[CMake] CONFIGURE_FILE with read-only template

[Dekeyser, Kris]

CMake 2.0.3, Windows XP:
 
I issue CONFIGURE_FILE commands using templates that sit in our ClearCase
source code repository, This works fine until I checked in the templates.
Files that are checked in are marked read-only by ClearCase. On its own this
does not cause a problem because CMake only needs read access to the
templates.
 
The issue is that the files in my build tree that are generated from
read-only templates are also marked as read-only. If CMake is run a second
time to update the local files, it issues a problem ("CMake Error: Error in
cmake code at [...]:\nCONFIGURE_FILE Problem configuring file") because the
target files cannot be overwritten. I noticed that the project files do not
get updated either.
 
How can we solve this?
 
- Kris
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