Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: eigenmath 340-unstable-2025-05-05 -> 349 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] this derivation will be built:
  /nix/store/f7gdr4ckcv7sqjpaji7hz575ihqr1nlb-packages.json.drv
building '/nix/store/f7gdr4ckcv7sqjpaji7hz575ihqr1nlb-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..52cd313965fa 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 = "349-unstable-2026-02-01";
 
   src = fetchFromGitHub {
     owner = "georgeweigt";
     repo = "eigenmath";
-    rev = "94fee6b02ebd4cd718dd9ea45583a6af2129dd28";
-    hash = "sha256-2bdO0nRXhDZlEmGRfNf6g9zwc65Ih9Ymlo6PxlpAxes=";
+    rev = "8d5161584e4a399f05f7c77264e2ac567947082b";
+    hash = "sha256-19zdX22oPNPg4cuEJBrX0aaUWev8laSM5R+y/t4Ax5c=";
   };
 
   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.
make[1]: Entering directory '/build/source'
gcc -Wall -O0 -o eigenmath eigenmath.c -lm
In file included from /nix/store/rwalsamz4246k8f1zzxa54qx7w3fbzdg-glibc-2.42-47-dev/include/bits/libc-header-start.h:33,
                 from /nix/store/rwalsamz4246k8f1zzxa54qx7w3fbzdg-glibc-2.42-47-dev/include/stdio.h:28,
                 from eigenmath.c:28:
/nix/store/rwalsamz4246k8f1zzxa54qx7w3fbzdg-glibc-2.42-47-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:838:5: error: expected identifier or '(' before '__typeof'
  838 | int iszero(struct atom *p);
      |     ^~~~~~
eigenmath.c:838:5: error: expected ')' before '(' token
  838 | int iszero(struct atom *p);
      |     ^~~~~~
eigenmath.c:838:5: error: expected ')' before '==' token
  838 | int iszero(struct atom *p);
      |     ^~~~~~
eigenmath.c:17105:1: error: expected identifier or '(' before '__typeof'
17105 | iszero(struct atom *p)
      | ^~~~~~
eigenmath.c:17105:1: error: expected ')' before '(' token
17105 | iszero(struct atom *p)
      | ^~~~~~
eigenmath.c:17105:1: error: expected ')' before '==' token
17105 | iszero(struct atom *p)
      | ^~~~~~
make[1]: *** [Makefile:8: eigenmath] Error 1
make[1]: Leaving directory '/build/source'
make: *** [Makefile:5: default] Error 2