[R] configure in libraries

[Kurt Hornik]

>>>>> Michael Lapsley writes:

> Dear list,

> What is the correct approved way to abort a library install if the c
> fails to build?  I am tarting up my odbc library, and I would like to
> stop the install process if the needed header files and libraries are
> not present on the system.  Error messages flash past so fast that it
> is easy to miss their significance.

If compilation gives an error the install script stops, and as `src' is
tried before R code and documentation, nothing should get installed.

However, the right way is to use the configure/cleanup mechanism.  Have
a look at the `e1071' package.

-k
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