kbuild/all archs: added CHECKFLAGS

Using separate assignment for CHECKFLAGS allows convenient redefinition of CHECK
on the command line:
make CHECK=~/bin64/sparse C=2
to use a special 64 bit version.
Introduced usage in all archs that assined values to CHECK.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

Makefile

@@ -285,6 +285,7 @@ DEPMOD		= /sbin/depmod
 KALLSYMS	= scripts/kallsyms
 PERL		= perl
 CHECK		= sparse
+CHECKFLAGS     :=
 MODFLAGS	= -DMODULE
 CFLAGS_MODULE   = $(MODFLAGS)
 AFLAGS_MODULE   = $(MODFLAGS)
@@ -308,7 +309,7 @@ AFLAGS		:= -D__ASSEMBLY__
 export	VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION KERNELRELEASE ARCH \
 	CONFIG_SHELL HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \
 	CPP AR NM STRIP OBJCOPY OBJDUMP MAKE AWK GENKSYMS PERL UTS_MACHINE \
-	HOSTCXX HOSTCXXFLAGS LDFLAGS_BLOB LDFLAGS_MODULE CHECK
+	HOSTCXX HOSTCXXFLAGS LDFLAGS_BLOB LDFLAGS_MODULE CHECK CHECKFLAGS
 
 export CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS
 export CFLAGS CFLAGS_KERNEL CFLAGS_MODULE 

arch/alpha/Makefile

@@ -11,7 +11,7 @@
 NM := $(NM) -B
 
 LDFLAGS_vmlinux	:= -static -N #-relax
-CHECK		:= $(CHECK) -D__alpha__=1
+CHECKFLAGS	+= -D__alpha__=1
 cflags-y	:= -pipe -mno-fp-regs -ffixed-8
 
 # Determine if we can use the BWX instructions with GAS.

arch/arm/Makefile

@@ -58,7 +58,7 @@ tune-$(CONFIG_CPU_V6)		:=-mtune=strongarm
 CFLAGS		+=-mapcs-32 $(arch-y) $(tune-y) $(call check_gcc,-malignment-traps,-mshort-load-bytes) -msoft-float -Wa,-mno-fpu -Uarm
 AFLAGS		+=-mapcs-32 $(arch-y) $(tune-y) -msoft-float -Wa,-mno-fpu
 
-CHECK		:= $(CHECK) -D__arm__=1
+CHECKFLAGS	+= -D__arm__=1
 
 #Default value
 DATAADDR	:= .

arch/i386/Makefile

@@ -18,7 +18,7 @@
 LDFLAGS		:= -m elf_i386
 OBJCOPYFLAGS	:= -O binary -R .note -R .comment -S
 LDFLAGS_vmlinux :=
-CHECK		:= $(CHECK) -D__i386__=1
+CHECKFLAGS	+= -D__i386__=1
 
 CFLAGS += -pipe -msoft-float
 

arch/m68k/Makefile

@@ -28,7 +28,7 @@ ifdef CONFIG_SUN3
 LDFLAGS_vmlinux = -N
 endif
 
-CHECK := $(CHECK) -D__mc68000__=1 -I$(shell $(CC) -print-file-name=include)
+CHECKFLAGS += -D__mc68000__=1 -I$(shell $(CC) -print-file-name=include)
 
 # without -fno-strength-reduce the 53c7xx.c driver fails ;-(
 CFLAGS += -pipe -fno-strength-reduce -ffixed-a2

arch/ppc/Makefile

@@ -27,7 +27,7 @@ CFLAGS		+= -Iarch/$(ARCH) -msoft-float -pipe \
 		-ffixed-r2 -Wno-uninitialized -mmultiple
 CPP		= $(CC) -E $(CFLAGS)
 
-CHECK		:= $(CHECK) -D__powerpc__=1
+CHECKFLAGS	+= -D__powerpc__=1
 
 ifndef CONFIG_E500
 CFLAGS		+= -mstring

arch/ppc64/Makefile

@@ -22,7 +22,7 @@ LD              := $(LD) -m elf64ppc
 CC		:= $(CC) -m64
 endif
 
-CHECK		:= $(CHECK) -m64 -D__powerpc__=1
+CHECKFLAGS	+= -m64 -D__powerpc__=1
 
 LDFLAGS		:= -m elf64ppc
 LDFLAGS_vmlinux	:= -Bstatic -e $(KERNELLOAD) -Ttext $(KERNELLOAD)

arch/sparc/Makefile

@@ -13,7 +13,7 @@
 
 AS              := $(AS) -32
 LDFLAGS		:= -m elf32_sparc
-CHECK		:= $(CHECK) -D__sparc__=1
+CHECKFLAGS	+= -D__sparc__=1
 
 #CFLAGS := $(CFLAGS) -g -pipe -fcall-used-g5 -fcall-used-g7
 CFLAGS := $(CFLAGS) -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7

arch/sparc64/Makefile

@@ -8,7 +8,7 @@
 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
 #
 
-CHECK		:= $(CHECK) -D__sparc__=1 -D__sparc_v9__=1
+CHECKFLAGS	+= -D__sparc__=1 -D__sparc_v9__=1
 
 CPPFLAGS_vmlinux.lds += -Usparc
 

arch/x86_64/Makefile

@@ -37,7 +37,7 @@ LDFLAGS		:= -m elf_x86_64
 OBJCOPYFLAGS	:= -O binary -R .note -R .comment -S
 LDFLAGS_vmlinux := -e stext
 
-CHECK           := $(CHECK) -D__x86_64__=1
+CHECKFLAGS      += -D__x86_64__=1
 
 cflags-$(CONFIG_MK8) += $(call check_gcc,-march=k8,)
 cflags-$(CONFIG_MPSC) += $(call check_gcc,-march=nocona,)

scripts/Makefile.build

@@ -85,10 +85,10 @@ __build: $(if $(KBUILD_BUILTIN),$(builtin-target) $(lib-target) $(extra-y)) \
 ifneq ($(KBUILD_CHECKSRC),0)
   ifeq ($(KBUILD_CHECKSRC),2)
     quiet_cmd_force_checksrc = CHECK   $<
-          cmd_force_checksrc = $(CHECK) $(c_flags) $< ;
+          cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
   else
       quiet_cmd_checksrc     = CHECK   $<
-            cmd_checksrc     = $(CHECK) $(c_flags) $< ;
+            cmd_checksrc     = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
   endif
 endif