Cherry piking changes from PR #19 which solve issue #2 CONAN support

conanfile.py

@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""Conan recipe package for BehaviorTree.CPP
+"""
+from conans import ConanFile, CMake, tools
+
+
+class BehaviorTreeConan(ConanFile):
+    name = "BehaviorTree.CPP"
+    license = "MIT"
+    url = "https://github.com/BehaviorTree/BehaviorTree.CPP"
+    author = "Davide Faconti <davide.faconti@gmail.com>"
+    topics = ("conan", "behaviortree", "ai", "robotics", "games", "coordination")
+    description = "This C++ library provides a framework to create BehaviorTrees. It was designed to be flexible, easy to use and fast."
+    settings = "os", "compiler", "build_type", "arch"
+    options = {"shared": [True, False]}
+    default_options = {"shared": False}
+    generators = "cmake"
+    exports = "LICENSE"
+    exports_sources = ("cmake/*", "include/*", "src/*", "3rdparty/*", "CMakeLists.txt")
+
+    def requirements(self):
+
+        self.requires("cppzmq/4.3.0@bincrafters/stable")
+
+    def _configure_cmake(self):
+        """Create CMake instance and execute configure step
+        """
+        cmake = CMake(self)
+        cmake.definitions["BUILD_EXAMPLES"] = False
+        cmake.definitions["BUILD_UNIT_TESTS"] = False
+        cmake.configure()
+        return cmake
+
+    def build(self):
+        """Configure, build and install BehaviorTree using CMake.
+        """
+        tools.replace_in_file("CMakeLists.txt",
+                              "project(behaviortree_cpp)",
+                              """project(behaviortree_cpp)
+                              include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+                              conan_basic_setup()""")
+        cmake = self._configure_cmake()
+        cmake.build()
+
+    def package(self):
+        """Copy BehaviorTree artifacts to package folder
+        """
+        self.copy(pattern="LICENSE", dst="licenses")
+        cmake = self._configure_cmake()
+        cmake.install()
+
+    def package_info(self):
+        """Collect built libraries names and solve pthread path.
+        """
+        self.cpp_info.libs = tools.collect_libs(self)
+        if self.settings.os == "Linux":
+            self.cpp_info.libs.append("pthread")