From 6825a95b0ba72c4e5667d02d8b31986e2e9abd5a Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.m@jp.panasonic.com>
Date: Tue, 4 Feb 2014 17:24:28 +0900
Subject: kbuild: use Linux Kernel build scripts

Now we are ready to switch over to real Kbuild.

This commit disables temporary scripts:
  scripts/{Makefile.build.tmp, Makefile.host.tmp}
and enables real Kbuild scripts:
  scripts/{Makefile.build,Makefile.host,Makefile.lib}.

This switch is triggered by the line in scripts/Kbuild.include
  -build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build.tmp obj
  +build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj

We need to adjust some build scripts for U-Boot.
But smaller amount of modification is preferable.

Additionally, we need to fix compiler flags which are
locally added or removed.

In Kbuild, it is not allowed to change CFLAGS locally.
Instead, ccflags-y, asflags-y, cppflags-y,
CFLAGS_$(basetarget).o, CFLAGS_REMOVE_$(basetarget).o
are prepared for that purpose.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Tested-by: Gerhard Sittig <gsi@denx.de>
---
 nand_spl/board/amcc/acadia/Makefile           | 9 +++++----
 nand_spl/board/amcc/bamboo/Makefile           | 9 +++++----
 nand_spl/board/amcc/canyonlands/Makefile      | 9 +++++----
 nand_spl/board/amcc/kilauea/Makefile          | 9 +++++----
 nand_spl/board/amcc/sequoia/Makefile          | 9 +++++----
 nand_spl/board/freescale/mpc8315erdb/Makefile | 9 +++++----
 nand_spl/board/freescale/mpc8536ds/Makefile   | 9 +++++----
 nand_spl/board/freescale/mpc8569mds/Makefile  | 9 +++++----
 nand_spl/board/freescale/mpc8572ds/Makefile   | 9 +++++----
 nand_spl/board/freescale/p1023rds/Makefile    | 9 +++++----
 nand_spl/board/freescale/p1_p2_rdb/Makefile   | 9 +++++----
 nand_spl/board/sheldon/simpc8313/Makefile     | 9 +++++----
 12 files changed, 60 insertions(+), 48 deletions(-)

(limited to 'nand_spl/board')

diff --git a/nand_spl/board/amcc/acadia/Makefile b/nand_spl/board/amcc/acadia/Makefile
index 041213f..d256abf 100644
--- a/nand_spl/board/amcc/acadia/Makefile
+++ b/nand_spl/board/amcc/acadia/Makefile
@@ -12,17 +12,18 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
 LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
 	   $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o resetvec.o cache.o
 COBJS	= gpio.o nand_boot.o nand_ecc.o memory.o ndfc.o pll.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin \
 	$(nandobj)System.map
 
@@ -42,7 +43,7 @@ $(nandobj)System.map:	$(nandobj)u-boot-spl
 		sort > $@
 
 $(nandobj)u-boot.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 
 # create symbolic links for common files
 
diff --git a/nand_spl/board/amcc/bamboo/Makefile b/nand_spl/board/amcc/bamboo/Makefile
index 92b604e..4f36d6c 100644
--- a/nand_spl/board/amcc/bamboo/Makefile
+++ b/nand_spl/board/amcc/bamboo/Makefile
@@ -12,17 +12,18 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
 LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
 	   $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o init.o resetvec.o
 COBJS	= nand_boot.o nand_ecc.o ndfc.o sdram.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -36,7 +37,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 
 # create symbolic links for common files
 
diff --git a/nand_spl/board/amcc/canyonlands/Makefile b/nand_spl/board/amcc/canyonlands/Makefile
index 9a730e9..5c9c8e8 100644
--- a/nand_spl/board/amcc/canyonlands/Makefile
+++ b/nand_spl/board/amcc/canyonlands/Makefile
@@ -12,8 +12,8 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
 LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
 	   $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	:= start.o
 SOBJS	+= init.o
@@ -23,11 +23,12 @@ COBJS	+= nand_boot.o
 COBJS	+= nand_ecc.o
 COBJS	+= ndfc.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -41,7 +42,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 
 # create symbolic links for common files
 
diff --git a/nand_spl/board/amcc/kilauea/Makefile b/nand_spl/board/amcc/kilauea/Makefile
index 1c5498c..cfe3082 100644
--- a/nand_spl/board/amcc/kilauea/Makefile
+++ b/nand_spl/board/amcc/kilauea/Makefile
@@ -12,17 +12,18 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
 LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
 	   $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o resetvec.o cache.o
 COBJS	= 44x_spd_ddr2.o nand_boot.o nand_ecc.o ndfc.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -36,7 +37,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 
 # create symbolic links for common files
 
diff --git a/nand_spl/board/amcc/sequoia/Makefile b/nand_spl/board/amcc/sequoia/Makefile
index 62131ab..de02886 100644
--- a/nand_spl/board/amcc/sequoia/Makefile
+++ b/nand_spl/board/amcc/sequoia/Makefile
@@ -12,17 +12,18 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
 LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(LDFLAGS) \
 	   $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o init.o resetvec.o
 COBJS	= denali_data_eye.o nand_boot.o nand_ecc.o ndfc.o sdram.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -36,7 +37,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 
 # create symbolic links for common files
 
diff --git a/nand_spl/board/freescale/mpc8315erdb/Makefile b/nand_spl/board/freescale/mpc8315erdb/Makefile
index a2054ee..a685674 100644
--- a/nand_spl/board/freescale/mpc8315erdb/Makefile
+++ b/nand_spl/board/freescale/mpc8315erdb/Makefile
@@ -13,18 +13,19 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
 LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 	   $(LDFLAGS) $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o ticks.o
 COBJS	= nand_boot_fsl_elbc.o $(BOARD).o sdram.o ns16550.o spl_minimal.o \
 	  time.o cache.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -38,7 +39,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 
 # create symbolic links for common files
 
diff --git a/nand_spl/board/freescale/mpc8536ds/Makefile b/nand_spl/board/freescale/mpc8536ds/Makefile
index f711cf3..f0beaed 100644
--- a/nand_spl/board/freescale/mpc8536ds/Makefile
+++ b/nand_spl/board/freescale/mpc8536ds/Makefile
@@ -15,18 +15,19 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o resetvec.o
 COBJS	= cache.o cpu_init_early.o spl_minimal.o fsl_law.o law.o \
 	  nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -40,7 +41,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot-nand_spl.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
 		-ansi -D__ASSEMBLY__ -P - <$< >$@
 
