Now type 'make' to compile lde.
this@this:~/Downloads/lde$ make
( cd crash_recovery ; make -f Makefile all )
make[1]: Entering directory `/home/this/Downloads/lde/crash_recovery'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/home/this/Downloads/lde/crash_recovery'
( cd src ; make -f Makefile all )
make[1]: Entering directory `/home/this/Downloads/lde/src'
make[2]: Entering directory `/home/this/Downloads/lde/src/swiped'
yacc cnews/getdate.y
make[2]: yacc: Command not found
make[2]: *** [getdate.o] Error 127
make[2]: Leaving directory `/home/this/Downloads/lde/src/swiped'
make[1]: *** [swiped.a] Error 2
make[1]: Leaving directory `/home/this/Downloads/lde/src'
make: *** [dummy.src] Error 2
this@this:~/Downloads/lde$