mdw@git.distorted.org.uk Git - mdw-cross/blob - src/cross.in

   1 #! /bin/sh -e
   2
   3 case $# in
   4   0) echo 2>&1 "usage: ${0##*/} ENV [CMD [ARGS ...]]"; exit 2 ;;
   5 esac
   6 env=$1; shift
   7 case $# in
   8   0) set -- "$SHELL" ;;
   9 esac
  10
  11 : ${CROSSDIR=@crossdir@}; export CROSSDIR
  12
  13 if ! [ -f "$CROSSDIR/etc/$env-setup.sh" ]; then
  14   echo 2>&1 "${0##*/}: cross environment \`$env' unknown"; exit 2
  15 fi
  16
  17 if type >/dev/null 2>&1; then CROSS_COMPILER_PREFIX="ccache "
  18 else CROSS_COMPILER_PREFIX=
  19 fi
  20 export CROSS_COMPILER_PREFIX
  21
  22 CROSS_BUILDENV=$env; export CROSS_BUILDENV
  23
  24 if [ -f "$CROSSDIR/etc/$env-config.site" ]
  25 then CONFIG_SITE=$CROSSDIR/etc/$env-config.site
  26 else CONFIG_SITE=$CROSSDIR/etc/common-cross-config.site
  27 fi
  28 export CONFIG_SITE
  29
  30 CROSS_PREFIX=$CROSSDIR/inst.$env; export CROSS_PREFIX
  31 . "$CROSSDIR/etc/$env-setup.sh"
  32
  33 case ${CROSS_ARCH+t} in
  34   t) ;;
  35   *) echo 2>&1 "${0##*/}: setup script didn't set \`CROSS_ARCH'"; exit 2 ;;
  36 esac
  37 export CROSS_ARCH
  38
  39 case :$PATH: in
  40   *:"$CROSSDIR/tools:"*) ;;
  41   *) PATH=$CROSSDIR/tools:$PATH ;;
  42 esac
  43
  44 exec "$@"