netgen: init at 6.2.2405

pkgs/by-name/ne/netgen/conditional-arm-feature-complex.patch

@@ -0,0 +1,22 @@
+diff --git a/libsrc/core/simd_arm64.hpp b/libsrc/core/simd_arm64.hpp
+index 9e0bcce..3607c4f 100644
+--- a/libsrc/core/simd_arm64.hpp
++++ b/libsrc/core/simd_arm64.hpp
+@@ -153,7 +153,7 @@ namespace ngcore
+   {
+     return FNMA(SIMD<double,2> (a), b, c);
+   }
+-
++#ifdef __ARM_FEATURE_COMPLEX
+   // ARM complex mult:
+   // https://arxiv.org/pdf/1901.07294.pdf
+   // c += a*b    (a0re, a0im, a1re, a1im, ...), 
+@@ -162,7 +162,7 @@ namespace ngcore
+     auto tmp = vcmlaq_f64(c.Data(), a.Data(), b.Data());   // are * b
+     c = vcmlaq_rot90_f64(tmp, a.Data(), b.Data());    // += i*aim * b
+   }
+-  
++#endif  
+
+   NETGEN_INLINE SIMD<double,2> operator+ (SIMD<double,2> a, SIMD<double,2> b)
+   { return a.Data()+b.Data(); }

pkgs/by-name/ne/netgen/find-git-not-mendatory.patch

@@ -0,0 +1,13 @@
+diff --git a/cmake/generate_version_file.cmake b/cmake/generate_version_file.cmake
+index 780c287b..e84461cc 100644
+--- a/cmake/generate_version_file.cmake
++++ b/cmake/generate_version_file.cmake
+@@ -5,7 +5,7 @@ endif()
+ if(NETGEN_VERSION_GIT)
+     set(git_version_string ${NETGEN_VERSION_GIT})
+ else()
+-    find_package(Git REQUIRED)
++    find_package(Git)
+     execute_process(COMMAND git describe --tags --match "v[0-9]*" --long --dirty
+         WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
+         OUTPUT_VARIABLE git_version_string

pkgs/by-name/ne/netgen/inherit-env-pythonpath.patch

@@ -0,0 +1,13 @@
+diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
+index c95c4430..7480f6b7 100644
+--- a/python/CMakeLists.txt
++++ b/python/CMakeLists.txt
+@@ -43,7 +43,7 @@ else()
+   else()
+   message("-- Found pybind11-stubgen version: ${stubgen_version}")
+   install(CODE "\
+-  set(ENV{PYTHONPATH} ${CMAKE_INSTALL_PREFIX}/${NG_INSTALL_DIR_PYTHON})\n \
++  set(ENV{PYTHONPATH} ${CMAKE_INSTALL_PREFIX}/${NG_INSTALL_DIR_PYTHON}:$ENV{PYTHONPATH})\n \
+   execute_process(COMMAND ${Python3_EXECUTABLE} -m pybind11_stubgen --ignore-all-errors netgen)\n \
+   execute_process(COMMAND ${Python3_EXECUTABLE} -m pybind11_stubgen --ignore-all-errors pyngcore)\n \
+   ")

