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build: Improve usage of the ISSM toolchain

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With this fix now we can use the ISSM standlone toolchain [1] through
ZEPHYR_GCC_VARIANT=issm and ISSM_INSTALLATION_PATH=/path/to/toolchain
variables only, without the need of setting IA_VERSION and ARC_VERSION
always. These are always the same for a given toolchain release.

This is also a way for us to document the currently supported (and
tested) toolchain version.

Tested on Linux only.

[1]
https://software.intel.com/en-us/articles/issm-toolchain-only-download

Change-Id: I6fba8ea9564b2080bd73b627bc7150863401f18d
Signed-off-by: Jesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com>
This commit is contained in:
Jesus Sanchez-Palencia 2016-07-13 18:37:26 -03:00 • committed by Inaky Perez-Gonzalez
commit 288f6cc889
1 changed files with 8 additions and 4 deletions
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12
scripts/Makefile.toolchain.issm
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@ -1,13 +1,17 @@
#
# The ISSM standalone toolchain provides both the x86 IAMCU and elf32 ARC
# toolchains. Currently supported version is '2016-05-12':
# https://software.intel.com/en-us/articles/issm-toolchain-only-download
#
ifndef ISSM_INSTALLATION_PATH
$(error ISSM_INSTALLATION_PATH is not set)
endif
# IA_VERSION and ARC_VERSION can be used to adjust the toolchain
# paths inside the ISSM installation to use an specific version, e.g.:
# IA_VERSION ?= gcc-ia/5.2.1
# ARC_VERSION ?= gcc-arc/4.8.5
IA_VERSION ?= .
ARC_VERSION ?= .
IA_VERSION ?= gcc-ia/5.2.1
ARC_VERSION ?= gcc-arc/4.8.5
ISSM_TOOLCHAIN_GCC_IA_ROOT ?= $(ISSM_INSTALLATION_PATH)/tools/compiler/$(IA_VERSION)
ISSM_TOOLCHAIN_GCC_ARC_ROOT ?= $(ISSM_INSTALLATION_PATH)/tools/compiler/$(ARC_VERSION)