initial buildroot for linux 5.15
This commit is contained in:
Huan.Feng
@@ -0,0 +1,40 @@
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From e1382a731a726293e30901038c6870fa77ef6095 Mon Sep 17 00:00:00 2001
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From: Angelo Compagnucci <angelo@amarulasolutions.com>
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Date: Tue, 8 May 2018 16:08:44 +0200
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Subject: [PATCH] build.go: explicit option for crosscompilation
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Actually if GOHOSTOS == GOOS || GOHOSTARCH == GOARCH the go build system
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assume it's not cross compiling and uses the same toolchain also for the
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bootstrap. This is a problem in case the cross compilation mandates a
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different toolchain for bootstrap and target. This patch adds
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GO_ASSUME_CROSSCOMPILING varible to assure that in case of cross
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compilation CC_FOR_TARGET can be different from CC.
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Signed-off-by: Angelo Compagnucci <angelo@amarulasolutions.com>
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Signed-off-by: Anisse Astier <anisse@astier.eu>
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---
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src/cmd/dist/build.go | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/cmd/dist/build.go b/src/cmd/dist/build.go
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index 99d1db5..eb4097f 100644
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--- a/src/cmd/dist/build.go
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+++ b/src/cmd/dist/build.go
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@@ -252,12 +252,13 @@ func xinit() {
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// $CC_FOR_goos_goarch, if set, applies only to goos/goarch.
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func compilerEnv(envName, def string) map[string]string {
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m := map[string]string{"": def}
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+ crosscompiling := os.Getenv("GO_ASSUME_CROSSCOMPILING")
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if env := os.Getenv(envName); env != "" {
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m[""] = env
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}
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if env := os.Getenv(envName + "_FOR_TARGET"); env != "" {
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- if gohostos != goos || gohostarch != goarch {
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+ if gohostos != goos || gohostarch != goarch || crosscompiling == "1" {
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m[gohostos+"/"+gohostarch] = m[""]
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}
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m[""] = env
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--
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2.7.4
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@@ -0,0 +1,25 @@
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# Target go packages should depend on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
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config BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
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bool
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default y
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depends on BR2_PACKAGE_HOST_GO_BOOTSTRAP_ARCH_SUPPORTS
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depends on (BR2_arm && BR2_TOOLCHAIN_SUPPORTS_PIE) || BR2_aarch64 \
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|| BR2_i386 || BR2_x86_64 || BR2_powerpc64le \
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|| BR2_mips64 || BR2_mips64el || BR2_s390x
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depends on !BR2_ARM_CPU_ARMV4
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# MIPS R6 support in Go has not yet been developed.
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depends on !BR2_MIPS_CPU_MIPS64R6
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config BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS
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bool
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default y
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depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
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# Go doesn't support CGO linking on MIPS64x platforms
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# See: https://github.com/karalabe/xgo/issues/46
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depends on !BR2_mips64 && !BR2_mips64el
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# Host go packages should depend on BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS
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config BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS
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bool
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default y
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depends on BR2_PACKAGE_HOST_GO_BOOTSTRAP_ARCH_SUPPORTS
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@@ -0,0 +1,3 @@
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# From https://golang.org/dl/
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sha256 705c64251e5b25d5d55ede1039c6aa22bea40a7a931d14c370339853643c3df0 go1.17.3.src.tar.gz
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sha256 2d36597f7117c38b006835ae7f537487207d8ec407aa9d9980794b2030cbc067 LICENSE
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@@ -0,0 +1,160 @@
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################################################################################
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#
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# go
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#
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################################################################################
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GO_VERSION = 1.17.3
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GO_SITE = https://storage.googleapis.com/golang
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GO_SOURCE = go$(GO_VERSION).src.tar.gz
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GO_LICENSE = BSD-3-Clause
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GO_LICENSE_FILES = LICENSE
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GO_CPE_ID_VENDOR = golang
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HOST_GO_DEPENDENCIES = host-go-bootstrap
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HOST_GO_GOPATH = $(HOST_DIR)/usr/share/go-path
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HOST_GO_HOST_CACHE = $(HOST_DIR)/usr/share/host-go-cache
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HOST_GO_ROOT = $(HOST_DIR)/lib/go
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HOST_GO_TARGET_CACHE = $(HOST_DIR)/usr/share/go-cache
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# We pass an empty GOBIN, otherwise "go install: cannot install
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# cross-compiled binaries when GOBIN is set"
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HOST_GO_COMMON_ENV = \
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GO111MODULE=on \
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GOFLAGS=-mod=vendor \
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GOROOT="$(HOST_GO_ROOT)" \
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GOPATH="$(HOST_GO_GOPATH)" \
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GOPROXY=off \
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PATH=$(BR_PATH) \
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GOBIN= \
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CGO_ENABLED=$(HOST_GO_CGO_ENABLED)
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ifeq ($(BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS),y)
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ifeq ($(BR2_arm),y)
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GO_GOARCH = arm
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ifeq ($(BR2_ARM_CPU_ARMV5),y)
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GO_GOARM = 5
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else ifeq ($(BR2_ARM_CPU_ARMV6),y)
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GO_GOARM = 6
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else ifeq ($(BR2_ARM_CPU_ARMV7A),y)
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GO_GOARM = 7
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else ifeq ($(BR2_ARM_CPU_ARMV8A),y)
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# Go doesn't support 32-bit GOARM=8 (https://github.com/golang/go/issues/29373)
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# but can still benefit from armv7 optimisations
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GO_GOARM = 7
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endif
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else ifeq ($(BR2_aarch64),y)
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GO_GOARCH = arm64
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else ifeq ($(BR2_i386),y)
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GO_GOARCH = 386
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# i386: use softfloat if no SSE2: https://golang.org/doc/go1.16#386
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ifneq ($(BR2_X86_CPU_HAS_SSE2),y)
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GO_GO386 = softfloat
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endif
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else ifeq ($(BR2_x86_64),y)
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GO_GOARCH = amd64
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else ifeq ($(BR2_powerpc64),y)
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GO_GOARCH = ppc64
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else ifeq ($(BR2_powerpc64le),y)
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GO_GOARCH = ppc64le
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else ifeq ($(BR2_mips64),y)
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GO_GOARCH = mips64
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else ifeq ($(BR2_mips64el),y)
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GO_GOARCH = mips64le
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else ifeq ($(BR2_s390x),y)
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GO_GOARCH = s390x
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endif
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# For the convienience of target packages.
