Compile error: 4.3.0 + Tru64 cc

[Daniel Richard G.]

Building 4.3.0 on a Tru64 system fails at this point:

--------(cut here)--------
cc -DHAVE_CONFIG_H -I. -I/opt/src/gmp-4.3.0/mpn -I.. -D__GMP_WITHIN_GMP -I/opt/src/gmp-4.3.0 -DOPERATION_binvert -D_POSIX_PII -D_REENTRANT -std1 -warnprotos -readonly_strings -misalign -fast -O4 -c binvert.c  -DPIC -o binvert.o
cc: Warning: ../gmp.h, line 2099: The use of the -ifo option has prevented this redeclaration of "__gmpn_neg_n" from changing its linkage. The linkage will be that specified by the earlier declaration at line number 1536 in file ../gmp.h. (pluswstocls)
mpn_neg_n (mp_ptr __gmp_rp, mp_srcptr __gmp_up, mp_size_t __gmp_n)
^
cc: Info: /opt/src/gmp-4.3.0/gmp-impl.h, line 3203: In this declaration, type "long long" is a language extension. (longlongtype)
typedef	long long int DItype;
--------^
cc: Info: /opt/src/gmp-4.3.0/gmp-impl.h, line 3204: In this declaration, type "unsigned long long" is a language extension. (longlongtype)
typedef unsigned long long int UDItype;
--------^
cc: Error: binvert.c, line 38: This declaration contains a redefinition of "__gmpn_neg_n".  The previous declaration is at line number 1536 in file ../gmp.h. (redef)
mpn_neg_n (mp_ptr __gmp_rp, mp_srcptr __gmp_up, mp_size_t __gmp_n)
^
gmake[2]: *** [binvert.lo] Error 1
gmake[2]: Leaving directory `/tmp/gmp-4.3.0.build/mpn'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/tmp/gmp-4.3.0.build'
gmake: *** [all] Error 2
--------(cut here)--------

(The -ifo option is for "inter-file optimization," and is implied by the 
-O4. IIRC, that is.)

The vicinity of lines 1536 (!) and 2099 in gmp.h are as follows:

----8<----
#define mpn_neg_n __MPN(neg_n)
__GMP_DECLSPEC mp_limb_t mpn_neg_n __GMP_PROTO ((mp_ptr, mp_srcptr, mp_size_t));

...

#if defined (__GMP_EXTERN_INLINE) || defined (__GMP_FORCE_mpn_neg_n)
#if ! defined (__GMP_FORCE_mpn_neg_n)
__GMP_EXTERN_INLINE
#endif
mp_limb_t
mpn_neg_n (mp_ptr __gmp_rp, mp_srcptr __gmp_up, mp_size_t __gmp_n)
{
  mp_limb_t __gmp_ul, __gmp_cy;
  __gmp_cy = 0;
---->8----

Some stats:

$ uname -a
OSF1 darkstar V4.0 1530 alpha
$ ./config.guess
alphaev56-dec-osf4.0g


--Daniel


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