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These variables are used to control the floating-point instructions emitted by
the go compiler for x86 architectures.
The default is '387' which disables the use of sse/sse2 instructions and is safe
to use on all x86 processors from the i486 onwards.
If TUNE_FEATURES contains a feature set which is known to support sse/sse2
instructions then they are set to 'sse2' to enable the use of these
instructions. This is suitable for most processors from Pentium 4 onwards.
Only the 'core2' and 'corei7' TUNE_FEATURES are defined in the oe-core layer and
are known to support ss2 instructions. Other layers may introduce additional
tunings which support sse2 instructions and for these layers, TARGET_GO386
or go_map_386 should be overridden as needed.
(From OE-Core rev: 7e96cf3c9850dc34d53af73a9ac22b1624994484)
Signed-off-by: Paul Barker <pbarker@toganlabs.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Remove the TUNE_FEATURES references from go_map_arch,
to avoid an unwanted variable dependency. Direct
comparisons of the architecture name are sufficient
for covering what Go currently supports, and using
TUNE_CCARGS_remove adequately handles the conflict
with the cgo-supplied flags for mips.
(From OE-Core rev: 1bc4c1d880096083d1891a74024fb225a6340b9b)
Signed-off-by: Matt Madison <matt@madison.systems>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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* Fix the regular expression in the mips test
* Flag as incompatible any mips32 tunes for n32 ABI
or soft-float, as go does not support them.
* Replace mips32r2 tune with mips32r1. Go only supports
mips32r1, which is a strict subset of r2. Adjusting
this tune is not ideal, but is hopefully a temporary
measure until more complete mips32 ISA coverage
arrives upstream.
[YOCTO #12108]
(From OE-Core rev: bdd20c296048937737da0f10bd1a3b63843c5bf4)
Signed-off-by: Matt Madison <matt@madison.systems>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Go does not play well with thumb, so ensure that the
toolchain and any packages use arm, not thumb, instructions.
(From OE-Core rev: 24da8c321831dcc5de00d65d6c5613efee109b57)
Signed-off-by: Matt Madison <matt@madison.systems>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Go only supports shared libraries for some architectures, so
add a variable for use elsewhere that gets a non-null value
only for those architectures.
(From OE-Core rev: 2275712df152b73ce49b36bdf9f8d744c68c9c50)
Signed-off-by: Matt Madison <matt@madison.systems>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This adds support to return the proper ARMv5 format.
This change is based on the meta-golang[1] layer. Thanks to Matt
Madison <matt@madison.systems> for his work on this.
1. https://github.com/madisongh/meta-golang
(From OE-Core rev: e242e7c3617ded87582c5d384b15027498b0c1a4)
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The previous logic applied a regex to TUNE_FEATURES which could
set the GOARM value to 7 incorrectly, for example when dealing
with an arm1176 core. Simplify to check for the presence of
"armv7" instead. At the same time add a check for "armv6" and
set GOARM to 6 in that case.
(From OE-Core rev: 07b60c15e9ef650940afdde37bf3f3b9c50a336d)
Signed-off-by: Will Newton <willn@resin.io>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The d.getVar has the second argument as True by default, avoid passing
it here.
(From OE-Core rev: 1a5026db41929d42bece22bd0ae60c13219a98f5)
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Disable build for muslx32.
(From OE-Core rev: 7f6e47b0d8aec9cb22db50ccb40ebb01677f01ea)
Signed-off-by: sweeaun <swee.aun.khor@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Put it in goarch.bbclass which all go related recipes inherit.
(From OE-Core rev: 9e899bbc081cb932c1492f6d6802b908d70ef42f)
Signed-off-by: Joe Slater <jslater@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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* This is converging the recipes for go from
meta-virtualization and oe-meta-go
* Add recipes for go 1.7
* go.bbclass is added to ease out writing
recipes for go packages
* go-examples: Add an example, helloworld written in go
This should serve as temlate for writing go recipes
* Disable for musl, at least for now
* Disable for x32/ppc32 which is not supported
(From OE-Core rev: 78615e9260fb5d6569de4883521b049717fa4340)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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