Error(s) in re-building vignettes:
--- re-building ‘my-vignette.Rmd’ using rmarkdown
make cmd is
  make -f '/data/gannet/ripley/R/R-clang/etc/Makeconf' -f '/data/gannet/ripley/R/R-clang/share/make/shlib.mk' SHLIB_LDFLAGS='$(SHLIB_CXXLDFLAGS)' SHLIB_LD='$(SHLIB_CXXLD)' SHLIB='file19ee1423a3d153.so' CXX_DEFS=-DR_NO_REMAP OBJECTS='file19ee1423a3d153.o'

make would use
make[1]: Entering directory '/tmp/Rtmpxscsm2/working_dir/RtmpOvM0Gb'
/usr/local/clang19/bin/clang++ -stdlib=libc++ -std=gnu++17 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG   -I"/data/gannet/ripley/R/packages/tests-clang/pfr.Rcheck/pfr/include/"  -I"/data/gannet/ripley/R/test-clang/Rcpp/include/"  -I"/tmp/Rtmpxscsm2/RLIBS_19bba563995539/RcppEigen/include/"  -I"/tmp/Rtmpxscsm2/RLIBS_19bba563995539/BH/include/"  -DEIGEN_NO_DEBUG  -DDROPPINGTHISINRPACKAGE   -isystem /usr/local/clang19/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -frtti -Wp,-D_FORTIFY_SOURCE=3 -Wno-missing-template-arg-list-after-template-kw  -DR_NO_REMAP -c file19ee1423a3d153.cpp -o file19ee1423a3d153.o
if test  "zfile19ee1423a3d153.o" != "z"; then \
  echo /usr/local/clang19/bin/clang++ -stdlib=libc++ -std=gnu++17 -shared  -L/usr/local/clang/lib64 -L/usr/local/clang19/lib -L/usr/local/clang19/lib/x86_64-unknown-linux-gnu -L/usr/local/gcc14/lib64 -L/usr/local/lib64 -o file19ee1423a3d153.so file19ee1423a3d153.o    ; \
  /usr/local/clang19/bin/clang++ -stdlib=libc++ -std=gnu++17 -shared  -L/usr/local/clang/lib64 -L/usr/local/clang19/lib -L/usr/local/clang19/lib/x86_64-unknown-linux-gnu -L/usr/local/gcc14/lib64 -L/usr/local/lib64 -o file19ee1423a3d153.so file19ee1423a3d153.o    ; \
fi
make[1]: Leaving directory '/tmp/Rtmpxscsm2/working_dir/RtmpOvM0Gb'

Quitting from lines 181-182 [unnamed-chunk-7] (my-vignette.Rmd)
Error: processing vignette 'my-vignette.Rmd' failed with diagnostics:
f_pf::resamplers::mn_resamp_fast1<100, 3, double>'; did you mean 'Rf_pf::rvsamp::MVNSampler'?
   62 |   rvsamp::MVNSampler<dimstate_MEAN_FACTOR_MSVOL_APF,double> m_transitionSampler;
      |   ^~~~~~~~~~~~~~~~~~
      |   Rf_pf::rvsamp::MVNSampler
/data/gannet/ripley/R/packages/tests-clang/pfr.Rcheck/pfr/include/pf/rv_samp.h:695:7: note: 'Rf_pf::rvsamp::MVNSampler' declared here
  695 | class MVNSampler : public rvsamp_base
      |       ^
file19ee1423a3d153.cpp:148:10: error: use of undeclared identifier 'rveval'
  148 |   return rveval::evalMultivNorm<dimstate_MEAN_FACTOR_MSVOL_APF, double>(x1,
      |          ^
file19ee1423a3d153.cpp:176:12: error: use of undeclared identifier 'rveval'
  176 |     return rveval::evalMultivNorm<dimstate_MEAN_FACTOR_MSVOL_APF,double>(x1,
      |            ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
5 warnings and 20 errors generated.
make[1]: *** [/data/gannet/ripley/R/R-clang/etc/Makeconf:202: file19ee1423a3d153.o] Error 1
--- failed re-building ‘my-vignette.Rmd’

SUMMARY: processing the following file failed:
  ‘my-vignette.Rmd’

Error: Vignette re-building failed.
Execution halted