Fatima,
it means you don't have command line tools installed (they are independent of
Xcode and Apple OS upgrades delete things, unfortunately) - try
sudo xcode-select —install
That should fix the error you see. However, Catalina broke more things so you
may look at the links Dirk pointed out if you get new errors.
Cheers,
Simon
> On Dec 27, 2019, at 8:16 PM, Fatima Batool <gbatoolfat...@gmail.com> wrote:
>
> Hi all,
>
> Could anyone please advice what is going on in the following error and how
> can I fix it?
>
> sourceCpp("/Users/fatimabatool/documents/New/Rcodes/trial.cpp")
> 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"/Users/fatimabatool/Documents/New/Rcodes" -isysroot
> /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include
> -fPIC -Wall -g -O2 -c trial.cpp -o trial.o
> Error in sourceCpp("/Users/fatimabatool/documents/New/Rcodes/trial.cpp") :
> Error 1 occurred building shared library.
> clang: warning: no such sysroot directory:
> '/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk' [-Wmissing-sysroot]
> In file included from trial.cpp:9:
> In file included from /Users/fatimabatool/Documents/New/Rcodes/trial.hpp:12:
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/stdio.h:108:15:
> fatal error: 'stdio.h' file not found
> #include_next <stdio.h>
> ^~~~~~~~~
> 1 error generated.
> make: *** [trial.o] Error 1
>
>
> I was able to source all .cpp files before system updates. I have recently
> updated my MacOS to Catalina (10.15.2) and using Xcode 11.3. I am working in
> R Action of the Toe. Using version 1.0.3 of Rcpp. I have clang version 4.0.1.
>
> I have Library/Developer but no ../CommandLineTools/SDKs/MAcOSX.sdk
> subdirectories exist there.
>
>
>
> Best wishes,
> Fatima
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