Original patch from gentoo: ../../dev/crosstool-NG/ct-ng.trunk/patches/strace/4.5.17/160-undef-syscall.patch

 -= BEGIN original header =-

 diff -dur strace-4.5.16.orig/linux/syscallent.h strace-4.5.16/linux/syscallent.h

 -= END original header =-

 diff -durN strace-4.5.17.orig/linux/syscallent.h strace-4.5.17/linux/syscallent.h

 --- strace-4.5.17.orig/linux/syscallent.h	2008-07-18 03:23:49.000000000 +0200

 +++ strace-4.5.17/linux/syscallent.h	2008-10-24 21:30:13.000000000 +0200

 @@ -130,7 +130,11 @@

  	{ 2,	TF,	sys_statfs,		"statfs"	}, /* 99 */

  	{ 2,	TD,	sys_fstatfs,		"fstatfs"	}, /* 100 */

  	{ 3,	0,	sys_ioperm,		"ioperm"	}, /* 101 */

 -	{ 2,	TD,	sys_socketcall,		"socketcall", SYS_socketcall }, /* 102 */

 +	{ 2,	TD,	sys_socketcall,		"socketcall"

 +#ifdef __NR_socketcall

 +	    , SYS_socketcall

 +#endif

 +								}, /* 102 */

  	{ 3,	0,	sys_syslog,		"syslog"	}, /* 103 */

  	{ 3,	0,	sys_setitimer,		"setitimer"	}, /* 104 */

  	{ 2,	0,	sys_getitimer,		"getitimer"	}, /* 105 */

 @@ -145,7 +149,11 @@

  	{ 4,	TP,	sys_wait4,		"wait4", SYS_wait4 }, /* 114 */

  	{ 1,	0,	sys_swapoff,		"swapoff"	}, /* 115 */

  	{ 1,	0,	sys_sysinfo,		"sysinfo"	}, /* 116 */

 -	{ 6,	0,	sys_ipc,		"ipc", SYS_ipc }, /* 117 */

 +	{ 6,	0,	sys_ipc,		"ipc"

 +#ifdef __NR_ipc

 +	    , SYS_ipc

 +#endif

 +								}, /* 117 */

  	{ 1,	TD,	sys_fsync,		"fsync"		}, /* 118 */

  	{ 1,	TS,	sys_sigreturn,		"sigreturn"	}, /* 119 */

  	{ 5,	TP,	sys_clone,		"clone", SYS_clone }, /* 120 */

 @@ -282,7 +290,11 @@

  	{ 3,	0,	sys_io_cancel,		"io_cancel"	}, /* 249 */

  	{ 5,	0,	sys_fadvise64,		"fadvise64"	}, /* 250 */

  	{ 5,	0,	printargs,		"SYS_251"	}, /* 251 */

 -	{ 1,	TP,	sys_exit,		"exit_group", __NR_exit_group }, /* 252 */

 +	{ 1,	TP,	sys_exit,		"exit_group"

 +#ifdef __NR_exit_group

 +	    , __NR_exit_group

 +#endif

 +								}, /* 252 */

  	{ 4,	0,	printargs,		"lookup_dcookie"}, /* 253 */

  	{ 1,	0,	sys_epoll_create,	"epoll_create"	}, /* 254 */

  	{ 4,	TD,	sys_epoll_ctl,		"epoll_ctl"	}, /* 255 */

 diff -durN strace-4.5.17.orig/syscall.c strace-4.5.17/syscall.c

 --- strace-4.5.17.orig/syscall.c	2008-10-24 21:30:13.000000000 +0200

 +++ strace-4.5.17/syscall.c	2008-10-24 21:30:13.000000000 +0200

 @@ -2452,14 +2452,18 @@

  	switch (known_scno(tcp)) {

  #ifdef LINUX

  #if !defined (ALPHA) && !defined(MIPS) && !defined(HPPA)

 +#ifdef __NR_socketcall

  	case SYS_socketcall:

  		decode_subcall(tcp, SYS_socket_subcall,

  			SYS_socket_nsubcalls, deref_style);

  		break;

 +#endif

 +#ifdef __NR_ipc

  	case SYS_ipc:

  		decode_subcall(tcp, SYS_ipc_subcall,

  			SYS_ipc_nsubcalls, shift_style);

  		break;

 +#endif

  #endif /* !(ALPHA || MIPS || HPPA) */

  #endif /* LINUX */

  #ifdef SVR4