#!/bin/sh


# check that script is executed as dot (.) script , then $0 should be -sh
EXIT=0
if [ "$(basename -- $0)" = "cernlib_env" ]; then
   echo !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
   echo 'You invoked the cernlib_env script without the leading dot (.) !'
   echo In order to initialize the CERN environment correctly, you *MUST*
   echo call the cernlib_env script with a leading dot and a blank.
   echo
   echo Please call:
   echo . `basename -- $0` $@
   echo !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
   EXIT=1
fi

if [ "$EXIT" != 1 ] ; then

# Establish the environment variables for the build procedures
# Depending on the system, other directories may need to be added to the PATH
# e.g. for the build tools and alternative compilers.

if [ -e "src_Imakefile.tar.gz" ]; then
    CERN=`pwd`
else
    CERN=$NEUT_INSTALL/CERNLIB
fi

if [ -e "$CERN/src_Imakefile.tar.gz" ]; then
    CERN_LEVEL=`gunzip -c $CERN/src_Imakefile.tar.gz | tar tf - | awk -F/ '{print $1}'`
else
    CERN_LEVEL=pro
fi

CERN_ROOT=$CERN/$CERN_LEVEL
PATH=$CERN_ROOT/bin:$PATH

export CERN
export CERN_LEVEL
export CERN_ROOT
export PATH

fi # "$EXIT" != 1