ENH: Refactor passing of max length object dir

When computing the maximum length full path to the build directory under
which object files will be placed, pass the actual path instead of just
its length.  This will be useful for error message generation.

1 files changed, 5 insertions, 5 deletions

diff --git a/Source/cmLocalUnixMakefileGenerator3.cxx b/Source/cmLocalUnixMakefileGenerator3.cxx
index aae96ab..9517cd8 100644
--- a/Source/cmLocalUnixMakefileGenerator3.cxx
+++ b/Source/cmLocalUnixMakefileGenerator3.cxx
@@ -1928,12 +1928,12 @@ cmLocalUnixMakefileGenerator3
   obj += "/";
 
   // Get the object file name without the target directory.
-  std::string::size_type dir_len = 0;
-  dir_len += strlen(this->Makefile->GetCurrentOutputDirectory());
-  dir_len += 1;
-  dir_len += obj.size();
+  std::string dir_max;
+  dir_max += this->Makefile->GetCurrentOutputDirectory();
+  dir_max += "/";
+  dir_max += obj;
   std::string objectName =
-    this->GetObjectFileNameWithoutTarget(source, dir_len,
+    this->GetObjectFileNameWithoutTarget(source, dir_max,
                                          hasSourceExtension);
   if(nameWithoutTargetDir)
     {