* Enable IPO (LTO) via CMake
* Use separate IPO_ENABLED variable
* Enabled IPO for more binaries
* Enabled IPO for arangobackup
* Suppress an MSVC warning (though it is not unjustified...)
* Fix static builds, broken due to Policy CMP0060 introduced in cmake 3.3
* Removed policies superseded by minimum cmake version
* Disable IPO with google tests due to a g++ bug
* Disable IPO with google tests only on AUTO
* Disable warning for correct line
* Begin de-inlining Aql
* de-inlining Aql: 2nd batch
* de-inlining Aql: 3rd batch
* de-inlining Aql: 4th batch
* Moved code out of ifdef
* Enabled IPO for additional libs
* Fixed some problems found with IPO enabled
- Fixed ODR violation in Pregel
- Removed unused code in ClusterMethods
- Avoid possible uninitialized variable usage
* Set IPO globally, except for 3rdParty libs
* De-inlined AstHelper again (was undone due to a previous merge conflict)
* Added missing .cpp file
* Fixed compilation with MSVC
* Removed superfluous includes from deinlined AQL header files
* Added includes for size_t
* Deleted outdated files
* De-inlined files that were undone during the merge
* Removed includes from files that were undone during merge
* Fixed merge conflicts
Michael Hackstein
Tobias Gödderz