File not found during package build

[phodina]

Hi All,

during package build in the phase `check` I get a strange error regarding file 
not found.

The file in question is an executable script within the directory.

It must be present there as the chmod operation succeeds.
However, invocation of make then fails as it can't find the script.

phase `build' succeeded after 0.1 seconds
starting phase `check'
make: Entering directory '/tmp/guix-build-novaboot-20210126a.drv-0/source/tests'
./wvtool runall ./novaboot.wv ./parser.wv ./expect.wv ./server.wv ./uboot.wv
make: ./wvtool: No such file or directory
make: *** [Makefile:6: all] Error 127

---
(define-public novaboot
(package
  (name "novaboot")
  (version "20210126a")
  (source (origin
            (method git-fetch)
            (uri
              (git-reference
                (url "https://github.com/wentasah/novaboot";)
                (commit version)))
            (sha256
             (base32
              "1xwgxpngjp345fg4xmacyxm21wqvx4h6n6b51wnvivvzjj9vga4z"))))
  (build-system gnu-build-system)
  (inputs `(("perl" ,perl) ("perl-expect" ,perl-expect)))
  (arguments
    '(#:phases (modify-phases %standard-phases
                (delete 'configure)
                 (add-before 'build 'set-prefix-in-makefile
                    (lambda* (#:key outputs #:allow-other-keys)
                     (let ((out (assoc-ref outputs "out")))
                        (substitute* "Makefile"
                          (("PREFIX=.*")
                           (string-append "PREFIX="
                                           "\n")))
                        (substitute* "Makefile"
                                     (("DESTDIR=.*")
                                      (string-append "DESTDIR=" out "\n"))))
                      ))
                 (replace 'check
                             (lambda* (#:key outputs #:allow-other-keys)
                                      (chdir "tests")
                                     (chmod "wvtool" #o555)
                                     (invoke "make"))))))
  (synopsis "A tool that automates booting of operating systems on target 
hardware or in qemu")
  (description "Novaboot is a tool that automates booting of operating systems 
on target hardware (typically embedded boards) or in Qemu. Initially, it was 
developed to boot NOVA Microhypervisor (hence the name), but nowadays is well 
suited for booting Linux (and perhaps other OSes) too.")
  (home-page "https://github.com/wentasah/novaboot";)
  (license license:gpl2)))