Installation output for discount [fail]

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Installation time: 0s

/home/mario/local/chicken-4.8.0.3/bin/chicken-install  -prefix /home/mario/salmonella/4.8.0.3/8/repo
retrieving ...
checking platform for `discount' ...
checking dependencies for `discount' ...
install order:
("discount")
installing discount: ...
changing current directory to .
  /home/mario/local/chicken-4.8.0.3/bin/csi -bnq -setup-mode -e "(require-library setup-api)" -e "(import setup-api)" -e "(setup-error-handling)" -e "(extension-name-and-version '(\"discount\" \"\"))" -e "(destination-prefix \"/home/mario/salmonella/4.8.0.3/8/repo\")" -e "(runtime-prefix \"/home/mario/salmonella/4.8.0.3/8/repo\")" discount.setup
  /home/mario/local/chicken-4.8.0.3/bin/csc -feature compiling-extension -setup-mode    -s discount.scm -j discount -lmarkdown
discount.c:13:19: fatal error: mkdio.h: No such file or directory
compilation terminated.

Error: shell command terminated with non-zero exit status 256: gcc discount.c -o discount.o -c  -fno-strict-aliasing -fwrapv -DHAVE_CHICKEN_CONFIG_H -DC_ENABLE_PTABLES -Os -fomit-frame-pointer -fPIC -DPIC -DC_SHARED -I"/home/mario/local/chicken-4.8.0.3/include/chicken" -I"/home/mario/salmonella/4.8.0.3/8/repo/include/chicken"

Error: shell command failed with nonzero exit status 256:

  /home/mario/local/chicken-4.8.0.3/bin/csc -feature compiling-extension -setup-mode    -s discount.scm -j discount -lmarkdown


Error: shell command terminated with nonzero exit code
17920
"/home/mario/local/chicken-4.8.0.3/bin/csi -bnq -setup-mode -e \"(require-librar...