build/qemu-wrap

   1 #!/bin/bash
   2 # this script creates a wrapper shell script for an executable.  The idea is the actual executable cannot be
   3 # executed natively (it was cross compiled), but we want to run tests natively.  Running this script
   4 # as part of the compilation process will move the non-native executable to a new location, and replace it
   5 # with a script that will run it under qemu.
   6 while [[ -n $1 ]]; do
   7     case $1 in
   8         --qemu) QEMU="$2"; shift 2;;
   9         --libdir) LIBDIR="$2"; shift 2;;
  10         --ld) LD="$2"; shift 2;;
  11         *) exe="$1"; shift;;
  12     esac
  13 done
  14 if [[ -z $LIBDIR ]]; then
  15     echo "You need to specify a directory for the cross libraries when you configure the shell"
  16     echo "You can do this with --with-cross-lib="
  17     exit 1
  18 fi
  19 LD=${LD:-$LIBDIR/ld-linux.so.3}
  20 mv $exe $exe.target
  21 # Just hardcode the path to the executable.  It'll be pretty obvious if it is doing the wrong thing.
  22
  23 echo $'#!/bin/bash\n' $QEMU -E LD_LIBRARY_PATH="${LIBDIR}" "$LD" "$(readlink -f "$exe.target")" '"$@"' >"$exe"
  24 chmod +x $exe