diff --git a/src/system/Jamfile b/src/system/Jamfile
index 22ba2ded38..ac215689e0 100644
--- a/src/system/Jamfile
+++ b/src/system/Jamfile
@@ -1,173 +1,5 @@
 SubDir HAIKU_TOP src system ;
 
-KernelLd boot_loader :
-	boot_platform_$(TARGET_BOOT_PLATFORM).o
-	boot_loader.a
-	boot_partitions.a
-
-	# file systems
-	boot_bfs.a
-	boot_amiga_ffs.a
-	boot_tarfs.a
-
-	libz.a
-
-	# libroot functions needed by the stage2 boot loader
-	<$(SOURCE_GRIST)!libroot!os!arch!$(TARGET_ARCH)>byteorder.o
-	<$(SOURCE_GRIST)!libroot>ctype.o
-	<$(SOURCE_GRIST)!libroot>kernel_vsprintf.o
-	<$(SOURCE_GRIST)!libroot!posix!string>memset.o
-	<$(SOURCE_GRIST)!libroot!posix!string>memcmp.o
-	<$(SOURCE_GRIST)!libroot!posix!string>memcpy.o
-	<$(SOURCE_GRIST)!libroot!posix!string>memmove.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strdup.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strlen.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strnlen.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strcmp.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strcasecmp.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strncmp.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strcat.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strcpy.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strlcat.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strlcpy.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strchr.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strrchr.o
-	<$(SOURCE_GRIST)!libroot!posix!stdlib>strtol.o
-	<$(SOURCE_GRIST)!libroot>qsort.o
-	<$(SOURCE_GRIST)!kernel!arch!$(TARGET_ARCH)>cpuid.o
-	: $(SUBDIR)/ldscripts/$(TARGET_ARCH)/boot_loader.ld 
-	: -Bstatic
-	;
-
-rule BuildZbeos {
-	local zbeos = $(1) ;
-	local bootLoader = $(2) ;
-
-	Depends $(zbeos) : $(bootLoader) ;
-	MakeLocateDebug $(zbeos) ;
-}
-
-actions BuildZbeos {
-	rm -f $(1)
-	$(TARGET_OBJCOPY) -O binary $(2) $(1)
-}
-
-BuildZbeos zbeos : boot_loader ;
-
-KernelLd stage2 :
-	boot_arch_stage2.o
-
-	# posix functions needed by the stage2 boot loader
-	<$(SOURCE_GRIST)!libroot>ctype.o
-	<$(SOURCE_GRIST)!libroot>kernel_vsprintf.o
-	<$(SOURCE_GRIST)!libroot!posix!string>memset.o
-	<$(SOURCE_GRIST)!libroot!posix!string>memcpy.o
-	<$(SOURCE_GRIST)!libroot!posix!string>strnlen.o
-	: $(SUBDIR)/ldscripts/$(TARGET_ARCH)/stage2.ld 
-	: -dN
-	:
-	;
-
-KernelLd kernel_$(TARGET_ARCH) :
-	kernel_core.o
-	kernel_fs.o
-	kernel_vm.o
-	kernel_cache.o
-	kernel_device_manager.o
-	kernel_disk_device_manager.o
-	kernel_util.o
-	kernel_messaging.o
-	kernel_debug.o
-
-	lib$(TARGET_ARCH).a
-
-	linkhack.so
-
-	# kernel libroot parts
-	kernel_os_main.o
-	kernel_os_arch_$(TARGET_ARCH).o
-	kernel_posix.o
-
-	$(HAIKU_STATIC_LIBSUPC++)
-
-	: $(SUBDIR)/ldscripts/$(TARGET_ARCH)/kernel.ld 
-	: -Bdynamic -export-dynamic -dynamic-linker /foo/bar
-	:
-	;
-
-KernelLd kernel.so :
-	kernel_core.o
-	kernel_fs.o
-	kernel_vm.o
-	kernel_cache.o
-	kernel_device_manager.o
-	kernel_disk_device_manager.o
-	kernel_util.o
-	kernel_messaging.o
-	kernel_debug.o
-
-	lib$(TARGET_ARCH).a
-
-	linkhack.so
-
-	# kernel libroot parts
-	kernel_os_main.o
-	kernel_os_arch_$(TARGET_ARCH).o
-	kernel_posix.o
-
-	$(HAIKU_STATIC_LIBSUPC++)
-
-	: $(SUBDIR)/ldscripts/$(TARGET_ARCH)/kernel.ld 
-	: -Bdynamic -shared -export-dynamic -dynamic-linker /foo/bar
-	;
-
-UnarchiveObjects $(TARGET_GCC_LIBGCC_OBJECTS) : $(TARGET_GCC_LIBGCC) ;
-	# we need to link against libgcc.a objects and make
-	# it available to other applications as in BeOS
-
-local librootObjects = 
-	os_main.o
-	os_arch_$(TARGET_ARCH).o
-
-	posix_arch_$(TARGET_ARCH).o
-	posix_crypt.o
-	posix_locale.o
-	posix_main.o
-	posix_malloc.o
-	posix_math.o
-	posix_math_arch_$(TARGET_ARCH).o
-	posix_pthread.o
-	posix_signal.o
-	posix_stdio.o
-	posix_gnu_arch_$(TARGET_ARCH).o
-	posix_gnu_ctype.o
-	posix_gnu_ext.o
-	posix_gnu_libio.o
-	posix_gnu_locale.o
-	posix_gnu_regex.o
-	posix_gnu_stdio.o
-	posix_gnu_stdlib.o
-	posix_gnu_wcsmbs.o
-	posix_gnu_wctype.o
-	posix_stdlib.o
-	posix_string.o
-	posix_sys.o
-	posix_time.o
-	posix_unistd.o
-;
-
-SharedLibraryFromObjects libroot.so : :
-	$(TARGET_GCC_LIBGCC_OBJECTS)
-	<$(SOURCE_GRIST)!libroot>libroot_init.o
-
-	$(librootObjects:G=nogrist)
-;
-
-NotFile kernel ;
-Depends kernel : kernel_$(TARGET_ARCH) ;
-Depends kernel.so : kernel ;
-	# kernel.so will be rebuilt with the kernel
-
 SubInclude HAIKU_TOP src system boot ;
 SubInclude HAIKU_TOP src system kernel ;
 SubInclude HAIKU_TOP src system glue ;
diff --git a/src/system/boot/Jamfile b/src/system/boot/Jamfile
index 74c94b2d3a..1669c934c3 100644
--- a/src/system/boot/Jamfile
+++ b/src/system/boot/Jamfile
@@ -1,4 +1,72 @@
 SubDir HAIKU_TOP src system boot ;
 
