feat: add paho mqtt cpp

recipes/paho-mqtt-cpp/all/CMakeLists.txt

@@ -0,0 +1,7 @@
+cmake_minimum_required(VERSION 2.8.11)
+project(cmake_wrapper)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup()
+
+add_subdirectory("source_subfolder")

recipes/paho-mqtt-cpp/all/conandata.yml

@@ -0,0 +1,12 @@
+sources:
+  "1.0.1":
+    sha256: e97386d159b811e534b98d21e3f6881ab2b43678ec026da7525d5c21ebc292ff
+    url: https://github.com/eclipse/paho.mqtt.cpp/archive/v1.0.1.tar.gz
+patches:
+  "1.0.1":
+    - patch_file: "patches/0001-fix-cmake-module-path.patch"
+      base_path: "source_subfolder"
+    - patch_file: "patches/0002-fix-cmake-find-paho-mqtt-c-static.patch"
+      base_path: "source_subfolder"
+    - patch_file: "patches/0003-fix-paho-mqtt-cpp-config-cmake.patch"
+      base_path: "source_subfolder"

recipes/paho-mqtt-cpp/all/conanfile.py

@@ -0,0 +1,83 @@
+import os
+from conans import CMake, ConanFile, tools
+from conans.errors import ConanInvalidConfiguration
+
+
+class PahoMqttCppConan(ConanFile):
+    name = "paho-mqtt-cpp"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/eclipse/paho.mqtt.cpp"
+    topics = ("MQTT", "IoT", "eclipse", "SSL", "paho", "Cpp")
+    license = "EPL-1.0"
+    description = """The open-source client implementations of MQTT and MQTT-SN"""
+    exports_sources = ["CMakeLists.txt", "patches/*"]
+    generators = "cmake"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {"shared": [True, False],
+               "fPIC": [True, False],
+               "ssl": [True, False],
+               }
+    default_options = {"shared": False,
+                       "fPIC": True,
+                       "ssl": False
+                       }
+
+    _cmake = None
+
+    @property
+    def _source_subfolder(self):
+        return "source_subfolder"
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+
+    def configure(self):
+        if self.settings.os == "Windows" and self.options.shared:
+            raise ConanInvalidConfiguration("Paho cpp can not be built as shared on Windows.")
+        self.options["paho-mqtt-c"].shared = self.options.shared
+        self.options["paho-mqtt-c"].ssl = self.options.ssl
+
+
+    def requirements(self):
+        self.requires("paho-mqtt-c/1.3.0")
+
+    def source(self):
+        tools.get(**self.conan_data["sources"][self.version])
+        extracted_dir = self.name.replace("-", ".") + "-" + self.version
+        os.rename(extracted_dir, self._source_subfolder)
+
+    def configure(self):
+        minimal_cpp_standard = "11"
+        if self.settings.compiler.cppstd:
+            tools.check_min_cppstd(self, minimal_cpp_standard)
+
+    def _configure_cmake(self):
+        if self._cmake:
+            return self._cmake
+        self._cmake = CMake(self)
+        self._cmake.definitions["PAHO_BUILD_DOCUMENTATION"] = False
+        self._cmake.definitions["PAHO_BUILD_SAMPLES"] = False
+        self._cmake.definitions["PAHO_BUILD_STATIC"] = not self.options.shared
+        self._cmake.definitions["PAHO_BUILD_SHARED"] = self.options.shared
+        self._cmake.definitions["PAHO_WITH_SSL"] = self.options.ssl
+        self._cmake.configure()
+        return self._cmake
+
+    def build(self):
+        for patch in self.conan_data["patches"][self.version]:
+            tools.patch(**patch)
+        cmake = self._configure_cmake()
+        cmake.build()
+
+    def package(self):
+        self.copy("edl-v10", src=self._source_subfolder, dst="licenses")
+        self.copy("epl-v10", src=self._source_subfolder, dst="licenses")
+        self.copy("notice.html", src=self._source_subfolder, dst="licenses")
+        cmake = self._configure_cmake()
+        cmake.install()
+        tools.rmdir(os.path.join(self.package_folder, "lib", "cmake"))
+
+    def package_info(self):
+        self.cpp_info.libs = tools.collect_libs(self)
+

