add FindLokiMQ.cmake for finding lokimq package

cmake/FindLokiMQ.cmake

@@ -0,0 +1,23 @@
+find_package(PkgConfig)
+if (PKG_CONFIG_FOUND)
+  pkg_check_modules(PC_LOKIMQ QUIET liblokimq>=${LokiMQ_VERSION})
+endif()
+
+find_path(LOKIMQ_INCLUDE_DIR lokimq/lokimq.h
+  HINTS ${PC_LOKIMQ_INCLUDEDIR} ${PC_LOKIMQ_INCLUDE_DIRS})
+
+find_library(LOKIMQ_LIBRARY NAMES lokimq
+  HINTS ${PC_LOKIMQ_LIBDIR} ${PC_LOKIMQ_LIBRARY_DIRS})
+
+mark_as_advanced(LOKIMQ_INCLUDE_DIR LOKIMQ_LIBRARY)
+
+set(LOKIMQ_LIBRARIES ${LOKIMQ_LIBRARY} ${PC_LOKIMQ_LIBRARIES})
+set(LOKIMQ_INCLUDE_DIRS ${LOKIMQ_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBUV_FOUND to TRUE
+# if all listed variables are TRUE
+find_package_handle_standard_args(LokiMQ DEFAULT_MSG
+                                  LOKIMQ_LIBRARY LOKIMQ_INCLUDE_DIR)
+
+mark_as_advanced(LOKIMQ_INCLUDE_DIR LOKIMQ_LIBRARY)