GNUPG on sparc64 & solaris2.8

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Hi,

    Does anyone have gnupg 1.0.6 compiling on a sparc64 Solaris 2.8
    system?  Does anyone know how to fake out the build routines to 
    use acceptible machine and os types?  My trouble seems to be:


gcc  -O -Wall  -o mpicalc  mpicalc.o ../cipher/libcipher.a  	      ../mpi/libmpi.a ../util/libutil.a ../intl/libintl.a  -lz -ldl -lnsl  -lsocket
../mpi/libmpi.a(mpih-div.o): In function `mpihelp_mod_1':
mpih-div.o(.text+0xb0): undefined reference to `__udiv_qrnnd'
mpih-div.o(.text+0x424): undefined reference to `__udiv_qrnnd'
mpih-div.o(.text+0x620): undefined reference to `__udiv_qrnnd'
../mpi/libmpi.a(mpih-div.o): In function `mpihelp_divrem':
mpih-div.o(.text+0x6c8): undefined reference to `__udiv_qrnnd'
mpih-div.o(.text+0x6f8): undefined reference to `__udiv_qrnnd'
../mpi/libmpi.a(mpih-div.o)(.text+0x7c8): more undefined references to `__udiv_qrnnd' follow
collect2: ld returned 1 exit status
make[2]: *** [mpicalc] Error 1
make[2]: Leaving directory `/proj/mbcc/kcaux/src/INCOMING/BUILD/gnupg-1.0.6/tools'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/proj/mbcc/kcaux/src/INCOMING/BUILD/gnupg-1.0.6'
make: *** [all-recursive-am] Error 2

    Any help is appreciated.  Thanks much....