title: Makefile.win:1: ***missing separator. Stop
body: <p>I know this error relates to missing TAB, but I somehow cannot find out where on line 1 is the tab missing:</p>
  
  <p>Makefile:</p>
  
  <pre><code>## -*- mode: make; tab-width: 8; -*-
  ##
  ## Simple Makefile
  ##
  ## TODO: 
  ##  proper configure for non-Debian file locations,   [ Done ]
  ##  allow RHOME to be set for non-default R etc
  
  ## comment this out if you need a different version of R, 
  ## and set set R_HOME accordingly as an environment variable
  
  R_HOME =        $(shell R RHOME)
  
  sources =       $(wildcard *.cpp)
  programs =      $(sources:.cpp=)
  
  
  ## include headers and libraries for R 
  RCPPFLAGS =         $(shell $(R_HOME)/bin/R CMD config --cppflags)
  RLDFLAGS =      $(shell $(R_HOME)/bin/R CMD config --ldflags)
  RBLAS =         $(shell $(R_HOME)/bin/R CMD config BLAS_LIBS)
  RLAPACK =       $(shell $(R_HOME)/bin/R CMD config LAPACK_LIBS)
  
  ## if you need to set an rpath to R itself, also uncomment
  #RRPATH :=      -Wl,-rpath,$(R_HOME)/lib
  
  ## include headers and libraries for Rcpp interface classes
  RCPPINCL =      $(shell echo 'Rcpp:::CxxFlags()' | $(R_HOME)/bin/R --vanilla --slave)
  RCPPLIBS =      $(shell echo 'Rcpp:::LdFlags()'  | $(R_HOME)/bin/R --vanilla --slave)
  
  
  ## include headers and libraries for RInside embedding classes
  RINSIDEINCL =       $(shell echo 'RInside:::CxxFlags()' | $(R_HOME)/bin/R --vanilla --slave)
  RINSIDELIBS =       $(shell echo 'RInside:::LdFlags()'  | $(R_HOME)/bin/R --vanilla --slave)
  
  ## compiler etc settings used in default make rules
  CXX =           $(shell $(R_HOME)/bin/R CMD config CXX)
  CPPFLAGS =      -Wall $(shell $(R_HOME)/bin/R CMD config CPPFLAGS)
  CXXFLAGS =      $(RCPPFLAGS) $(RCPPINCL) $(RINSIDEINCL) $(shell $(R_HOME)/bin/R CMD 
  
  config CXXFLAGS)
  LDLIBS =        $(RLDFLAGS) $(RRPATH) $(RBLAS) $(RLAPACK) $(RCPPLIBS) $(RINSIDELIBS)
  
  all: $(programs)
      @test -x /usr/bin/strip &amp;&amp; strip $^
  
  run: $(programs)
      @for p in $(programs); do echo; echo "Running $$p:"; ./$$p; done
  
  clean:
      rm -vf $(programs)
      rm -vrf *.dSYM
  
  runAll:
      for p in $(programs); do echo "Running $$p"; ./$$p; done
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/1Qpof.png" alt="enter image description here"></p>