* installing *source* package 'fru' ...
** this is package 'fru' version '0.0.2'
** using staged installation

   **********************************************
   WARNING: this package has a configure script
         It probably needs manual configuration
   **********************************************


** libs
Makevars.win:13: *** missing separator (did you mean TAB instead of 8 spaces?).  Stop.
Warning in system(paste(MAKE, p1(paste("-f", shQuote(makefiles))), "compilers"),  :
  running command 'make -f "Makevars.win" -f "D:/RCompile/recent/R/etc/x64/Makeconf" -f "D:/RCompile/recent/R/share/make/winshlib.mk" compilers' had status 2
Makevars.win:13: *** missing separator (did you mean TAB instead of 8 spaces?).  Stop.
ERROR: compilation failed for package 'fru'
* removing 'd:/RCompile/CRANincoming/R-devel/lib/fru'