[Rcpp-devel] Cannot run rcpp due to missing include file(s)

Carl Ganz carlganz at gmail.com
Sun May 3 18:02:45 CEST 2020


I experienced similar issues on Mac and was able to fix by adding
PKG_CPPFLAGS=-I/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include
to my .R/Makevars

My understanding is that Mac no longer uses the /usr/local/include so you
need to point it to the usr/include in the Developer SDK folder

On Sun, May 3, 2020 at 8:59 AM Paul Fishwick <metaphorz at gmail.com> wrote:

>
>
> System: Mac OSX 11 (Catalina), Rstudio with R version 3.6.3 (but have also
> tried 4.0 and 3.3),
> Xcode version 11.4.1
>
> Went to:  http://adv-r.had.co.nz/Rcpp.html#rcpp-intro
>
> and tried library(rcpp) which worked fine because I previously had
> installed the rcpp package.
>
> The following yields an error in finding config.h. I did a "find" on
> config.h and sure enough it is not
> in the clang++ -I directory references. Here is what I have tried:
>
> Installing Xcode's command line tools (which were installed using
> xcode-select --install)
> Also, downloaded and installed the version of clang8 and gfortran6.1 from:
>
> https://cran.r-project.org/bin/macosx/tools/
>
> The following error occurs when I try this rcpp example from Hadley but it
> also happens whenever
> I try to install an R package from source. The compile fails due to not
> finding some include file.
>
> I would have thought that installing clang8 would have also included the
> proper include (.h) file directories
> with their contents needed by R.
>
> Is there something I am missing below? Thank you.
>
> > library(Rcpp)
> > cppFunction('int add(int x, int y, int z) {
> +   int sum = x + y + z;
> +   return sum;
> + }')
> In file included from fileb6e52d3a23c3.cpp:1:
> In file included from
> /Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include/Rcpp.h:27:
> In file included from
> /Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include/RcppCommon.h:29:
> In file included from
> /Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include/Rcpp/r/headers.h:67:
> In file included from
> /Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include/Rcpp/platform/compiler.h:100:
> In file included from
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/cmath:304:
> In file included from /usr/local/include/math.h:8:
> In file included from /usr/local/include/features.h:10:
> /usr/local/include/forwards.h:10:10: fatal error: 'config.h' file not found
> #include "config.h"
>          ^~~~~~~~~~
> 1 error generated.
> make: *** [fileb6e52d3a23c3.o] Error 1
> clang++ -std=gnu++11 -I"/Library/Frameworks/R.framework/Resources/include"
> -DNDEBUG
> -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include"
> -I"/private/var/folders/bt/1gd00p5s6n19m_bgh9b04gxc0000gp/T/RtmpRRyaky/sourceCpp-x86_64-apple-darwin15.6.0-1.0.4"
> -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
> -I/usr/local/include  -fPIC  -Wall -g -O2  -c fileb6e52d3a23c3.cpp -o
> fileb6e52d3a23c3.o
> Error in sourceCpp(code = code, env = env, rebuild = rebuild, cacheDir =
> cacheDir,  :
>   Error 1 occurred building shared library.
> >
> _______________________________________________
> Rcpp-devel mailing list
> Rcpp-devel at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/rcpp-devel/attachments/20200503/11ab6764/attachment.html>


More information about the Rcpp-devel mailing list