pkgs/by-name/ne/netgen/package.nix

@@ -0,0 +1,192 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  fetchDebianPatch,
+  makeWrapper,
+  cmake,
+  python3,
+  python3Packages,
+  mpi,
+  mpiCheckPhaseHook,
+  metis,
+  opencascade-occt,
+  libGLU,
+  zlib,
+  tcl,
+  tk,
+  xorg,
+  libjpeg,
+  ffmpeg,
+  catch2,
+  avxSupport ? stdenv.hostPlatform.avxSupport,
+  avx2Support ? stdenv.hostPlatform.avx2Support,
+  avx512Support ? stdenv.hostPlatform.avx512Support,
+}:
+let
+  archFlags = toString (
+    lib.optional avxSupport "-mavx"
+    ++ lib.optional avx2Support "-mavx2"
+    ++ lib.optional avx512Support "-mavx512"
+  );
+in
+stdenv.mkDerivation (finalAttrs: {
+  pname = "netgen";
+  version = "6.2.2405";
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "ngsolve";
+    repo = "netgen";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-y0Vol8vpccktiqOolRrAbw7JWF4o8Nh9t/fcDnBOWXE=";
+  };
+
+  patches = [
+    # disable some platform specified code used by downstream ngsolve
+    # can be enabled with -march=armv8.3-a+simd when compiling ngsolve
+    # note compiling netgen itself is not influenced by this feature
+    ./conditional-arm-feature-complex.patch
+
+    # when generating python stub file utilizing system python pybind11_stubgen module
+    # cmake need to inherit pythonpath
+    ./inherit-env-pythonpath.patch
+
+    ./find-git-not-mendatory.patch
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "fix-national-encoding.patch";
+      hash = "sha256-oo29H/SN+c/yojtEkFUG99Gc+hJd5sNxZfxV5TzPtRY=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "fix_nggui_tcl.patch";
+      hash = "sha256-ODDT67+RWBzPhhq/equWsu78x9L/Yrs3U8VQ1Uu0zZw=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "ffmpeg_link_libraries.patch";
+      hash = "sha256-S02OPH9hbJjOnBm6JMh6uM5XptcubV24vdyEF0FusoM=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "size_t_int32.patch";
+      hash = "sha256-uudf3b97J2TNq4lAzPK1bRrcQv+Z1oVxFE3tKlydJfE=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "link_atomic.patch";
+      hash = "sha256-Yf0GNP4BAahWxOO0zIMVvXiROVP0hRM54Fok7jGABlY=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "include_stdlib.patch";
+      hash = "sha256-W+NgGBuy/UmzVbPTSqR8FRUlyN/9dl9l9e9rxKklmIc=";
+    })
+    (fetchDebianPatch {
+      inherit (finalAttrs) pname;
+      version = "6.2.2404+dfsg1-4";
+      patch = "ngappinit_no_MPI.patch";
+      hash = "sha256-0PSe5YB0C/goYFvnl9Z+pwM12D4s1qaTRV12/NA7c94=";
+    })
+  ];
+
+  postPatch = ''
+    # get version via version.txt rather than git describe
+    echo "v${finalAttrs.version}-0" > version.txt
+    # create dummy catch2 target and use system catch2
+    echo "add_custom_target(project_catch)" > cmake/external_projects/catch.cmake
+  '';
+
+  nativeBuildInputs = [
+    cmake
+    makeWrapper
+    python3Packages.pybind11-stubgen
+  ];
+
+  buildInputs = [
+    metis
+    opencascade-occt
+    zlib
+    tcl
+    tk
+    libGLU
+    xorg.libXmu
+    libjpeg
+    ffmpeg
+    mpi
+  ];
+
+  propagatedBuildInputs = with python3Packages; [
+    packaging
+    pybind11
+    mpi4py
+    numpy
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeFeature "CMAKE_CXX_FLAGS" archFlags)
+    (lib.cmakeBool "USE_MPI" true)
+    (lib.cmakeBool "USE_MPI4PY" true)
+    (lib.cmakeBool "PREFER_SYSTEM_PYBIND11" true)
+    (lib.cmakeBool "BUILD_STUB_FILES" true)
+    (lib.cmakeBool "USE_SUPERBUILD" false) # use system packages
+    (lib.cmakeBool "USE_NATIVE_ARCH" false)
+    (lib.cmakeBool "USE_JPEG" true)
+    (lib.cmakeBool "USE_MPEG" true)
+    (lib.cmakeBool "BUILD_TESTING" finalAttrs.finalPackage.doInstallCheck)
+    (lib.cmakeBool "ENABLE_UNIT_TESTS" finalAttrs.finalPackage.doInstallCheck)
+  ];
+
+  # netgen use tcl script and need to be aware of NETGENDIR
+  postInstall = ''
+    wrapProgram "$out/bin/netgen" --set NETGENDIR "$out/bin"
+  '';
+
+  preInstallCheck = ''
+    export PYTHONPATH=$out/${python3.sitePackages}:$PYTHONPATH
+  '';
+
+  # mesh generation differs on x86_64 and aarch64 platform
+  # tests will fail on aarch64 platform
+  doInstallCheck = !stdenv.hostPlatform.isAarch64;
+
+  installCheckTarget = "test";
+
+  nativeInstallCheckInputs = [
+    catch2
+    python3Packages.pytest
+    python3Packages.pytest-check
+    python3Packages.pytest-mpi
+    mpiCheckPhaseHook
+  ];
+
+  passthru = {
+    inherit avxSupport avx2Support avx512Support;
+  };
+
+  meta = {
+    homepage = "https://ngsolve.org";
+    description = "Atomatic 3d tetrahedral mesh generator";
+    license = with lib.licenses; [
+      lgpl2Plus
+      lgpl21Plus
+      lgpl21Only
+      bsd3
+      boost
+      publicDomain
+    ];
+    platforms = [
+      "x86_64-linux"
+      "aarch64-linux"
+    ];
+    mainProgram = "netgen";
+    maintainers = with lib.maintainers; [ qbisi ];
+  };
+})

pkgs/top-level/python-packages.nix

@@ -9013,6 +9013,11 @@ self: super: with self; {
 
   netdisco = callPackage ../development/python-modules/netdisco { };
 
+  netgen = toPythonModule (pkgs.netgen.override {
+    python3 = python;
+    python3Packages = self;
+  });
+
   nethsm = callPackage ../development/python-modules/nethsm { };
 
   netifaces = callPackage ../development/python-modules/netifaces { };