* installing *source* package ‘fastlpr’ ...
** this is package ‘fastlpr’ version ‘1.0.0’
** using staged installation
** libs
using C++ compiler: ‘Debian clang version 21.1.8 (3+b1)’
clang++-21 -std=gnu++20 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG  -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/RcppArmadillo/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3    -DARMA_USE_FFTW3 -fpic  -g -O3 -Wall -pedantic   -c RcppExports.cpp -o RcppExports.o
clang++-21 -std=gnu++20 -I"/home/hornik/tmp/R-d-clang-21/include" -DNDEBUG  -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/RcppArmadillo/include' -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3    -DARMA_USE_FFTW3 -fpic  -g -O3 -Wall -pedantic   -c fastlpr_rcpp.cpp -o fastlpr_rcpp.o
fastlpr_rcpp.cpp:123:36: warning: suggest braces around initialization of subobject [-Wmissing-braces]
  123 |             result[idx] = Rcomplex{fft_result(k).real(), fft_result(k).imag()};
      |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                    {                                         }
fastlpr_rcpp.cpp:150:28: warning: suggest braces around initialization of subobject [-Wmissing-braces]
  150 |         carr[i] = Rcomplex{arr[i], 0.0};
      |                            ^~~~~~~~~~~
      |                            {          }
fastlpr_rcpp.cpp:318:30: warning: suggest braces around initialization of subobject [-Wmissing-braces]
  318 |         result[p] = Rcomplex{value_r, value_i};
      |                              ^~~~~~~~~~~~~~~~
      |                              {               }
fastlpr_rcpp.cpp:725:43: warning: suggest braces around initialization of subobject [-Wmissing-braces]
  725 |             result[offset + i] = Rcomplex{buf[i].real(), buf[i].imag()};
      |                                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                           {                           }
fastlpr_rcpp.cpp:771:40: warning: suggest braces around initialization of subobject [-Wmissing-braces]
  771 |                 result[idx] = Rcomplex{fft_result(i, j).real(), fft_result(i, j).imag()};
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                        {                                               }
fastlpr_rcpp.cpp:814:44: warning: suggest braces around initialization of subobject [-Wmissing-braces]
  814 |                 result[out_idx] = Rcomplex{r.real(), r.imag()};
      |                                            ^~~~~~~~~~~~~~~~~~
      |                                            {                 }
fastlpr_rcpp.cpp:1051:48: warning: suggest braces around initialization of subobject [-Wmissing-braces]
 1051 |                     result[out_idx] = Rcomplex{m_ft[in_idx].real(), 0.0};
      |                                                ^~~~~~~~~~~~~~~~~~~~~~~~
      |                                                {                       }
fastlpr_rcpp.cpp:1053:48: warning: suggest braces around initialization of subobject [-Wmissing-braces]
 1053 |                     result[out_idx] = Rcomplex{m_ft[in_idx].real(), m_ft[in_idx].imag()};
      |                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                                {                                       }
fastlpr_rcpp.cpp:1379:40: warning: suggest braces around initialization of subobject [-Wmissing-braces]
 1379 |             result[out_idx] = Rcomplex{Ftau[in_idx].real(), Ftau[in_idx].imag()};
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                        {                                       }
fastlpr_rcpp.cpp:1627:40: warning: suggest braces around initialization of subobject [-Wmissing-braces]
 1627 |             result[out_idx] = Rcomplex{Ftau[in_idx].real(), Ftau[in_idx].imag()};
      |                                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                                        {                                       }
fastlpr_rcpp.cpp:1802:30: warning: suggest braces around initialization of subobject [-Wmissing-braces]
 1802 |         result[i] = Rcomplex{Ftau[i].real(), Ftau[i].imag()};
      |                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                              {                             }
fastlpr_rcpp.cpp:1884:30: warning: suggest braces around initialization of subobject [-Wmissing-braces]
 1884 |         result[i] = Rcomplex{Ftau[i].real(), Ftau[i].imag()};
      |                              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                              {                             }
12 warnings generated.
clang++-21 -std=gnu++20 -shared -L/home/hornik/tmp/R-d-clang-21/lib -Wl,-O1 -o fastlpr.so RcppExports.o fastlpr_rcpp.o -llapack -L/home/hornik/tmp/R-d-clang-21/lib -lRblas -L/usr/lib/llvm-21/lib/clang/21/lib/linux -L/usr/lib/llvm-21/lib -lflang_rt.runtime -lm -lfftw3 -L/home/hornik/tmp/R-d-clang-21/lib -lR
installing to /srv/hornik/tmp/CRAN_pretest/fastlpr.Rcheck/00LOCK-fastlpr/00new/fastlpr/libs
** R
** inst
** preparing package for lazy loading
Error in eval(exprs[i], envir) : 
  Package 'akima' is required but not installed
Error: unable to load R code in package ‘fastlpr’
Execution halted
ERROR: lazy loading failed for package ‘fastlpr’
* removing ‘/srv/hornik/tmp/CRAN_pretest/fastlpr.Rcheck/fastlpr’