* using log directory ‘/Users/ripley/R/packages/tests-devel/plogr.Rcheck’ * using R Under development (unstable) (2026-01-29 r89353) * using platform: aarch64-apple-darwin25.2.0 * R was compiled by Apple clang version 17.0.0 (clang-1700.6.3.2) GNU Fortran (GCC) 14.2.0 * running under: macOS Tahoe 26.2 * using session charset: UTF-8 * using option ‘--no-stop-on-test-error’ * checking for file ‘plogr/DESCRIPTION’ ... OK * this is package ‘plogr’ version ‘0.2.0’ * package encoding: UTF-8 * checking package namespace information ... OK * checking package dependencies ... OK * checking if this is a source package ... OK * checking if there is a namespace ... OK * checking for executable files ... OK * checking for hidden files and directories ... OK * checking for portable file names ... OK * checking for sufficient/correct file permissions ... OK * checking whether package ‘plogr’ can be installed ... OK * checking installed package size ... OK * checking package directory ... OK * checking DESCRIPTION meta-information ... OK * checking top-level files ... OK * checking for left-over files ... OK * checking index information ... OK * checking package subdirectories ... OK * checking code files for non-ASCII characters ... OK * checking R files for syntax errors ... OK * checking whether the package can be loaded ... OK * checking whether the package can be loaded with stated dependencies ... OK * checking whether the package can be unloaded cleanly ... OK * checking whether the namespace can be loaded with stated dependencies ... OK * checking whether the namespace can be unloaded cleanly ... OK * checking loading without being on the library search path ... OK * checking use of S3 registration ... OK * checking dependencies in R code ... OK * checking S3 generic/method consistency ... OK * checking replacement functions ... OK * checking foreign function calls ... OK * checking R code for possible problems ... OK * checking Rd files ... OK * checking Rd metadata ... OK * checking Rd cross-references ... OK * checking for missing documentation entries ... OK * checking for code/documentation mismatches ... OK * checking Rd \usage sections ... OK * checking Rd contents ... OK * checking for unstated dependencies in examples ... OK * checking LazyData ... INFO 'LazyData' is specified without a 'data' directory * checking line endings in C/C++/Fortran sources/headers ... OK * checking pragmas in C/C++ headers and code ... OK * checking examples ... ERROR Running examples in ‘plogr-Ex.R’ failed The error most likely occurred in: > ### Name: plogr-package > ### Title: plogr: The 'plog' C++ Logging Library > ### Aliases: plogr plogr-package > > ### ** Examples > > plogr_demo <- Rcpp::cppFunction(depends = "plogr", ' + // C++ code begin + #include + + RObject plogr_demo() { + plog::init_r(plog::info); + LOG_INFO << "shown"; + LOG_DEBUG << "not shown"; + plog::init_r("DEBUG"); + LOG_DEBUG << "shown now"; + return R_NilValue; + } + + #include // not necessary to use plogr + // C++ code end + ' + ) using C++ compiler: ‘Apple clang version 17.0.0 (clang-1700.6.3.2)’ using SDK: ‘MacOSX26.2.sdk’ clang++ -mmacos-version-min=26 -std=gnu++20 -I"/Users/ripley/R/R-devel/include" -DNDEBUG -I"/Users/ripley/R/Library/Rcpp/include" -I"/Users/ripley/R/packages/tests-devel/plogr.Rcheck/plogr/include" -I"/private/var/folders/pk/n4bndnt1287ctrd_ftthnnnr0000gp/T/RtmprszKSD/working_dir/RtmpHJC0Ml/sourceCpp-aarch64-apple-darwin25.2.0-1.1.1" -isystem /opt/R/arm64/include -fPIC -g -O2 -Wall -pedantic -Wconversion -Wno-sign-conversion -c file116485a817e59.cpp -o file116485a817e59.o In file included from file116485a817e59.cpp:4: In file included from /Users/ripley/R/packages/tests-devel/plogr.Rcheck/plogr/include/plogr.h:4: In file included from /Users/ripley/R/packages/tests-devel/plogr.Rcheck/plogr/include/plog/Log.h:7: /Users/ripley/R/packages/tests-devel/plogr.Rcheck/plogr/include/plog/Record.h:37:23: error: overload resolution selected deleted operator '<<' 37 | m_message << data; | ~~~~~~~~~ ^ ~~~~ /Users/ripley/R/packages/tests-devel/plogr.Rcheck/plogr/include/plog/Record.h:30:19: note: in instantiation of function template specialization 'plog::Record::operator<<' requested here 30 | *this << str; | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:623:31: note: candidate function [with _Traits = std::char_traits] has been explicitly deleted 623 | basic_ostream& operator<<(basic_ostream&, const wchar_t*) = delete; | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:140:18: note: candidate function 140 | basic_ostream& operator<<(bool __n); | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:152:18: note: candidate function 152 | basic_ostream& operator<<(const void* __p); | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:346:55: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'char' for 2nd argument 346 | _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __os, char __cn) { | ^ ~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:373:53: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'char' for 2nd argument 373 | _LIBCPP_HIDE_FROM_ABI basic_ostream& operator<<(basic_ostream& __os, char __c) { | ^ ~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:378:53: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'signed char' for 2nd argument 378 | _LIBCPP_HIDE_FROM_ABI basic_ostream& operator<<(basic_ostream& __os, signed char __c) { | ^ ~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:383:53: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'unsigned char' for 2nd argument 383 | _LIBCPP_HIDE_FROM_ABI basic_ostream& operator<<(basic_ostream& __os, unsigned char __c) { | ^ ~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:395:1: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'const