blob: 660c7a9bada5a4df756367de77d05d61c74d1b7f [file] [log] [blame]
################################################################################
#
# go
#
################################################################################
GO_VERSION = 1.22.5
HOST_GO_GOPATH = $(HOST_DIR)/share/go-path
HOST_GO_HOST_CACHE = $(HOST_DIR)/share/host-go-cache
HOST_GO_ROOT = $(HOST_DIR)/lib/go
HOST_GO_TARGET_CACHE = $(HOST_DIR)/share/go-cache
# We pass an empty GOBIN, otherwise "go install: cannot install
# cross-compiled binaries when GOBIN is set"
HOST_GO_COMMON_ENV = \
GO111MODULE=on \
GOFLAGS=-mod=vendor \
GOROOT="$(HOST_GO_ROOT)" \
GOPATH="$(HOST_GO_GOPATH)" \
GOCACHE="$(HOST_GO_TARGET_CACHE)" \
GOMODCACHE="$(HOST_GO_GOPATH)/pkg/mod" \
GOPROXY=off \
GOTOOLCHAIN=local \
PATH=$(BR_PATH) \
GOBIN= \
CGO_ENABLED=$(HOST_GO_CGO_ENABLED)
ifeq ($(BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS),y)
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
else ifeq ($(BR2_ARM_CPU_ARMV8A),y)
# Go doesn't support 32-bit GOARM=8 (https://github.com/golang/go/issues/29373)
# but can still benefit from armv7 optimisations
GO_GOARM = 7
endif
else ifeq ($(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)
GO_GOARCH = ppc64
else ifeq ($(BR2_powerpc64le),y)
GO_GOARCH = ppc64le
else ifeq ($(BR2_mips64),y)
GO_GOARCH = mips64
else ifeq ($(BR2_mips64el),y)
GO_GOARCH = mips64le
else ifeq ($(BR2_riscv),y)
GO_GOARCH = riscv64
else ifeq ($(BR2_s390x),y)
GO_GOARCH = s390x
endif
# For the convienience of target packages.
HOST_GO_TOOLDIR = $(HOST_GO_ROOT)/pkg/tool/linux_$(GO_GOARCH)
HOST_GO_TARGET_ENV = \
$(HOST_GO_COMMON_ENV) \
GOOS="linux" \
GOARCH=$(GO_GOARCH) \
CC="$(TARGET_CC)" \
CXX="$(TARGET_CXX)" \
CGO_CFLAGS="$(TARGET_CFLAGS)" \
CGO_CXXFLAGS="$(TARGET_CXXFLAGS)" \
CGO_LDFLAGS="$(TARGET_LDFLAGS)" \
GOTOOLDIR="$(HOST_GO_TOOLDIR)"
# Allow packages to use cgo support if it is available for the target. They
# will need the toolchain for cgo support; for convenence, include that
# dependency here.
#
# Note that any target package needing cgo support must include 'depends on
# BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS' in its config file.
ifeq ($(BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS),y)
HOST_GO_DEPENDENCIES_CGO += toolchain
HOST_GO_CGO_ENABLED = 1
else
HOST_GO_CGO_ENABLED = 0
endif
else # !BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
# If the target arch does not support go, host-go can still be used to build
# packages for the host, and enable cgo. No need to set all the arch stuff
#since we will not be cross-compiling.
HOST_GO_CGO_ENABLED = 1
endif # BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
# Ensure the toolchain is available, whatever the provider
HOST_GO_DEPENDENCIES += $(HOST_GO_DEPENDENCIES_CGO)
# For the convenience of host golang packages
HOST_GO_HOST_ENV = \
$(HOST_GO_COMMON_ENV) \
GOOS="" \
GOARCH="" \
GOCACHE="$(HOST_GO_HOST_CACHE)" \
CC="$(HOSTCC_NOCCACHE)" \
CXX="$(HOSTCXX_NOCCACHE)" \
CGO_CFLAGS="$(HOST_CFLAGS)" \
CGO_CXXFLAGS="$(HOST_CXXFLAGS)" \
CGO_LDFLAGS="$(HOST_LDFLAGS)"
define GO_BINARIES_INSTALL
$(INSTALL) -D -m 0755 $(@D)/bin/go $(HOST_GO_ROOT)/bin/go
$(INSTALL) -D -m 0755 $(@D)/bin/gofmt $(HOST_GO_ROOT)/bin/gofmt
mkdir -p $(HOST_DIR)/bin
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 $(HOST_GO_ROOT)/pkg/
cp -a $(@D)/pkg/tool $(HOST_GO_ROOT)/pkg/
# The Go sources must be installed to the host/ tree for the Go stdlib.
cp -a $(@D)/src $(HOST_GO_ROOT)/
# Set file timestamps to prevent the Go compiler from rebuilding the stdlib
# when compiling other programs.
find $(HOST_GO_ROOT) -type f -exec touch -r $(@D)/bin/go {} \;
endef
$(eval $(host-virtual-package))
include $(sort $(wildcard package/go/*/*.mk))