> Testcase:
> ------------------------------
> #include <arpa/inet.h>
>
> int main()
> {
> volatile short s = 33, t;
>
> t = ntohs(s);
> return 0;
> }
> ------------------------------
>
> > i686-pc-cygwin-gcc -fno-inline -o test test.c
> i686-pc-cygwin-gcc -O1
> > -fno-inline -o test test.c
> /tmp/ccswmuY9.o:test.c:(.text+0x27): undefined reference to `___ntohs'
> collect2: ld returned 1 exit status
> >
Try the obvious patch to include/asm/byteorder.h
*** byteorder.h.bak Wed May 17 19:41:51 2006
--- byteorder.h Mon Sep 18 09:58:37 2006
*************** __ntohs(uint16_t x)
*** 70,76 ****
#define __constant_htonl(x) __constant_ntohl(x)
#define __constant_htons(x) __constant_ntohs(x)
! #ifdef __OPTIMIZE__
# define ntohl(x) \
(__builtin_constant_p((long)(x)) ? \
__constant_ntohl((x)) : \
--- 70,76 ----
#define __constant_htonl(x) __constant_ntohl(x)
#define __constant_htons(x) __constant_ntohs(x)
! #if defined __OPTIMIZE__ && !defined __NO_NOINLINE__
# define ntohl(x) \
(__builtin_constant_p((long)(x)) ? \
__constant_ntohl((x)) : \
--
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