stderr")
         return &cerr;
@@ -95,7 +95,8 @@ OutputDirectory::create(const string &name)
     if (name == "cout" || name == "stdout")
         return &cout;
 
-    ofstream *file = new ofstream(resolve(name).c_str(), ios::trunc);
+    ofstream *file = new ofstream(resolve(name).c_str(),
+            ios::trunc | binary ?  ios::binary : (ios::openmode)0);
     if (!file->is_open())
         panic("Cannot open file %s", name);
 
diff --git a/src/base/output.hh b/src/base/output.hh
index 0aae4ae81..5de0c4005 100644
--- a/src/base/output.hh
+++ b/src/base/output.hh
@@ -51,7 +51,7 @@ class OutputDirectory
     const std::string &directory();
 
     std::string resolve(const std::string &name);
-    std::ostream *create(const std::string &name);
+    std::ostream *create(const std::string &name, bool binary = false);
     std::ostream *find(const std::string &name);
 
     static bool isFile(const std::ostream *os);