text: #!/bin/bash
  if [ ! -d build_linux ]; then
      mkdir build_linux
  fi
  cd build_linux
  if [ $# -gt 0 ] && [ $1 = "max" ]; then
      echo "has search max version" 
      if [ -f /usr/bin/g++-8 ]; then 
          cmake -DCMAKE_C_COMPILER=/usr/bin/gcc-8 -DCMAKE_CXX_COMPILER=/usr/bin/g++-8 $* ../ -DCMAKE_BUILD_TYPE=Release
          make -j2 
          cmake -DCMAKE_C_COMPILER=/usr/bin/gcc-8 -DCMAKE_CXX_COMPILER=/usr/bin/g++-8 $* ../ -DCMAKE_BUILD_TYPE=Debug
          make -j2 
      elif [ -f /usr/bin/g++-6 ]; then 
          cmake -DCMAKE_C_COMPILER=/usr/bin/gcc-6 -DCMAKE_CXX_COMPILER=/usr/bin/g++-6 $* ../ -DCMAKE_BUILD_TYPE=Release
          make -j2 
          cmake -DCMAKE_C_COMPILER=/usr/bin/gcc-6 -DCMAKE_CXX_COMPILER=/usr/bin/g++-6 $* ../ -DCMAKE_BUILD_TYPE=Debug
          make -j2 
      else
          cmake $* ../
          make -j2 
      fi
  else 
      cmake $* ../ -DCMAKE_BUILD_TYPE=Release
      make -j2 
      cmake $* ../ -DCMAKE_BUILD_TYPE=Debug
      make -j2  
  
  fi
  
  