Experimental Physics and
Industrial Control System

Eric Norum <[email protected]> · Wed, 14 May 2008 08:23:09 -0500

On May 13, 2008, at 11:42 PM, Till Straumann wrote:
Eric Williams wrote:

I'm following Eric Norum's instructions on building the cross-
compiler and libraries for RTEMS powerpc (http://www.aps.anl.gov/epics/base/RTEMS/tutorial/node6.html
), and got the following messages during the Make:
make[2]: Entering directory `/usr/local/rtems/tools/build/gcc'

(SHLIB_LINK='' \

SHLIB_MULTILIB=''; \

gcc -c -g -O2 -DIN_GCC -DCROSS_COMPILE -W -Wall -Wwrite-strings -
Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -
Wmissing-format-attribute -DHAVE_CONFIG_H -I. -I. -I../../
gcc-4.2.3/gcc -I../../gcc-4.2.3/gcc/. -I../../gcc-4.2.3/gcc/../
include -I../../gcc-4.2.3/gcc/../libcpp/include -I../../gcc-4.2.3/
gcc/../libdecnumber -I../libdecnumber -
DSTANDARD_STARTFILE_PREFIX=\"../../../\" -DSTANDARD_EXEC_PREFIX=\"/
usr/local/rtems/rtems-4.9/lib/gcc/\" -DSTANDARD_LIBEXEC_PREFIX=\"/
usr/local/rtems/rtems-4.9/libexec/gcc/\" -DDEFAULT_TARGET_VERSION=
\"4.2.3\" -DDEFAULT_TARGET_MACHINE=\"powerpc-rtems4.9\" -
DSTANDARD_BINDIR_PREFIX=\"/usr/local/rtems/rtems-4.9/bin/\" -
DTOOLDIR_BASE_PREFIX=\"../../../../\" `test "X${SHLIB_LINK}" = "X"
|| test "yes" != "yes" || echo "-DENABLE_SHARED_LIBGCC"` `test "X$
{SHLIB_MULTILIB}" = "X" || echo "-DNO_SHARED_LIBGCC_MULTILIB"` \

-I. -I. -I../../gcc-4.2.3/gcc -I../../gcc-4.2.3/gcc/. -I../../
gcc-4.2.3/gcc/../include -I../../gcc-4.2.3/gcc/../libcpp/include -
I../../gcc-4.2.3/gcc/../libdecnumber -I../libdecnumber ../../
gcc-4.2.3/gcc/cp/g++spec.c)

/tmp/ccajeJCg.s: Assembler messages:

/tmp/ccajeJCg.s:11: Error: unknown pseudo-op: `.bss'

/tmp/ccajeJCg.s:134: Error: Unrecognized opcode: `pushq'

/tmp/ccajeJCg.s:136: Error: Unrecognized opcode: `pushq'

/tmp/ccajeJCg.s:139: Error: Unrecognized opcode: `movl'

/tmp/ccajeJCg.s:142: Error: Unrecognized opcode: `pushq'

/tmp/ccajeJCg.s:144: Error: Unrecognized opcode: `pushq'

/tmp/ccajeJCg.s:147: Error: Unrecognized opcode: `xorl'

/tmp/ccajeJCg.s:150: Error: Unrecognized opcode: `pushq'
etc., etc.
Any guesses what went wrong? Build environment is Linux
2.6.9-55.0.9.ELsmp (RedHat Enterprise WS rel. 4) x86_64 and gcc
3.4.5.

--

Eric Williams

ALS Controls, LBL

Could it be that you have a cross 'as' in your PATH?
What does 'which as' say?
When glancing over Eric's instruction I didn't see one detail:
after installing the 'binutils', in order to be able to build gcc
you do  need the cross-assembler etc. in your PATH but
as 'powerpc-rtems4.9-as', not 'as'. Hence you'd have to add
/usr/local/rtems/rtems-4.9/bin/
to your PATH. This directory should contain powerpc-rtems4.9-as &
friends.

The cross-assembler is also available as
/usr/local/rtems/rtems-4.9/powerpc-rtems/bin/as
but you don't want that one to be picked up -- you would get
the error message you saw.

That's section 2.2 of the document:

Add the directory containing the tools to your shell search path

================================================

The following sections assume that the directory into which you will
install the cross-development tools (/usr/local/rtems/rtems-4.9/bin)
is on your shell search path. For shells like sh, bash, zsh and ksh
you can to this with

PATH="$PATH:/usr/local/rtems/rtems-4.9/bin"

For shells like csh and tcsh you can

set path = ( $path /usr/local/rtems/rtems-4.9/bin )
--
Eric Norum <[email protected]>
Advanced Photon Source
Argonne National Laboratory
(630) 252-4793

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System