ENH: do not use crazy long paths to object files for try compile

1 files changed, 10 insertions, 0 deletions

diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 0333a5e..f0fa9be 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -2286,6 +2286,16 @@ cmLocalGenerator::GetObjectFileNameWithoutTarget(const cmSourceFile& source)
       objectName = relFromSource;
       }
     }
+  // if it is still a full path check for the try compile case
+  // try compile never have in source sources, and should not
+  // have conflicting source file names in the same target
+  if(cmSystemTools::FileIsFullPath(objectName.c_str()))
+    {
+    if(this->GetGlobalGenerator()->GetCMakeInstance()->GetIsInTryCompile())
+      {
+      objectName = cmSystemTools::GetFilenameName(source.GetFullPath());
+      }
+    }
 
   // Replace the original source file extension with the object file
   // extension.