* Add support for Raspberry PI (ARM) builds.
To build:
./configure
bazel build --sandbox_debug -c opt --copt=-march=armv6 --copt=-mfpu=vfp \
--copt=-funsafe-math-optimizations --copt=-ftree-vectorize \
--copt=-fomit-frame-pointer --cpu=armeabi \
--crosstool_top=@local_config_arm_compiler//:toolchain \
--verbose_failures --build_python_zip ...targets...
* Additional changes to get raspberry pi build working.
update platform.h and crosstool template for define RASPBERRY_PI.
* Add build_raspberry_pi.sh with some documentation.
* Cleanups for build_raspberry_pi.sh
* contrib/makefile/Makefile in PI mode: add -DRASPBERRY_PI.
* Recommend using aptitude instead of apt-get in build_raspberry_pi.sh.
* More comments to build_raspberry_pi.sh
* Switched to tar file for ARM tool chain
* More fixes to arm build scripts; move tools/arm_compiler -> third_party/toolchains/cpus/arm.
* Update comments in build_raspberry_pi: get ubuntu ports for your lsb codename.
* Hacked around cxx_builtin_include_directory problem in CROSSTOOL
* Added an extra system include
* Added Pi Two/Three NEON support, with fix for Eigen version
* Undo pete's Eigen change - it breaks OS X build. Will be fixed later.
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