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Rcplex log file (build_win64)

Thu Apr 20 17:50:20 2023: Building binary for package Rcplex (SVN revision 40)
using R version 4.2.3 Patched (2023-04-13 r84280 ucrt) ...

* installing to library 'R:/lib/local/4.2'
* installing *source* package 'Rcplex' ...
** using staged installation
** libs
gcc  -I"R:/lib/R/R-patched/include" -DNDEBUG -D_LP64 -I"/include"    -I"C:/rtools42/x86_64-w64-mingw32.static.posix/include"     -O2 -Wall  -std=gnu99 -mfpmath=sse -msse2 -mstackrealign  -c Rcplex.c -o Rcplex.o
In file included from Rcplex.c:2:
Rcplex.h:4:10: fatal error: ilcplex/cplex.h: No such file or directory
    4 | #include 
      |          ^~~~~~~~~~~~~~~~~
compilation terminated.
make: *** [R:/lib/R/R-patched/etc/x64/Makeconf:253: Rcplex.o] Error 1
ERROR: compilation failed for package 'Rcplex'
* removing 'R:/lib/local/4.2/Rcplex'
Run time: 3.94 seconds.