From 0a9f9e1c61915d19091723d4355e6febdbb6043e Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Sun, 2 Feb 2025 17:23:19 +0100
Subject: [PATCH 1/4] precice: fix boost 1.87 compat

---
 pkgs/by-name/pr/precice/package.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/by-name/pr/precice/package.nix b/pkgs/by-name/pr/precice/package.nix
index 2f5572a2eab7..115e9a0d68d7 100644
--- a/pkgs/by-name/pr/precice/package.nix
+++ b/pkgs/by-name/pr/precice/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   cmake,
   gcc,
   boost,
@@ -24,6 +25,14 @@ stdenv.mkDerivation rec {
     hash = "sha256-KpmcQj8cv5V5OXCMhe2KLTsqUzKWtTeQyP+zg+Y+yd0=";
   };
 
+  patches = lib.optionals (!lib.versionOlder "3.1.2" version) [
+    (fetchpatch {
+      name = "boost-187-fixes.patch";
+      url = "https://github.com/precice/precice/commit/23788e9eeac49a2069e129a0cb1ac846e8cbeb9f.patch";
+      hash = "sha256-Z8qOGOkXoCui8Wy0H/OeE+NaTDvyRuPm2A+VJKtjH4s=";
+    })
+  ];
+
   cmakeFlags = [
     "-DPRECICE_PETScMapping=OFF"
     "-DBUILD_SHARED_LIBS=ON"

From 2e71cf50505deb784d3d2e47226416e852b24f77 Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Tue, 4 Feb 2025 08:55:25 +0100
Subject: [PATCH 2/4] precice: use lib.cmake* for cmake flags

---
 pkgs/by-name/pr/precice/package.nix | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pkgs/by-name/pr/precice/package.nix b/pkgs/by-name/pr/precice/package.nix
index 115e9a0d68d7..215ffeb69804 100644
--- a/pkgs/by-name/pr/precice/package.nix
+++ b/pkgs/by-name/pr/precice/package.nix
@@ -34,10 +34,10 @@ stdenv.mkDerivation rec {
   ];
 
   cmakeFlags = [
-    "-DPRECICE_PETScMapping=OFF"
-    "-DBUILD_SHARED_LIBS=ON"
-    "-DPYTHON_LIBRARIES=${python3.libPrefix}"
-    "-DPYTHON_INCLUDE_DIR=${python3}/include/${python3.libPrefix}"
+    (lib.cmakeBool "PRECICE_PETScMapping" false)
+    (lib.cmakeBool "BUILD_SHARED_LIBS" true)
+    (lib.cmakeFeature "PYTHON_LIBRARIES" python3.libPrefix)
+    (lib.cmakeFeature "PYTHON_INCLUDE_DIR" "${python3}/include/${python3.libPrefix}")
   ];
 
   env.NIX_CFLAGS_COMPILE = toString (

From 6daeb20f4b246c221f0cdfe410d4cf895b43e9bb Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Tue, 4 Feb 2025 09:24:17 +0100
Subject: [PATCH 3/4] precice: remove gcc

---
 pkgs/by-name/pr/precice/package.nix | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/pkgs/by-name/pr/precice/package.nix b/pkgs/by-name/pr/precice/package.nix
index 215ffeb69804..c79c90475fe7 100644
--- a/pkgs/by-name/pr/precice/package.nix
+++ b/pkgs/by-name/pr/precice/package.nix
@@ -4,7 +4,6 @@
   fetchFromGitHub,
   fetchpatch,
   cmake,
-  gcc,
   boost,
   eigen,
   libxml2,
@@ -40,19 +39,13 @@ stdenv.mkDerivation rec {
     (lib.cmakeFeature "PYTHON_INCLUDE_DIR" "${python3}/include/${python3.libPrefix}")
   ];
 
-  env.NIX_CFLAGS_COMPILE = toString (
-    lib.optionals stdenv.hostPlatform.isDarwin [ "-D_GNU_SOURCE" ]
-    # libxml2-2.12 changed const qualifiers
-    ++ [ "-fpermissive" ]
-  );
-
   nativeBuildInputs = [
     cmake
-    gcc
     pkg-config
     python3
     python3.pkgs.numpy
   ];
+
   buildInputs = [
     boost
     eigen

From 29e1160e514b286ea9af4de84eddf33f0d10ff8c Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Tue, 4 Feb 2025 08:56:02 +0100
Subject: [PATCH 4/4] python312Packages.pyprecice: cleanup and fix

---
 .../python-modules/pyprecice/default.nix      | 40 ++++++++++++-------
 1 file changed, 26 insertions(+), 14 deletions(-)

diff --git a/pkgs/development/python-modules/pyprecice/default.nix b/pkgs/development/python-modules/pyprecice/default.nix
index c005eaaa23d3..48bf841129f8 100644
--- a/pkgs/development/python-modules/pyprecice/default.nix
+++ b/pkgs/development/python-modules/pyprecice/default.nix
@@ -1,15 +1,18 @@
 {
   lib,
   buildPythonPackage,
-  setuptools,
-  pip,
-  cython,
   fetchFromGitHub,
+
+  # build-system
+  cython,
+  pip,
+  pkgconfig,
+  setuptools,
+
+  # dependencies
   mpi4py,
   numpy,
   precice,
-  pkgconfig,
-  pythonOlder,
 }:
 
 buildPythonPackage rec {
@@ -17,8 +20,6 @@ buildPythonPackage rec {
   version = "3.1.2";
   pyproject = true;
 
-  disabled = pythonOlder "3.7";
-
   src = fetchFromGitHub {
     owner = "precice";
     repo = "python-bindings";
@@ -26,14 +27,24 @@ buildPythonPackage rec {
     hash = "sha256-/atuMJVgvY4kgvrB+LuQZmJuSK4O8TJdguC7NCiRS2Y=";
   };
 
-  nativeBuildInputs = [
-    setuptools
-    pip
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail "setuptools>=61,<72" "setuptools" \
+      --replace-fail "numpy<2" "numpy"
+  '';
+
+  build-system = [
     cython
+    pip
     pkgconfig
+    setuptools
   ];
 
-  propagatedBuildInputs = [
+  pythonRelaxDeps = [
+    "numpy"
+  ];
+
+  dependencies = [
     numpy
     mpi4py
     precice
@@ -44,10 +55,11 @@ buildPythonPackage rec {
 
   # Do not use pythonImportsCheck because this will also initialize mpi which requires a network interface
 
-  meta = with lib; {
+  meta = {
     description = "Python language bindings for preCICE";
     homepage = "https://github.com/precice/python-bindings";
-    license = licenses.lgpl3Only;
-    maintainers = with maintainers; [ Scriptkiddi ];
+    changelog = "https://github.com/precice/python-bindings/blob/v${version}/CHANGELOG.md";
+    license = lib.licenses.lgpl3Only;
+    maintainers = with lib.maintainers; [ Scriptkiddi ];
   };
 }