* installing *source* package 'Rttf2pt1' ... ** this is package 'Rttf2pt1' version '1.3.13' ** using staged installation ** libs running 'src/Makefile.win' ... echo "make ttf2pt1 in ttf2pt1/ ..." make ttf2pt1 in ttf2pt1/ ... (cd ttf2pt1; /usr/bin/make -f "D:/RCompile/recent/R/etc/x64/Makeconf" -f Makefile CC="`"D:/RCompile/recent/R/bin/R" CMD config CC`" CFLAGS="`"D:/RCompile/recent/R/bin/R" CMD config CFLAGS`" ttf2pt1) gcc -pedantic -Wstrict-prototypes -O2 -Wall -std=gnu2x -mfpmath=sse -msse2 -mstackrealign -c ttf2pt1.c ttf2pt1.c:74:17: fatal error: netinet/in.h: No such file or directory 74 | # include | ^~~~~~~~~~~~~~ compilation terminated. make[1]: *** [Makefile:185: ttf2pt1.o] Error 1 make: *** [Makefile.win:21: all] Error 2 ERROR: compilation failed for package 'Rttf2pt1' * removing 'd:/RCompile/CRANincoming/R-devel/lib/Rttf2pt1' * restoring previous 'd:/RCompile/CRANincoming/R-devel/lib/Rttf2pt1'