Problem building RTEMS(m68k)

[Joel Sherrill]

> Sudheesh J wrote:
> 
> Hi,
>         I'm new to both Makefiles and RTEMS. I found the documentation
> on RTEMS site very helpful. I followed the steps, though had some
> glitches in btw.
> 1) While installing the m68k-gdb, got a failed dependency,
> libncurses.so.4. I had libncurses.so.5 and forced the installation
> using --nodeps.
> 2) The listing of /opt/rtems/bin after the rpm installations was
> missing the c preprocessor, m68k-rtems-cpp.
> 
> 3) The confgure command,
> ../rtems-ss-20021007/configure --target=m68k-rtems
> --enable-rtemsbsp=efi332 \
> --disable-itron --enable-cxx --enable-tests --enable-docs
> --enable-networking
> Went alright, but make produced the following output:( relevant parts
> only)
> 
> Making all in cpu
> gmake[5]: Entering directory
> `/root/rtems/build_m68k/m68k-rtems/c/efi332/exec/score/cpu'
> Making all in m68k
> gmake[6]: Entering directory
> `/root/rtems/build_m68k/m68k-rtems/c/efi332/exec/score/cpu/m68k'mkdir
> o-optimize
> gcc --pipe -isystem ../../../../../.././efi332/lib/include
> -O4 -fomit-frame-pointer
> -g -Wall -mcpu32  -o o-optimize/cpu.o -c
> ../../../../../../../../rtems-ss-20021007/c/src/../../cpukit/score/cpu/m68k/cpu.c
> In file included from
> ../../../../../../efi332/lib/include/rtems/score/cpu.h:23,
>                  from
> ../../../../../../efi332/lib/include/rtems/system.h:138,
>                  from
> ../../../../../../../../rtems-ss-20021007/c/src/../../cpukit/score/cpu/m68k/cpu.c:14:
> ../../../../../../efi332/lib/include/rtems/score/m68k.h:228:2: #error
> "Unsupported CPU model
> -- are you sure you're running a 68k compiler?"
> cc1: Invalid option `cpu32'


^^^^^^^  There's the big hint.  Now go back a few lines and notice the
name
of the compiler.  It is your native one not a m68k one.  Walk through
the items
in Chapter 5 -- "Building RTEMS" in the Getting Started manual.

http://www.oarcorp.com/rtems/doc-current/share/rtems/html/started/started00024.html

> ../../../../../../../../rtems-ss-20021007/c/src/../../cpukit/score/cpu/m68k/cpu.c:
> In function `_CPU_ISR_install_raw_handler':
> ../../../../../../../../rtems-ss-20021007/c/src/../../cpukit/score/cpu/m68k/cpu.c:110:
> warning: assignment makes pointer from integer without a cast
> {standard input}: Assembler messages:
> {standard input}:344: Error: invalid character '.' in mnemonic
> gmake[6]: *** [o-optimize/cpu.o] Error 1
> gmake[6]: Leaving directory
> `/root/rtems/build_m68k/m68k-rtems/c/efi332/exec/score/cpu/m68k'
> gmake[5]: *** [all-recursive] Error 1
> gmake[5]: Leaving directory
> `/root/rtems/build_m68k/m68k-rtems/c/efi332/exec/score/cpu'
> gmake[4]: *** [all-recursive] Error 1
> gmake[4]: Leaving directory
> `/root/rtems/build_m68k/m68k-rtems/c/efi332/exec/score'
> gmake[3]: *** [all-recursive] Error 1
> gmake[3]: Leaving directory
> `/root/rtems/build_m68k/m68k-rtems/c/efi332/exec'
> gmake[2]: *** [all-recursive] Error 1
> gmake[2]: Leaving directory
> `/root/rtems/build_m68k/m68k-rtems/c/efi332'
> gmake[1]: *** [all-recursive] Error 1
> gmake[1]: Leaving directory `/root/rtems/build_m68k/m68k-rtems/c'
> make: *** [all-recursive] Error 1
> 
> I had exported /opt/rtems/bin in PATH, but why the script still
>  complaining abt a 68k compiler?
> Is the missing m68k preprocessor causing the problem?  Or is it
> because of a wrong configuration assumption that the -mcpu32 was used?
>         Expecting your comments,
>     Sudheesh

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
Support Available                (256) 722-9985