bryanlinnan opened a new issue #13610: arm compile error with ndk android-toolchain URL: https://github.com/apache/incubator-mxnet/issues/13610 ## Description compile error occured when i tried to use android-toolchain to compile mxnet/amalgamation ## Environment info (Required) ubuntu16.04 mxnet1.4 android-ndk-r14b/13b/16b What to do: 1. generate android-toolchain cd ~/android-ndk-r14b/build/tools ./make-standalone-toolchain.sh --platform=android-21 --use-llvm --arch=arm --install-dir=~/Tool/android-toolchain 2. compile OpenBLAS git clone https://github.com/xianyi/OpenBLAS.git export PATH=$PATH:~/Tool/android-toolchain/bin cd OpenBLAS make TARGET=ARMV7 HOSTCC=gcc CC=arm-linux-androideabi-gcc NOFORTRAN=1 make PREFIX=~/Tool/openblas install 3. build mxnet git clone --recursive https://github.com/dmlc/mxnet.git cd mxnet/amalgamation export PATH=~/Tool/android-toolchain/bin:$PATH export CXX=arm-linux-androideabi-g++ export CC=arm-linux-androideabi-gcc make ANDROID=1 MXNet commit hash: (Paste the output of `git rev-parse HEAD` here.) f2ca66f2c537783aa60251080582793f42f395a7 ## Error Message: 1. fatal error: sys/fcntl.h: No such file or directory then i fix this error by modify the mxnet_predict-all.cc with fcntl instead of sys/fcntl then another error come: 2. fatal error: x86intrin.h: No such file or directory then i fix this error by removing it from mxnet_predict-all.cc then another error come: 3. error: 'stod' is not a member of 'std' error: 'to_string' is not a member of 'std' now i don't know how to fix it
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