On 17 August 2012 at 11:44, Cule, Erika wrote:
| If so, I still don't understand what happens when I compile the package if
GSL is not installed on the computer, as there will still be C code in the src
directory.
That is precisely the use case for autoconf et al.
You test if something (here GSL) is available (and there are macros and
examples for in many places) and then define a header file variable such as
I_HAVE_FOUND_GSL as 1 or 0, say. In your C code, you then use something like
#if I_HAVE_FOUND_GSL == 1
some code
#endif
Now your code compiles in both cases.
Alternatively, you just depend on the GSL. Many packages on CRAN do, and the
Windows build infrastructure provides it.
Dirk
--
Dirk Eddelbuettel | e...@debian.org | http://dirk.eddelbuettel.com
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