Le 31/10/2013 15:59, baptiste auguie a écrit :
Dear Rcpp gurus,
Today a CRAN maintainer informed us of the failure of a few Rcpp-related
packages to build under the new version of the Mac operating system, OS
X 10.9 aka Mavericks.
I do have access to a Mac, but I'm reluctant (in fact, unable) to update
to Mavericks, therefore I'm in the dark when it comes to fixing /testing
for the errors reported in the log file. On a positive note, it appears
at first sight that most of the errors are relatively benign, and
similar-looking issues are reported for all the packages involved. That
gives me hope that once the underlying issue is well identified, most
packages can be fixed with minimal changes.
Here's the info we were given from CRAN,
"OS X 10.9 (aka Mavericks) has a new C++ compiler, clang++ with libcxx
headers/runtime. Your package fails to compile with that compiler: see
the appropriate log at http://www.stats.ox.ac.uk/pub/__bdr/Mavericks/
<http://www.stats.ox.ac.uk/pub/bdr/Mavericks/> ."
My two packages are cda and planar. The error seems to occur in the
Modules definition, e.g. from this line in my code
https://github.com/baptiste/planar/blob/master/src/multilayer.cpp#L231
where "function" is judged ambiguous, as far as I understand. This
"function" is presumably something from
Rcpp/include/Rcpp/module/Module_generated_function.h but I am not
familiar with that code.
Any ideas, hints?
Best regards,
baptiste
I sent you a pull request on github.
.function abuses the compiler recognition, it is just unfortunate that
something else is called function, which is what confused it.
Not sure there could be defenses against it.
In the meantime, you should be fine by just using Rcpp::function
Also, for such trivial uses of modules (i.e. no classes), maybe it is
worth considering using // [[Rcpp::export]] and code generation given by
compileAttributes instead of modules.
Romain
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Romain Francois
Professional R Enthusiast
+33(0) 6 28 91 30 30
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