python3Packages.fenics: pin boost186, add patches

pkgs/development/python-modules/fenics/default.nix

@@ -4,7 +4,7 @@
   fetchurl,
   fetchpatch,
   blas,
-  boost,
+  boost186,
   cmake,
   doxygen,
   eigen,
@@ -133,6 +133,13 @@ let
       url = "https://bitbucket.org/fenics-project/ffc/downloads/ffc-${version}.tar.gz";
       sha256 = "1zdg6pziss4va74pd7jjl8sc3ya2gmhpypccmyd8p7c66ji23y2g";
     };
+    patches = [
+      (fetchpatch {
+        name = "fenics-ffc-numpy2-compat.patch";
+        url = "https://bitbucket.org/fenics-project/ffc/commits/245d15115b35b5ac091251fe6c84cc6474704b3c/raw";
+        hash = "sha256-TcLQZ44C+uR2ryxtCBjR/5Tjn7B0S4MqoYi0nlP8JwI=";
+      })
+    ];
     nativeBuildInputs = [ pybind11 ];
     propagatedBuildInputs = [
       dijitso
@@ -177,6 +184,11 @@ let
         url = "https://bitbucket.org/fenics-project/dolfin/issues/attachments/1116/fenics-project/dolfin/1602778118.04/1116/0001-Use-__BYTE_ORDER__-instead-of-removed-Boost-endian.h.patch";
         hash = "sha256-wPaDmPU+jaD3ce3nNEbvM5p8e3zBdLozamLTJ/0ai2c=";
       })
+      (fetchpatch {
+        name = "fenics-boost-filesystem-1.85-compat.patch.";
+        url = "https://bitbucket.org/sblauth/dolfin/commits/16fa03887b3e9ec417c484ddf92db104cb9a93f9/raw";
+        hash = "sha256-ZMKfzeWlPre88cKzrj04Tj+nQWS4ixat0bBvyt3TJmk=";
+      })
     ];
     # https://aur.archlinux.org/cgit/aur.git/plain/PKGBUILD?h=dolfin&id=a965ad934f7b3d49a5e77fa6fb5e3c710ec2163e
     postPatch = ''
@@ -197,7 +209,7 @@ let
       pkg-config
     ];
     buildInputs = [
-      boost
+      boost186
       dijitso
       eigen
       ffc
@@ -265,7 +277,7 @@ let
     '';
     buildInputs = [
       dolfin
-      boost
+      boost186
     ];
 
     propagatedBuildInputs = [