export IMPALA_ARCH=${IMPALA_ARCH:="x86"}
export IMPALA_SRCROOT=$PWD
export IMPALA_MK=$IMPALA_SRCROOT/mk
export IMPALA_OUTPUT=$IMPALA_SRCROOT/output
export IMPALA_SDK=${HOME}/ImpalaSDK
export ELF_PREFIX=${ELF_PREFIX:="${IMPALA_SDK}/bin/i386-elf-"}
export AOUT_PREFIX=${AOUT_PREFIX:="${IMPALA_SDK}/bin/i386-aout-"}
