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push CROSS_COMPILE out to $(ARCH)_config.mk 

Each arch should handle setting a proper default CROSS_COMPILE value in
their own config.mk file rather than having to maintain a large ugly list
in the Makefile.  By using conditional assignment, we don't have to worry
about the variable already being set (env/cmdline/etc...).

The common config.mk file takes care of exporting CROSS_COMPILE already,
and while a few variables (toolchain ones) utilize CROSS_COMPILE before
including the arch config.mk, they do so with deferred assignment.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2009-06-14 23:33:14 -04:00 committed by Wolfgang Denk
parent 60a3f404ac
commit 1ea6bcd859
13 changed files with 26 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
Makefile
View File

@ -151,50 +151,10 @@ ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
include $(obj)include/config.mk
export ARCH CPU BOARD VENDOR SOC
ifndef CROSS_COMPILE
# set default to nothing for native builds
ifeq ($(HOSTARCH),$(ARCH))
CROSS_COMPILE =
else
ifeq ($(ARCH),ppc)
CROSS_COMPILE = ppc_8xx-
CROSS_COMPILE ?=
endif
ifeq ($(ARCH),arm)
CROSS_COMPILE = arm-linux-
endif
ifeq ($(ARCH),i386)
CROSS_COMPILE = i386-linux-
endif
ifeq ($(ARCH),mips)
CROSS_COMPILE = mips_4KC-
endif
ifeq ($(ARCH),nios)
CROSS_COMPILE = nios-elf-
endif
ifeq ($(ARCH),nios2)
CROSS_COMPILE = nios2-elf-
endif
ifeq ($(ARCH),m68k)
CROSS_COMPILE = m68k-elf-
endif
ifeq ($(ARCH),microblaze)
CROSS_COMPILE = mb-
endif
ifeq ($(ARCH),blackfin)
CROSS_COMPILE = bfin-uclinux-
endif
ifeq ($(ARCH),avr32)
CROSS_COMPILE = avr32-linux-
endif
ifeq ($(ARCH),sh)
CROSS_COMPILE = sh4-linux-
endif
ifeq ($(ARCH),sparc)
CROSS_COMPILE = sparc-elf-
endif # sparc
endif # HOSTARCH,ARCH
endif # CROSS_COMPILE
export CROSS_COMPILE
# load other configuration
include $(TOPDIR)/config.mk

2
arm_config.mk
View File

@ -21,6 +21,8 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= arm-linux-
PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
LDSCRIPT := $(SRCTREE)/cpu/$(CPU)/u-boot.lds

2
avr32_config.mk
View File

@ -21,5 +21,7 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= avr32-linux-
PLATFORM_RELFLAGS += -ffixed-r5 -fPIC -mno-init-got -mrelax
PLATFORM_LDFLAGS += --relax

2
blackfin_config.mk
View File

@ -21,6 +21,8 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= bfin-uclinux-
CONFIG_BFIN_CPU := $(strip $(subst ",,$(CONFIG_BFIN_CPU)))
CONFIG_BFIN_BOOT_MODE := $(strip $(subst ",,$(CONFIG_BFIN_BOOT_MODE)))
CONFIG_ENV_OFFSET := $(strip $(subst ",,$(CONFIG_ENV_OFFSET)))

2
i386_config.mk
View File

@ -21,4 +21,6 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= i386-linux-
PLATFORM_CPPFLAGS += -DCONFIG_I386 -D__I386__

2
m68k_config.mk
View File

@ -21,5 +21,7 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= m68k-elf-
PLATFORM_CPPFLAGS += -DCONFIG_M68K -D__M68K__
PLATFORM_LDFLAGS += -n

2
microblaze_config.mk
View File

@ -24,4 +24,6 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= mb-
PLATFORM_CPPFLAGS += -ffixed-r31 -D__microblaze__

2
mips_config.mk
View File

@ -21,6 +21,8 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= mips_4KC-
PLATFORM_CPPFLAGS += -DCONFIG_MIPS -D__MIPS__
#

2
nios2_config.mk
View File

@ -22,5 +22,7 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= nios2-elf-
PLATFORM_CPPFLAGS += -DCONFIG_NIOS2 -D__NIOS2__
PLATFORM_CPPFLAGS += -ffixed-r15 -G0

2
nios_config.mk
View File

@ -22,4 +22,6 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= nios-elf-
PLATFORM_CPPFLAGS += -m32 -DCONFIG_NIOS -D__NIOS__ -ffixed-g7 -gstabs

2
ppc_config.mk
View File

@ -21,6 +21,8 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= ppc_8xx-
PLATFORM_CPPFLAGS += -DCONFIG_PPC -D__powerpc__
PLATFORM_LDFLAGS += -n

2
sh_config.mk
View File

@ -21,6 +21,8 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= sh4-linux-
PLATFORM_CPPFLAGS += -DCONFIG_SH -D__SH__
PLATFORM_LDFLAGS += -e $(TEXT_BASE) --defsym reloc_dst=$(TEXT_BASE)

2
sparc_config.mk
View File

@ -21,4 +21,6 @@
# MA 02111-1307 USA
#
CROSS_COMPILE ?= sparc-elf-
PLATFORM_CPPFLAGS += -DCONFIG_SPARC -D__sparc__