qeedquan

// from https://stackoverflow.com/questions/10798357/want-to-compile-native-android-binary-i-can-run-in-terminal-on-the-phone
/*
# create tool-chain - one line
# New method in ndk 12.
$NDK/build/tools/make_standalone_toolchain.py --arch arm --install-dir=/tmp/my-android-toolchain
# Old method.
#$NDK/build/tools/make-standalone-toolchain.sh --platform=android-3 --install-dir=/tmp/my-android-toolchain

# add to terminal PATH variable
export PATH=/tmp/my-android-toolchain/bin:$PATH

qeedquan

// how to do make a string out of multiple lines
// using the preprocessor

#include <stdio.h>

#define STRINGIFY(...) #__VA_ARGS__

int
main(void)
{