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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@tilera.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Chris Metcalf 2010-08-15 15:01:45 -04:00
parent 3b3c1b9d04
commit a5854dd7f3
1 changed files with 11 additions and 9 deletions
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20
arch/tile/Makefile
View File

@ -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