nix: build broken in a nix shell

[vincenzopalazzo]

Setting FUZZING... 0
Setting RUST... 0
Setting PYTHON... python3
@nix { "action": "setPhase", "phase": "buildPhase" }
Running phase: buildPhase
build flags: -j16 SHELL=/nix/store/087167dfxal194pm54cmcbbxsfy3cjgn-bash-5.2p26/bin/bash VERSION=v24.02
CC: gcc -DCLN_NEXT_VERSION="v24.05" -DBINTOPKGLIBEXECDIR="../libexec/c-lightning" -DCCAN_TAL_NEVER_RETURN_NULL=1 -Wall -Wundef -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes -Wold-style-definition -Werror -Wno-maybe-uninitialized -Wshadow=local -std=gnu11 -g -fstack-protector-strong -Og -I ccan -I external/libwally-core/include/ -I external/libwally-core/src/secp256k1/include/ -I external/jsmn/ -I external/libbacktrace/ -I external/gheap/ -I external/build-x86_64-unknown-linux-gnu/libbacktrace-build -I external/libsodium/src/libsodium/include -I external/libsodium/src/libsodium/include/sodium -I external/build-x86_64-unknown-linux-gnu/libsodium-build/src/libsodium/include -I . -I/usr/local/include      -DSHACHAIN_BITS=48 -DJSMN_PARENT_LINKS  -DCOMPAT_V052=1 -DCOMPAT_V060=1 -DCOMPAT_V061=1 -DCOMPAT_V062=1 -DCOMPAT_V070=1 -DCOMPAT_V072=1 -DCOMPAT_V073=1 -DCOMPAT_V080=1 -DCOMPAT_V081=1 -DCOMPAT_V082=1 -DCOMPAT_V090=1 -DCOMPAT_V0100=1 -DCOMPAT_V0121=1  -c -o
LD: gcc   -Og  config.vars  -Lexternal/build-x86_64-unknown-linux-gnu -lwallycore -lsecp256k1 -ljsmn -lbacktrace -lsodium -L/usr/local/include -lm -lsqlite3 -lz  -o
/nix/store/087167dfxal194pm54cmcbbxsfy3cjgn-bash-5.2p26/bin/bash: line 1: tools/fromschema.py: cannot execute: required file not found
/nix/store/087167dfxal194pm54cmcbbxsfy3cjgn-bash-5.2p26/bin/bash: line 1: tools/fromschema.py: cannot execute: required file not found
make: *** [doc/Makefile:175: doc/lightning-addgossip.7.md] Error 127
make: *** Waiting for unfinished jobs....
make: *** [doc/Makefile:175: doc/lightning-addpsbtoutput.7.md] Error 127
/nix/store/087167dfxal194pm54cmcbbxsfy3cjgn-bash-5.2p26/bin/bash: line 1: tools/fromschema.py: cannot execute: required file not found
make: *** [doc/Makefile:175: doc/lightning-autoclean-once.7.md] Error 127
/nix/store/087167dfxal194pm54cmcbbxsfy3cjgn-bash-5.2p26/bin/bash: line 1: tools/fromschema.py: cannot execute: required file not found
make: *** [doc/Makefile:175: doc/lightning-autoclean-status.7.md] Error 127
Version updated

Nix example https://github.com/vincenzopalazzo/lampo.rs/blob/main/flake.nix just using the current master

[vincenzopalazzo]

I think this a bug in https://github.com/NixOS/nixpkgs

But something change in our build system

[vincenzopalazzo]

possible route cause #6995

[vincenzopalazzo]

This issue will be fixed by https://github.com/NixOS/nixpkgs/pull/312458/files