[Xen-devel] [PATCH] linux/x86: Modify CPPFLAGS just in a single place

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

Reduces delta to native, thus making applying other patches easier.

As usual, written and tested against 2.6.24-rc3 and made apply against
2.6.18 without further testing.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

Index: head-2007-11-30/arch/i386/Makefile
===================================================================
--- head-2007-11-30.orig/arch/i386/Makefile     2007-12-06 14:56:17.000000000 
+0100
+++ head-2007-11-30/arch/i386/Makefile  2007-12-05 12:13:15.000000000 +0100
@@ -48,11 +48,6 @@ AFLAGS += $(call as-instr,.cfi_st
 
 CFLAGS += $(cflags-y)
 
-cppflags-$(CONFIG_XEN) += \
-       -D__XEN_INTERFACE_VERSION__=$(CONFIG_XEN_INTERFACE_VERSION)
-
-CPPFLAGS += $(cppflags-y)
-
 # Default subarch .c files
 mcore-y  := mach-default
 
@@ -115,7 +110,8 @@ PHONY += zImage bzImage vmlinuz compress
          zdisk bzdisk fdimage fdimage144 fdimage288 isoimage install
 
 ifdef CONFIG_XEN
-CPPFLAGS := -Iinclude$(if $(KBUILD_SRC),2)/asm/mach-xen $(CPPFLAGS)
+CPPFLAGS := -D__XEN_INTERFACE_VERSION__=$(CONFIG_XEN_INTERFACE_VERSION) \
+       -Iinclude$(if $(KBUILD_SRC),2)/asm/mach-xen $(CPPFLAGS)
 all: vmlinuz
 
 # KBUILD_IMAGE specifies the target image being built
Index: head-2007-11-30/arch/x86_64/Makefile
===================================================================
--- head-2007-11-30.orig/arch/x86_64/Makefile   2007-12-06 14:56:17.000000000 
+0100
+++ head-2007-11-30/arch/x86_64/Makefile        2007-12-05 09:45:49.000000000 
+0100
@@ -32,10 +32,6 @@ cflags-$(CONFIG_MCORE2) += \
 cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
 cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
 
-cppflags-$(CONFIG_XEN) += \
-       -D__XEN_INTERFACE_VERSION__=$(CONFIG_XEN_INTERFACE_VERSION)
-CPPFLAGS += $(cppflags-y)
-
 cflags-y += -m64
 cflags-y += -mno-red-zone
 cflags-y += -mcmodel=kernel
@@ -79,7 +75,8 @@ PHONY += bzImage bzlilo vmlinuz install 
         fdimage fdimage144 fdimage288 isoimage archclean
 
 ifdef CONFIG_XEN
-CPPFLAGS := -Iinclude$(if $(KBUILD_SRC),2)/asm/mach-xen $(CPPFLAGS)
+CPPFLAGS := -D__XEN_INTERFACE_VERSION__=$(CONFIG_XEN_INTERFACE_VERSION) \
+       -Iinclude$(if $(KBUILD_SRC),2)/asm/mach-xen $(CPPFLAGS)
 LDFLAGS_vmlinux := -e startup_64
 #Default target when executing "make"
 all: vmlinuz




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