+KernelObjects byteorder.S ;
+
+SEARCH on [ FGristFiles byteorder.S ]
+	= [ FDirName $(HAIKU_TOP) src system libroot os arch $(TARGET_ARCH) ] ;
+
+local librootFunctions =
+	ctype.o
+	qsort.o
+	kernel_vsprintf.o
+	memset.o
+	memcmp.o
+	memcpy.o
+	memmove.o
+	strdup.o
+	strlen.o
+	strnlen.o
+	strcmp.o
+	strcasecmp.o
+	strncmp.o
+	strcat.o
+	strcpy.o
+	strlcat.o
+	strlcpy.o
+	strchr.o
+	strrchr.o
+	strtol.o
+;
+
+KernelLd boot_loader :
+	boot_platform_$(TARGET_BOOT_PLATFORM).o
+	boot_loader.a
+	boot_partitions.a
+
+	# file systems
+	boot_bfs.a
+	boot_amiga_ffs.a
+	boot_tarfs.a
+
+	libz.a
+
+	# libroot functions needed by the stage2 boot loader (compiled for the
+	# kernel)
+	$(librootFunctions:G=src!system!kernel!lib)
+
+	[ FGristFiles byteorder.o ]
+
+	# other kernel objects
+	<src!system!kernel!arch!$(TARGET_ARCH)>cpuid.o
+
+	: $(HAIKU_TOP)/src/system/ldscripts/$(TARGET_ARCH)/boot_loader.ld 
+	: -Bstatic
+	;
+
+rule BuildZbeos {
+	local zbeos = $(1) ;
+	local bootLoader = $(2) ;
+
+	Depends $(zbeos) : $(bootLoader) ;
+	MakeLocateDebug $(zbeos) ;
+}
+
+actions BuildZbeos {
+	rm -f $(1)
+	$(TARGET_OBJCOPY) -O binary $(2) $(1)
+}
+
+BuildZbeos zbeos : boot_loader ;
+
 SubInclude HAIKU_TOP src system boot platform ;
 SubInclude HAIKU_TOP src system boot loader ;
diff --git a/src/system/kernel/Jamfile b/src/system/kernel/Jamfile
index 45d29409e1..be1a9d86a6 100644
--- a/src/system/kernel/Jamfile
+++ b/src/system/kernel/Jamfile
@@ -38,7 +38,7 @@ KernelMergeObject kernel_core.o :
 	timer.c
 