char *' for 2nd argument 395 | operator<<(basic_ostream<_CharT, _Traits>& __os, const char* __strn) { | ^ ~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:434:53: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'const char *' for 2nd argument 434 | _LIBCPP_HIDE_FROM_ABI basic_ostream& operator<<(basic_ostream& __os, const char* __str) { | ^ ~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:440:1: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'const signed char *' for 2nd argument 440 | operator<<(basic_ostream& __os, const signed char* __str) { | ^ ~~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:447:1: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'const unsigned char *' for 2nd argument 447 | operator<<(basic_ostream& __os, const unsigned char* __str) { | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:585:1: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'const error_code' for 2nd argument 585 | operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __ec) { | ^ ~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:620:31: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'wchar_t' for 2nd argument 620 | basic_ostream& operator<<(basic_ostream&, wchar_t) = delete; | ^ ~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:641:31: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'char8_t' for 2nd argument 641 | basic_ostream& operator<<(basic_ostream&, char8_t) = delete; | ^ ~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:647:31: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'const char8_t *' for 2nd argument 647 | basic_ostream& operator<<(basic_ostream&, const char8_t*) = delete; | ^ ~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:654:31: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'char16_t' for 2nd argument 654 | basic_ostream& operator<<(basic_ostream&, char16_t) = delete; | ^ ~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:657:31: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'char32_t' for 2nd argument 657 | basic_ostream& operator<<(basic_ostream&, char32_t) = delete; | ^ ~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:660:31: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'const char16_t *' for 2nd argument 660 | basic_ostream& operator<<(basic_ostream&, const char16_t*) = delete; | ^ ~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:663:31: note: candidate function template not viable: no known conversion from 'const wchar_t[2]' to 'const char32_t *' for 2nd argument 663 | basic_ostream& operator<<(basic_ostream&, const char32_t*) = delete; | ^ ~~~~~~~~~~~~~~~ /Users/ripley/R/Library/Rcpp/include/Rcpp/complex.h:76:23: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'const Rcomplex' for 2nd argument 76 | inline std::ostream & operator<<(std::ostream &os, const Rcomplex& cplx) { | ^ ~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:341:55: note: candidate template ignored: deduced conflicting types for parameter '_CharT' ('char' vs. 'const wchar_t *') 341 | _LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __os, _CharT __c) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:389:1: note: candidate template ignored: deduced conflicting types for parameter '_CharT' ('char' vs. 'wchar_t') 389 | operator<<(basic_ostream<_CharT, _Traits>& __os, const _CharT* __str) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__cstddef/byte.h:63:38: note: candidate template ignored: requirement 'is_integral::value' was not satisfied [with _Integer = const wchar_t *] 63 | _LIBCPP_HIDE_FROM_ABI constexpr byte operator<<(byte __lhs, _Integer __shift) noexcept { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__random/uniform_int_distribution.h:234:1: note: candidate template ignored: could not match 'const uniform_int_distribution<_IT>' against 'const wchar_t[2]' 234 | operator<<(basic_ostream<_CharT, _Traits>& __os, const uniform_int_distribution<_IT>& __x) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:566:33: note: candidate template ignored: requirement 'integral_constant::value' was not satisfied [with _Stream = util::nstringstream &, _Tp = wchar_t[2]] 566 | _LIBCPP_HIDE_FROM_ABI _Stream&& operator<<(_Stream&& __os, const _Tp& __x) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:573:1: note: candidate template ignored: could not match 'const basic_string<_CharT, _Traits, _Allocator>' against 'const wchar_t[2]' 573 | operator<<(basic_ostream<_CharT, _Traits>& __os, const basic_string<_CharT, _Traits, _Allocator>& __str) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:579:1: note: candidate template ignored: could not match 'basic_string_view<_CharT, _Traits>' against 'const wchar_t *' 579 | operator<<(basic_ostream<_CharT, _Traits>& __os, basic_string_view<_CharT, _Traits> __sv) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:591:1: note: candidate template ignored: could not match 'const shared_ptr<_Yp>' against 'const wchar_t[2]' 591 | operator<<(basic_ostream<_CharT, _Traits>& __os, shared_ptr<_Yp> const& __p) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:605:1: note: candidate template ignored: could not match 'const unique_ptr<_Yp, _Dp>' against 'const wchar_t[2]' 605 | operator<<(basic_ostream<_CharT, _Traits>& __os, unique_ptr<_Yp, _Dp> const& __p) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:611:1: note: candidate template ignored: could not match 'const bitset<_Size>' against 'const wchar_t[2]' 611 | operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:626:34: note: candidate template ignored: could not match 'basic_ostream' against 'util::basic_stringstream' 626 | basic_ostream& operator<<(basic_ostream&, char16_t) = delete; | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:629:34: