Linux)
# Check if it is GCC version 4.x
gcc_ver=`gcc --version | grep -e " 4\."`
if [[ -z $gcc_ver ]]
then
# It is not GCC version 4.x. Check if it is GCC version 3.x
gcc_ver=`gcc --version | grep -e " 3\."`
if [[ -z $gcc_ver ]]
then
# It is not GCC version 3.x. Check if it is GCC version 2.x
gcc_ver=`gcc --version | grep -e "2\."`
if [[ -z $gcc_ver ]]
then
# It is not GCC version 2.x either. Production can not be compiled.
sysid="unknown"
else
# It is GCC version 2.x
sysid="gnu2"
fi
else
# It is GCC version 3.x
sysid="gnu3"
fi
else
# It is GCC version 4.x
sysid="gnu4"
fi
;;