ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/external/subpack/lang/golang/golang-values.mk b/external/subpack/lang/golang/golang-values.mk
new file mode 100644
index 0000000..34c9c1c
--- /dev/null
+++ b/external/subpack/lang/golang/golang-values.mk
@@ -0,0 +1,256 @@
+#
+# Copyright (C) 2018, 2020 Jeffery To
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+ifeq ($(origin GO_INCLUDE_DIR),undefined)
+ GO_INCLUDE_DIR:=$(dir $(lastword $(MAKEFILE_LIST)))
+endif
+
+
+# Unset environment variables
+# There are more magic variables to track down, but ain't nobody got time for that
+
+# From https://pkg.go.dev/cmd/go#hdr-Environment_variables
+
+# General-purpose environment variables:
+unexport \
+ GO111MODULE \
+ GCCGO \
+ GOARCH \
+ GOBIN \
+ GOCACHE \
+ GOMODCACHE \
+ GODEBUG \
+ GOENV \
+ GOFLAGS \
+ GOOS \
+ GOPATH \
+ GOROOT \
+ GOTMPDIR
+# Unmodified:
+# GOINSECURE
+# GOPRIVATE
+# GOPROXY
+# GONOPROXY
+# GOSUMDB
+# GONOSUMDB
+# GOVCS
+
+# Environment variables for use with cgo:
+unexport \
+ AR \
+ CC \
+ CGO_ENABLED \
+ CGO_CFLAGS CGO_CFLAGS_ALLOW CGO_CFLAGS_DISALLOW \
+ CGO_CPPFLAGS CGO_CPPFLAGS_ALLOW CGO_CPPFLAGS_DISALLOW \
+ CGO_CXXFLAGS CGO_CXXFLAGS_ALLOW CGO_CXXFLAGS_DISALLOW \
+ CGO_FFLAGS CGO_FFLAGS_ALLOW CGO_FFLAGS_DISALLOW \
+ CGO_LDFLAGS CGO_LDFLAGS_ALLOW CGO_LDFLAGS_DISALLOW \
+ CXX \
+ FC
+# Unmodified:
+# PKG_CONFIG
+
+# Architecture-specific environment variables:
+unexport \
+ GOARM \
+ GO386 \
+ GOMIPS \
+ GOMIPS64 \
+ GOWASM
+
+# Special-purpose environment variables:
+unexport \
+ GCCGOTOOLDIR \
+ GOEXPERIMENT \
+ GOROOT_FINAL \
+ GO_EXTLINK_ENABLED
+# Unmodified:
+# GIT_ALLOW_PROTOCOL
+
+# From https://pkg.go.dev/runtime#hdr-Environment_Variables
+unexport \
+ GOGC \
+ GOMAXPROCS \
+ GORACE \
+ GOTRACEBACK
+
+# From https://pkg.go.dev/cmd/cgo#hdr-Using_cgo_with_the_go_command
+unexport \
+ CC_FOR_TARGET \
+ CXX_FOR_TARGET
+# Todo:
+# CC_FOR_${GOOS}_${GOARCH}
+# CXX_FOR_${GOOS}_${GOARCH}
+
+# From https://golang.org/doc/install/source#environment
+unexport \
+ GOHOSTOS \
+ GOHOSTARCH \
+ GOPPC64
+
+# From https://golang.org/src/make.bash
+unexport \
+ GO_GCFLAGS \
+ GO_LDFLAGS \
+ GO_LDSO \
+ GO_DISTFLAGS \
+ GOBUILDTIMELOGFILE \
+ GOROOT_BOOTSTRAP
+
+# From https://golang.org/doc/go1.9#parallel-compile
+unexport \
+ GO19CONCURRENTCOMPILATION
+
+# From https://golang.org/src/cmd/dist/build.go
+unexport \
+ BOOT_GO_GCFLAGS \
+ BOOT_GO_LDFLAGS
+
+# From https://golang.org/src/cmd/dist/buildtool.go
+unexport \
+ GOBOOTSTRAP_TOOLEXEC
+
+
+# GOOS / GOARCH
+
+go_arch=$(subst \
+ aarch64,arm64,$(subst \
+ i386,386,$(subst \
+ mipsel,mipsle,$(subst \
+ mips64el,mips64le,$(subst \
+ powerpc64,ppc64,$(subst \
+ x86_64,amd64,$(1)))))))
+
+GO_OS:=linux
+GO_ARCH:=$(call go_arch,$(ARCH))
+GO_OS_ARCH:=$(GO_OS)_$(GO_ARCH)
+
+GO_HOST_OS:=$(call tolower,$(HOST_OS))
+GO_HOST_ARCH:=$(call go_arch,$(subst \
+ armv6l,arm,$(subst \
+ armv7l,arm,$(subst \
+ i686,i386,$(HOST_ARCH)))))
+GO_HOST_OS_ARCH:=$(GO_HOST_OS)_$(GO_HOST_ARCH)
+
+ifeq ($(GO_OS_ARCH),$(GO_HOST_OS_ARCH))
