Apply the fix from commit 1ec6485c6a (Support duplicate object names in
large archives, 2014-04-16, v3.1.0-rc1~629^2) to the IPO-specific
archiving rules. Use "quick append" instead of "replace".
Fixes: #25675
Issue: #14874
Don't initialize the other CMAKE_<LANG>_COMPILER_PREDEFINES_COMMAND
variables.
The only language variant that is used is
CMAKE_CXX_COMPILER_PREDEFINES_COMMAND, and the other language variants
contained invalid, namely C++-specific commands.
Fixes: #23968
