um: merge Makefile-{i386,x86_64}

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/arch/um/Makefile b/arch/um/Makefile
index bd0587e5c466ce0c9ab34fef3572dbf391a80029..7492ee5837c48b31102c2413f40c88b270620ad9 100644 (file)
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -20,8 +20,18 @@ core-y                       += $(ARCH_DIR)/kernel/          \
 
 MODE_INCLUDE   += -I$(srctree)/$(ARCH_DIR)/include/shared/skas
 
+HEADER_ARCH    := $(SUBARCH)
+
+# Additional ARCH settings for x86
+ifeq ($(SUBARCH),i386)
+        HEADER_ARCH := x86
+endif
+ifeq ($(SUBARCH),x86_64)
+        HEADER_ARCH := x86
+endif
+
 include $(srctree)/$(ARCH_DIR)/Makefile-skas
-include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
+include $(srctree)/$(ARCH_DIR)/Makefile-$(HEADER_ARCH)
 
 SHARED_HEADERS := $(ARCH_DIR)/include/shared
 ARCH_INCLUDE   := -I$(srctree)/$(SHARED_HEADERS)

diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
deleted file mode 100644 (file)
index 57acfd6..0000000
--- a/arch/um/Makefile-i386
+++ /dev/null
@@ -1,38 +0,0 @@
-core-y += arch/um/sys-x86/ arch/x86/crypto/
-
-START := 0x8048000
-
-LDFLAGS                        += -m elf_i386
-ELF_ARCH               := i386
-ELF_FORMAT             := elf32-i386
-HEADER_ARCH            := x86
-CHECKFLAGS     += -D__i386__
-
-ifeq ("$(origin SUBARCH)", "command line")
-ifneq ("$(shell uname -m | sed -e s/i.86/i386/)", "$(SUBARCH)")
-KBUILD_CFLAGS          += $(call cc-option,-m32)
-KBUILD_AFLAGS          += $(call cc-option,-m32)
-LINK-y                 += $(call cc-option,-m32)
-
-export LDFLAGS
-endif
-endif
-
-# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
-include $(srctree)/arch/x86/Makefile_32.cpu
-
-# prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
-cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
-
-# Prevent sprintf in nfsd from being converted to strcpy and resulting in
-# an unresolved reference.
-cflags-y += -ffreestanding
-
-# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
-# a lot more stack due to the lack of sharing of stacklots.  Also, gcc
-# 4.3.0 needs -funit-at-a-time for extern inline functions.
-KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
-                       echo $(call cc-option,-fno-unit-at-a-time); \
-                       else echo $(call cc-option,-funit-at-a-time); fi ;)
-
-KBUILD_CFLAGS += $(cflags-y)

diff --git a/arch/um/Makefile-x86 b/arch/um/Makefile-x86
new file mode 100644 (file)
index 0000000..68fbd1b
--- /dev/null
+++ b/arch/um/Makefile-x86
@@ -0,0 +1,61 @@
+core-y += arch/um/sys-x86/ arch/x86/crypto/
+
+ifeq ($(CONFIG_X86_32),y)
+START := 0x8048000
+
+LDFLAGS                        += -m elf_i386
+ELF_ARCH               := i386
+ELF_FORMAT             := elf32-i386
+CHECKFLAGS     += -D__i386__
+
+ifeq ("$(origin SUBARCH)", "command line")
+ifneq ("$(shell uname -m | sed -e s/i.86/i386/)", "$(SUBARCH)")
+KBUILD_CFLAGS          += $(call cc-option,-m32)
+KBUILD_AFLAGS          += $(call cc-option,-m32)
+LINK-y                 += $(call cc-option,-m32)
+
+export LDFLAGS
+endif
+endif
+
+# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
+include $(srctree)/arch/x86/Makefile_32.cpu
+
+# prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
+cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
+
+# Prevent sprintf in nfsd from being converted to strcpy and resulting in
+# an unresolved reference.
+cflags-y += -ffreestanding
+
+# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
+# a lot more stack due to the lack of sharing of stacklots.  Also, gcc
+# 4.3.0 needs -funit-at-a-time for extern inline functions.
+KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
+                       echo $(call cc-option,-fno-unit-at-a-time); \
+                       else echo $(call cc-option,-funit-at-a-time); fi ;)
+
+KBUILD_CFLAGS += $(cflags-y)
+
+else
+
+START := 0x60000000
+
+KBUILD_CFLAGS += -fno-builtin -m64 
+
+CHECKFLAGS  += -m64 -D__x86_64__
+KBUILD_AFLAGS += -m64
+LDFLAGS += -m elf_x86_64
+KBUILD_CPPFLAGS += -m64
+
+ELF_ARCH := i386:x86-64
+ELF_FORMAT := elf64-x86-64
+
+# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
+
+LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
+LINK-y += -m64
+
+# Do unit-at-a-time unconditionally on x86_64, following the host
+KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
+endif

diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
deleted file mode 100644 (file)
index 92d8f8f..0000000
--- a/arch/um/Makefile-x86_64
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright 2003 - 2004 Pathscale, Inc
-# Released under the GPL
-
-core-y += arch/um/sys-x86/ arch/x86/crypto/
-START := 0x60000000
-
-_extra_flags_ = -fno-builtin -m64
-
-KBUILD_CFLAGS += $(_extra_flags_)
-
-CHECKFLAGS  += -m64 -D__x86_64__
-KBUILD_AFLAGS += -m64
-LDFLAGS += -m elf_x86_64
-KBUILD_CPPFLAGS += -m64
-
-ELF_ARCH := i386:x86-64
-ELF_FORMAT := elf64-x86-64
-HEADER_ARCH := x86
-
-# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
-
-LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
-LINK-y += -m64
-
-# Do unit-at-a-time unconditionally on x86_64, following the host
-KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)