Build failure: fmsynth

[nipsy]

Nixpkgs version

• Unstable (25.05)

Steps to reproduce

1. Select fmsynth for installation via whichever method.

Can Hydra reproduce this build failure?

Yes, Hydra can reproduce this build failure.

Link to Hydra build job

https://hydra.nixos.org/build/284993013

Relevant log output

error: builder for '/nix/store/1avfhgbb214gvzslgsvydf1q9bckc8ym-fmsynth-unstable-2015-02-07.drv' failed with exit code 2;
       last 25 log lines:
       > Running phase: patchPhase
       > Running phase: updateAutotoolsGnuConfigScriptsPhase
       > Running phase: configurePhase
       > no configure script, doing nothing
       > Running phase: buildPhase
       > substituteStream() in derivation fmsynth-unstable-2015-02-07: WARNING: '--replace' is deprecated, use --replace-{fail,warn,quiet}. (file 'GNUmakefile')
       > Package lvtk-gtkui-1 was not found in the pkg-config search path.
       > Perhaps you should add the directory containing `lvtk-gtkui-1.pc'
       > to the PKG_CONFIG_PATH environment variable
       > No package 'lvtk-gtkui-1' found
       > Package lvtk-gtkui-1 was not found in the pkg-config search path.
       > Perhaps you should add the directory containing `lvtk-gtkui-1.pc'
       > to the PKG_CONFIG_PATH environment variable
       > No package 'lvtk-gtkui-1' found
       > Package lvtk-plugin-1 was not found in the pkg-config search path.
       > Perhaps you should add the directory containing `lvtk-plugin-1.pc'
       > to the PKG_CONFIG_PATH environment variable
       > No package 'lvtk-plugin-1' found
       > Package lvtk-plugin-1 was not found in the pkg-config search path.
       > Perhaps you should add the directory containing `lvtk-plugin-1.pc'
       > to the PKG_CONFIG_PATH environment variable
       > No package 'lvtk-plugin-1' found
       > ttl2c fmsynth.ttl fmsynth.peg
       > make: ttl2c: No such file or directory
       > make: *** [GNUmakefile:46: fmsynth.peg] Error 127
       For full logs, run 'nix log /nix/store/1avfhgbb214gvzslgsvydf1q9bckc8ym-fmsynth-unstable-2015-02-07.drv'.

Additional context

No response

System metadata

# nix-shell -p nix-info --run "nix-info -m"
 - system: `"x86_64-linux"`
 - host os: `Linux 6.12.9, NixOS, 25.05 (Warbler), 25.05.20250113.9abb87b`
 - multi-user?: `yes`
 - sandbox: `yes`
 - version: `nix-env (Nix) 2.24.11`
 - channels(root): `"nixos"`
 - nixpkgs: `/nix/store/7hw19rbs6p20l2gxbf13la04pcs2znmz-source`

Notify maintainers

@magnetophon

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