(...) I have dug around a bit on my computer and I managed to duplicate your problem. If I do a make realclean from the brickOS root directory: C:\cygwin\brickos>make realclean [lots of output delete] then when I run make -f helloworld.mak I get the (...) (19 years ago, 18-Oct-05, to lugnet.robotics.rcx.legos)
(...) As I said before, I am able to use brickOS under cygwin. Does this mean that I have files required by brickOS? I guess you don't mean that I have to run the two commands: make realclean make (Of course I did in vain.) Je-Young Choi (19 years ago, 19-Oct-05, to lugnet.robotics.rcx.legos)
(...) 1. What version of brickos do you have installed? (cat VERSION from the brickos root directory and post the output) 2. What do you mean by "Of course I did in vain."? Be as precise as possible in your answer. With a correctly installed copy of (...) (19 years ago, 19-Oct-05, to lugnet.robotics.rcx.legos)
(...) I tried with both 0.2.6 and 0.9.0 (...) I am sorry for imprecise expressions. I meant that I followed your suggestions. But the result was the same as before. (...) I didn't try yet. (...) I am able to use brickos under command prompt as well (...) (19 years ago, 31-Oct-05, to lugnet.robotics.rcx.legos)