Fixed issue STEllAR-GROUP#3124

examples/hello_world_component/CMakeLists.txt

@@ -0,0 +1,36 @@
+# Require a recent version of cmake
+cmake_minimum_required(VERSION 2.8.4 FATAL_ERROR)
+
+if(NOT UNIX)
+	message(FATAL_ERROR "This cmake can only be built on linux systems.")
+	return()
+endif()
+
+project(hello_world_component CXX)
+
+if(EXISTS "${HPX_DIR}")
+
+	# Instruct cmake to find the HPX settings
+	find_package(HPX REQUIRED)
+
+	if(NOT HPX_FOUND)
+	    message(FATAL_ERROR "HPX could not be found")
+  	endif()
+
+	include_directories(${HPX_INCLUDE_DIR})
+	link_directories(${HPX_LIBRARY_DIR})
+
+	# Including essential hpx components
+	add_hpx_component(hello_world_component
+	    SOURCES hello_world_component.cpp
+	    HEADERS hello_world_component.hpp
+	    COMPONENT_DEPENDENCIES iostreams)
+
+	# Build the application
+	add_hpx_executable(hello_world_client
+	    SOURCES hello_world_client.cpp
+	    COMPONENT_DEPENDENCIES hello_world_component)
+
+else()
+  message(SEND_ERROR "HPX_DIR=${HPX_DIR} does not exist. Did you forget to run the install rule?")
+endif()