Created by: jiweibo

x86 and cuda compile simutaneously

cmake ..  -DCMAKE_BUILD_TYPE=RelWithDebInfo  \
         -DWITH_MKL=ON  \
         -DLITE_WITH_CUDA=ON  \
         -DWITH_MKLDNN=OFF  \
         -DLITE_WITH_X86=ON   \
         -DLITE_WITH_PROFILE=OFF  \
         -DWITH_LITE=OFF \
         -DLITE_WITH_LIGHT_WEIGHT_FRAMEWORK=OFF \
         -DWITH_PYTHON=OFF \
         -DWITH_TESTING=ON  \
         -DLITE_WITH_ARM=OFF \
         -DLITE_ON_TINY_PUBLISH=OFF \
         -DCUDNN_ROOT=/usr/local/cudnn/ \
         -DLITE_BUILD_EXTRA=ON