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Commit a5854dd7 authored by Chris Metcalf's avatar Chris Metcalf
Browse files

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: default avatarChris Metcalf <cmetcalf@tilera.com>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent 3b3c1b9d

arch/tile/Makefile

+11 −9
Original line number Original line Diff line number Diff line
@@ -8,21 +8,23 @@ 
# for "archclean" and "archdep" for cleaning up and making dependencies for

# for "archclean" and "archdep" for cleaning up and making dependencies for

# this architecture

# this architecture





ifeq ($(CROSS_COMPILE),)

# If building with TILERA_ROOT set (i.e. using the Tilera Multicore

# If building with TILERA_ROOT set (i.e. using the Tilera Multicore

# Development Environment) we can set CROSS_COMPILE based on that.

# 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.

# 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),)

ifeq ($(CROSS_COMPILE),)

HOST_ARCH = $(shell uname -m)

  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))

      ifneq ($(HOST_ARCH),$(ARCH))

$(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH))

$(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH))

      endif

      endif

    endif

    endif

  endif

endif









KBUILD_CFLAGS   += $(CONFIG_DEBUG_EXTRA_FLAGS)

KBUILD_CFLAGS   += $(CONFIG_DEBUG_EXTRA_FLAGS)