1 files changed, 24 insertions, 17 deletions
diff --git a/pkgs/development/python-modules/cysignals/default.nix b/pkgs/development/python-modules/cysignals/default.nix
index 62cc3dd30d8af..9e90eaf38f19d 100644
--- a/pkgs/development/python-modules/cysignals/default.nix
+++ b/pkgs/development/python-modules/cysignals/default.nix
@@ -1,9 +1,14 @@
-{ lib
-, autoreconfHook
-, fetchPypi
-, buildPythonPackage
-, cython
-, pariSupport ? true, pari # for interfacing with the PARI/GP signal handler
+{
+  lib,
+  autoreconfHook,
+  fetchPypi,
+  buildPythonPackage,
+  cython,
+  pariSupport ? true,
+  pari, # for interfacing with the PARI/GP signal handler
+
+  # Reverse dependency
+  sage,
 }:
 
 assert pariSupport -> pari != null;
@@ -20,9 +25,7 @@ buildPythonPackage rec {
 
   # explicit check:
   # build/src/cysignals/implementation.c:27:2: error: #error "cysignals must be compiled without _FORTIFY_SOURCE"
-  hardeningDisable = [
-    "fortify"
-  ];
+  hardeningDisable = [ "fortify" ];
 
   # known failure: https://github.com/sagemath/cysignals/blob/582dbf6a7b0f9ade0abe7a7b8720b7fb32435c3c/testgdb.py#L5
   doCheck = false;
@@ -33,19 +36,23 @@ buildPythonPackage rec {
     export PATH="$out/bin:$PATH"
   '';
 
-  propagatedBuildInputs = [
-    cython
-  ] ++ lib.optionals pariSupport [
-    # When cysignals is built with pari, including cysignals into the
-    # buildInputs of another python package will cause cython to link against
-    # pari.
-    pari
-  ];
+  propagatedBuildInputs =
+    [ cython ]
+    ++ lib.optionals pariSupport [
+      # When cysignals is built with pari, including cysignals into the
+      # buildInputs of another python package will cause cython to link against
+      # pari.
+      pari
+    ];
 
   nativeBuildInputs = [ autoreconfHook ];
 
   enableParallelBuilding = true;
 
+  passthru.tests = {
+    inherit sage;
+  };
+
   meta = with lib; {
     description = "Interrupt and signal handling for Cython";
     mainProgram = "cysignals-CSI";