Android NDK: build c-ares w/ the Standalone Toolchain

c-ares.sh

export NDK=/tmp/android-ndk-r8b

# Create the standalone toolchain
$NDK/build/tools/make-standalone-toolchain.sh \
--platform=android-9 \
--install-dir=/tmp/my-android-toolchain

export PATH=/tmp/my-android-toolchain/bin:$PATH
export SYSROOT=/tmp/my-android-toolchain/sysroot
export CC="arm-linux-androideabi-gcc --sysroot $SYSROOT"

# Download the latest release
curl -O http://c-ares.haxx.se/download/c-ares-1.9.1.tar.gz
tar xvfz c-ares-1.9.1.tar.gz

# Configure
cd c-ares-1.9.1 && mkdir build
./configure --prefix=$(pwd)/build \
--host=arm-linux-androideabi \
--disable-shared \
CFLAGS="-march=armv7-a"

# Build and install
make && make install