i am in the process of packaging uf2 when i stumble into a kind-of-weird
bug.
building the definition below (in bootloaders.scm) on top of
fbf8b81971475ee712338f1c955be6ac44099fac fails in the build phase
> error: [Errno 2] No such file or directory:
> '/tmp/guix-build-python2-2.7.18.drv-0/Python-2.7.18/Modules/_ctypes/libffi'
--8<---------------cut here---------------start------------->8---
(define-public uf2-samdx1
(let* ((commit "a3395d547b0bbe92676214be68e5cec1a2dbba1b")
(revision "0")
(board "trellis_m4"
;"pewpew_m4";"metro_m0"
;"dadamachines-automat"
)
(triplet "arm-linux-gnueabihf")
(native-build? (lambda _
(or (not triplet) ;disable cross-compilation
(string=? (%current-system)
(gnu-triplet->nix-system triplet))))))
(package
(name "uf2-samdx1")
(version (git-version "3.4.0" revision commit))
(source (origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/Microsoft/uf2-samdx1";)
(commit commit)
(recursive? #t)))
(file-name (git-file-name name version))
(sha256
(base32
"11gn8aq9i20pl55bcpxw6ba0wl1a7n8qz25ibv18kl0dc4d18rrh"))))
(build-system gnu-build-system)
(arguments
(list #:target (and (not (native-build?)) triplet)
#:make-flags
#~(list (string-append "BOARD=" #$board)
#$@(if (not (native-build?))
(list (string-append "CROSS_COMPILE=" triplet
;;"-" ; final dash necessary?
))
'()))
#:phases #~(modify-phases %standard-phases
(add-after 'configure 'patch-makefile
(lambda _
(substitute* "Makefile"
(("^UF2_VERSION_BASE.*")
(string-append "UF2_VERSION_BASE = "
#$version "-guix")))))
(delete 'configure)
(add-before 'build 'create-version-header
(lambda* (#:key inputs outputs #:allow-other-keys)
(let ((dir (string-append "build/" #$board)))
(mkdir-p dir)
(with-output-to-file (string-append dir
"/uf2_version.h")
(lambda _
(display
(format #f "#define UF2_VERSION_BASE
\"v~a-guix\""
#$version))))))))))
(inputs (list ;python-wrapper
python-2
))
(native-inputs (list (make-arm-none-eabi-toolchain-12.3.rel1)
(make-newlib-nano-arm-none-eabi-12.3.rel1)))
(home-page "https://github.com/Microsoft/uf2";)
(synopsis "Embedded bootloader")
(description "UF2, aka. USB Flashing Format allows to flash embedded
devices through dragging and dropping of uf2 files onto flash drives.")
(license license:expat))))
--8<---------------cut here---------------end--------------->8---
what puzzles me:
- the commands executed by the build phase / through the makefile are
all arm-linux-gnueabihf-gcc invocations
- python2 builds just fine
- without the python2 input the build phase goes further (until some
arm-none-eabi-objcopy invocation) but fails due to "make: python2: No
such file or directory"
is this a known issue? are there workarounds? what am i missing?
TIA
gabber
