Simplified CMakeLists.txt by using list(APPEND..)

Signed-off-by: Matej Kenda <[email protected]>

CMakeLists.txt

@@ -148,12 +148,12 @@ endif()
 
 if(WITH_LOCAL_BACKEND)
 	add_definitions(-DLOCAL_BACKEND=1)
-	set(LIBIIO_CFILES ${LIBIIO_CFILES} local.c)
+	list(APPEND LIBIIO_CFILES local.c)
 
 	# Link with librt if present
 	find_library(LIBRT_LIBRARIES rt)
 	if (LIBRT_LIBRARIES)
-		set(LIBS_TO_LINK ${LIBS_TO_LINK} ${LIBRT_LIBRARIES})
+		list(APPEND LIBS_TO_LINK ${LIBRT_LIBRARIES})
 	endif()
 
 	option(WITH_LOCAL_CONFIG "Read local context attributes from /etc/libiio.ini" OFF)
@@ -164,7 +164,7 @@ if(WITH_LOCAL_BACKEND)
 			message(SEND_ERROR "WITH_LOCAL_CONFIG option requires libini to be installed")
 		else()
 			include_directories(${LIBINI_INCLUDE_DIR})
-			set(LIBS_TO_LINK ${LIBS_TO_LINK} ${LIBINI_LIBRARIES})
+			list(APPEND LIBS_TO_LINK ${LIBINI_LIBRARIES})
 		endif()
 	endif()
 endif()
@@ -178,8 +178,8 @@ if (LIBUSB_LIBRARIES AND LIBUSB_INCLUDE_DIR)
 
 	if(WITH_USB_BACKEND)
 		add_definitions(-DUSB_BACKEND=1)
-		set(LIBIIO_CFILES ${LIBIIO_CFILES} usb.c)
-		set(LIBS_TO_LINK ${LIBS_TO_LINK} ${LIBUSB_LIBRARIES})
+		list(APPEND LIBIIO_CFILES usb.c)
+		list(APPEND LIBS_TO_LINK ${LIBUSB_LIBRARIES})
 		set(IIOD_CLIENT 1)
 		set(NEED_LIBXML2 1)
 		set(NEED_THREADS 1)
@@ -188,10 +188,8 @@ if (LIBUSB_LIBRARIES AND LIBUSB_INCLUDE_DIR)
 
 		set(TEMP ${CMAKE_REQUIRED_LIBRARIES})
 		set(TEMP1 ${CMAKE_REQUIRED_INCLUDES})
-		set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}
-			${LIBUSB_LIBRARIES})
-		set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES}
-			${LIBUSB_INCLUDE_DIR})
+		list(APPEND CMAKE_REQUIRED_LIBRARIES ${LIBUSB_LIBRARIES})
+		list(APPEND CMAKE_REQUIRED_INCLUDES ${LIBUSB_INCLUDE_DIR})
 		check_symbol_exists(libusb_get_version libusb.h
 			HAS_LIBUSB_GETVERSION)
 		set(CMAKE_REQUIRED_LIBRARIES ${TEMP})
@@ -214,8 +212,8 @@ if (LIBSERIALPORT_LIBRARIES AND LIBSERIALPORT_INCLUDE_DIR)
 			SET(WITH_SERIAL_BACKEND OFF)
 		else()
 			add_definitions(-DSERIAL_BACKEND=1)
-			set(LIBIIO_CFILES ${LIBIIO_CFILES} serial.c)
-			set(LIBS_TO_LINK ${LIBS_TO_LINK} ${LIBSERIALPORT_LIBRARIES})
+			list(APPEND LIBIIO_CFILES serial.c)
+			list(APPEND LIBS_TO_LINK ${LIBSERIALPORT_LIBRARIES})
 
 			set(NEED_THREADS 1)
 			set(IIOD_CLIENT 1)
@@ -231,7 +229,7 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
 if(WITH_NETWORK_BACKEND)
 	message(STATUS "Building with Network back end support")
 	if (WIN32)
-		set(LIBS_TO_LINK ${LIBS_TO_LINK} wsock32 ws2_32)
+		list(APPEND LIBS_TO_LINK wsock32 ws2_32)
 	endif()
 
 	if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
@@ -251,7 +249,7 @@ if(WITH_NETWORK_BACKEND)
 	endif()
 
 	add_definitions(-DNETWORK_BACKEND=1)
-	set(LIBIIO_CFILES ${LIBIIO_CFILES} network.c)
+	list(APPEND LIBIIO_CFILES network.c)
 
 	find_library(AVAHI_CLIENT_LIBRARIES avahi-client)
 	find_library(AVAHI_COMMON_LIBRARIES avahi-common)
@@ -289,10 +287,11 @@ if (LIBXML2_FOUND)
 	option(WITH_XML_BACKEND "Enable the XML backend" ON)
 
 	if (WITH_XML_BACKEND)
-		set(LIBIIO_CFILES ${LIBIIO_CFILES} xml.c)
+		list(APPEND LIBIIO_CFILES xml.c)
+
 		add_definitions(${LIBXML2_DEFINITIONS} -DXML_BACKEND=1)
 		include_directories(${LIBXML2_INCLUDE_DIR})
-		set(LIBS_TO_LINK ${LIBS_TO_LINK} ${LIBXML2_LIBRARIES})
+		list(APPEND LIBS_TO_LINK ${LIBXML2_LIBRARIES})
 	endif()
 endif()
 
@@ -305,19 +304,19 @@ if (NEED_THREADS)
 		find_library(PTHREAD_LIBRARIES pthread)
 
 		if (PTHREAD_LIBRARIES)
-			set(LIBS_TO_LINK ${LIBS_TO_LINK} ${PTHREAD_LIBRARIES})
+			list(APPEND LIBS_TO_LINK ${PTHREAD_LIBRARIES})
 		else()
 			message(WARNING "pthread library not found; support for threads will be disabled")
 			set(NO_THREADS ON)
 		endif()
 	else()
 	endif()
 
-	set(LIBIIO_CFILES ${LIBIIO_CFILES} lock.c)
+	list(APPEND LIBIIO_CFILES lock.c)
 endif()
 
 if (IIOD_CLIENT)
-	set(LIBIIO_CFILES ${LIBIIO_CFILES} iiod-client.c)
+	list(APPEND LIBIIO_CFILES iiod-client.c)
 	if (HAVE_AVAHI)
 		install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/iio.service DESTINATION ${AVAHI_SERVICE_INSTALL_DIR})
 	endif()
@@ -341,7 +340,7 @@ option(MATLAB_BINDINGS "Build MATLAB bindings" OFF)
 add_subdirectory(bindings)
 
 if (WITH_MATLAB_BINDINGS_API)
-	set(LIBIIO_EXTRA_HEADERS ${LIBIIO_EXTRA_HEADERS} bindings/matlab/iio-wrapper.h)
+	list(APPEND LIBIIO_EXTRA_HEADERS bindings/matlab/iio-wrapper.h)
 	add_definitions(-DMATLAB_BINDINGS_API=1)
 endif()