make: Fatal error: Command failed for target `rexx'

[Manjeet Singh]

hi while doing make install with regina rexx 3.5 in solaris os 5.10, I m
getting these errors can u please tell me why this is happening.

gcc  -O2 -m64 -O3 -Wall -fomit-frame-pointer -fno-strict-aliasing
-Wno-char-subscripts  -m64  -o rexx funcs.o builtin.o error.o variable.o
interprt.o debug.o dbgfuncs.o memory.o parsing.o files.o  misc.o unxfuncs.o
cmsfuncs.o os2funcs.o shell.o rexxext.o stack.o  tracing.o interp.o cmath.o
convert.o strings.o library.o  strmath.o signals.o macros.o envir.o expr.o
extstack.o  yaccsrc.o lexsrc.o options.o os_unx.o rexxbif.o  wrappers.o
mt_notmt.o instore.o arxfuncs.o rexx.o nosaa.o -lfl  -lm -lnsl -lsocket
-lnet -lcrypt -ldl
Undefined                       first referenced
 symbol                             in file
yylex
/usr/sfw/lib/gcc/sparc-sun-solaris2.10/3.4.3/../../../sparcv9/libfl.so
ld: fatal: Symbol referencing errors. No output written to rexx
collect2: ld returned 1 exit status
*** Error code 1
make: Fatal error: Command failed for target `rexx'
nc3devfe:/export/home/ms258x/Regina-REXX-3.5>


-- 
Thanks & Regards,

Manjeet Kr.Singh