Question about __gmpf_abs and __gmpz_legendre compilation

[delta trinity]

Hello

I don't know if it's a Borland issue or if the problem could originate from 
GMP.  I have this scenario:

I compiled GMP 4.1.3 shared lib.
I then used Borland 'IMPLIB' utility to generate a '.LIB' from the DLL, so 
the linker find references to the DLL entry (how to link to it, the export 
name, find by name or ordinal, ...)

However, when I generate the .lib, everything is fine until I use either of 
the functions mpf_abs or mpz_legendre.

After investigation, I found that in the .lib generated by IMPLIB, those two 
entry are specified to be imported by ordinal instead of by name, and they 
get imported as __gmp... instead of ___gmp... (2 instead of 3 underscores) 
while every other functions are specified to be imported by name.  I have 
put an extract of TDUMP output at the end of this message.

What happen is that if I use any of those 2 functions, the linker complain 
about unresolved external references.

I worked around the problem by forcing IMPLIB to import by name (-f 
parameter).  Ex:
IMPLIB -a -f LIBGMP-3.LIB LIBGMP-3.DLL instead of
IMPLIB -a LIBGMP-3.LIB LIBGMP-3.DLL
(-a tell to add an underscore for MSVC-style cdecl exports, and is required 
in this case, else I get unresolved externals for every functions).

It may be IMPLIB, but is it possible that something is different in GMP 
about those two functions?

I don't see how, as the declaration seem the same for every functions.  
Though, it could be gcc or the libtool used to compile GMP.

Thanks

Eric

==========
Appendix
==========

The two exports without the 'force by name':

0016D0 THEADR  __gmpf_abs
0016DF COMENT  Purge: Yes, List: Yes, Class: 160 (0A0h), SubClass: 1 (01h)
    Dynamic link import (IMPDEF)
      Imported by: ordinal
      Internal Name: __gmpf_abs
      Module Name: libgmp-3.dll
      ordinal: 64
001701 COMENT  Purge: Yes, List: Yes, Class: 251 (0FBh), SubClass: 3 (03h)
    Hint:63
00170A MODEND

006C50 THEADR  __gmpz_legendre
006C64 COMENT  Purge: Yes, List: Yes, Class: 160 (0A0h), SubClass: 1 (01h)
    Dynamic link import (IMPDEF)
      Imported by: ordinal
      Internal Name: __gmpz_legendre
      Module Name: libgmp-3.dll
      ordinal: 320
006C8B COMENT  Purge: Yes, List: Yes, Class: 251 (0FBh), SubClass: 3 (03h)
    Hint:319
006C94 MODEND

==========

Compared to other exports:

001710 THEADR  ___gmpf_add
001720 COMENT  Purge: Yes, List: Yes, Class: 160 (0A0h), SubClass: 1 (01h)
    Dynamic link import (IMPDEF)
      Imported by: name
      Internal Name: ___gmpf_add
      Module Name: libgmp-3.dll
      Imported name: __gmpf_add
00174C MODEND

==========

With the force by name

0016D0 THEADR  __gmpf_abs
0016DF COMENT  Purge: Yes, List: Yes, Class: 160 (0A0h), SubClass: 1 (01h)
    Dynamic link import (IMPDEF)
      Imported by: name
      Internal Name: __gmpf_abs
      Module Name: libgmp-3.dll
001701 COMENT  Purge: Yes, List: Yes, Class: 251 (0FBh), SubClass: 3 (03h)
    Hint:63
00170A MODEND

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