add vendor packages

cross_compile/vendor_packages/pybind11_vendor/CMakeLists.txt

@@ -0,0 +1,29 @@
+cmake_minimum_required(VERSION 3.8)
+project(pybind11_vendor)
+
+if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+  add_compile_options(-Wall -Wextra -Wpedantic)
+endif()
+
+# uncomment the following section in order to fill in
+# further dependencies manually.
+# find_package(<dependency> REQUIRED)
+
+include(FetchContent)
+FetchContent_Declare(
+  pybind11_vendor
+  GIT_REPOSITORY  https://github.com/pybind/pybind11.git
+  GIT_TAG v2.11.1
+  GIT_SHALLOW TRUE
+)
+
+if (NOT pybind11_vendor_POPULATED)
+
+  FetchContent_Populate(pybind11_vendor)
+
+  set(CMAKE_BUILD_TYPE Release)
+  set(PYBIND11_INSTALL ON CACHE BOOL "PYBIND11_INSTALL" FORCE)
+  set(PYBIND11_TEST OFF CACHE BOOL "PYBIND11_TEST" FORCE)
+  set(PYBIND11_NOPYTHON ON CACHE BOOL "PYBIND11_NOPYTHON" FORCE)
+  add_subdirectory(${pybind11_vendor_SOURCE_DIR} ${pybind11_vendor_BINARY_DIR})
+endif()

cross_compile/vendor_packages/pybind11_vendor/package.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
+<package format="3">
+  <name>pybind11_vendor</name>
+  <version>0.0.0</version>
+  <description>TODO: Package description</description>
+  <maintainer email="ericzhao0325@163.com">ericx</maintainer>
+  <license>TODO: License declaration</license>
+
+  <export>
+    <build_type>cmake</build_type>
+  </export>
+</package>