[PATCH] [RESEND] [v2] Make "make sync" in kernel dir work for multiple archs

[Jerone Young <jyoung5@us.ibm.com>]

1 file changed, 37 insertions(+), 21 deletions(-)
kernel/Makefile |   58 +++++++++++++++++++++++++++++++++++--------------------


	- This adapts perviously sent patch to new changes to kernel/Makefile
	- Fixes improper check in conditional

This patch add the ability for make sync in the kernel directory to work for mulitiple architectures and not just x86.

Signed-off-by: Jerone Young <jyoung5@us.ibm.com>

diff --git a/kernel/Makefile b/kernel/Makefile
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -1,5 +1,10 @@ include ../config.mak
 include ../config.mak
 
+ARCH_DIR=$(ARCH)
+ifneq '$(filter $(ARCH_DIR), x86_64 i386)' ''
+	ARCH_DIR=x86
+endif
+ 
 KVERREL = $(patsubst /lib/modules/%/build,%,$(KERNELDIR))
 
 DESTDIR=
@@ -18,11 +23,25 @@ _hack = mv $1 $1.orig && \
 	    | sed '/\#include/! s/\blapic\b/l_apic/g' > $1 && rm $1.orig
 
 _unifdef = mv $1 $1.orig && \
-	  unifdef -DCONFIG_X86 $1.orig > $1; \
-          [ $$? -le 1 ] && rm $1.orig
+	unifdef -DCONFIG_$(shell echo $(ARCH_DIR)|tr '[:lower:]' '[:upper:]') $1.orig > $1; \
+	[ $$? -le 1 ] && rm $1.orig
 
 hack = $(call _hack,$T/$(strip $1))
 unifdef = $(call _unifdef,$T/$(strip $1))
+
+UNIFDEF_FILES = include/linux/kvm.h \
+		include/linux/kvm_para.h \
+		include/asm-$(ARCH_DIR)/kvm.h \
+		include/asm-$(ARCH_DIR)/kvm_para.h
+
+ifneq '$(filter $(ARCH_DIR), x86)' ''
+HACK_FILES = kvm_main.c \
+		mmu.c \
+		vmx.c \
+		svm.c \
+		x86.c \
+		irq.h 
+endif
 
 all::
 #	include header priority 1) $LINUX 2) $KERNELDIR 3) include-compat
@@ -39,17 +58,16 @@ header-sync:
 	rm -rf $T
 	rsync -R \
 	     "$(LINUX)"/./include/linux/kvm*.h \
-	     "$(LINUX)"/./include/asm-x86/kvm*.h \
-             $T/
-	mkdir -p include/linux include/asm-x86
-	ln -sf asm-x86 include/asm
-	ln -sf asm-x86 include-compat/asm
+	     "$(LINUX)"/./include/asm-$(ARCH_DIR)/kvm*.h \
+	     $T/
 
-	$(call unifdef, include/linux/kvm.h)
-	$(call unifdef, include/linux/kvm_para.h)
-	$(call unifdef, include/asm-x86/kvm.h)
-	$(call unifdef, include/asm-x86/kvm_para.h)
-	$(call hack, include/linux/kvm.h)
+	mkdir -p include/linux include/asm-$(ARCH_DIR)
+	ln -sf asm-$(ARCH_DIR) include/asm
+	ln -sf asm-$(ARCH_DIR) include-compat/asm
+
+	for i in $(UNIFDEF_FILES); \
+		do $(call unifdef, $$i); done
+
 	for i in $$(find $T -type f -printf '%P '); \
 		do cmp -s $$i $T/$$i || cp $T/$$i $$i; done
 	rm -rf $T
@@ -57,15 +75,13 @@ source-sync:
 source-sync:
 	rm -rf $T
 	rsync --exclude='*.mod.c' -R \
-             "$(LINUX)"/arch/x86/kvm/./*.[ch] \
-             "$(LINUX)"/virt/kvm/./*.[ch] \
-             $T/
-	$(call hack, kvm_main.c)
-	$(call hack, mmu.c)
-	$(call hack, vmx.c)
-	$(call hack, svm.c)
-	$(call hack, x86.c)
-	$(call hack, irq.h)
+	     "$(LINUX)"/arch/$(ARCH_DIR)/kvm/./*.[ch] \
+	     "$(LINUX)"/virt/kvm/./*.[ch] \
+	     $T/
+
+	for i in $(HACK_FILES); \
+		do $(call hack, $$i); done
+
 	for i in $$(find $T -type f -printf '%P '); \
 		do cmp -s $$i $T/$$i || cp $T/$$i $$i; done
 	rm -rf $T

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