doc: Add a few words on the term "derivation".

* doc/guix.texi (Programming Interface): Add a sentence on "derivation".
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Ludovic Courtès 2014-06-09 18:51:44 +02:00
parent f9057dba6a
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@ -1305,7 +1305,8 @@ store. To instruct the daemon to perform a build action, users actually
provide it with a @dfn{derivation}. A derivation is a low-level
representation of the build actions to be taken, and the environment in
which they should occur---derivations are to package definitions what
assembly is to C programs.
assembly is to C programs. The term ``derivation'' comes from the fact
that build results @emph{derive} from them.
This chapter describes all these APIs in turn, starting from high-level
package definitions.