 	: -fno-pic
-	;
+;
 
 # We need to specify the dependency on the generated syscalls files explicitly.
 Includes [ FGristFiles syscalls.c ]
@@ -49,7 +49,66 @@ KernelLd linkhack.so :
 	:
 	:
 	-shared -Bdynamic
-	;
+;
+
+KernelLd kernel_$(TARGET_ARCH) :
+	kernel_core.o
+	kernel_fs.o
+	kernel_vm.o
+	kernel_cache.o
+	kernel_device_manager.o
+	kernel_disk_device_manager.o
+	kernel_util.o
+	kernel_messaging.o
+	kernel_debug.o
+
+	lib$(TARGET_ARCH).a
+
+	linkhack.so
+
+	# kernel libroot parts
+	kernel_os_main.o
+	kernel_os_arch_$(TARGET_ARCH).o
+	kernel_posix.o
+
+	$(HAIKU_STATIC_LIBSUPC++)
+
+	: $(HAIKU_TOP)/src/system/ldscripts/$(TARGET_ARCH)/kernel.ld 
+	: -Bdynamic -export-dynamic -dynamic-linker /foo/bar
+	:
+;
+
+KernelLd kernel.so :
+	kernel_core.o
+	kernel_fs.o
+	kernel_vm.o
+	kernel_cache.o
+	kernel_device_manager.o
+	kernel_disk_device_manager.o
+	kernel_util.o
+	kernel_messaging.o
+	kernel_debug.o
+
+	lib$(TARGET_ARCH).a
+
+	linkhack.so
+
+	# kernel libroot parts
+	kernel_os_main.o
+	kernel_os_arch_$(TARGET_ARCH).o
+	kernel_posix.o
+
+	$(HAIKU_STATIC_LIBSUPC++)
+
+	: $(HAIKU_TOP)/src/system/ldscripts/$(TARGET_ARCH)/kernel.ld 
+	: -Bdynamic -shared -export-dynamic -dynamic-linker /foo/bar
+;
+
+NotFile kernel ;
+Depends kernel : kernel_$(TARGET_ARCH) ;
+Depends kernel.so : kernel ;
+	# kernel.so will be rebuilt with the kernel
+
 
 SubInclude HAIKU_TOP src system kernel arch ;
 SubInclude HAIKU_TOP src system kernel cache ;
@@ -57,6 +116,7 @@ SubInclude HAIKU_TOP src system kernel device_manager ;
 SubInclude HAIKU_TOP src system kernel debug ;
 SubInclude HAIKU_TOP src system kernel disk_device_manager ;
 SubInclude HAIKU_TOP src system kernel fs ;
+SubInclude HAIKU_TOP src system kernel lib ;
 SubInclude HAIKU_TOP src system kernel messaging ;
 SubInclude HAIKU_TOP src system kernel util ;
 SubInclude HAIKU_TOP src system kernel vm ;
diff --git a/src/system/kernel/lib/Jamfile b/src/system/kernel/lib/Jamfile
new file mode 100644
index 0000000000..67ca4d4d19
--- /dev/null
+++ b/src/system/kernel/lib/Jamfile
@@ -0,0 +1,112 @@
+SubDir HAIKU_TOP src system kernel lib ;
+
+#UsePrivateHeaders libroot ;
+
+# kernel libroot os files
+
+# until the build system is fixed (and no longer uses kernel build rules
+# for libroot.so), the KERNEL_OS_MAIN is needed to differentiate between
+# kernel and userland builds here
+
+KernelMergeObject kernel_os_main.o :
+	driver_settings.c
+	fs_info.c
+	: -fno-pic -DKERNEL_OS_MAIN
+;
+
+SEARCH on [ FGristFiles driver_settings.c fs_info.c ]
+	= [ FDirName $(HAIKU_TOP) src system libroot os ] ;
+
+# kernel libroot posix files
+
+local posixSources = [ FDirName $(HAIKU_TOP) src system libroot posix ] ;
+
+SEARCH_SOURCE += [ FDirName $(posixSources) ] ;
+SEARCH_SOURCE += [ FDirName $(posixSources) locale ] ;
+SEARCH_SOURCE += [ FDirName $(posixSources) stdio ] ;
+SEARCH_SOURCE += [ FDirName $(posixSources) stdlib ] ;
+SEARCH_SOURCE += [ FDirName $(posixSources) string ] ;
+SEARCH_SOURCE += [ FDirName $(posixSources) sys ] ;
+SEARCH_SOURCE += [ FDirName $(posixSources) time ] ;
+SEARCH_SOURCE += [ FDirName $(posixSources) unistd ] ;
+
+KernelMergeObject kernel_posix.o :
+	# main
+ 	kerrno.c
+ 	dirent.c
+ 	poll.c
+ 	utime.c
+ 	# locale
+	ctype.c
+	# stdio (this subdir)
+	kernel_vsprintf.c
+	# stdlib
+	abs.c
+	atoi.c
+	bsearch.c
+	merge.c
+	qsort.c
+	rand.c
+	random.c
+	strtol.c
+	strtoll.c
+	strtoul.c
+	strtoull.c
+	# sys
+	chmod.c
+	stat.c
+	mkdir.c
+	select.c
+	gettimeofday.c
+ 	uio.c
+	# time
+	time.c
+	# unistd
+	access.c
+	chown.c
+	close.c
+	conf.c
+	directory.c
+	dup.c
+	fcntl.c
+	hostname.c
+	ioctl.c
+	link.c
+	lseek.c
+	mount.c
+	open.c
+	read.c
+	sync.c
+	truncate.c
+	usergroup.c
+	write.c
+	# string
+	memchr.c
+	memcmp.c
+	memcpy.c
+	memmove.c
+	memset.c
+	strcasecmp.c
+	strcasestr.c
+	strcat.c
+	strchr.c
+	strcmp.c
+	strcpy.c
+	strcspn.c
+	strdup.c
+	strerror.c
+	strlcat.c
+	strlcpy.c
+	strlen.c
+	strncat.c
+	strncmp.c
+	strncpy.c
+	strnlen.c
+	strpbrk.c
+	strrchr.c
+	strspn.c
+	strstr.c
+	strtok.c
+
+	: -fno-pic
+;
diff --git a/src/system/libroot/posix/stdio/kernel_vsprintf.c b/src/system/kernel/lib/kernel_vsprintf.c
similarity index 100%
rename from src/system/libroot/posix/stdio/kernel_vsprintf.c
rename to src/system/kernel/lib/kernel_vsprintf.c
diff --git a/src/system/libroot/Jamfile b/src/system/libroot/Jamfile
index 5c401fe855..8ded7d9cc5 100644
--- a/src/system/libroot/Jamfile
+++ b/src/system/libroot/Jamfile
@@ -1,119 +1,51 @@
 SubDir HAIKU_TOP src system libroot ;
 
