Installation output for leveldb [fail]

Installation time: 2s

'/usr/home/chicken/salmonella/build/salmonella-run-publish/chicken/bin/chicken-install' -prefix /usr/home/chicken/salmonella/build/salmonella-run-publish/salmonella-repo/repo 2>&1
retrieving ...
checking platform for `leveldb' ...
checking dependencies for `leveldb' ...
install order:
("leveldb")
installing leveldb: ...
changing current directory to .
  '/usr/home/chicken/salmonella/build/salmonella-run-publish/chicken/bin/csi' -bnq -setup-mode -e "(require-library setup-api)" -e "(import setup-api)" -e "(setup-error-handling)" -e "(extension-name-and-version '(\"leveldb\" \"\"))" -e "(destination-prefix \"/usr/home/chicken/salmonella/build/salmonella-run-publish/salmonella-repo/repo\")" -e "(runtime-prefix \"/usr/home/chicken/salmonella/build/salmonella-run-publish/salmonella-repo/repo\")" 'leveldb.setup'
  '/usr/home/chicken/salmonella/build/salmonella-run-publish/chicken/bin/csc' -feature compiling-extension -setup-mode    -O2 -d1 -s leveldb.scm -Iinclude -lleveldb -J

Warning: in toplevel procedure `leveldb#call-with-error-pointer':
  (leveldb.scm:124) in procedure call to `##sys#foreign-string-argument', expected argument #1 of type `string' but was given an argument of type `false'
leveldb.c:13:10: fatal error: 'leveldb/c.h' file not found
#include "leveldb/c.h"
         ^~~~~~~~~~~~~
1 error generated.

Error: shell command terminated with non-zero exit status 256: 'clang' 'leveldb.c' -o 'leveldb.o' -c  -fno-strict-aliasing -fwrapv -DHAVE_CHICKEN_CONFIG_H -DC_ENABLE_PTABLES -Os -fomit-frame-pointer -fPIC -DPIC -DC_SHARED -I/usr/local/include/db6 -I/usr/local/include -Iinclude -I/usr/home/chicken/salmonella/build/salmonella-run-publish/chicken/include/chicken/ -I'/usr/home/chicken/salmonella/build/salmonella-run-publish/salmonella-repo/repo/include/chicken'

Error: shell command failed with nonzero exit status 256:

  '/usr/home/chicken/salmonella/build/salmonella-run-publish/chicken/bin/csc' -feature compiling-extension -setup-mode    -O2 -d1 -s leveldb.scm -Iinclude -lleveldb -J


Error: shell command terminated with nonzero exit code
17920
"'/usr/home/chicken/salmonella/build/salmonella-run-publish/chicken/bin/csi' -bn...