Re: Error in m4 make

[David Sterba]

Hi,

> libm4.a(error.o) : error LNK2001: unresolved external symbol _sys_nerr
> OLDNAMES.lib(sys_nerr.obj) : error LNK2001: unresolved external symbol
> _sys_nerr
> OLDNAMES.lib(sys_nerr.obj) : error LNK2001: unresolved external symbol
> __sys_nerr
The variable sys_nerr seems holds the maximal value of valid entry in
sys_errlist.
Configure detects if your system supports 'strerror' function.
If not, m4 defines its own strerror wrapper 'private_strerror' in m4/error.c 
and assumes, that sys_errlist and sys_nerr are present on current system.
However, these are system specific and your system does not define
sys_nerr.

Check manually, if your system has the 'strerror' function.

Try this patch. I don't know what does your compiler define as
a system macro. I mean such as WIN32, __WIN32__ etc.
Change to the correct macro accordingly.
You should find it in your compiler documentation.

bye
David

--- error.c.orig        Sat May 25 21:04:30 2002
+++ error.c     Sat May 25 21:05:53 2002
@@ -97,11 +97,14 @@
 private_strerror (errnum)
      int errnum;
 {
+#ifndef WIN32
   extern char *sys_errlist[];
   extern int sys_nerr;

   if (errnum > 0 && errnum <= sys_nerr)
     return _(sys_errlist[errnum]);
+#endif
+
   return _("Unknown system error");
 }
 #   define strerror private_strerror