 UsePrivateHeaders libroot ;
+UsePrivateHeaders kernel ;
 
-KernelObjects
-	<$(SOURCE_GRIST)>libroot_init.c
-	: -fPIC -DPIC
-	;
+UnarchiveObjects $(TARGET_GCC_LIBGCC_OBJECTS) : $(TARGET_GCC_LIBGCC) ;
+	# we need to link against libgcc.a objects and make
+	# it available to other applications as in BeOS
 
-# kernel libroot os files
+local librootObjects = 
+	os_main.o
+	os_arch_$(TARGET_ARCH).o
 
-# until the build system is fixed (and no longer uses kernel build rules
-# for libroot.so), the KERNEL_OS_MAIN is needed to differentiate between
-# kernel and userland builds here
+	posix_arch_$(TARGET_ARCH).o
+	posix_crypt.o
+	posix_locale.o
+	posix_main.o
+	posix_malloc.o
+	posix_math.o
+	posix_math_arch_$(TARGET_ARCH).o
+	posix_pthread.o
+	posix_signal.o
+	posix_stdio.o
+	posix_gnu_arch_$(TARGET_ARCH).o
+	posix_gnu_ctype.o
+	posix_gnu_ext.o
+	posix_gnu_libio.o
+	posix_gnu_locale.o
+	posix_gnu_regex.o
+	posix_gnu_stdio.o
+	posix_gnu_stdlib.o
+	posix_gnu_wcsmbs.o
+	posix_gnu_wctype.o
+	posix_stdlib.o
+	posix_string.o
+	posix_sys.o
+	posix_time.o
+	posix_unistd.o
+;
 
-KernelMergeObject kernel_os_main.o :
-	driver_settings.c
-	fs_info.c
-	: -fno-pic -DKERNEL_OS_MAIN
-	;
+SharedLibrary libroot.so
+	:
+	libroot_init.c
+	:
+	$(TARGET_GCC_LIBGCC_OBJECTS)
 
