Build failure: epsonscan2

[Alexuty07]

Nixpkgs version

• Unstable (26.05)

Steps to reproduce

nix build "github:NixOS/nixpkgs/nixos-unstable#epsonscan2"

Can Hydra reproduce this build failure?

Yes, Hydra can reproduce this build failure.

Link to Hydra build job

https://hydra.nixos.org/build/317834331

Relevant log output

error: Cannot build '/nix/store/krbn9q2zkwiplhq1nrxwqk2hihj66x9v-epsonscan2-6.7.70.0-01-2025.drv'.
       Reason: builder failed with exit code 2.
       Output paths:
         /nix/store/cqj3mjqhngzjdqfs6vmwvfgdp567k2zm-epsonscan2-6.7.70.0-01-2025
       Last 25 log lines:
       >   275 | z_size_t ZEXPORT gzfwrite(buf, size, nitems, file)
       >       |                  ^~~~~~~~
       > /build/source/thirdparty/zlib/gzwrite.c: In function 'gzputc':
       > /build/source/thirdparty/zlib/gzwrite.c:305:13: warning: old-style function definition [-Wold-style-definition]
       >   305 | int ZEXPORT gzputc(file, c)
       >       |             ^~~~~~
       > /build/source/thirdparty/zlib/gzwrite.c: In function 'gzputs':
       > /build/source/thirdparty/zlib/gzwrite.c:353:13: warning: old-style function definition [-Wold-style-definition]
       >   353 | int ZEXPORT gzputs(file, str)
       >       |             ^~~~~~
       > /build/source/thirdparty/zlib/gzwrite.c: In function 'gzflush':
       > /build/source/thirdparty/zlib/gzwrite.c:554:13: warning: old-style function definition [-Wold-style-definition]
       >   554 | int ZEXPORT gzflush(file, flush)
       >       |             ^~~~~~~
       > /build/source/thirdparty/zlib/gzwrite.c: In function 'gzsetparams':
       > /build/source/thirdparty/zlib/gzwrite.c:586:13: warning: old-style function definition [-Wold-style-definition]
       >   586 | int ZEXPORT gzsetparams(file, level, strategy)
       >       |             ^~~~~~~~~~~
       > /build/source/thirdparty/zlib/gzwrite.c: In function 'gzclose_w':
       > /build/source/thirdparty/zlib/gzwrite.c:628:13: warning: old-style function definition [-Wold-style-definition]
       >   628 | int ZEXPORT gzclose_w(file)
       >       |             ^~~~~~~~~
       > [ 60%] Linking CXX shared library /tmp/build/libepsonscan2.so
       > [ 60%] Built target epsonscan2
       > make: *** [Makefile:136: all] Error 2

Additional context

No response

System metadata

• system: "x86_64-linux"
• host os: Linux 6.18.2, NixOS, 26.05 (Yarara), 26.05.20251228.c0b0e0f
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.31.2+1
• nixpkgs: /nix/store/7nvf66nqr09mvcvbm3rpgdx4sasqqz3r-nixpkgs/nixpkgs

Notify maintainers

@james-atkins

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[thegu5]

Relevant error message from the hydra log:

/build/source/src/ES2Command/Linux/../Src/Utils/ESAccessor.h:177:17: error: 'const class CESAccessor::CSetterFunc<_ValueType>' has no member named 'func'; did you mean 'm_func'? [-Wtemplate-body]

[james-atkins]

Could you see whether #475916 fixes this?

[Alexuty07]

Could you see whether #475916 fixes this?

Builds fine for me :D

[Shawn8901]

Could you see whether #475916 fixes this?

Builds fine for me :D

You could consider approving the PR and/or leaving a comment in that case, so that nixpkgs-commiters see that the PR is okay for multiple people, that might help them in judging if something is mergable.

[Alexuty07]

Could you see whether #475916 fixes this?

Builds fine for me :D

You could consider approving the PR and/or leaving a comment in that case, so that nixpkgs-commiters see that the PR is okay for multiple people, that might help them in judging if something is mergable.

Done! thanks for the pointer, I'm still learning about how to properly contribute here :)