improved eth_add_resources

cmake/EthUtils.cmake

@@ -63,12 +63,21 @@ macro(eth_add_test NAME)
 endmacro()
 
 # Creates C resources file from files
-function(eth_add_resources TARGET RESOURCE_FILE)
+function(eth_add_resources RESOURCE_FILE OUT_FILE)
+	include("${RESOURCE_FILE}")
+	set(OUTPUT  "${ETH_RESOURCE_LOCATION}/${ETH_RESOURCE_NAME}.hpp")
+	set(${OUT_FILE} "${OUTPUT}"  PARENT_SCOPE)
 
-	add_custom_target("${TARGET}.resources"
-		COMMAND ${CMAKE_COMMAND} -DETH_RES_FILE="${RESOURCE_FILE}" -P "${ETH_SCRIPTS_DIR}/resources.cmake"
-	)
+	set(filenames "${RESOURCE_FILE}")
+	list(APPEND filenames "${ETH_SCRIPTS_DIR}/resources.cmake")
+	foreach(resource ${ETH_RESOURCES})
+		list(APPEND filenames "${${resource}}")
+	endforeach(resource)
 
-	add_dependencies(${TARGET} "${TARGET}.resources")
+	message(STATUS "filenames; ${filenames}")
 
+	add_custom_command(OUTPUT ${OUTPUT}
+		COMMAND ${CMAKE_COMMAND} -DETH_RES_FILE="${RESOURCE_FILE}" -P "${ETH_SCRIPTS_DIR}/resources.cmake"
+		DEPENDS ${filenames}
+	)
 endfunction()

cmake/scripts/resources.cmake

@@ -55,4 +55,3 @@ configure_file("${CMAKE_CURRENT_LIST_DIR}/resource.hpp.in" "${ETH_DST_NAME}.hpp.
 
 include("${CMAKE_CURRENT_LIST_DIR}/../EthUtils.cmake")
 replace_if_different("${ETH_DST_NAME}.hpp.tmp" "${ETH_DST_NAME}.hpp")
-