make failure

[Bob Smart]

Make fails on a farly generic solaris 2.5.1 machine with gcc:

make[2]: Entering directory `/trout/projects/ssg3/otp_src_R6B-0/lib/mnesia_session'
make[3]: Entering directory `/trout/projects/ssg3/otp_src_R6B-0/lib/mnesia_session/src'
erlc -W  -pa /trout/projects/ssg3/otp_src_R6B-0/lib/mnesia_session/ebin -I ../include -I {error_logger,{{2000,7,21},{15,23,15}},'inet_parse:~p:~p:  Eshell V4.9.1  (abort with ^G) /trout/projects/ssg3/otp_src_R6B-0/bootstrap/lib/ic-3.8.1/include \|'\034']}
+'{preproc_cmd, "gcc -x c++ -E -D_CORBA_"}' \
+'{{impl, "mnesia_corba_session"}, "mnesia_session_impl"}' \
mnesia_corba_session.idl
/bin/sh: syntax error at line 1: `(' unexpected
make[3]: *** [oe_mnesia_corba_session.hrl] Error 2
make[3]: Leaving directory `/trout/projects/ssg3/otp_src_R6B-0/lib/mnesia_session/src'
make[2]: *** [opt] Error 2
make[2]: Leaving directory `/trout/projects/ssg3/otp_src_R6B-0/lib/mnesia_session'
make[1]: *** [opt] Error 2
make[1]: Leaving directory `/trout/projects/ssg3/otp_src_R6B-0/lib'
make: *** [libs] Error 2

Any ideas?

Bob