+ GO_HOST_TARGET_SAME:=1
+else
+ GO_HOST_TARGET_DIFFERENT:=1
+endif
+
+ifeq ($(GO_ARCH),386)
+ ifeq ($(CONFIG_TARGET_x86_geode)$(CONFIG_TARGET_x86_legacy),y)
+ GO_386:=softfloat
+ else
+ GO_386:=sse2
+ endif
+
+ # -fno-plt: causes "unexpected GOT reloc for non-dynamic symbol" errors
+ GO_CFLAGS_TO_REMOVE:=-fno-plt
+
+else ifeq ($(GO_ARCH),arm)
+ GO_TARGET_FPU:=$(word 2,$(subst +,$(space),$(call qstrip,$(CONFIG_CPU_TYPE))))
+
+ # FPU names from https://gcc.gnu.org/onlinedocs/gcc-8.4.0/gcc/ARM-Options.html#index-mfpu-1
+ # see also https://github.com/gcc-mirror/gcc/blob/releases/gcc-8.4.0/gcc/config/arm/arm-cpus.in
+
+ ifeq ($(GO_TARGET_FPU),)
+ GO_ARM:=5
+ else ifneq ($(filter $(GO_TARGET_FPU),vfp vfpv2),)
+ GO_ARM:=6
+ else
+ GO_ARM:=7
+ endif
+
+else ifneq ($(filter $(GO_ARCH),mips mipsle),)
+ ifeq ($(CONFIG_HAS_FPU),y)
+ GO_MIPS:=hardfloat
+ else
+ GO_MIPS:=softfloat
+ endif
+
+ # -mips32r2: conflicts with -march=mips32 set by go
+ GO_CFLAGS_TO_REMOVE:=-mips32r2
+
+else ifneq ($(filter $(GO_ARCH),mips64 mips64le),)
+ ifeq ($(CONFIG_HAS_FPU),y)
+ GO_MIPS64:=hardfloat
+ else
+ GO_MIPS64:=softfloat
+ endif
+
+endif
+
+
+# Target Go
+
+GO_ARCH_DEPENDS:=@(aarch64||arm||i386||i686||mips||mips64||mips64el||mipsel||powerpc64||x86_64)
+
+
+# ASLR/PIE
+
+# From https://golang.org/src/cmd/internal/sys/supported.go
+GO_PIE_SUPPORTED_OS_ARCH:= \
+ android_386 android_amd64 android_arm android_arm64 \
+ linux_386 linux_amd64 linux_arm linux_arm64 \
+ \
+ windows_386 windows_amd64 windows_arm \
+ \
+ darwin_amd64 darwin_arm64 \
+ ios_amd64 ios_arm64 \
+ \
+ freebsd_amd64 \
+ \
+ aix_ppc64 \
+ \
+ linux_ppc64le linux_riscv64 linux_s390x
+
+# From https://golang.org/src/cmd/go/internal/work/init.go
+go_pie_install_suffix=$(if $(filter $(1),aix_ppc64 windows_386 windows_amd64 windows_arm),,shared)
+
+ifneq ($(filter $(GO_HOST_OS_ARCH),$(GO_PIE_SUPPORTED_OS_ARCH)),)
+ GO_HOST_PIE_SUPPORTED:=1
+ GO_HOST_PIE_INSTALL_SUFFIX:=$(call go_pie_install_suffix,$(GO_HOST_OS_ARCH))
+endif
+
+ifneq ($(filter $(GO_OS_ARCH),$(GO_PIE_SUPPORTED_OS_ARCH)),)
+ GO_TARGET_PIE_SUPPORTED:=1
+ GO_TARGET_PIE_INSTALL_SUFFIX:=$(call go_pie_install_suffix,$(GO_OS_ARCH))
+endif
+
+
+# Spectre mitigations
+
+GO_SPECTRE_SUPPORTED_ARCH:=amd64
+
+ifneq ($(filter $(GO_HOST_ARCH),$(GO_SPECTRE_SUPPORTED_ARCH)),)
+ GO_HOST_SPECTRE_SUPPORTED:=1
+endif
+
+ifneq ($(filter $(GO_ARCH),$(GO_SPECTRE_SUPPORTED_ARCH)),)
+ GO_TARGET_SPECTRE_SUPPORTED:=1
+endif
+
+
+# General build info
+
+GO_BUILD_CACHE_DIR:=$(or $(call qstrip,$(CONFIG_GOLANG_BUILD_CACHE_DIR)),$(TMP_DIR)/go-build)
+GO_MOD_CACHE_DIR:=$(DL_DIR)/go-mod-cache
+
+GO_MOD_ARGS= \
+ -modcacherw
+
+GO_GENERAL_BUILD_CONFIG_VARS= \
+ CONFIG_GOLANG_MOD_CACHE_WORLD_READABLE="$(CONFIG_GOLANG_MOD_CACHE_WORLD_READABLE)" \
+ GO_BUILD_CACHE_DIR="$(GO_BUILD_CACHE_DIR)" \
+ GO_MOD_CACHE_DIR="$(GO_MOD_CACHE_DIR)" \
+ GO_MOD_ARGS="$(GO_MOD_ARGS)"
+
+define Go/CacheCleanup
+ $(GO_GENERAL_BUILD_CONFIG_VARS) \
+ $(SHELL) $(GO_INCLUDE_DIR)/golang-build.sh cache_cleanup
+endef