small_gicp: fix a Clang / libc++ compilation error

recipes/small_gicp/all/conandata.yml

@@ -2,3 +2,9 @@ sources:
   "cci.20240417":
     url: "https://github.com/koide3/small_gicp/archive/b85d2469d3456ef18a92e677a3bbfe85536135d9.zip"
     sha256: "2521d12c60010952eca302d54ad71bfe6ce4522ff8718ed5ce0e03935e2eddb7"
+patches:
+  "cci.20240417":
+    - patch_file: "patches/001-fix-missing-include.patch"
+      patch_type: "portability"
+      patch_description: "Fix a missing include"
+      patch_source: "https://github.com/koide3/small_gicp/pull/32"

recipes/small_gicp/all/conanfile.py

@@ -3,7 +3,7 @@
 from conan.tools.build import check_min_cppstd
 from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
 from conan.tools.env import VirtualBuildEnv
-from conan.tools.files import copy, get, rm, rmdir, download
+from conan.tools.files import copy, get, rm, rmdir, download, export_conandata_patches, apply_conandata_patches
 from conan.tools.microsoft import is_msvc
 from conan.tools.scm import Version
 import os
@@ -46,6 +46,9 @@ def _compilers_minimum_version(self):
             "msvc": "191",
         }
 
+    def export_sources(self):
+        export_conandata_patches(self)
+
     def config_options(self):
         if self.settings.os == "Windows":
             del self.options.fPIC
@@ -97,6 +100,7 @@ def generate(self):
         deps.generate()
 
     def build(self):
+        apply_conandata_patches(self)
         cmake = CMake(self)
         cmake.configure()
         cmake.build()

recipes/small_gicp/all/patches/001-fix-missing-include.patch

@@ -0,0 +1,11 @@
+diff --git a/include/small_gicp/benchmark/read_points.hpp b/include/small_gicp/benchmark/read_points.hpp
+--- a/include/small_gicp/benchmark/read_points.hpp	(revision b85d2469d3456ef18a92e677a3bbfe85536135d9)
++++ b/include/small_gicp/benchmark/read_points.hpp	(date 1712127101513)
+@@ -4,6 +4,7 @@
+
+ #include <fstream>
+ #include <iostream>
++#include <vector>
+ #include <Eigen/Core>
+
+ namespace small_gicp {