-SEARCH on [ FGristFiles
-		driver_settings.c fs_info.c
-	] = [ FDirName $(HAIKU_TOP) src system libroot os ] ;
-
-# kernel libroot posix files
-
-SEARCH_SOURCE += [ FDirName $(SUBDIR) posix ] ;
-SEARCH_SOURCE += [ FDirName $(SUBDIR) posix locale ] ;
-SEARCH_SOURCE += [ FDirName $(SUBDIR) posix stdio ] ;
-SEARCH_SOURCE += [ FDirName $(SUBDIR) posix stdlib ] ;
-SEARCH_SOURCE += [ FDirName $(SUBDIR) posix string ] ;
-SEARCH_SOURCE += [ FDirName $(SUBDIR) posix sys ] ;
-SEARCH_SOURCE += [ FDirName $(SUBDIR) posix time ] ;
-SEARCH_SOURCE += [ FDirName $(SUBDIR) posix unistd ] ;
-
-KernelMergeObject kernel_posix.o :
-	# main
- 	kerrno.c
- 	dirent.c
- 	poll.c
- 	utime.c
- 	# locale
-	ctype.c
-	# stdio
-	kernel_vsprintf.c
-	# stdlib
-	abs.c
-	atoi.c
-	bsearch.c
-	merge.c
-	qsort.c
-	rand.c
-	random.c
-	strtol.c
-	strtoll.c
-	strtoul.c
-	strtoull.c
-	# sys
-	chmod.c
-	stat.c
-	mkdir.c
-	select.c
-	gettimeofday.c
- 	uio.c
-	# time
-	time.c
-	# unistd
-	access.c
-	chown.c
-	close.c
-	conf.c
-	directory.c
-	dup.c
-	fcntl.c
-	hostname.c
-	ioctl.c
-	link.c
-	lseek.c
-	mount.c
-	open.c
-	read.c
-	sync.c
-	truncate.c
-	usergroup.c
-	write.c
-	# string
-	memchr.c
-	memcmp.c
-	memcpy.c
-	memmove.c
-	memset.c
-	strcasecmp.c
-	strcasestr.c
-	strcat.c
-	strchr.c
-	strcmp.c
-	strcpy.c
-	strcspn.c
-	strdup.c
-	strerror.c
-	strlcat.c
-	strlcpy.c
-	strlen.c
-	strncat.c
-	strncmp.c
-	strncpy.c
-	strnlen.c
-	strpbrk.c
-	strrchr.c
-	strspn.c
-	strstr.c
-	strtok.c
-
-	: -fno-pic
-	;
+	$(librootObjects:G=nogrist)
+;
 
 SubInclude HAIKU_TOP src system libroot os ;
 SubInclude HAIKU_TOP src system libroot posix ;
diff --git a/src/system/runtime_loader/Jamfile b/src/system/runtime_loader/Jamfile
index 07f946f7ca..cd09e391ee 100644
--- a/src/system/runtime_loader/Jamfile
+++ b/src/system/runtime_loader/Jamfile
@@ -9,7 +9,14 @@ KernelObjects
 	rldelf.c
 	rldheap.c
 	rldaux.c
-	: -fpic ;
+	
+	kernel_vsprintf.c
+	
+	: -fpic
+;
+
+SEARCH on [ FGristFiles kernel_vsprintf.c ]
+	= [ FDirName $(HAIKU_TOP) src system kernel lib ] ;
 
 KernelStaticLibraryObjects librld.a :
 	# needed for rld.so only
@@ -23,7 +30,6 @@ KernelStaticLibraryObjects librld.a :
  	<src!system!libroot!posix!glibc!ctype>ctype-info.o
 	<src!system!libroot!posix!glibc!locale>C-ctype.o
 	<src!system!libroot!posix!glibc!locale>C_name.o
-  	<src!system!libroot>kernel_vsprintf.o
   	<src!system!libroot!posix!unistd>open.o
 
 	<src!system!libroot!posix!string>memchr.o
@@ -48,16 +54,13 @@ KernelStaticLibraryObjects librld.a :
 	<src!system!libroot!posix!string>strrchr.o
 	<src!system!libroot!posix!string>strspn.o
 	<src!system!libroot!posix!string>strstr.o
-	;
+;
 
 KernelLd rld.so :
-	<$(SOURCE_GRIST)>rld.o
-	<$(SOURCE_GRIST)>rldelf.o
-	<$(SOURCE_GRIST)>rldexport.o
-	<$(SOURCE_GRIST)>rldheap.o
-	<$(SOURCE_GRIST)>rldaux.o
+	[ FGristFiles rld.o rldelf.o rldexport.o rldheap.o rldaux.o
+		kernel_vsprintf.o ]
 	librld.a
 	: $(SUBDIR)/arch/$(TARGET_ARCH)/rld.ld
 	:
 	:
-	;
+;