[LyX/master] #7896 add support for symlink creation by the LyX binary itself

[Stephan Witt]

commit bfc7c4d3792b1c4e6d0617d9da177e2df4aa7262
Author: Stephan Witt <sw...@lyx.org>
Date:   Wed Jun 3 22:08:21 2015 +0200

    #7896 add support for symlink creation by the LyX binary itself

diff --git a/src/support/FileName.cpp b/src/support/FileName.cpp
index 729287d..9506666 100644
--- a/src/support/FileName.cpp
+++ b/src/support/FileName.cpp
@@ -490,6 +490,12 @@ bool FileName::chdir() const
 }
 
 
+bool FileName::link(FileName const & name) const
+{
+       return QFile::link(toqstr(absFileName()), toqstr(name.absFileName()));
+}
+
+
 unsigned long checksum_ifstream_fallback(char const * file)
 {
        unsigned long result = 0;
diff --git a/src/support/FileName.h b/src/support/FileName.h
index f0d1b54..cfa0c65 100644
--- a/src/support/FileName.h
+++ b/src/support/FileName.h
@@ -143,6 +143,7 @@ public:
        /// the symlink will be destroyed).
        /// \return true on success.
        bool moveTo(FileName const & target) const;
+       bool link(FileName const & name) const;
 
        /// change mode of pointed file.
        /// This methods does nothing and return true on platforms that does not