* using log directory 'd:/Rcompile/CRANpkg/local/4.5/rtrend.Rcheck'
* using R Under development (unstable) (2024-12-21 r87453 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 13.3.0
    GNU Fortran (GCC) 13.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* checking for file 'rtrend/DESCRIPTION' ... OK
* this is package 'rtrend' version '0.1.5'
* 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 hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'rtrend' can be installed ... ERROR
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.5/rtrend.Rcheck/00install.out' for details.
* DONE
The installation logfile:
* installing *source* package 'rtrend' ...
** package 'rtrend' successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C++ compiler: 'g++.exe (GCC) 13.3.0'
make[1]: Entering directory '/d/temp/2024_12_22_01_50_00_26287/RtmpempYBU/R.INSTALL10e4867231218/rtrend/src'
g++ -std=gnu++17  -I"D:/RCompile/recent/R/include" -DNDEBUG  -I'D:/RCompile/CRANpkg/lib/4.5/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.5/RcppArmadillo/include'   -I"d:/rtools44/x86_64-w64-mingw32.static.posix/include"   -fopenmp    -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign  -DR_NO_REMAP -c RcppExports.cpp -o RcppExports.o
g++ -std=gnu++17  -I"D:/RCompile/recent/R/include" -DNDEBUG  -I'D:/RCompile/CRANpkg/lib/4.5/Rcpp/include' -I'D:/RCompile/CRANpkg/lib/4.5/RcppArmadillo/include'   -I"d:/rtools44/x86_64-w64-mingw32.static.posix/include"   -fopenmp    -pedantic -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign  -DR_NO_REMAP -c mktrend.cpp -o mktrend.o
In file included from D:/RCompile/CRANpkg/lib/4.5/Rcpp/include/RcppCommon.h:76,
                 from D:/RCompile/CRANpkg/lib/4.5/Rcpp/include/Rcpp.h:27,
                 from mktrend.cpp:1:
D:/RCompile/recent/R/include/Rmath.h:347:25: error: ambiguating new declaration of 'int Rf_sign(double)'
  347 | #define sign            Rf_sign
      |                         ^~~~~~~
mktrend.cpp:35:5: note: in expansion of macro 'sign'
   35 | int sign(double x) {
      |     ^~~~
D:/RCompile/recent/R/include/Rmath.h:601:9: note: old declaration 'double Rf_sign(double)'
  601 | double  Rf_sign(double);
      |         ^~~~~~~
make[1]: *** [D:/RCompile/recent/R/etc/x64/Makeconf:297: mktrend.o] Error 1
make[1]: Leaving directory '/d/temp/2024_12_22_01_50_00_26287/RtmpempYBU/R.INSTALL10e4867231218/rtrend/src'
ERROR: compilation failed for package 'rtrend'
* removing 'd:/Rcompile/CRANpkg/lib/4.5/rtrend'
* restoring previous 'd:/Rcompile/CRANpkg/lib/4.5/rtrend'