anchor.diff:  
           echo '#include <stdio.h>' >> foo.c
           echo '#include <limits.h>' >> foo.c
  -        echo 'int main() { printf("Hello World\n"); return 0; }' >> foo.c
  +        echo 'int main() { printf("Hello World\\n"); return 0; }' >> foo.c
           $CC -o $out/bin/foo foo.c
           $out/bin/foo
   
           echo '#include <iostream>' >> bar.cc
  -        echo 'int main() { std::cout << "Hello World\n"; }' >> bar.cc
  +        echo 'int main() { std::cout << "Hello World\\n"; }' >> bar.cc
           $CXX -v -o $out/bin/bar bar.cc
           $out/bin/bar
   
  
positive.code:         cp -d ${gnumake}/bin/* $out/bin
          cp -d ${patch}/bin/* $out/bin
          cp ${patchelf}/bin/* $out/bin
  
          cp -d ${gnugrep.pcre}/lib/libpcre*.so* $out/lib # needed by grep
  
  
negative.code:         awk --version
          grep --version
          gcc --version
          curl --version
  
          ldlinux=$(echo ${unpack}/lib/ld-linux*.so.2)
  
  