On Mon, Oct 03, 2005 at 08:30:23PM +0200, Blaisorblade wrote:
> On Sunday 02 October 2005 22:54, Al Viro wrote:
> > BTW, speaking of Kbuild cleanups (and that one is definitely 2.6.15
> > fodder): patch below
> > * kills messing with lib vs. core for uml-amd64 (we don't need that
> > anymore)
> I'm even curious why we needed that in first place.
>
> > * kills symlinks in arch/um/sys-*/
> > * kills foo.c-dir - we simply give HOST_OBJS=<list of pathnames
> > under arch/$(SUBARCH)> and that's it (no SYMLINKS either)
>
> > Price: use of make feature I really, really hate - $(eval ...).
... not anymore
[that's post-2.6.14 stuff, IMO]
diff -urN RC14-rc3-git4-base/arch/um/Makefile-x86_64
RC14-rc3-git4-foo/arch/um/Makefile-x86_64
--- RC14-rc3-git4-base/arch/um/Makefile-x86_64 2005-09-12 14:33:28.000000000
-0400
+++ RC14-rc3-git4-foo/arch/um/Makefile-x86_64 2005-10-04 13:04:59.000000000
-0400
@@ -1,7 +1,7 @@
# Copyright 2003 - 2004 Pathscale, Inc
# Released under the GPL
-libs-y += arch/um/sys-x86_64/
+core-y += arch/um/sys-x86_64/
START := 0x60000000
#We #undef __x86_64__ for kernelspace, not for userspace where
diff -urN RC14-rc3-git4-base/arch/um/scripts/Makefile.rules
RC14-rc3-git4-foo/arch/um/scripts/Makefile.rules
--- RC14-rc3-git4-base/arch/um/scripts/Makefile.rules 2005-09-05
08:35:08.000000000 -0400
+++ RC14-rc3-git4-foo/arch/um/scripts/Makefile.rules 2005-10-04
13:04:59.000000000 -0400
@@ -26,19 +26,7 @@
$(patsubst -pg,,$(patsubst -fprofile-arcs -ftest-coverage,,$(1)))
endef
-quiet_cmd_make_link = SYMLINK $@
-cmd_make_link = ln -sf $(srctree)/arch/$(SUBARCH)/$($(notdir
$@)-dir)/$(notdir $@) $@
-
-# this needs to be before the foreach, because targets does not accept
-# complete paths like $(obj)/$(f). To make sure this works, use a := assignment
-# or we will get $(obj)/$(f) in the "targets" value.
-# Also, this forces you to use the := syntax when assigning to targets.
-# Otherwise the line below will cause an infinite loop (if you don't know why,
-# just do it).
-
-targets := $(targets) $(SYMLINKS)
-
-SYMLINKS := $(foreach f,$(SYMLINKS),$(obj)/$(f))
-
-$(SYMLINKS): FORCE
- $(call if_changed,make_link)
+ifdef subarch-obj-y
+obj-y += subarch.o
+subarch-y = $(addprefix ../../$(SUBARCH)/,$(subarch-obj-y))
+endif
diff -urN RC14-rc3-git4-base/arch/um/sys-i386/Makefile
RC14-rc3-git4-foo/arch/um/sys-i386/Makefile
--- RC14-rc3-git4-base/arch/um/sys-i386/Makefile 2005-09-12
14:33:28.000000000 -0400
+++ RC14-rc3-git4-foo/arch/um/sys-i386/Makefile 2005-10-04 13:04:59.000000000
-0400
@@ -1,21 +1,16 @@
-obj-y = bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
- ptrace_user.o semaphore.o signal.o sigcontext.o stub.o stub_segv.o \
+obj-y = bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
+ ptrace_user.o signal.o sigcontext.o stub.o stub_segv.o \
syscalls.o sysrq.o sys_call_table.o
-obj-$(CONFIG_HIGHMEM) += highmem.o
-obj-$(CONFIG_MODULES) += module.o
+subarch-obj-y = lib/bitops.o kernel/semaphore.o
+subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem.o
+subarch-obj-$(CONFIG_MODULES) += kernel/module.o
-USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
-SYMLINKS = bitops.c semaphore.c highmem.c module.c
+USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
include arch/um/scripts/Makefile.rules
-bitops.c-dir = lib
-semaphore.c-dir = kernel
-highmem.c-dir = mm
-module.c-dir = kernel
-
$(obj)/stub_segv.o : _c_flags = $(call unprofile,$(CFLAGS))
include arch/um/scripts/Makefile.unmap
diff -urN RC14-rc3-git4-base/arch/um/sys-x86_64/Makefile
RC14-rc3-git4-foo/arch/um/sys-x86_64/Makefile
--- RC14-rc3-git4-base/arch/um/sys-x86_64/Makefile 2005-09-12
14:33:28.000000000 -0400
+++ RC14-rc3-git4-foo/arch/um/sys-x86_64/Makefile 2005-10-04
13:04:59.000000000 -0400
@@ -4,29 +4,19 @@
# Licensed under the GPL
#
-#XXX: why into lib-y?
-lib-y = bitops.o bugs.o csum-partial.o delay.o fault.o mem.o memcpy.o \
- ptrace.o ptrace_user.o sigcontext.o signal.o stub.o \
- stub_segv.o syscalls.o syscall_table.o sysrq.o thunk.o
+obj-y = bugs.o delay.o fault.o mem.o ptrace.o ptrace_user.o sigcontext.o \
+ signal.o stub.o stub_segv.o syscalls.o syscall_table.o sysrq.o ksyms.o
-obj-y := ksyms.o
-obj-$(CONFIG_MODULES) += module.o um_module.o
+obj-$(CONFIG_MODULES) += um_module.o
+obj-$(CONFIG_MODE_SKAS) += clone.o
-USER_OBJS := ptrace_user.o sigcontext.o
+subarch-obj-y = lib/bitops.o lib/csum-partial.o lib/memcpy.o lib/thunk.o
+subarch-obj-$(CONFIG_MODULES) += kernel/module.o
-SYMLINKS = bitops.c csum-copy.S csum-partial.c csum-wrappers.c memcpy.S \
- thunk.S module.c
+USER_OBJS := ptrace_user.o sigcontext.o
include arch/um/scripts/Makefile.rules
-bitops.c-dir = lib
-csum-copy.S-dir = lib
-csum-partial.c-dir = lib
-csum-wrappers.c-dir = lib
-memcpy.S-dir = lib
-thunk.S-dir = lib
-module.c-dir = kernel
-
$(obj)/stub_segv.o: _c_flags = $(call unprofile,$(CFLAGS))
include arch/um/scripts/Makefile.unmap
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