Problems compiling emacs

[Saman Desilva]

Hi,
 I am having problems compiling emacs-21.2. Any help is appreciated.
here is my environment
-Saman
OS:SunOS nis 5.9 Generic sun4u sparc SUNW,Ultra-250
compiling with: Sun WorkShop 6 update 2 C 5.3 2001/05/15 (Tried gcc same
problem)
compiled with
Error:
make[2]: Entering directory `/usr/local/src/emacs-21.2/lwlib'
cc -c    -I/usr/dt/include   -g -O  -DEMACS_BITMAP_FILES -DHAVE_CONFIG_H
-Demacs -I. -I../src -I/usr/local/src/emacs-21.2/lwlib
-I/usr/local/src/emacs-21.2/lwlib/../src xlwmenu.c
"/usr/include/strings.h", line 25: identifier redeclared: memmove
        current : function(pointer to void, pointer to const void,
unsigned int) returning void
        previous: function(pointer to void, pointer to const void,
unsigned int) returning pointer to void :
"/usr/include/iso/string_iso.h", line 62
"/usr/include/strings.h", line 26: syntax error before or at: 0
"/usr/include/strings.h", line 26: warning: undefined or missing type
for: size_t
"/usr/include/strings.h", line 26: identifier redeclared: memset
        current : function() returning void
        previous: function(pointer to void, int, unsigned int) returning
pointer to void : "/usr/include/iso/string_iso.h", line 63
"xlwmenu.c", line 252: cannot recover from previous errors
cc: acomp failed for xlwmenu.c
make[2]: *** [xlwmenu.o] Error 2