kumquat-buildroot/package/go/go.mk

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################################################################################
#
# go
#
################################################################################
GO_VERSION = 1.12.1
GO_SITE = https://storage.googleapis.com/golang
GO_SOURCE = go$(GO_VERSION).src.tar.gz
GO_LICENSE = BSD-3-Clause
GO_LICENSE_FILES = LICENSE
ifeq ($(BR2_arm),y)
GO_GOARCH = arm
ifeq ($(BR2_ARM_CPU_ARMV5),y)
GO_GOARM = 5
else ifeq ($(BR2_ARM_CPU_ARMV6),y)
GO_GOARM = 6
else ifeq ($(BR2_ARM_CPU_ARMV7A),y)
GO_GOARM = 7
endif
else ifeq ($(BR2_aarch64),y)
GO_GOARCH = arm64
else ifeq ($(BR2_i386),y)
GO_GOARCH = 386
else ifeq ($(BR2_x86_64),y)
GO_GOARCH = amd64
else ifeq ($(BR2_powerpc64),y)
GO_GOARCH = ppc64
else ifeq ($(BR2_powerpc64le),y)
GO_GOARCH = ppc64le
else ifeq ($(BR2_mips64),y)
GO_GOARCH = mips64
else ifeq ($(BR2_mips64el),y)
GO_GOARCH = mips64le
endif
HOST_GO_DEPENDENCIES = host-go-bootstrap
HOST_GO_HOST_CACHE = $(HOST_DIR)/usr/share/host-go-cache
HOST_GO_ROOT = $(HOST_DIR)/lib/go
HOST_GO_TARGET_CACHE = $(HOST_DIR)/usr/share/go-cache
# For the convienience of target packages.
HOST_GO_TOOLDIR = $(HOST_GO_ROOT)/pkg/tool/linux_$(GO_GOARCH)
HOST_GO_TARGET_ENV = \
GO111MODULE=off \
GOARCH=$(GO_GOARCH) \
GOCACHE="$(HOST_GO_TARGET_CACHE)" \
GOROOT="$(HOST_GO_ROOT)" \
CC="$(TARGET_CC)" \
CXX="$(TARGET_CXX)" \
GOTOOLDIR="$(HOST_GO_TOOLDIR)"
# The go compiler's cgo support uses threads. If BR2_TOOLCHAIN_HAS_THREADS is
# set, build in cgo support for any go programs that may need it. Note that
# any target package needing cgo support must include
# 'depends on BR2_TOOLCHAIN_HAS_THREADS' in its config file.
ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
HOST_GO_CGO_ENABLED = 1
else
HOST_GO_CGO_ENABLED = 0
endif
# The go build system is not compatible with ccache, so use
# HOSTCC_NOCCACHE. See https://github.com/golang/go/issues/11685.
HOST_GO_MAKE_ENV = \
GO111MODULE=off \
GOCACHE=$(HOST_GO_HOST_CACHE) \
GOROOT_BOOTSTRAP=$(HOST_GO_BOOTSTRAP_ROOT) \
GOROOT_FINAL=$(HOST_GO_ROOT) \
GOROOT="$(@D)" \
GOBIN="$(@D)/bin" \
GOARCH=$(GO_GOARCH) \
$(if $(GO_GOARM),GOARM=$(GO_GOARM)) \
GOOS=linux \
CC=$(HOSTCC_NOCCACHE) \
CXX=$(HOSTCXX_NOCCACHE) \
GO_ASSUME_CROSSCOMPILING=1
HOST_GO_TARGET_CC = \
CC_FOR_TARGET="$(TARGET_CC)" \
CXX_FOR_TARGET="$(TARGET_CXX)"
define HOST_GO_BUILD_CMDS
cd $(@D)/src && \
$(HOST_GO_MAKE_ENV) $(HOST_GO_TARGET_CC) CGO_ENABLED=$(HOST_GO_CGO_ENABLED) \
./make.bash $(if $(VERBOSE),-v)
endef
define HOST_GO_INSTALL_CMDS
$(INSTALL) -D -m 0755 $(@D)/bin/go $(HOST_GO_ROOT)/bin/go
$(INSTALL) -D -m 0755 $(@D)/bin/gofmt $(HOST_GO_ROOT)/bin/gofmt
ln -sf ../lib/go/bin/go $(HOST_DIR)/bin/
ln -sf ../lib/go/bin/gofmt $(HOST_DIR)/bin/
cp -a $(@D)/lib $(HOST_GO_ROOT)/
mkdir -p $(HOST_GO_ROOT)/pkg
cp -a $(@D)/pkg/include $(@D)/pkg/linux_* $(HOST_GO_ROOT)/pkg/
cp -a $(@D)/pkg/tool $(HOST_GO_ROOT)/pkg/
# There is a known issue which requires the go sources to be installed
# https://golang.org/issue/2775
cp -a $(@D)/src $(HOST_GO_ROOT)/
# Set all file timestamps to prevent the go compiler from rebuilding any
# built in packages when programs are built.
find $(HOST_GO_ROOT) -type f -exec touch -r $(@D)/bin/go {} \;
endef
$(eval $(host-generic-package))