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arch: allow GCC target options to be optionally overwritten

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The BR2_GCC_TARGET_* configuration variables are copied to
corresponding GCC_TARGET_* variables which may then be optionally
modified or overwritten by architecture specific makefiles.

All makefiles must use the new GCC_TARGET_* variables instead
of the BR2_GCC_TARGET_* versions.

Signed-off-by: Mark Corbin <mark.corbin@embecosm.com>
[Thomas: simplify include of arch/arch.mk]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Mark Corbin
2018-09-12 11:22:53 +01:00
committed by Thomas Petazzoni
parent 1eca624c03
commit bd0640a213
12 changed files with 52 additions and 38 deletions
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4
Makefile
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@@ -493,9 +493,9 @@ include Makefile.legacy
include system/system.mk
include package/Makefile.in
# arch/arch.mk.* must be after package/Makefile.in because it may need to
# arch/arch.mk must be after package/Makefile.in because it may need to
# complement variables defined therein, like BR_NO_CHECK_HASH_FOR.
-include $(sort $(wildcard arch/arch.mk.*))
include arch/arch.mk
include support/dependencies/dependencies.mk
include $(sort $(wildcard toolchain/*.mk))