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Message-Id: <201008152014.o7FKEqxV016485@farm-0002.internal.tilera.com> Date: Sun, 15 Aug 2010 15:01:45 -0400 From: Chris Metcalf <cmetcalf@...era.com> To: linux-kernel@...r.kernel.org Cc: Sam Ravnborg <sam@...nborg.org> Subject: [PATCH] arch/tile: don't validate CROSS_COMPILE needlessly With this change, the arch/tile Makefile will only check for a valid combination of CROSS_COMPILE vs "uname -m" for a few common targets that are typically the ones we get wrong (vmlinux, all, and modules). The change handles the case of an empty "make" goal like "make all". Signed-off-by: Chris Metcalf <cmetcalf@...era.com> Reviewed-by: Sam Ravnborg <sam@...nborg.org> --- arch/tile/Makefile | 20 +++++++++++--------- 1 files changed, 11 insertions(+), 9 deletions(-) diff --git a/arch/tile/Makefile b/arch/tile/Makefile index 07c4318..fd8f6bb 100644 --- a/arch/tile/Makefile +++ b/arch/tile/Makefile @@ -8,20 +8,22 @@ # for "archclean" and "archdep" for cleaning up and making dependencies for # this architecture -ifeq ($(CROSS_COMPILE),) # If building with TILERA_ROOT set (i.e. using the Tilera Multicore # Development Environment) we can set CROSS_COMPILE based on that. -ifdef TILERA_ROOT -CROSS_COMPILE = $(TILERA_ROOT)/bin/tile- -endif -endif - # If we're not cross-compiling, make sure we're on the right architecture. +# Only bother to test for a few common targets, to avoid useless errors. ifeq ($(CROSS_COMPILE),) -HOST_ARCH = $(shell uname -m) -ifneq ($(HOST_ARCH),$(ARCH)) + ifdef TILERA_ROOT + CROSS_COMPILE := $(TILERA_ROOT)/bin/tile- + else + goals := $(if $(MAKECMDGOALS), $(MAKECMDGOALS), all) + ifneq ($(strip $(filter vmlinux modules all,$(goals))),) + HOST_ARCH := $(shell uname -m) + ifneq ($(HOST_ARCH),$(ARCH)) $(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH)) -endif + endif + endif + endif endif -- 1.6.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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