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arch/xtensa: add definitions for the Xtensa overlay

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Currently, we have four packages that need to use the Xtensa overlay:
binutils, gcc-initial, gcc-final and gdb. However, they all use three
different ways to check for, and use the overlay. Furthermore, two of
them define the same variable: XTENSA_CORE_NAME is defined both by
binutils and gdb

In order to sanitise that, have the Xtensa architecture export the
appropriate variables: the name of the core and the path to the overlay
tarball. Packages can then check and use those variables.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN 2017-03-14 11:30:31 -07:00 committed by Thomas Petazzoni
parent 8efa2d8de9
commit bcecbed654
1 changed files with 15 additions and 0 deletions
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arch/arch.mk.xtensa Normal file
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################################################################################
# Those two variables can be used by packages that need to extract the overlay.
#
# ARCH_XTENSA_CORE_NAME is the name of the Xtensa core; empty if none or the
# standard 'fsf' core.
# ARCH_XTENSA_OVERLAY_TAR is the path to the overlay tarball; only valid when
# ARCH_XTENSA_CORE_NAME is not empty.
#
# Example:
# ifneq ($(ARCH_XTENSA_CORE_NAME),)
# tar xf $(ARCH_XTENSA_OVERLAY_TAR) -C $(@D) --strip-components=1 gcc
# endif
################################################################################
ARCH_XTENSA_CORE_NAME = $(call qstrip,$(BR2_XTENSA_CORE_NAME))
ARCH_XTENSA_OVERLAY_TAR = $(call qstrip,$(BR2_XTENSA_OVERLAY_DIR))/xtensa_$(ARCH_XTENSA_CORE_NAME).tar