Hi,
I am getting the following errors while building the project. If someone has the solution please let me know
linking....\Objects\Hello World.axf: Error: L6200E: Symbol __stdout_name multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o)..\Objects\Hello World.axf: Error: L6200E: Symbol __stderr_name multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o)..\Objects\Hello World.axf: Error: L6200E: Symbol _sys_close multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o)..\Objects\Hello World.axf: Error: L6200E: Symbol _sys_ensure multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o)..\Objects\Hello World.axf: Error: L6200E: Symbol _sys_flen multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o)..\Objects\Hello World.axf: Error: L6200E: Symbol _sys_istty multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o)..\Objects\Hello World.axf: Error: L6200E: Symbol _sys_open multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o)..\Objects\Hello World.axf: Error: L6200E: Symbol _sys_read multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o)..\Objects\Hello World.axf: Error: L6200E: Symbol _sys_seek multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o)..\Objects\Hello World.axf: Error: L6200E: Symbol _sys_write multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o).
Ambrosio said:I am getting the following errors
Have you actually read the messages?
They tell you exactly what is wrong; eg,
Ambrosio said:.\Objects\Hello World.axf: Error: L6200E: Symbol __stdout_name multiply defined (by C:\Keil_v5\ARM\ARMCC\Bin\..\lib\armlib\c_w.l(sys_io.o) and .\objects\segger_rtt_syscalls_keil.o).
So you have multiple definitions of __stdout_name:
So you need to decide which is the one to keep - and get rid of the other one!
From the name, it looks like you are trying to add Segger RTT to a projects - yes?
In that case, review the Segger documentation on how to do that properly; eg,
https://wiki.segger.com/RTT
Or contact Segger for support
https://forum.segger.com/
Cross-post - in which the issue is resolved:
https://forum.segger.com/index.php/Thread/6850-Error-when-added-segger-RTT-to-a-Keil-project/?postID=25129#post25129