| .. _how_to_build_on_arm: |
| |
| =================================================================== |
| How To Build On ARM |
| =================================================================== |
| |
| .. sectionauthor:: Wei-Ren Chen (陳韋任) <chenwj@iis.sinica.edu.tw> |
| |
| Introduction |
| ============ |
| |
| This document contains information about building/testing LLVM and |
| Clang on ARM. |
| |
| Notes On Building LLVM/Clang on ARM |
| ===================================== |
| Here are some notes on building/testing LLVM/Clang on ARM. Note that |
| ARM encompasses a wide variety of CPUs; this advice is primarily based |
| on the ARMv6 and ARMv7 architectures and may be inapplicable to older chips. |
| |
| #. If you are building LLVM/Clang on an ARM board with 1G of memory or less, |
| please use ``gold`` rather then GNU ``ld``. |
| Building LLVM/Clang with ``--enable-optimized`` |
| is prefered since it consumes less memory. Otherwise, the building |
| process will very likely fail due to insufficient memory. In any |
| case it is probably a good idea to set up a swap partition. |
| |
| #. If you want to run ``make |
| check-all`` after building LLVM/Clang, to avoid false alarms (eg, ARCMT |
| failure) please use the following configuration: |
| |
| .. code-block:: bash |
| |
| $ ../$LLVM_SRC_DIR/configure --with-abi=aapcs |
