diff options
Diffstat (limited to 'arch/powerpc/Makefile')
| -rw-r--r-- | arch/powerpc/Makefile | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index f19dbaa1d541..051247027da0 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -10,15 +10,26 @@ # Rewritten by Cort Dougan and Paul Mackerras # +ifdef cross_compiling + ifeq ($(CROSS_COMPILE),) + # Auto detect cross compiler prefix. + # Look for: (powerpc(64(le)?)?)(-unknown)?-linux(-gnu)?- + CC_ARCHES := powerpc powerpc64 powerpc64le + CC_SUFFIXES := linux linux-gnu unknown-linux-gnu + CROSS_COMPILE := $(call cc-cross-prefix, $(foreach a,$(CC_ARCHES), \ + $(foreach s,$(CC_SUFFIXES),$(a)-$(s)-))) + endif +endif + HAS_BIARCH := $(call cc-option-yn, -m32) # Set default 32 bits cross compilers for vdso and boot wrapper CROSS32_COMPILE ?= # If we're on a ppc/ppc64/ppc64le machine use that defconfig, otherwise just use -# ppc64_defconfig because we have nothing better to go on. +# ppc64le_defconfig because we have nothing better to go on. uname := $(shell uname -m) -KBUILD_DEFCONFIG := $(if $(filter ppc%,$(uname)),$(uname),ppc64)_defconfig +KBUILD_DEFCONFIG := $(if $(filter ppc%,$(uname)),$(uname),ppc64le)_defconfig new_nm := $(shell if $(NM) --help 2>&1 | grep -- '--synthetic' > /dev/null; then echo y; else echo n; fi) @@ -161,7 +172,7 @@ CFLAGS-y += $(CONFIG_TUNE_CPU) asinstr := $(call as-instr,lis 9$(comma)foo@high,-DHAVE_AS_ATHIGH=1) -KBUILD_CPPFLAGS += -I $(srctree)/arch/$(ARCH) $(asinstr) +KBUILD_CPPFLAGS += -I $(srctree)/arch/powerpc $(asinstr) KBUILD_AFLAGS += $(AFLAGS-y) KBUILD_CFLAGS += $(call cc-option,-msoft-float) KBUILD_CFLAGS += $(CFLAGS-y) @@ -232,7 +243,7 @@ BOOT_TARGETS2 := zImage% dtbImage% treeImage.% cuImage.% simpleImage.% uImage.% PHONY += $(BOOT_TARGETS1) $(BOOT_TARGETS2) -boot := arch/$(ARCH)/boot +boot := arch/powerpc/boot $(BOOT_TARGETS1): vmlinux $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@) @@ -336,7 +347,7 @@ PHONY += $(generated_configs) define archhelp echo '* zImage - Build default images selected by kernel config' - echo ' zImage.* - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)' + echo ' zImage.* - Compressed kernel image (arch/powerpc/boot/zImage.*)' echo ' uImage - U-Boot native image format' echo ' cuImage.<dt> - Backwards compatible U-Boot image for older' echo ' versions which do not support device trees' @@ -347,12 +358,12 @@ define archhelp echo ' (your) ~/bin/$(INSTALLKERNEL) or' echo ' (distribution) /sbin/$(INSTALLKERNEL) or' echo ' install to $$(INSTALL_PATH) and run lilo' - echo ' *_defconfig - Select default config from arch/$(ARCH)/configs' + echo ' *_defconfig - Select default config from arch/powerpc/configs' echo '' echo ' Targets with <dt> embed a device tree blob inside the image' echo ' These targets support board with firmware that does not' echo ' support passing a device tree directly. Replace <dt> with the' - echo ' name of a dts file from the arch/$(ARCH)/boot/dts/ directory' + echo ' name of a dts file from the arch/powerpc/boot/dts/ directory' echo ' (minus the .dts extension).' echo $(foreach cfg,$(generated_configs), |