add rdkafka (#960)

* add librkafka

* fix links

packages/l/librdkafka/xmake.lua

@@ -0,0 +1,22 @@
+package("librdkafka")
+    set_homepage("https://github.com/edenhill/librdkafka")
+    set_description("The Apache Kafka C/C++ library")
+
+    add_urls("https://github.com/edenhill/librdkafka/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/edenhill/librdkafka.git")
+    add_versions("v1.6.2", "b9be26c632265a7db2fdd5ab439f2583d14be08ab44dc2e33138323af60c39db")
+
+    add_deps("cmake")
+
+    add_links("rdkafka++", "rdkafka")
+
+    on_install("linux", "macosx", "windows", function (package)
+        local configs = {"-DRDKAFKA_BUILD_EXAMPLES=OFF", "-DRDKAFKA_BUILD_TESTS=OFF"}
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
+        table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
+        import("package.tools.cmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("rd_kafka_produce", {includes = "librdkafka/rdkafka.h"}))
+    end)