From http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/gas/config/tc-arm.c.diff?r1=1.168&r2=1.169&cvsroot=src

 See also http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2004-July/023128.html,

 "[CRITICAL PATCH] 2.6: fix silent build error]"

 Revision 1.169, Fri Jul 2 11:12:29 2004 UTC (19 hours, 4 minutes ago) by nickc

 Branch: MAIN

 CVS Tags: binutils_latest_snapshot, HEAD

 Changes since 1.168: +14 -1 lines

 (md_apply_fix3:BFD_RELOC_ARM_IMMEDIATE): Do not allow values which have come

 from undefined symbols.

 Always consider this fixup to have been processed as a reloc cannot be

 generated for it.

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

 RCS file: /cvs/src/src/gas/config/tc-arm.c,v

 retrieving revision 1.168

 retrieving revision 1.169

 diff -u -r1.168 -r1.169

 --- src/gas/config/tc-arm.c	2004/04/30 10:51:12	1.168

 +++ src/gas/config/tc-arm.c	2004/07/02 11:12:29	1.169

 @@ -12186,6 +12186,20 @@

    switch (fixP->fx_r_type)

      {

      case BFD_RELOC_ARM_IMMEDIATE:

 +      /* We claim that this fixup has been processed here,

 +	 even if in fact we generate an error because we do

 +	 not have a reloc for it, so tc_gen_reloc will reject it.  */

 +      fixP->fx_done = 1;

 +

 +      if (fixP->fx_addsy

 +	  && ! S_IS_DEFINED (fixP->fx_addsy))

 +	{

 +	  as_bad_where (fixP->fx_file, fixP->fx_line,

 +			_("undefined symbol %s used as an immediate value"),

 +			S_GET_NAME (fixP->fx_addsy));

 +	  break;

 +	}

 +

        newimm = validate_immediate (value);

        temp = md_chars_to_number (buf, INSN_SIZE);

 @@ -12202,7 +12216,6 @@

        newimm |= (temp & 0xfffff000);

        md_number_to_chars (buf, (valueT) newimm, INSN_SIZE);

 -      fixP->fx_done = 1;

        break;

      case BFD_RELOC_ARM_ADRL_IMMEDIATE: