Android NDK build

export PATH="$NDK/toolchains/llvm/prebuilt/linux-x86_64/bin:$PATH"

mkdir build-zmq && cd build-zmq

CC=armv7a-linux-androideabi16-clang CXX=armv7a-linux-androideabi16-clang++ ../libzmq/configure --enable-static --disable-shared --host=armv7a-linux-androideabi16 --prefix=$OUTPUT_DIR LDFLAGS="-L$OUTPUT_DIR/lib" CPPFLAGS="-fPIC -I$OUTPUT_DIR/include"