make DOSE NOT install anything
will install to the $PREFIX directory ( if used in the makefile)
most programs install to /usr or /usr/local by default
Now some require that YOU manually move the program out of the build folder
run in the build folder ( not a good idea )
did you restart the very OLD ns 2.29 ( .34 is the current OLD 2 version i think. )
also be advised that fedora 15 is UNSUPPORTED
currently ONLY fedora 16 and 17 are supported and VERY SOON fedora 16 will go END OF LIFE after fedora 18 comes out
DOSE the "makefile" actually have a "clean" section DEFINED ????
not all do ?
if not YOU will have to manually delete the old files YOU defined in the BUILD folder and rebuild
( it is EVER NEVER NEVER YES NEVER
a good idea to build software IN your source folder/ working folder )
also "make clean" will NOT remove any prerequisites that needed building
" distclean" will do that IF defined in the makefile