Build failure: epkowa

[Shochraos]

Nixpkgs version

• Unstable (26.05)

Steps to reproduce

Probably another issue with the GCC 15 change. #475479

Can Hydra reproduce this build failure?

Hydra doesn’t try to build the package.

Link to Hydra build job

No response

Relevant log output

error: Cannot build '/nix/store/g0hnkjblhchjdqflw3dyq38cd2mg8lp2-iscan-2.30.4-2.drv'.
       Reason: builder failed with exit code 2.
       Output paths:
         /nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2
       Last 25 log lines:
       > make[2]: Leaving directory '/build/iscan-2.30.4/lib'
       > Making all in backend
       > make[2]: Entering directory '/build/iscan-2.30.4/backend'
       > Making all in .
       > make[3]: Entering directory '/build/iscan-2.30.4/backend'
       > /nix/store/lw117lsr8d585xs63kx5k233impyrq7q-bash-5.3p3/bin/bash ../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I..  -DPIC -DPKGDATADIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/share/iscan-data\" -DMODELDATADIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/share/iscan-data/device\" -DPKGLIBDIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/lib/iscan\" -DPKGLOCALSTATEDIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/var/lib/iscan\" -DSYSCONFDIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/etc\" -DENABLE_DEBUG=1 -DMSG_MODULE=\"epkowa\" -I.. -DBACKEND_NAME=epkowa  -fPIC -g -O2 -c -o libsane_epkowa_la-backend.lo `test -f 'backend.c' || echo './'`backend.c
       > libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I.. -DPIC -DPKGDATADIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/share/iscan-data\" -DMODELDATADIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/share/iscan-data/device\" -DPKGLIBDIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/lib/iscan\" -DPKGLOCALSTATEDIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/var/lib/iscan\" -DSYSCONFDIR=\"/nix/store/s6wxflhlqh7gf1szkr6a0fw8cf8g8i7g-iscan-2.30.4-2/etc\" -DENABLE_DEBUG=1 -DMSG_MODULE=\"epkowa\" -I.. -DBACKEND_NAME=epkowa -fPIC -g -O2 -c backend.c  -fPIC -DPIC -o .libs/libsane_epkowa_la-backend.o
       > In file included from list.h:71,
       >                  from cfg-obj.h:76,
       >                  from backend.c:80:
       > defines.h:37:3: error: cannot use keyword 'false' as enumeration constant
       >    37 |   false = 0,
       >       |   ^~~~~
       > defines.h:37:3: note: 'false' is a keyword with '-std=c23' onwards
       > defines.h:39:3: error: expected ';', identifier or '(' before 'bool'
       >    39 | } bool;
       >       |   ^~~~
       > defines.h:39:3: warning: useless type name in empty declaration
       > make[3]: *** [Makefile:825: libsane_epkowa_la-backend.lo] Error 1
       > make[3]: Leaving directory '/build/iscan-2.30.4/backend'
       > make[2]: *** [Makefile:840: all-recursive] Error 1
       > make[2]: Leaving directory '/build/iscan-2.30.4/backend'
       > make[1]: *** [Makefile:448: all-recursive] Error 1
       > make[1]: Leaving directory '/build/iscan-2.30.4'
       > make: *** [Makefile:377: 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
• channels(root): "nixos-25.05"
• nixpkgs: /nix/store/xzl5dhddgjxp2p18h5qpkhvlkp8128j1-source

Notify maintainers

@symphorien @dominikh

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[symphorien]

please test #476634