./configure --prefix=/home/user/CLHEP(Note that files will be installed under /usr/local if you do not specify a prefix.)
make(Build temporary copies of libraries and executables.)
make check(Run the tests.)
make install(Copy libraries, headers, executables, etc. to relevant subdirectories under .)
export LD_LIBRARY_PATH=:$LD_LIBRARY_PATH:/home/user/CLHEP/lib