all   : 
x     : x.exe
	uname -a
	lscpu
	/usr/bin/time --format "x.sh=%e" ./x.sh  > /tmp/dir-sh.txt
	/usr/bin/time --format "x.my=%e" ./x.my  > /tmp/dir-my.txt
	/usr/bin/time --format "x.pl=%e" ./x.pl  > /tmp/dir-pl.txt
	/usr/bin/time --format "x.py=%e" ./x.py  > /tmp/dir-py.txt
	/usr/bin/time --format "x.c =%e" ./x.exe > /tmp/dir-cc.txt
	wc -l  /tmp/dir-*
x.exe : x.c
	gcc -Wall -O2 x.c -o x.exe