I\'m using mxmlc on a Mac terminal to compile an AS 3.0 project and then I run it by opening the Main.swf in Flash Debugger 10. Now, errors get written to the flashlog.txt j
The compiler option "-debug=true" does the job. Like this:
mxmlc -use-network=false -default-background-color=#FFF00F -default-size=760,610 -debug=true Main.as