anchor.diff:          ln -svf $cfg $out/bin/ncurses$newsuffix-config
   
           # Allow for end users who #include <ncurses?w/*.h>
  -        rm -f $out/include/ncurses$newsuffix
           ln -svf . $out/include/ncurses$newsuffix
   
           for lib in $libs; do
  
positive.code:     make "SHELL=${stdenv.shell}" -j $NIX_BUILD_CORES
      make "SHELL=${stdenv.shell}" -j $NIX_BUILD_CORES install
      ln -sv libgpm.so.2 $out/lib/libgpm.so
      for file in $(find $out -not -type d); do
        GPM_FILES["$file"]=1
      done
      popd
  
negative.code:       cfg=$(basename $out/bin/ncurses*-config)
  
        # symlink the full suffixed include directory
        ln -svf . $out/include/ncurses$suffix
  
        for newsuffix in $suffixes ""; do
  