eigen: Add 3.4.90-unstable version

recipes/eigen/all/conandata.yml

@@ -1,32 +1,13 @@
 sources:
+  "3.4.90-unstable+git.2025.08.15":
+    url: "https://gitlab.com/libeigen/eigen/-/archive/c487a4fe9eab5836330246b992fe7c17c06d6726/eigen-c487a4fe9eab5836330246b992fe7c17c06d6726.tar.bz2"
+    sha256: "4d55fafe1fed15437a7ffc02fb695728fce9d1ec6915b6d1fde2dd66644dfe0a"
   "3.4.0":
     url: "https://gitlab.com/libeigen/eigen/-/archive/3.4.0/eigen-3.4.0.tar.bz2"
     sha256: "b4c198460eba6f28d34894e3a5710998818515104d6e74e5cc331ce31e46e626"
-  "3.3.9":
-    url: "https://gitlab.com/libeigen/eigen/-/archive/3.3.9/eigen-3.3.9.tar.bz2"
-    sha256: "0fa5cafe78f66d2b501b43016858070d52ba47bd9b1016b0165a7b8e04675677"
-  "3.3.8":
-    url: "https://gitlab.com/libeigen/eigen/-/archive/3.3.8/eigen-3.3.8.tar.bz2"
-    sha256: "0215c6593c4ee9f1f7f28238c4e8995584ebf3b556e9dbf933d84feb98d5b9ef"
-  "3.3.7":
-    url: "https://gitlab.com/libeigen/eigen/-/archive/3.3.7/eigen-3.3.7.tar.bz2"
-    sha256: "685adf14bd8e9c015b78097c1dc22f2f01343756f196acdc76a678e1ae352e11"
 patches:
   "3.4.0":
     - patch_file: "patches/3.4.0-0001-vec-reduce-half.patch"
       patch_description: "Fix vectorized reductions compilation errors for Eigen::half"
       patch_type: "bugfix"
       patch_source: "https://gitlab.com/libeigen/eigen/-/commit/b0fe14213ec4c8615de485fe4c2bcd4bab0cbd19.patch"
-  "3.3.9":
-    - patch_file: "patches/0002-cmake-minimum-required.patch"
-      patch_description: "CMake: Move cmake_minimum_required() before project()"
-      patch_type: "conan"
-  "3.3.8":
-    - patch_file: "patches/0001-assert-exception-upstream-issue-2011.patch"
-    - patch_file: "patches/0002-cmake-minimum-required.patch"
-      patch_description: "CMake: Move cmake_minimum_required() before project()"
-      patch_type: "conan"
-  "3.3.7":
-    - patch_file: "patches/0002-cmake-minimum-required.patch"
-      patch_description: "CMake: Move cmake_minimum_required() before project()"
-      patch_type: "conan"

recipes/eigen/all/conanfile.py

@@ -1,9 +1,11 @@
 from conan import ConanFile
+from conan.tools.build import check_min_cppstd
 from conan.tools.cmake import CMake, cmake_layout, CMakeToolchain
 from conan.tools.files import apply_conandata_patches, export_conandata_patches, copy, get, rmdir
+from conan.tools.scm import Version
 import os
 
-required_conan_version = ">=1.52.0"
+required_conan_version = ">=2"
 
 
 class EigenConan(ConanFile):
@@ -36,9 +38,14 @@ def layout(self):
     def package_id(self):
         self.info.clear()
 
+    def validate(self):
+        if Version(self.version) >= "3.4.90-":
+            check_min_cppstd(self, 14)
+
     def source(self):
         get(self, **self.conan_data["sources"][self.version],
             destination=self.source_folder, strip_root=True)
+        apply_conandata_patches(self)
 
     def generate(self):
         tc = CMakeToolchain(self)
@@ -47,7 +54,6 @@ def generate(self):
         tc.generate()
 
     def build(self):
-        apply_conandata_patches(self)
         cmake = CMake(self)
         cmake.configure()
         cmake.build()
@@ -63,19 +69,12 @@ 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")]

recipes/eigen/all/test_package/CMakeLists.txt

@@ -1,7 +1,14 @@
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.15)
 project(test_package LANGUAGES CXX)
 
 find_package(Eigen3 REQUIRED CONFIG)
 
+message(STATUS "Eigen3 version: ${Eigen3_VERSION}")
+message(STATUS "Eigen3 major version: ${Eigen3_VERSION_MAJOR}")
+message(STATUS "Eigen3 minor version: ${Eigen3_VERSION_MINOR}")
+message(STATUS "Eigen3 patch version: ${Eigen3_VERSION_PATCH}")
+message(STATUS "Eigen3 version string: ${Eigen3_VERSION_STRING}")
+
+
 add_executable(${PROJECT_NAME} test_package.cpp)
 target_link_libraries(${PROJECT_NAME} PRIVATE Eigen3::Eigen)

recipes/eigen/config.yml

@@ -1,9 +1,5 @@
 versions:
-  "3.4.0":
-    folder: all
-  "3.3.9":
+  "3.4.90-unstable+git.2025.08.15":
     folder: all
-  "3.3.8":
-    folder: all
-  "3.3.7":
+  "3.4.0":
     folder: all