Makefile with chained pattern rules for dummies

This is a simple Makefile (for GNU make, see http://www.gnu.org/software/make/) which I am publishing as a reference to my poor little brain. Who know ? Maybe it can prove useful for someone else. I even inserted some comments.


My problem was easy : I am given some RRA files (http://oss.oetiker.ch/rrdtool/) that need to be rendered as PNG. I am willing to render to PNG using an XSL stylesheet although I am aware 'rrdtool graph' would handle this anyway in one shot.

I want fun.


What is the point in having rrdtool handling all the stuff for you without learning anything new in the process ? Does it feel boring ?

It does. I want fun.

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Google passe sous IIS de MicroSoft

Ca y est, Google a finit par rejoindre la cour des grands et utilise enfin un serveur web digne de ce nom. Une simple requête le confirme :

$ telnet www.google.com 80

GET / HTTP/1.0
Host: www.google.fr

HTTP/1.1 200 OK
Cache-Control: private, max-age=0
Date: Wed, 01 Apr 2009 17:06:23 GMT
Expires: -1
Content-Type: text/html; charset=UTF-8
Set-Cookie: SS=Q0=IA; path=/search
Server: IIS/3.0
Transfer-Encoding: chunked
Content-Encoding: gzip

Bravo à Google !