Keil link When this problem occurs, the computer has installed ads and Keil, it should be their conflict.
Linking ...
. \obj\hello.axf:warning:l6373w:libattrs.map file not found in System Library directory C:\Program files\arm\adsv1_2\lib \armlib\. Library selection may impaired.
. \obj\hello.axf:warning:l6310w:unable to find ARM libraries.
. \obj\hello.axf:error:l6411e:no compatible library exists with a definition of startup symbol __main
Scenario One: Uninstall the ads v1.2 and clear all the ads-related environment variables.
At: My Computer, properties, advanced system settings, environment variables, system variables
Scenario 2:2 Coexistence, add a system variable name armcc5lib with a value of D:\Keil\ARM\ARMCC\lib (depending on your installation path)
Restart Keil MDK Program
Let ads coexist with Keil Warning:L6373W:libattrs.map file not found in System Library directory