diff --git a/mach/sparc/libsys/LIST b/mach/sparc/libsys/LIST
index 9c9fe8b7e..bb9583b3b 100644
--- a/mach/sparc/libsys/LIST
+++ b/mach/sparc/libsys/LIST
@@ -61,7 +61,6 @@ fchmod.s
 fchown.s
 fchroot.s
 fcntl.s
-fif.s
 flock.s
 fork.s
 fstat.s
diff --git a/mach/sparc/libsys/brk.s b/mach/sparc/libsys/brk.s
index 88491450a..dc8664daa 100644
--- a/mach/sparc/libsys/brk.s
+++ b/mach/sparc/libsys/brk.s
@@ -1,6 +1,6 @@
 .global _brk, __brk
 
 _brk:	
-	set	__brk,%o7
-	jmp	%o7
+	set	__brk,%o0
+	jmp	%o0
 	nop
diff --git a/mach/sparc/libsys/head_em.s b/mach/sparc/libsys/head_em.s
index 73e7807fe..4969bbadc 100644
--- a/mach/sparc/libsys/head_em.s
+++ b/mach/sparc/libsys/head_em.s
@@ -54,9 +54,9 @@ lino:
 filn:
 	.word	0	! filn
 reghp:
-	.word	_end
+	.word	__end
 limhp:
-	.word	_end
+	.word	__end
 trppc:
 	.word	0
 trpim:
diff --git a/mach/sparc/libsys/sbrk.s b/mach/sparc/libsys/sbrk.s
index 1bd8d164a..5c13024ca 100644
--- a/mach/sparc/libsys/sbrk.s
+++ b/mach/sparc/libsys/sbrk.s
@@ -1,6 +1,6 @@
 .global _sbrk, __sbrk
 
 _sbrk:	
-	set	__sbrk,%o7
-	jmp	%o7
+	set	__sbrk,%o0
+	jmp	%o0
 	nop
diff --git a/mach/sparc/libsys/syscall.h b/mach/sparc/libsys/syscall.h
index 4e826a60a..03e66c190 100644
--- a/mach/sparc/libsys/syscall.h
+++ b/mach/sparc/libsys/syscall.h
@@ -56,7 +56,7 @@
 #define SYS_getpgrp 81
 #define SYS_setpgrp 82
 #define SYS_setitimer 83
-#define SYS_wait 84
+#define SYS_wait4 84
 #define SYS_swapon 85
 #define SYS_getitimer 86
 #define SYS_gethostname 87
diff --git a/util/ceg/util/make_back b/util/ceg/util/make_back
index 2201de07b..28ec5b4b1 100644
--- a/util/ceg/util/make_back
+++ b/util/ceg/util/make_back
@@ -9,11 +9,10 @@ BACK	= $(CEG)/ce_back/$(OBJ)_back
 
 all:	back.$(LIBSUF)
 
-back.$(LIBSUF):	mach.h
+back.$(LIBSUF):	$(SRC_DIR)/mach.h
 	-mkdir back
-	cd back;cp $(BACK)/*h . ; cp $(BACK)/Makefile . ; make ; cd ..
+	cd back; cp $(BACK)/*h . ; cp $(BACK)/Makefile . ; cd ..
+	if [ -d $(SRC_DIR)/back.src ] ; then cd back; cp $(SRC_DIR)/back.src/* . ; cd .. ; fi
+	cd back; make SRC_DIR=$(SRC_DIR) CC="$(CC)" CFLAGS="$(COPTIONS)" TARGET_HOME=$(TARGET_HOME) ; cd ..
 	$(AR) r back.$(LIBSUF) back/*.$(SUF)
 	$(RANLIB) back.$(LIBSUF)
-
-mach.h:	$(SRC_DIR)/mach.h
-	cp $(SRC_DIR)/mach.h .
diff --git a/util/ceg/util/make_ce b/util/ceg/util/make_ce
index 12ed60a16..eafd29569 100644
--- a/util/ceg/util/make_ce
+++ b/util/ceg/util/make_ce
@@ -10,7 +10,7 @@ CEG = $(EM)/lib.bin/ceg
 AS   = $(CEG)/as_parser
 DEF = $(CEG)/defaults
 
-IFILES	= -I. -I$(SRC_DIR) -I$(AS) -I$(EM)/h -I$(EM)/modules/h -I../back -I$(SRC_HOME)/mach
+IFILES	= -I. -I$(SRC_DIR) -I.. -I$(AS) -I$(EM)/h -I$(EM)/modules/h -I../back -I$(SRC_HOME)/mach
 
 CFLAGS = $(COPTIONS) $(IFILES)
 