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HOST_GO_TOOLDIR = $(HOST_GO_ROOT)/pkg/tool/linux_$(GO_GOARCH)
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HOST_GO_TARGET_ENV = \
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$(HOST_GO_COMMON_ENV) \
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GOARCH=$(GO_GOARCH) \
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GOCACHE="$(HOST_GO_TARGET_CACHE)" \
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CC="$(TARGET_CC)" \
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CXX="$(TARGET_CXX)" \
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CGO_CFLAGS="$(TARGET_CFLAGS)" \
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CGO_CXXFLAGS="$(TARGET_CXXFLAGS)" \
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CGO_LDFLAGS="$(TARGET_LDFLAGS)" \
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GOTOOLDIR="$(HOST_GO_TOOLDIR)"
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# The go compiler's cgo support uses threads. If BR2_TOOLCHAIN_HAS_THREADS is
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# set, build in cgo support for any go programs that may need it. Note that
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# any target package needing cgo support must include
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# 'depends on BR2_TOOLCHAIN_HAS_THREADS' in its config file.
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ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
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HOST_GO_CGO_ENABLED = 1
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else
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HOST_GO_CGO_ENABLED = 0
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endif
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HOST_GO_CROSS_ENV = \
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CC_FOR_TARGET="$(TARGET_CC)" \
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CXX_FOR_TARGET="$(TARGET_CXX)" \
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GOARCH=$(GO_GOARCH) \
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$(if $(GO_GO386),GO386=$(GO_GO386)) \
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$(if $(GO_GOARM),GOARM=$(GO_GOARM)) \
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GO_ASSUME_CROSSCOMPILING=1
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else # !BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
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# host-go can still be used to build packages for the host. No need to set all
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# the arch stuff since we will not be cross-compiling.
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HOST_GO_CGO_ENABLED = 1
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endif # BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
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# For the convenience of host golang packages
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HOST_GO_HOST_ENV = \
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$(HOST_GO_COMMON_ENV) \
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GOARCH="" \
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GOCACHE="$(HOST_GO_HOST_CACHE)" \
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CC="$(HOSTCC_NOCCACHE)" \
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CXX="$(HOSTCXX_NOCCACHE)" \
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CGO_CFLAGS="$(HOST_CFLAGS)" \
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CGO_CXXFLAGS="$(HOST_CXXFLAGS)" \
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CGO_LDFLAGS="$(HOST_LDFLAGS)"
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# The go build system is not compatible with ccache, so use
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# HOSTCC_NOCCACHE. See https://github.com/golang/go/issues/11685.
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HOST_GO_MAKE_ENV = \
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GO111MODULE=off \
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GOCACHE=$(HOST_GO_HOST_CACHE) \
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GOROOT_BOOTSTRAP=$(HOST_GO_BOOTSTRAP_ROOT) \
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GOROOT_FINAL=$(HOST_GO_ROOT) \
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GOROOT="$(@D)" \
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GOBIN="$(@D)/bin" \
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GOOS=linux \
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CC=$(HOSTCC_NOCCACHE) \
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CXX=$(HOSTCXX_NOCCACHE) \
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CGO_ENABLED=$(HOST_GO_CGO_ENABLED) \
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$(HOST_GO_CROSS_ENV)
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define HOST_GO_BUILD_CMDS
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cd $(@D)/src && \
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$(HOST_GO_MAKE_ENV) ./make.bash $(if $(VERBOSE),-v)
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endef
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define HOST_GO_INSTALL_CMDS
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$(INSTALL) -D -m 0755 $(@D)/bin/go $(HOST_GO_ROOT)/bin/go
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$(INSTALL) -D -m 0755 $(@D)/bin/gofmt $(HOST_GO_ROOT)/bin/gofmt
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ln -sf ../lib/go/bin/go $(HOST_DIR)/bin/
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ln -sf ../lib/go/bin/gofmt $(HOST_DIR)/bin/
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cp -a $(@D)/lib $(HOST_GO_ROOT)/
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mkdir -p $(HOST_GO_ROOT)/pkg
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cp -a $(@D)/pkg/include $(@D)/pkg/linux_* $(HOST_GO_ROOT)/pkg/
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cp -a $(@D)/pkg/tool $(HOST_GO_ROOT)/pkg/
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# There is a known issue which requires the go sources to be installed
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# https://golang.org/issue/2775
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cp -a $(@D)/src $(HOST_GO_ROOT)/
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# Set all file timestamps to prevent the go compiler from rebuilding any
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# built in packages when programs are built.
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find $(HOST_GO_ROOT) -type f -exec touch -r $(@D)/bin/go {} \;
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endef
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$(eval $(host-generic-package))
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