Xcode INSTALL_PATH setting makes archiving impossible

This issue was created automatically from an original Mantis Issue. Further discussion may take place here.

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CMake sets CMAKE_XCODE_ATTRIBUTE_INSTALL_PATH to an empty string ("") when generating xcode projects. For whatever reason archiving projects only works when

• INSTALL_PATH is NOT set
• INSTALL_PATH is set to some value other than the empty string ("")

It does NOT work when

• INSTALL_PATH is set to the empty string

So I propose for CMake to not set this value at all, then XCode takes some default which works for archiving files.

See also here: http://web.archiveorange.com/archive/v/5y7PklO3CkRUMmyHhIlr

and here: http://public.kitware.com/pipermail/cmake/2011-June/045159.html

and here: http://stackoverflow.com/a/8102602/369009