@@ -30,4 +30,5 @@ ce/dummy1:	ceg/ceg $(SRC_DIR)/EM_table $(SRC_DIR)/mach.c
 	-mkdir ce
 	-cp $(SRC_DIR)/mach.c ce/mach.c
 	cd ce ; ../ceg/ceg -l < $(DEF)/not_impl/not_impl_table ; cp $(DEF)/*.c . ; cp $(DEF)/*/*.c . ; cd ..
+	if [ -d $(SRC_DIR)/ce.src ] ; then cd ce ; cp $(SRC_DIR)/ce.src/*.c . ; cd .. ; fi
 	cd ce ; $(EM)/lib.bin/cpp -P $(SRC_DIR)/EM_table | ../ceg/ceg -l ; touch dummy1 ; cd ..
diff --git a/util/ceg/util/make_ceg b/util/ceg/util/make_ceg
index adfe84a2b..c9b7d671e 100644
--- a/util/ceg/util/make_ceg
+++ b/util/ceg/util/make_ceg
@@ -12,7 +12,7 @@ AS   = $(CEG)/as_parser
 EVAL = $(CEG)/as_parser/eval
 DEF = $(CEG)/defaults
 
-IFILES	= -I. -I$(SRC_DIR) -I$(AS) -I$(Em) -I$(TARGET_HOME)/h -I$(TARGET_HOME)/modules/h -I../back
+IFILES	= -I. -I$(SRC_DIR) -I.. -I$(AS) -I$(Em) -I$(TARGET_HOME)/h -I$(TARGET_HOME)/modules/h -I../back
 
 CFLAGS = $(COPTIONS) $(IFILES)
 LDFLAGS = $(LDOPTIONS)
@@ -25,19 +25,19 @@ CEG_LIBS = $(TARGET_HOME)/modules/lib/liballoc.$(LIBSUF)\
 all:	ceg/ceg
 
 obj_list:	ceg/as_lib.$(LIBSUF) ceg/as_instr.$(SUF) ceg/eval_as.$(SUF)
-		echo 'ceg/as_lib.$(LIBSUF) ceg/as_instr.$(SUF) ceg/eval_as.$(SUF)' > list
+		echo 'ceg/as_lib.$(LIBSUF) ceg/as_instr.$(SUF) ceg/eval_as.$(SUF)' > ceg/list
 
 as_list:	ceg/as_lib.$(LIBSUF)
-		echo 'ceg/as_lib.$(LIBSUF)' > list
+		echo 'ceg/as_lib.$(LIBSUF)' > ceg/list
 
-list:		$(OBJ)_list
+ceg/list:		$(OBJ)_list
 
-ceg/ceg:	list
-		$(CC) $(LDFLAGS) -o ceg/ceg $(Em)/*.$(SUF) `cat list` $(CEG_LIBS)
+ceg/ceg:	ceg/list
+		$(CC) $(LDFLAGS) -o ceg/ceg $(Em)/*.$(SUF) `cat ceg/list` $(CEG_LIBS)
 
 ceg/as_lib.$(LIBSUF):
 	-mkdir ceg
-	cd ceg ; cp $(CEG)/util/make_ceg_$(OBJ) Makefile ; cd ..
+	cp $(CEG)/util/make_ceg ceg/Makefile
 	cd ceg ; cp $(ASMAIN)/* . ; $(CC) -c $(CFLAGS) *.c; $(AR) r as_lib.$(LIBSUF) *.$(SUF) ; cd ..
 	$(RANLIB) ceg/as_lib.$(LIBSUF)
 
diff --git a/util/ceg/util/update_ceg b/util/ceg/util/update_ceg
index 4cc01e916..e5704a469 100755
--- a/util/ceg/util/update_ceg
+++ b/util/ceg/util/update_ceg
@@ -1,19 +1,15 @@
 CEG=$TARGET_HOME/lib.bin/ceg
 MAKE=$CEG/util/make_ce
 
-case $# in
-  2) case $1 in
-	-as)    OBJ=as;;
-	-obj)   OBJ=obj;;
-	*) echo wrong option $1, use -as or -obj;
-	   exit 1;;
-     esac
-     SRC_DIR=$2
-     ;;
-  1) SRC_DIR=$1;OBJ=obj ;;
-  *) echo Usage: $0 [-as|-obj] <source directory>
-     ;;
+OBJ=obj
+case $1 in
+-as)    OBJ=as ; shift ;;
+-obj)   OBJ=obj ; shift ;;
+*) echo wrong option $1, use -as or -obj;
+   exit 1;;
 esac
+SRC_DIR=$1
+shift
 
 make -f ceg/Makefile SRC_DIR=$SRC_DIR OBJ=$OBJ
 
@@ -40,4 +36,5 @@ do
 	esac
 done
 touch ce/dummy
+touch ce/dummy1
 make -f $MAKE SRC_DIR=$SRC_DIR ce.$LIBSUF