diff --git a/Build.sh b/Build.sh
index 232ac83..bc2fe7b 100644
--- a/Build.sh
+++ b/Build.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.652 2013/11/30 15:42:18 tg Exp $'
+srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.653 2013/11/30 17:41:31 tg Exp $'
 #-
 # Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
 #		2011, 2012, 2013
@@ -1762,7 +1762,7 @@ else
 		#define EXTERN
 		#define MKSH_INCLUDES_ONLY
 		#include "sh.h"
-		__RCSID("$MirOS: src/bin/mksh/Build.sh,v 1.652 2013/11/30 15:42:18 tg Exp $");
+		__RCSID("$MirOS: src/bin/mksh/Build.sh,v 1.653 2013/11/30 17:41:31 tg Exp $");
 		int main(void) { printf("Hello, World!\n"); return (0); }
 EOF
 	case $cm in
@@ -1867,6 +1867,11 @@ ac_test getrusage <<-'EOF'
 	}
 EOF
 
+ac_test getsid <<-'EOF'
+	#include <unistd.h>
+	int main(void) { return ((int)getsid(0)); }
+EOF
+
 ac_test gettimeofday <<-'EOF'
 	#define MKSH_INCLUDES_ONLY
 	#include "sh.h"
diff --git a/Makefile b/Makefile
index 5f024d3..fafb5d1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/Makefile,v 1.129 2013/11/30 15:42:19 tg Exp $
+# $MirOS: src/bin/mksh/Makefile,v 1.130 2013/11/30 17:41:32 tg Exp $
 #-
 # Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
 #		2011, 2012, 2013
@@ -47,9 +47,9 @@ CPPFLAGS+=	-DMKSH_ASSUME_UTF8 -DMKSH_DISABLE_DEPRECATED \
 		-DHAVE_CAN_INT8TYPE=1 -DHAVE_CAN_UCBINT8=1 -DHAVE_RLIM_T=1 \
 		-DHAVE_SIG_T=1 -DHAVE_SYS_ERRLIST=1 -DHAVE_SYS_SIGNAME=1 \
 		-DHAVE_SYS_SIGLIST=1 -DHAVE_FLOCK=1 -DHAVE_LOCK_FCNTL=1 \
-		-DHAVE_GETRUSAGE=1 -DHAVE_GETTIMEOFDAY=1 -DHAVE_KILLPG=1 \
-		-DHAVE_MEMMOVE=1 -DHAVE_MKNOD=0 -DHAVE_MMAP=1 -DHAVE_NICE=1 \
-		-DHAVE_REVOKE=1 -DHAVE_SETLOCALE_CTYPE=0 \
+		-DHAVE_GETRUSAGE=1 -DHAVE_GETSID=1 -DHAVE_GETTIMEOFDAY=1 \
+		-DHAVE_KILLPG=1 -DHAVE_MEMMOVE=1 -DHAVE_MKNOD=0 -DHAVE_MMAP=1 \
+		-DHAVE_NICE=1 -DHAVE_REVOKE=1 -DHAVE_SETLOCALE_CTYPE=0 \
 		-DHAVE_LANGINFO_CODESET=0 -DHAVE_SELECT=1 -DHAVE_SETRESUGID=1 \
 		-DHAVE_SETGROUPS=1 -DHAVE_STRERROR=0 -DHAVE_STRSIGNAL=0 \
 		-DHAVE_STRLCPY=1 -DHAVE_FLOCK_DECL=1 -DHAVE_REVOKE_DECL=1 \
diff --git a/check.t b/check.t
index 6d6cd0b..9c371f2 100644
--- a/check.t
+++ b/check.t
@@ -1,4 +1,4 @@
-# $MirOS: src/bin/mksh/check.t,v 1.636 2013/11/30 00:20:46 tg Exp $
+# $MirOS: src/bin/mksh/check.t,v 1.637 2013/11/30 17:41:32 tg Exp $
 # $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
 # $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
@@ -31,7 +31,7 @@
 # http://www.freebsd.org/cgi/cvsweb.cgi/src/tools/regression/bin/test/regress.sh?rev=HEAD
 
