Add BOOTTARGETFLAGS variable with target / ABI options common to
CFLAGS and AFLAGS.

Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
 arch/powerpc/boot/Makefile | 40 ++++++++++++++++++++------------------
 1 file changed, 21 insertions(+), 19 deletions(-)

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 85cde5bf04b7..84a5b630c739 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -41,36 +41,48 @@ BOOTCFLAGS    := -Wall -Wundef -Wstrict-prototypes 
-Wno-trigraphs \
                 $(LINUXINCLUDE)
 
 ifdef CONFIG_PPC64_BOOT_WRAPPER
-BOOTCFLAGS     += -m64
+BOOTTARGETFLAGS        := -m64
 ifdef CONFIG_PPC64_ELF_ABI_V2
-BOOTCFLAGS     += $(call cc-option,-mabi=elfv2)
+BOOTTARGETFLAGS        += $(call cc-option,-mabi=elfv2)
 endif
 else
-BOOTCFLAGS     += -m32
+BOOTTARGETFLAGS        := -m32
 endif
 
 ifdef CONFIG_TARGET_CPU_BOOL
-BOOTCFLAGS     += -mcpu=$(CONFIG_TARGET_CPU)
+BOOTTARGETFLAGS        += -mcpu=$(CONFIG_TARGET_CPU)
 else ifdef CONFIG_PPC64_BOOT_WRAPPER
 ifdef CONFIG_CPU_LITTLE_ENDIAN
-BOOTCFLAGS     += -mcpu=powerpc64le
+BOOTTARGETFLAGS        += -mcpu=powerpc64le
 else
-BOOTCFLAGS     += -mcpu=powerpc64
+BOOTTARGETFLAGS        += -mcpu=powerpc64
 endif
 endif
 
+$(obj)/4xx.o: BOOTTARGETFLAGS += -mcpu=405
+$(obj)/ebony.o: BOOTTARGETFLAGS += -mcpu=440
+$(obj)/cuboot-hotfoot.o: BOOTTARGETFLAGS += -mcpu=405
+$(obj)/cuboot-taishan.o: BOOTTARGETFLAGS += -mcpu=440
+$(obj)/cuboot-katmai.o: BOOTTARGETFLAGS += -mcpu=440
+$(obj)/cuboot-acadia.o: BOOTTARGETFLAGS += -mcpu=405
+$(obj)/treeboot-iss4xx.o: BOOTTARGETFLAGS += -mcpu=405
+$(obj)/treeboot-currituck.o: BOOTTARGETFLAGS += -mcpu=405
+$(obj)/treeboot-akebono.o: BOOTTARGETFLAGS += -mcpu=405
+
 BOOTCFLAGS     += -isystem $(shell $(BOOTCC) -print-file-name=include)
 
 ifdef CONFIG_CPU_BIG_ENDIAN
-BOOTCFLAGS     += -mbig-endian
+BOOTTARGETFLAGS        += -mbig-endian
 else
-BOOTCFLAGS     += -mlittle-endian
+BOOTTARGETFLAGS        += -mlittle-endian
 endif
 
-BOOTAFLAGS     := -D__ASSEMBLY__ $(BOOTCFLAGS) -nostdinc
+BOOTAFLAGS     := -D__ASSEMBLY__ $(BOOTTARGETFLAGS) $(BOOTCFLAGS) -nostdinc
 
 BOOTARFLAGS    := -crD
 
+BOOTCFLAGS     += $(BOOTTARGETFLAGS)
+
 ifdef CONFIG_CC_IS_CLANG
 BOOTCFLAGS += $(CLANG_FLAGS)
 BOOTAFLAGS += $(CLANG_FLAGS)
@@ -89,16 +101,6 @@ BOOTCFLAGS  += -I$(objtree)/$(obj) -I$(srctree)/$(obj)
 
 DTC_FLAGS      ?= -p 1024
 
-$(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
-$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
-$(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -mcpu=405
-$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
-$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
-$(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
-$(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405
-$(obj)/treeboot-currituck.o: BOOTCFLAGS += -mcpu=405
-$(obj)/treeboot-akebono.o: BOOTCFLAGS += -mcpu=405
-
 # The pre-boot decompressors pull in a lot of kernel headers and other source
 # files. This creates a bit of a dependency headache since we need to copy
 # these files into the build dir, fix up any includes and ensure that dependent
-- 
2.40.0

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