Subject:
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Re: compiling problmes 2
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Sat, 25 Sep 2004 00:47:19 GMT
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Viewed:
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12974 times
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In lugnet.robotics.rcx.legos, Rudolf Rüssel wrote:
> Hi everybody,
>
> as I mentioned in my first question I am trying to use BrickOS. But I am not
> using the Bricx Command Center or something special for the LEGO RCX to compile
> it, I am using the HEW (Renases tool for the H8/300L microcontroller which is
> included in the LEGO RCXs) and the free compiler Kpit GNUH8 [ELF] Toolchain. I
> am doing this, because I have some other files which need this compiler. If I
> didn't use this compiler I would need to write a lot of assembler code again and
> would spend a lot of time (which I don't have).
> During the compiling phase there are no errors appearing, but during the linker
> phase there appear several "undefined reference" errors (see them below). I
> searched the whole brickOS-folder by text-search, but I didn't find any of the
> references (that means that those definitions of the references are not included
> to BrickOS). Does the Bricx Command Center include some assembler files or does
> the BrickOS need some more assembler files which are not included in the packet?
> Does BrickOS use some predefined assembler files on the RCXs? Or where can I get
> the assembler code of the definitions of those references?
>
>
> Below you can see the undefined reference errors:
Could the unresolved referenced be from the code you are adding to brickOS?
From the looks of it, some of the unresoveds are probably defined in a header
file (all caps is a hint). Maybe they were implied in the GCC compiler, but I
doubt it.
<snip>
> ..\brickos-0.2.6.10.6\kernel/vis.c:59: undefined reference to `_AD_C_H'
> ..\vis.o(.text+0x2a):..\brickos-0.2.6.10.6\kernel/vis.c:62: undefined reference
> to `_AD_B_H'
> ..\vis.o(.text+0x38):..\brickos-0.2.6.10.6\kernel/vis.c:65: undefined reference
> to `_AD_A_H'
> ..\vis.o(.text+0x67):..\brickos-0.2.6.10.6\kernel/vis.c:72: undefined reference
> to `_cputc_hex_0'
> ..\vis.o(.text+0x71):..\brickos-0.2.6.10.6\kernel/vis.c:74: undefined reference
> to `_cputc_0'
> Phase Linker finished
>
>
> Thank you.
> Rudolf
Rudolf,
Did you also look at header files for these missing unresolveds? cputc_0
might be a macro. I dunno.
It is clear there are some files missing, but if you have searched all the
possible source files, I don't know what else to recommend.
Have you examined the Makefiles that came with brickos, to see if they can
help find those missing files?
I wish you luck.
Kevin (I sometimes really hate Makefiles) Clague
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Message has 1 Reply:
 | | Re: compiling problmes 2
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| Can't be that the unresolved references are from the code I want to add to BrickOS, because I also tried to compile just the BrickOS-files (without the code I want to add) and the same errors appeared. (...) I looked for some of those references and (...) (22 years ago, 27-Sep-04, to lugnet.robotics.rcx.legos)
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Message is in Reply To:
| | compiling problmes 2
|
| Hi everybody, as I mentioned in my first question I am trying to use BrickOS. But I am not using the Bricx Command Center or something special for the LEGO RCX to compile it, I am using the HEW (Renases tool for the H8/300L microcontroller which is (...) (22 years ago, 23-Sep-04, to lugnet.robotics.rcx.legos)
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