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 Robotics / RCX / legOS / *879 (-10)
  Re: Odd behavior
 
(...) For me, at least, it's not hanging during dll. My earlier problem was that dll just wouldn't complete with my program, but it didn't crash the RCX. By the way, I think I've found my crashing problem. It looks like I had some LCD calls that (...) (25 years ago, 29-Feb-00, to lugnet.robotics.rcx.legos)
 
  Re: Directions to compile GCC
 
Luis Villa <liv@duke.edu> : (...) box (...) for (...) Wow Thanks! Here is the error I am getting-> loading cache ./config.cache checking if compiler cc1obj has been built... yes checking for gcc... h8300-hitachi-hms-gcc checking whether the C (...) (25 years ago, 28-Feb-00, to lugnet.robotics.rcx.legos)
 
  Re: Directions to compile GCC
 
I've also been struggling with building the cross compiler. I'm trying to create a DJGPP hosted version. Once I am successful, we will be able to use Markus's legOS on DOS/Windows as-is. Currently, I have to rewrite Makefile.Common, Makefile.Kernel, (...) (25 years ago, 28-Feb-00, to lugnet.robotics.rcx.legos)
 
  Re: Directions to compile GCC
 
(...) This may not be the case- the cross-compiler will try to compile something, but at least with the directions most of us use, there is no standard C library created and so the compiler thinks it doesn't work. The trick (then) is to use Markus's (...) (25 years ago, 28-Feb-00, to lugnet.robotics.rcx.legos)
 
  Re: Directions to compile GCC
 
"Markus L. Noga" <markus@noga.de> : (...) Thanks! In one of the sections under this document there is a short paragraph explaining that cross compilers may not like having 32 bit ints (Like BeOS uses) turn into 16 bit ints (Like I bet the RCX uses) (...) (25 years ago, 28-Feb-00, to lugnet.robotics.rcx.legos)
 
  Re: Directions to compile GCC
 
Jim Jackson <jjackson@jnjackson.com> : (...) GCC-2.95.2 (...) --host=i586-pc-beos (...) This gave me the Idea to tell the configure that I was running a Linux box (instead of a bebox) It almost worked too. At the end of the make the machine says I (...) (25 years ago, 28-Feb-00, to lugnet.robotics.rcx.legos)
 
  Re: Odd behavior
 
(...) currently i believe there is some really subtle bug in malloc(), that shows up only under special circumstances. I experience similar problems with a fat kernel/application that disappear after adding one cputw(), making the binary a little (...) (25 years ago, 28-Feb-00, to lugnet.robotics.rcx.legos)
 
  Re: Odd behavior
 
(...) Or worse, MacOS. I use and love my Macs, but lord they sure don't have much crash protection right now. I just wish there was a way to avoid having to reload the firmware every time it breaks, but I suppose that without an MMU, that's a bit (...) (25 years ago, 28-Feb-00, to lugnet.robotics.rcx.legos)
 
  Re: Directions to compile GCC
 
Are you using gcc-2.95 or the earlier egcs? What's your host machine? I'm running an Intel Pentium (pre-MMX) and Linux and had to specify the additional parameter: --host=i586-pc-linux Not sure whether BeOS is supported where linux is specified (...) (25 years ago, 28-Feb-00, to lugnet.robotics.rcx.legos)
 
  Re: Odd behavior
 
(...) I'm afraid that mysterious hangs may be a permanent part of the life of a legOS user- in almost any serious program that I have written, perfectly legitimate code- simple code!- has occasionally caused weird hangs and needed hard reboots. (...) (25 years ago, 28-Feb-00, to lugnet.robotics.rcx.legos)


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