* using log directory 'd:/Rcompile/CRANpkg/local/4.4/Rcplex.Rcheck' * using R version 4.4.0 RC (2024-04-16 r86468 ucrt) * using platform: x86_64-w64-mingw32 * R was compiled by gcc.exe (GCC) 13.2.0 GNU Fortran (GCC) 13.2.0 * running under: Windows Server 2022 x64 (build 20348) * using session charset: UTF-8 * checking for file 'Rcplex/DESCRIPTION' ... OK * this is package 'Rcplex' version '0.3-6' * 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 'Rcplex' can be installed ... ERROR Installation failed. See 'd:/Rcompile/CRANpkg/local/4.4/Rcplex.Rcheck/00install.out' for details. * DONE The installation logfile: * installing *source* package 'Rcplex' ... ** package 'Rcplex' successfully unpacked and MD5 sums checked ** using staged installation ** libs using C compiler: 'gcc.exe (GCC) 13.2.0' make[1]: Entering directory '/d/temp/Rtmpe8xSdE/R.INSTALL31338f37943/Rcplex/src' gcc -I"D:/RCompile/recent/R/include" -DNDEBUG -D_LP64 -I"/include" -I"d:/rtools44/x86_64-w64-mingw32.static.posix/include" -pedantic -Wstrict-prototypes -O2 -Wall -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[1]: *** [D:/RCompile/recent/R/etc/x64/Makeconf:289: Rcplex.o] Error 1 make[1]: Leaving directory '/d/temp/Rtmpe8xSdE/R.INSTALL31338f37943/Rcplex/src' ERROR: compilation failed for package 'Rcplex' * removing 'd:/Rcompile/CRANpkg/lib/4.4/Rcplex'