* installing *source* package ‘cpp11bigwig’ ...
** using staged installation
** libs
using C++ compiler: ‘Debian clang version 19.1.6 (1)’
clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG  -I'/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -DR_NO_REMAP -c cpp11.cpp -o cpp11.o
clang++-19 -std=gnu++17 -I"/home/hornik/tmp/R/include" -DNDEBUG  -I'/home/hornik/lib/R/Library/4.5/x86_64-linux-gnu/cpp11/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -Wno-missing-template-arg-list-after-template-kw -DR_NO_REMAP -c cpp11bigwig.cpp -o cpp11bigwig.o
(cd libBigWig; make)
make[1]: Entering directory '/srv/hornik/tmp/CRAN_pretest/cpp11bigwig.Rcheck/00_pkg_src/cpp11bigwig/src/libBigWig'
make[1]: 'libBigWig.a' is up to date.
make[1]: Leaving directory '/srv/hornik/tmp/CRAN_pretest/cpp11bigwig.Rcheck/00_pkg_src/cpp11bigwig/src/libBigWig'
clang++-19 -std=gnu++17 -shared -L/home/hornik/tmp/R/lib -Wl,-O1 -o cpp11bigwig.so cpp11.o cpp11bigwig.o -L./libBigWig -lBigWig -L/home/hornik/tmp/R/lib -lR
installing to /srv/hornik/tmp/CRAN_pretest/cpp11bigwig.Rcheck/00LOCK-cpp11bigwig/00new/cpp11bigwig/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
Error: package or namespace load failed for ‘cpp11bigwig’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object '/srv/hornik/tmp/CRAN_pretest/cpp11bigwig.Rcheck/00LOCK-cpp11bigwig/00new/cpp11bigwig/libs/cpp11bigwig.so':
  /srv/hornik/tmp/CRAN_pretest/cpp11bigwig.Rcheck/00LOCK-cpp11bigwig/00new/cpp11bigwig/libs/cpp11bigwig.so: undefined symbol: bwOpen
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/srv/hornik/tmp/CRAN_pretest/cpp11bigwig.Rcheck/cpp11bigwig’