Problems building 4.2 on AIX 5.3

[Torbjorn Granlund]

Albert Chin <gmp-discuss at mlists.thewrittenword.com> writes:

    /opt/TWWfsw/m4/bin/gm4  -DHAVE_CONFIG_H -D__GMP_WITHIN_GMP
    -DOPERATION_mode1o -DPIC mode1o.asm >tmp-mode1o.s
     xlc -c -DHAVE_CONFIG_H -I. -I. -I.. -D__GMP_WITHIN_GMP -I..
    -DOPERATION_mode1o -O2 -qro -qroconst -qmaxmem=-1 -qarch=ppc
    tmp-mode1o.s -DPIC -o .libs/mode1o.o
    Assembler:
    tmp-mode1o.s: line 142: undefined symbol "__gmp_modlimb_invert_table"
    tmp-mode1o.s: line 142: illegal expression
    gmake[2]: *** [mode1o.lo] Error 1
    gmake[2]: Leaving directory `/opt/build/gmp-4.2/mpn'
  
  $ tail -4 mpn/tmp-mode1o.s
          .toc
  tc__gmp_modlimb_invert_table:
          .tc     __gmp_modlimb_invert_table[TC], __gmp_modlimb_invert_table[RW]
  

Apparently AIX wants a .global (or .extern) declaration before en
external symbol can be referenced.  I've implemented a fix for 4.2.1
(basically copying the EXTERN stuff from mpn/powerpc64 to mpn/powerpc32).

-- 
Torbjörn