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package/go: bump version to 1.16

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Release notes: https://golang.org/doc/go1.16

The latest Go release, version 1.16, arrives six months after Go 1.15. Most of
its changes are in the implementation of the toolchain, runtime, and libraries.

The linker changes in 1.16 extend the 1.15 improvements to all supported
architecture/OS combinations (the 1.15 performance improvements were primarily
focused on ELF-based OSes and amd64 architectures). For a representative set of
large Go programs, linking is 20-25% faster than 1.15 and requires 5-15% less
memory on average for linux/amd64, with larger improvements for other
architectures and OSes. Most binaries are also smaller as a result of more
aggressive symbol pruning.

According to the release notes, Go 1.16 drops support for x87 mode
compilation (GO386=387).  Support for non-SSE2 processors is now available
using soft float mode.  Buildroot will automatically set GO386=softfloat on
non-SSE2 processors.

Signed-off-by: Christian Stewart <christian@paral.in>

v1 -> v2:

 - added 386=softfloat handling re: Peter's review

Signed-off-by: Christian Stewart <christian@paral.in>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Christian Stewart 2021-02-19 16:50:39 -08:00 committed by Peter Korsgaard
parent e92ec59450
commit 9c035502bf
2 changed files with 7 additions and 2 deletions
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2
package/go/go.hash
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@ -1,3 +1,3 @@
# From https://golang.org/dl/
sha256 540c0ab7781084d124991321ed1458e479982de94454a98afab6acadf38497c2 go1.15.8.src.tar.gz
sha256 7688063d55656105898f323d90a79a39c378d86fe89ae192eb3b7fc46347c95a go1.16.src.tar.gz
sha256 2d36597f7117c38b006835ae7f537487207d8ec407aa9d9980794b2030cbc067 LICENSE

7
package/go/go.mk
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@ -4,7 +4,7 @@
#
################################################################################
GO_VERSION = 1.15.8
GO_VERSION = 1.16
GO_SITE = https://storage.googleapis.com/golang
GO_SOURCE = go$(GO_VERSION).src.tar.gz
@ -49,6 +49,10 @@ else ifeq ($(BR2_aarch64),y)
GO_GOARCH = arm64
else ifeq ($(BR2_i386),y)
GO_GOARCH = 386
# i386: use softfloat if no SSE2: https://golang.org/doc/go1.16#386
ifneq ($(BR2_X86_CPU_HAS_SSE2),y)
GO_GO386 = softfloat
endif
else ifeq ($(BR2_x86_64),y)
GO_GOARCH = amd64
else ifeq ($(BR2_powerpc64),y)
@ -90,6 +94,7 @@ HOST_GO_CROSS_ENV = \
CC_FOR_TARGET="$(TARGET_CC)" \
CXX_FOR_TARGET="$(TARGET_CXX)" \
GOARCH=$(GO_GOARCH) \
$(if $(GO_GO386),GO386=$(GO_GO386)) \
$(if $(GO_GOARM),GOARM=$(GO_GOARM)) \
GO_ASSUME_CROSSCOMPILING=1