config/check-hostcxx.sh

   1 cat << EOF | "$STAGING_DIR_HOST/bin/g++" -c -x c++ -o /dev/null - >/dev/null 2>&1
   2 #if __clang__
   3   #if __clang_major__ < $3
   4     #error "clang too old"
   5   #endif
   6 #else
   7   #if __GNUC__ < $1 || (__GNUC__ == $1 && (__GNUC_MINOR__ < $2))
   8     #error "gcc too old"
   9   #endif
  10 #endif
  11 EOF
  12 [ $? -eq 0 ] && echo y || echo n