🚀 go-pugleaf

I am having problems compiling libg++-1.39.0 on DEC 3100s running
Ultrix 4.1 .
Here is the error ;


% gmake
(cd src; gmake GXX="g++"  GXXFLAGS=" -I/usr/users/students/iarit/gnu/libg++-1.
39.0/g++-include -g -O -fstrength-reduce  -felide-constructors -fschedule-insn
s -fdelayed-branch -fsave-memoized  -Wall -v  -DDEFAULT_filebuf " GXXLDFLAGS="
-L/usr/users/students/iarit/gnu/libg++-1.39.0/src -lg++ -lm " LIBDIR="/usr/loc
al/gnu/lib" SRCIDIR="/usr/users/students/iarit/gnu/libg++-1.39.0/g++-include"
CC="gcc" CFLAGS=" -I/usr/local/gnu/lib/gcc-include -I/usr/include -I/usr/users
/students/iarit/gnu/libg++-1.39.0/g++-include -g -O -fstrength-reduce -fdelaye
d-branch  -Wall -v  -DDEFAULT_filebuf " RANLIB="ranlib" LDXX="/usr/local/gnu/l
ib/gcc-ld" GXXCRT1="/usr/local/gnu/lib/crt1+.o" MAKE="gmake" prefix="/usr/loca
l/gnu" VPATH="/usr/users/students/iarit/gnu/libg++-1.39.0/g++-include" AR="ar"
 PROTODIR="/usr/users/students/iarit/gnu/libg++-1.39.0/g++-include/gen" GENCLA
SS="/usr/users/students/iarit/gnu/libg++-1.39.0/genclass")
g++ -I/usr/users/students/iarit/gnu/libg++-1.39.0/g++-include -g -O -fstrength
-reduce  -felide-constructors -fschedule-insns -fdelayed-branch -fsave-memoize
d  -Wall -v  -DDEFAULT_filebuf  -c  File.cc
g++ version 1.40.3 (based on GCC 1.40)
 /usr/local/gnu/lib/gcc-cpp -+ -v -DDEFAULT_filebuf -I/usr/users/students/iari
t/gnu/libg++-1.39.0/g++-include -undef -D__GNUC__ -D__GNUG__ -D__cplusplus -D_
_ANSI_COMPAT -D__LANGUAGE_C -D__MIPSEL -D__R3000 -D__SYSTYPE_BSD -D__bsd4_2 -D
__host_mips -D__mips -D__ultrix -D__unix -DLANGUAGE_C -DMIPSEL -DR3000 -DSYSTY
PE_BSD -Dbsd4_2 -Dhost_mips -Dmips -Dultrix -Dunix -D____ANSI_COMPAT__ -D____L
ANGUAGE_C__ -D____MIPSEL__ -D____R3000__ -D____SYSTYPE_BSD__ -D____bsd4_2__ -D
____host_mips__ -D____mips__ -D____ultrix__ -D____unix__ -D__LANGUAGE_C__ -D__
MIPSEL__ -D__R3000__ -D__SYSTYPE_BSD__ -D__bsd4_2__ -D__host_mips__ -D__mips__
 -D__ultrix__ -D__unix__ -D__OPTIMIZE__ -Wall File.cc /usr/tmp/cca11641.cpp
GNU CPP version 1.40
//usr/include/sys/file.h:125: warning: garbage at end of #ifdef argument
 /usr/local/gnu/lib/gcc-cc1plus /usr/tmp/cca11641.cpp -mgpOPT -quiet -dumpbase
 File.cc -fstrength-reduce -felide-constructors -fschedule-insns -fdelayed-bra
nch -fsave-memoized -g -O -Wall -version -o /usr/tmp/cca11641.s
GNU C++ version 1.40.3 (based on GCC 1.40) AL-MIPS 1.1 Ultrix Dec Mips Aug  8
1992 compiled by GNU C version 1.40.
default target switches: -mmips-as -mnofixed-ovfl -mG0 -mG1
In file included from /usr/users/students/iarit/gnu/libg++-1.39.0/g++-include/
sys/file.h:21, from File.cc:30:
//usr/include/sys/file.h:145: field `f_lk' has incomplete type
gmake[1]: *** [File.o] Error 1
gmake: *** [src] Error 1
%

Any help will be appriciated.
I.ARIT