* installing *source* package ‘BoundIRT’ ... ** this is package ‘BoundIRT’ version ‘0.0.1’ ** using staged installation ** libs specified C++17 using C++ compiler: ‘Debian clang version 21.1.8 (3+b1)’ using C++17 clang++-21 -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG -I"../inst/include" -I"/home/hornik/lib/R/Library/4.7/x86_64-linux-gnu/StanHeaders/include/src" -DBOOST_DISABLE_ASSERTS -DEIGEN_NO_DEBUG -DBOOST_MATH_OVERFLOW_ERROR_POLICY=errno_on_error -DUSE_STANC3 -D_HAS_AUTO_PTR_ETC=0 -I'/home/hornik/lib/R/Library/4.7/x86_64-linux-gnu/BH/include' -I'/home/hornik/lib/R/Library/4.7/x86_64-linux-gnu/Rcpp/include' -I'/home/hornik/lib/R/Library/4.7/x86_64-linux-gnu/RcppEigen/include' -I'/home/hornik/lib/R/Library/4.7/x86_64-linux-gnu/RcppParallel/include' -I'/home/hornik/lib/R/Library/4.7/x86_64-linux-gnu/rstan/include' -I'/home/hornik/lib/R/Library/4.7/x86_64-linux-gnu/StanHeaders/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -I'/home/hornik/lib/R/Library/4.7/x86_64-linux-gnu/RcppParallel/include' -D_REENTRANT -DSTAN_THREADS -Wa,-mbig-obj -fpic -g -O3 -Wall -pedantic -c RcppExports.cpp -o RcppExports.o clang++-21: error: unsupported argument '-mbig-obj' to option '-Wa,' make: *** [/home/hornik/tmp/R-d-clang-21/etc/Makeconf:197: RcppExports.o] Error 1 ERROR: compilation failed for package ‘BoundIRT’ * removing ‘/srv/hornik/tmp/CRAN_pretest/BoundIRT.Rcheck/BoundIRT’