suitesparse: fix build on x86_64-darwin

SuitesParse can fail to build on x86_64-darwin if there is not enough
space in its dylibs to change their install names to absolute paths.
Ensure there is by passing `-headerpad_max_install_names` to the linker.

pkgs/development/libraries/science/math/suitesparse/default.nix

···
   ]
   ;
 
+  env = lib.optionalAttrs stdenv.isDarwin {
+    # Ensure that there is enough space for the `fixDarwinDylibNames` hook to
+    # update the install names of the output dylibs.
+    NIX_LDFLAGS = "-headerpad_max_install_names";
+  };
+
   buildFlags = [
     # Build individual shared libraries, not demos
     "library"