recipes/paho-mqtt-cpp/all/patches/0001-fix-cmake-module-path.patch

@@ -0,0 +1,14 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 1f6ab07..bb0b31f 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -69,7 +69,7 @@ endif()
+ ## --- Build directories ---
+
+ # For the paho_mqtt_c module
+-list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
++list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
+ add_subdirectory(src)
+
+ # --- Documentation ---
+

recipes/paho-mqtt-cpp/all/patches/0002-fix-cmake-find-paho-mqtt-c-static.patch

@@ -0,0 +1,16 @@
+diff --git a/cmake/FindPahoMqttC.cmake b/cmake/FindPahoMqttC.cmake
+index 10c2bfa..a03b226 100644
+--- a/cmake/FindPahoMqttC.cmake
++++ b/cmake/FindPahoMqttC.cmake
+@@ -5,6 +5,10 @@ if(PAHO_WITH_SSL)
+ else()
+     set(_PAHO_MQTT_C_LIB_NAME paho-mqtt3a)
+ endif()
++# add suffix when using static Paho MQTT C library variant
++if(PAHO_BUILD_STATIC)
++    set(_PAHO_MQTT_C_LIB_NAME ${_PAHO_MQTT_C_LIB_NAME}-static)
++endif()
+
+ find_library(PAHO_MQTT_C_LIBRARIES NAMES ${_PAHO_MQTT_C_LIB_NAME})
+ unset(_PAHO_MQTT_C_LIB_NAME)
+

recipes/paho-mqtt-cpp/all/patches/0003-fix-paho-mqtt-cpp-config-cmake.patch

@@ -0,0 +1,17 @@
+diff --git a/cmake/PahoMqttCppConfig.cmake.in b/cmake/PahoMqttCppConfig.cmake.in
+index e06dc68..f1137fc 100644
+--- a/cmake/PahoMqttCppConfig.cmake.in
++++ b/cmake/PahoMqttCppConfig.cmake.in
+@@ -1,6 +1,11 @@
++set(PAHO_BUILD_STATIC @PAHO_BUILD_STATIC@)
++set(PAHO_BUILD_SHARED @PAHO_BUILD_SHARED@)
++set(PAHO_WITH_SSL @PAHO_WITH_SSL@)
++
+ include(CMakeFindDependencyMacro)
+ list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
+ find_dependency(PahoMqttC REQUIRED)
+ list(REMOVE_AT CMAKE_MODULE_PATH -1)
+
+ include("${CMAKE_CURRENT_LIST_DIR}/@package_name@Targets.cmake")
++
+

recipes/paho-mqtt-cpp/all/test_package/CMakeLists.txt

@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 2.8.12)
+project(test_package)
+
+set(CMAKE_VERBOSE_MAKEFILE TRUE)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup()
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} ${CONAN_LIBS})
+set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 11)

recipes/paho-mqtt-cpp/all/test_package/conanfile.py

@@ -0,0 +1,16 @@
+from conans import ConanFile, CMake, tools
+import os
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not tools.cross_building(self.settings):
+            bin_path = os.path.join("bin", "test_package")
+            self.run(bin_path, run_environment=True)

recipes/paho-mqtt-cpp/all/test_package/test_package.cpp

@@ -0,0 +1,19 @@
+#include <string>
+#include "mqtt/async_client.h"
+#include "mqtt/client.h"
+
+const std::string SERVER_ADDRESS { "tcp://localhost:1883" };
+const std::string CLIENT_ID { "consume" };
+
+
+int main(int argc, char* argv[])
+{
+    mqtt::connect_options connOpts;
+    connOpts.set_keep_alive_interval(20);
+    connOpts.set_clean_session(true);
+
+    mqtt::async_client cli_async(SERVER_ADDRESS, CLIENT_ID);
+    mqtt::client cli(SERVER_ADDRESS, CLIENT_ID);
+
+    return 0;
+}

recipes/paho-mqtt-cpp/config.yml

@@ -0,0 +1,4 @@
+---
+versions:
+  "1.0.1":
+    folder: "all"