"chk" test program compilation instructions

crux-00011: $SRC/silly/COMPILING.chk

* The "chk" command

  The "chk" command ("silly/chk") is a silly command line
  program used to exercise the "chk" library functions.

  It sets the allocation limit to 128 bytes.

  Then, it exercises the "chk" functions by allocating a
  contiguous region containing all arguments to the program,

  If all goes well,  the concatenated string is printed.

* Compilation

  Suggested recipe:

	% cd silly
        % gcc -I.. -o chk -g -Wall chk.c ../utils/*.c