(conan-io#24770) poselib: new recipe

* poselib: new recipe

* poselib: Windows shared builds are not supported

* poselib: improve error message

* poselib: use a version tag for the source archive

recipes/poselib/all/conandata.yml

@@ -0,0 +1,4 @@
+sources:
+  "2.0.3":
+    url: "https://github.com/PoseLib/PoseLib/archive/refs/tags/v2.0.3.tar.gz"
+    sha256: "ec52fe738a803e53c4cedc27f393a38b2dced63da6c73148e98965b338ca0efc"

recipes/poselib/all/conanfile.py

@@ -0,0 +1,109 @@
+import os
+
+from conan import ConanFile
+from conan.errors import ConanInvalidConfiguration
+from conan.tools.build import check_min_cppstd
+from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
+from conan.tools.files import copy, get, replace_in_file, rmdir
+from conan.tools.scm import Version
+
+required_conan_version = ">=1.53.0"
+
+
+class PoselibConan(ConanFile):
+    name = "poselib"
+    description = "PoseLib: minimal solvers for calibrated camera pose estimation"
+    license = "BSD-3-Clause"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/PoseLib/PoseLib"
+    topics = ("pose", "camera", "estimation", "solver")
+
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+    }
+
+    @property
+    def _min_cppstd(self):
+        return 17
+
+    @property
+    def _compilers_minimum_version(self):
+        return {
+            "gcc": "7",
+            "clang": "6",
+            "apple-clang": "10",
+            "msvc": "192",
+            "Visual Studio": "16",
+        }
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+
+    def configure(self):
+        if self.options.shared:
+            self.options.rm_safe("fPIC")
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def requirements(self):
+        self.requires("eigen/3.4.0", transitive_headers=True, transitive_libs=True)
+
+    def validate(self):
+        if self.settings.compiler.cppstd:
+            check_min_cppstd(self, self._min_cppstd)
+        minimum_version = self._compilers_minimum_version.get(str(self.settings.compiler), False)
+        if minimum_version and Version(self.settings.compiler.version) < minimum_version:
+            raise ConanInvalidConfiguration(
+                f"{self.ref} requires C++{self._min_cppstd}, which your compiler does not support."
+            )
+
+        if self.settings.os == "Windows" and self.options.shared:
+            raise ConanInvalidConfiguration(
+                f"{self.ref} does not export symbols on Windows for a shared library build."
+            )
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.cache_variables["CMAKE_POLICY_DEFAULT_CMP0077"] = "NEW"
+        tc.generate()
+
+        deps = CMakeDeps(self)
+        deps.generate()
+
+    def _patch_sources(self):
+        replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"),
+                        "-march=native -Wall -Werror -fPIC", "-Wall")
+
+    def build(self):
+        self._patch_sources()
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def package(self):
+        copy(self, "LICENSE", self.source_folder, os.path.join(self.package_folder, "licenses"))
+        cmake = CMake(self)
+        cmake.install()
+        rmdir(self, os.path.join(self.package_folder, "lib", "cmake"))
+
+    def package_info(self):
+        self.cpp_info.set_property("cmake_file_name", "PoseLib")
+        self.cpp_info.set_property("cmake_target_name", "PoseLib::PoseLib")
+
+        suffix = "d" if self.settings.build_type == "Debug" else ""
+        self.cpp_info.libs = ["PoseLib" + suffix]
+
+        if self.settings.os in ["Linux", "FreeBSD"]:
+            self.cpp_info.system_libs.append("m")

recipes/poselib/all/test_package/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.15)
+project(test_package LANGUAGES CXX)
+
+find_package(PoseLib REQUIRED CONFIG)
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE PoseLib::PoseLib)
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_17)

recipes/poselib/all/test_package/conanfile.py

@@ -0,0 +1,26 @@
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import cmake_layout, CMake
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "arch", "compiler", "build_type"
+    generators = "CMakeDeps", "CMakeToolchain", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def layout(self):
+        cmake_layout(self)
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindir, "test_package")
+            self.run(bin_path, env="conanrun")

recipes/poselib/all/test_package/test_package.cpp

@@ -0,0 +1,10 @@
+#include <PoseLib/poselib.h>
+
+#include <vector>
+
+int main() {
+    std::vector<Eigen::Vector3d> x1(10, Eigen::Vector3d{});
+    std::vector<Eigen::Vector3d> x2(10, Eigen::Vector3d{});
+    Eigen::Matrix3d h;
+    int res = poselib::homography_4pt(x1, x2, &h);
+}

recipes/poselib/config.yml

@@ -0,0 +1,3 @@
+versions:
+  "2.0.3":
+    folder: all