Small script for creating missing alternatives for gcc/g++ and clang/clang++ in ubuntu.

compiler_alternatives.sh

#!/bin/bash

ALTS="gcc g++ clang clang++"

for VAR in $ALTS
do
  echo $VAR
  update-alternatives --remove-all $VAR
  FOUND=`find /usr/bin -name $VAR-* -print | grep $VAR-[0-9] | sort`
  C=10
  for FF in $FOUND
  do
    echo $C $FF
    update-alternatives --install /usr/bin/$VAR $VAR $FF $C
    C=$((C + 10))
  done
  

done