 expected-stdout:
-	@(#)MIRBSD KSH R48 2013/11/29
+	@(#)MIRBSD KSH R48 2013/11/30
 description:
 	Check version of shell.
 stdin:
@@ -40,7 +40,7 @@ name: KSH_VERSION
 category: shell:legacy-no
 ---
 expected-stdout:
-	@(#)LEGACY KSH R48 2013/11/29
+	@(#)LEGACY KSH R48 2013/11/30
 description:
 	Check version of legacy shell.
 stdin:
diff --git a/funcs.c b/funcs.c
index 4d8816f..b9444d3 100644
--- a/funcs.c
+++ b/funcs.c
@@ -38,7 +38,7 @@
 #endif
 #endif
 
-__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.251 2013/11/30 17:33:49 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.252 2013/11/30 17:41:34 tg Exp $");
 
 #if HAVE_KILLPG
 /*
@@ -60,7 +60,7 @@ __RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.251 2013/11/30 17:33:49 tg Exp $");
 #define c_ulimit	c_true
 #endif
 
-#ifndef MKSH_UNEMPLOYED
+#if !defined(MKSH_UNEMPLOYED) && HAVE_GETSID
 static int c_suspend(const char **);
 #endif
 
@@ -127,7 +127,7 @@ const struct builtin mkshbuiltins[] = {
 	{"*=return", c_exitreturn},
 	{Tsgset, c_set},
 	{"*=shift", c_shift},
-#ifndef MKSH_UNEMPLOYED
+#if !defined(MKSH_UNEMPLOYED) && HAVE_GETSID
 	{"suspend", c_suspend},
 #endif
 	{"test", c_test},
@@ -3719,7 +3719,7 @@ c_sleep(const char **wp)
 }
 #endif
 
-#ifndef MKSH_UNEMPLOYED
+#if !defined(MKSH_UNEMPLOYED) && HAVE_GETSID
 static int
 c_suspend(const char **wp)
 {
diff --git a/jobs.c b/jobs.c
index aea5acf..668491a 100644
--- a/jobs.c
+++ b/jobs.c
@@ -23,7 +23,7 @@
 
 #include "sh.h"
 
-__RCSID("$MirOS: src/bin/mksh/jobs.c,v 1.102 2013/09/10 17:33:01 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/jobs.c,v 1.103 2013/11/30 17:41:35 tg Exp $");
 
 #if HAVE_KILLPG
 #define mksh_killpg		killpg
@@ -225,7 +225,7 @@ proc_errorlevel(Proc *p)
 	}
 }
 
-#ifndef MKSH_UNEMPLOYED
+#if !defined(MKSH_UNEMPLOYED) && HAVE_GETSID
 /* suspend the shell */
 void
 j_suspend(void)
diff --git a/sh.h b/sh.h
index 71aa6b3..f6438df 100644
--- a/sh.h
+++ b/sh.h
@@ -164,9 +164,9 @@
 #endif
 
 #ifdef EXTERN
-__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.678 2013/11/30 17:33:51 tg Exp $");
+__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.679 2013/11/30 17:41:35 tg Exp $");
 #endif
-#define MKSH_VERSION "R48 2013/11/29"
+#define MKSH_VERSION "R48 2013/11/30"
 
 /* arithmetic types: C implementation */
 #if !HAVE_CAN_INTTYPES
@@ -1826,6 +1826,8 @@ int waitfor(const char *, int *);
 int j_kill(const char *, int);
 #ifndef MKSH_UNEMPLOYED
 int j_resume(const char *, int);
+#endif
+#if !defined(MKSH_UNEMPLOYED) && HAVE_GETSID
 void j_suspend(void);
 #endif
 int j_jobs(const char *, int, int);