note: candidate template ignored: could not match 'basic_ostream' against 'util::basic_stringstream' 629 | basic_ostream& operator<<(basic_ostream&, char32_t) = delete; | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:632:34: note: candidate template ignored: could not match 'basic_ostream' against 'util::basic_stringstream' 632 | basic_ostream& operator<<(basic_ostream&, const char16_t*) = delete; | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:635:34: note: candidate template ignored: could not match 'basic_ostream' against 'util::basic_stringstream' 635 | basic_ostream& operator<<(basic_ostream&, const char32_t*) = delete; | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:644:34: note: candidate template ignored: could not match 'basic_ostream' against 'util::basic_stringstream' 644 | basic_ostream& operator<<(basic_ostream&, char8_t) = delete; | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:650:34: note: candidate template ignored: could not match 'basic_ostream' against 'util::basic_stringstream' 650 | basic_ostream& operator<<(basic_ostream&, const char8_t*) = delete; | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/iomanip:291:1: note: candidate template ignored: could not match 'const __iom_t8<_MoneyT>' against 'const wchar_t[2]' 291 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/iomanip:388:1: note: candidate template ignored: could not match 'const __iom_t10<_CharT>' against 'const wchar_t[2]' 388 | operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/complex:1377:1: note: candidate template ignored: could not match 'const complex<_Tp>' against 'const wchar_t[2]' 1377 | operator<<(basic_ostream<_CharT, _Traits>& __os, const complex<_Tp>& __x) { | ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:76:56: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'ostream &(*)(ostream &)' for 1st argument 76 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 basic_ostream& operator<<(basic_ostream& (*__pf)(basic_ostream&)) { | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:81:3: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'basic_ios &(*)(basic_ios &)' (aka 'basic_ios> &(*)(basic_ios> &)') for 1st argument 81 | operator<<(basic_ios& (*__pf)(basic_ios&)) { | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:86:56: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'ios_base &(*)(ios_base &)' for 1st argument 86 | inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 basic_ostream& operator<<(ios_base& (*__pf)(ios_base&)) { | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:141:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'short' for 1st argument 141 | basic_ostream& operator<<(short __n); | ^ ~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:142:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'unsigned short' for 1st argument 142 | basic_ostream& operator<<(unsigned short __n); | ^ ~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:143:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'int' for 1st argument 143 | basic_ostream& operator<<(int __n); | ^ ~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:144:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'unsigned int' for 1st argument 144 | basic_ostream& operator<<(unsigned int __n); | ^ ~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:145:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'long' for 1st argument 145 | basic_ostream& operator<<(long __n); | ^ ~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:146:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'unsigned long' for 1st argument 146 | basic_ostream& operator<<(unsigned long __n); | ^ ~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:147:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'long long' for 1st argument 147 | basic_ostream& operator<<(long long __n); | ^ ~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:148:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'unsigned long long' for 1st argument 148 | basic_ostream& operator<<(unsigned long long __n); | ^ ~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:149:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'float' for 1st argument 149 | basic_ostream& operator<<(float __f); | ^ ~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:150:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'double' for 1st argument 150 | basic_ostream& operator<<(double __f); | ^ ~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:151:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'long double' for 1st argument 151 | basic_ostream& operator<<(long double __f); | ^ ~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:160:18: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'basic_streambuf *' (aka 'basic_streambuf> *') for 1st argument 160 | basic_ostream& operator<<(basic_streambuf* __sb); | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/v1/__ostream/basic_ostream.h:165:40: note: candidate function not viable: no known conversion from 'const wchar_t[2]' to 'nullptr_t' (aka 'std::nullptr_t') for 1st argument 165 | _LIBCPP_HIDE_FROM_ABI basic_ostream& operator<<(nullptr_t) { return *this << "nullptr"; } | ^ ~~~~~~~~~ 1 error generated. make[1]: *** [file116485a817e59.o] Error 1 make[1]: Target `all' not remade because of errors. Error in sourceCpp(code = code, env = env, rebuild = rebuild, cacheDir = cacheDir, : Error 1 occurred building shared library. Calls: -> sourceCpp Execution halted * checking PDF version of manual ... OK * checking HTML version of manual ... OK * checking for detritus in the temp directory ... OK * DONE Status: 1 ERROR See ‘/Users/ripley/R/packages/tests-devel/plogr.Rcheck/00check.log’ for details. 11.83 real 8.22 user 3.19 sys