Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: eigenmath 340-unstable-2025-05-05 -> 350 https://github.com/georgeweigt/eigenmath/releases
attrpath: eigenmath
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] these 2 derivations will be built:
  /nix/store/j2qfb6dj3if9as2k6zrwp4n3c0aq72yy-unstable-update-script.drv
  /nix/store/09lbq71h7h2hym369lfhhnqrg6z3848j-packages.json.drv
this path will be fetched (1.10 MiB download, 7.53 MiB unpacked):
  /nix/store/742ik41xpll83mwfvmrlcv5h0cfd929n-ShellCheck-0.11.0
copying path '/nix/store/742ik41xpll83mwfvmrlcv5h0cfd929n-ShellCheck-0.11.0' from 'https://cache.nixos.org'...
building '/nix/store/j2qfb6dj3if9as2k6zrwp4n3c0aq72yy-unstable-update-script.drv'...
building '/nix/store/09lbq71h7h2hym369lfhhnqrg6z3848j-packages.json.drv'...

Going to be running update for following packages:
 - eigenmath-340-unstable-2025-05-05

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - eigenmath-340-unstable-2025-05-05: UPDATING ...
 - eigenmath-340-unstable-2025-05-05: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/ei/eigenmath/package.nix b/pkgs/by-name/ei/eigenmath/package.nix
index 50e839c4fd6e..0f2369f04e45 100644
--- a/pkgs/by-name/ei/eigenmath/package.nix
+++ b/pkgs/by-name/ei/eigenmath/package.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation {
   pname = "eigenmath";
-  version = "340-unstable-2025-05-05";
+  version = "350-unstable-2026-03-19";
 
   src = fetchFromGitHub {
     owner = "georgeweigt";
     repo = "eigenmath";
-    rev = "94fee6b02ebd4cd718dd9ea45583a6af2129dd28";
-    hash = "sha256-2bdO0nRXhDZlEmGRfNf6g9zwc65Ih9Ymlo6PxlpAxes=";
+    rev = "b87e915ccaa6b0b49b3fe6cc87efac6688e30f93";
+    hash = "sha256-1VnCjzWkUlQf5Rryf5lrQ4PvTgZ0/Up/sv981IHhogM=";
   };
 
   checkPhase =

No auto update branch exists
Received ExitFailure 1 when running
Raw command: nix-build --option sandbox true --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A eigenmath
nix build failed.
Running phase: buildPhase
@nix { "action": "setPhase", "phase": "buildPhase" }
build flags: SHELL=/nix/store/v8sa6r6q037ihghxfbwzjj4p59v2x0pv-bash-5.3p9/bin/bash
gcc -Wall -O0 -o eigenmath eigenmath.c -lm
In file included from /nix/store/h0ip0h6qp7kc2wm7mwjaglkxxbzmjri4-glibc-2.42-51-dev/include/bits/libc-header-start.h:33,
                 from /nix/store/h0ip0h6qp7kc2wm7mwjaglkxxbzmjri4-glibc-2.42-51-dev/include/stdio.h:28,
                 from eigenmath.c:28:
/nix/store/h0ip0h6qp7kc2wm7mwjaglkxxbzmjri4-glibc-2.42-51-dev/include/features.h:435:4: warning: #warning _FORTIFY_SOURCE requires compiling with optimization (-O) []8;;https://gcc.gnu.org/onlinedocs/gcc-15.2.0/gcc/Warning-Options.html#index-Wcpp-Wcpp]8;;]
  435 | #  warning _FORTIFY_SOURCE requires compiling with optimization (-O)
      |    ^~~~~~~
In file included from eigenmath.c:36:
eigenmath.c:850:5: error: expected identifier or '(' before '__typeof'
  850 | int iszero(struct atom *p);
      |     ^~~~~~
eigenmath.c:850:5: error: expected ')' before '(' token
  850 | int iszero(struct atom *p);
      |     ^~~~~~
eigenmath.c:850:5: error: expected ')' before '==' token
  850 | int iszero(struct atom *p);
      |     ^~~~~~
eigenmath.c:17418:1: error: expected identifier or '(' before '__typeof'
17418 | iszero(struct atom *p)
      | ^~~~~~
eigenmath.c:17418:1: error: expected ')' before '(' token
17418 | iszero(struct atom *p)
      | ^~~~~~
eigenmath.c:17418:1: error: expected ')' before '==' token
17418 | iszero(struct atom *p)
      | ^~~~~~
make: *** [Makefile:4: eigenmath] Error 1