 # create symbolic links for common files
diff --git a/nand_spl/board/freescale/mpc8569mds/Makefile b/nand_spl/board/freescale/mpc8569mds/Makefile
index f711cf3..f0beaed 100644
--- a/nand_spl/board/freescale/mpc8569mds/Makefile
+++ b/nand_spl/board/freescale/mpc8569mds/Makefile
@@ -15,18 +15,19 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o resetvec.o
 COBJS	= cache.o cpu_init_early.o spl_minimal.o fsl_law.o law.o \
 	  nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -40,7 +41,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot-nand_spl.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
 		-ansi -D__ASSEMBLY__ -P - <$< >$@
 
 # create symbolic links for common files
diff --git a/nand_spl/board/freescale/mpc8572ds/Makefile b/nand_spl/board/freescale/mpc8572ds/Makefile
index f711cf3..f0beaed 100644
--- a/nand_spl/board/freescale/mpc8572ds/Makefile
+++ b/nand_spl/board/freescale/mpc8572ds/Makefile
@@ -15,18 +15,19 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o resetvec.o
 COBJS	= cache.o cpu_init_early.o spl_minimal.o fsl_law.o law.o \
 	  nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -40,7 +41,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot-nand_spl.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
 		-ansi -D__ASSEMBLY__ -P - <$< >$@
 
 # create symbolic links for common files
diff --git a/nand_spl/board/freescale/p1023rds/Makefile b/nand_spl/board/freescale/p1023rds/Makefile
index 21a6920..3918ac5 100644
--- a/nand_spl/board/freescale/p1023rds/Makefile
+++ b/nand_spl/board/freescale/p1023rds/Makefile
@@ -11,18 +11,19 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o resetvec.o
 COBJS	= cache.o cpu_init_early.o spl_minimal.o fsl_law.o law.o \
 	  nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -36,7 +37,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot-nand_spl.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
 		-ansi -D__ASSEMBLY__ -P - <$< >$@
 
 # create symbolic links for common files
diff --git a/nand_spl/board/freescale/p1_p2_rdb/Makefile b/nand_spl/board/freescale/p1_p2_rdb/Makefile
index f711cf3..f0beaed 100644
--- a/nand_spl/board/freescale/p1_p2_rdb/Makefile
+++ b/nand_spl/board/freescale/p1_p2_rdb/Makefile
@@ -15,18 +15,19 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/$(CPUDIR)/u-boot-nand_spl.lds
 LDFLAGS := -T $(nandobj)u-boot-nand_spl.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 		$(LDFLAGS) $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o resetvec.o
 COBJS	= cache.o cpu_init_early.o spl_minimal.o fsl_law.o law.o \
 	  nand_boot.o nand_boot_fsl_elbc.o ns16550.o tlb.o tlb_table.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
@@ -40,7 +41,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot-nand_spl.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot-nand_spl.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -I$(nandobj)/board/$(BOARDDIR) \
 		-ansi -D__ASSEMBLY__ -P - <$< >$@
 
 # create symbolic links for common files
diff --git a/nand_spl/board/sheldon/simpc8313/Makefile b/nand_spl/board/sheldon/simpc8313/Makefile
index ca45ecd..35b1f97 100644
--- a/nand_spl/board/sheldon/simpc8313/Makefile
+++ b/nand_spl/board/sheldon/simpc8313/Makefile
@@ -12,18 +12,19 @@ nandobj	:= $(OBJTREE)/nand_spl/
 LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
 LDFLAGS := -T $(nandobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE_SPL) \
 	   $(LDFLAGS) $(LDFLAGS_FINAL)
-AFLAGS	+= -DCONFIG_NAND_SPL
-CFLAGS	+= -DCONFIG_NAND_SPL
+asflags-y += -DCONFIG_NAND_SPL
+ccflags-y += -DCONFIG_NAND_SPL
 
 SOBJS	= start.o ticks.o
 COBJS	= nand_boot_fsl_elbc.o $(BOARD).o sdram.o ns16550.o spl_minimal.o \
 	  time.o cache.o
 
-SRCS	:= $(addprefix $(obj)/,$(SOBJS:.o=.S) $(COBJS:.o=.c))
 OBJS	:= $(addprefix $(obj)/,$(SOBJS) $(COBJS))
 __OBJS	:= $(SOBJS) $(COBJS)
 LNDIR	:= $(nandobj)board/$(BOARDDIR)
 
+targets += $(__OBJS)
+
 all: $(nandobj)u-boot-spl.bin $(nandobj)u-boot-spl-16k.bin
 
 $(nandobj)u-boot-spl-16k.bin:	$(nandobj)u-boot-spl
@@ -37,7 +38,7 @@ $(nandobj)u-boot-spl:	$(OBJS) $(nandobj)u-boot.lds
 		-Map $(nandobj)u-boot-spl.map -o $@
 
 $(nandobj)u-boot.lds: $(LDSCRIPT)
-	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
+	$(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
 
 # create symbolic links for common files
 
-- 
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