To compile the Libretro core you will need a version of clang/gcc that supports C++14. Run "make" from the "Libretro" subfolder to build the Libretro core. LTO gives a large performance boost (25-30%+), so turning it off is not recommended.
To compile the Libretro core you will need a version of clang/gcc that supports C++14. Run "make" from the "Libretro" subfolder to build the Libretro core. LTO gives a large performance boost (25-30%+), so turning it off is not recommended.