Use pre-release Eigen 3.4.90

To fix a ton of Eigen warnings when building with CUDA.

conanfile.py

@@ -107,7 +107,7 @@ def requirements(self):
         self._export_local_recipes()
 
         # Used by all modules via cupoch_utility
-        self.requires("eigen/3.4.0", transitive_headers=True, transitive_libs=True)
+        self.requires("eigen/3.4.90-pre@cupoch", transitive_headers=True, transitive_libs=True)
         self.requires("spdlog/1.11.0", transitive_headers=True, transitive_libs=True)
         self.requires("thrust/1.16.0@cupoch", transitive_headers=True, transitive_libs=True,
                       force=True)

third_party/conan-recipes/eigen/conandata.yml

@@ -0,0 +1,4 @@
+sources:
+  "3.4.90-pre":
+    url: "https://gitlab.com/libeigen/eigen/-/archive/7d7576f3262fa15c34d5575637bd8d7ff4a83f16/eigen-7d7576f3262fa15c34d5575637bd8d7ff4a83f16.tar.bz2"
+    sha256: "ee649bf6c173660e523712be6336122fa61e436cdc07a59ac5fa9be0c2e24df9"

third_party/conan-recipes/eigen/conanfile.py

@@ -0,0 +1,82 @@
+from conan import ConanFile
+from conan.tools.cmake import CMake, cmake_layout, CMakeToolchain
+from conan.tools.files import apply_conandata_patches, export_conandata_patches, copy, get, rmdir
+import os
+
+required_conan_version = ">=1.52.0"
+
+
+class EigenConan(ConanFile):
+    name = "eigen"
+    version = "3.4.90-pre"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "http://eigen.tuxfamily.org"
+    description = "Eigen is a C++ template library for linear algebra: matrices, vectors," \
+                  " numerical solvers, and related algorithms."
+    topics = ("algebra", "linear-algebra", "matrix", "vector", "numerical", "header-only")
+    package_type = "header-library"
+    license = ("MPL-2.0", "LGPL-3.0-or-later")  # Taking into account the default value of MPL2_only option
+
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "MPL2_only": [True, False],
+    }
+    default_options = {
+        "MPL2_only": False,
+    }
+
+    def export_sources(self):
+        export_conandata_patches(self)
+
+    def configure(self):
+        self.license = "MPL-2.0" if self.options.MPL2_only else ("MPL-2.0", "LGPL-3.0-or-later")
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def package_id(self):
+        self.info.clear()
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version],
+            destination=self.source_folder, strip_root=True)
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.cache_variables["BUILD_TESTING"] = not self.conf.get("tools.build:skip_test", default=True, check_type=bool)
+        tc.cache_variables["EIGEN_TEST_NOQT"] = True
+        tc.generate()
+
+    def build(self):
+        apply_conandata_patches(self)
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        cmake = CMake(self)
+        cmake.install()
+
+        copy(self, "COPYING.*", self.source_folder, os.path.join(self.package_folder, "licenses"))
+        rmdir(self, os.path.join(self.package_folder, "share"))
+
+    def package_info(self):
+        self.cpp_info.set_property("cmake_file_name", "Eigen3")
+        self.cpp_info.set_property("cmake_target_name", "Eigen3::Eigen")
+        self.cpp_info.set_property("pkg_config_name", "eigen3")
+        # TODO: back to global scope once cmake_find_package* generators removed
+        self.cpp_info.components["eigen3"].bindirs = []
+        self.cpp_info.components["eigen3"].libdirs = []
+        if self.settings.os in ["Linux", "FreeBSD"]:
+            self.cpp_info.components["eigen3"].system_libs = ["m"]
+        if self.options.MPL2_only:
+            self.cpp_info.components["eigen3"].defines = ["EIGEN_MPL2_ONLY"]
+
+        # TODO: to remove in conan v2 once cmake_find_package* & pkg_config generators removed
+        self.cpp_info.names["cmake_find_package"] = "Eigen3"
+        self.cpp_info.names["cmake_find_package_multi"] = "Eigen3"
+        self.cpp_info.names["pkg_config"] = "eigen3"
+        self.cpp_info.components["eigen3"].names["cmake_find_package"] = "Eigen"
+        self.cpp_info.components["eigen3"].names["cmake_find_package_multi"] = "Eigen"
+        self.cpp_info.components["eigen3"].set_property("cmake_target_name", "Eigen3::Eigen")
+        self.cpp_info.components["eigen3"].includedirs = [os.path.join("include", "eigen3")]

third_party/conan-recipes/eigen/test_package/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 3.1)
+project(test_package LANGUAGES CXX)
+
+find_package(Eigen3 REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE Eigen3::Eigen)

third_party/conan-recipes/eigen/test_package/conanfile.py

@@ -0,0 +1,25 @@
+import os
+
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import CMake, cmake_layout
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeDeps", "CMakeToolchain", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def layout(self):
+        cmake_layout(self)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if can_run(self):
+            self.run(os.path.join(self.cpp.build.bindirs[0], "test_package"), env="conanrun")

third_party/conan-recipes/eigen/test_package/test_package.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+#include <Eigen/Core>
+#include <unsupported/Eigen/MatrixFunctions>
+
+
+int main(void)
+{
+    int const N = 5;
+    Eigen::MatrixXi A(N, N);
+    A.setRandom();
+
+    std::cout << "A =\n" << A << "\n\n"
+              << "A(2..3,:) =\n" << A.middleRows(2, 2) << "\n";
+
+    return 0;
+}