1 Instaling prerequistences for Webrtc (depot tools etc)
2 install all dependencies for arm crossbuilding
./build/ install-build-deps.sh --arm
2 then install the arm sysroot with ./build/linux/install-arm-sysroot.py
3 define the following settings:
export GYP_DEFINES="target_arch=arm arm_version=6 arm_neon=0 arm_float_abi=hard"
export CC=arm-linux-gnueabihf-gcc
export CXX=arm-linux-gnueabihf-g++
export AR=arm-linux-gnueabihf-ar
export CC_host=gcc
export CXX_host=g++
4. Setting up the stable version of webrtc:
gclient config --name=trunk http://webrtc.googlecode.com/svn/stable
5. gclient sync --force
6. Fixing bug related to pkg-config-wrapper in libgingle.gyp