Building gnupg under Solaris 9/x86 with the pkgsrc gcc-3.3 compiler, I received the following from the assembler:

gcc -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../include  -I/usr/pkg/include  -O -I/usr/pkg/include -Wall -c _mpih-lshift.s
Assembler: 
        "_mpih-lshift.s", line 33 : Syntax error
        "_mpih-lshift.s", line 49 : Syntax error
        "_mpih-lshift.s", line 50 : Syntax error
        "_mpih-lshift.s", line 56 : Syntax error
        "_mpih-lshift.s", line 57 : Syntax error
        "_mpih-lshift.s", line 63 : Syntax error
        "_mpih-lshift.s", line 64 : Syntax error
        "_mpih-lshift.s", line 70 : Syntax error
        "_mpih-lshift.s", line 71 : Syntax error
        "_mpih-lshift.s", line 84 : Syntax error
gmake[2]: *** [mpih-lshift.o] Error 1
gmake[2]: Leaving directory `/usr/pkgsrc/security/gnupg/work/gnupg-1.2.3/mpi'
gmake[1]: *** [all-recursive] Error 1
gmake[1]: Leaving directory `/usr/pkgsrc/security/gnupg/work/gnupg-1.2.3'
gmake: *** [all] Error 2
*** Error code 2

Stop.
bmake: stopped in /usr/pkgsrc/security/gnupg
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/security/gnupg

Any ideas?