- #
- # Copyright (C) 2018 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
-
- include $(GO_INCLUDE_DIR)/golang-version.mk
-
-
- unexport \
- GOARCH GOBIN GOCACHE GODEBUG GOFLAGS GOHOSTARCH GOOS GOPATH GORACE GOROOT GOTMPDIR GCCGO \
- CGO_ENABLED \
- CGO_CFLAGS CGO_CFLAGS_ALLOW CGO_CFLAGS_DISALLOW \
- CGO_CPPFLAGS CGO_CPPFLAGS_ALLOW CGO_CPPFLAGS_DISALLOW \
- CGO_CXXFLAGS CGO_CXXFLAGS_ALLOW CGO_CXXFLAGS_DISALLOW \
- CGO_FFLAGS CGO_FFLAGS_ALLOW CGO_FFLAGS_DISALLOW \
- CGO_LDFLAGS CGO_LDFLAGS_ALLOW CGO_LDFLAGS_DISALLOW \
- GOARM GO386 GOMIPS GOMIPS64 \
- GO111MODULE \
- GOROOT_FINAL GO_EXTLINK_ENABLED GIT_ALLOW_PROTOCOL \
- CC_FOR_TARGET CXX_FOR_TARGET GO_DISTFLAGS GO_GCFLAGS GO_LDFLAGS GOBUILDTIMELOGFILE GOROOT_BOOTSTRAP \
- BOOT_GO_GCFLAGS GOEXPERIMENT GOBOOTSTRAP_TOOLEXEC
- # there are more magic environment variables to track down, but ain't nobody got time for that
-
- go_arch=$(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 \
- i486,i386,$(subst \
- i586,i386,$(subst \
- i686,i386,$(HOST_ARCH)))))))
- GO_HOST_OS_ARCH:=$(GO_HOST_OS)_$(GO_HOST_ARCH)
-
- GO_HOST_TARGET_SAME:=$(if $(and $(findstring $(GO_OS_ARCH),$(GO_HOST_OS_ARCH)),$(findstring $(GO_HOST_OS_ARCH),$(GO_OS_ARCH))),1)
- GO_HOST_TARGET_DIFFERENT:=$(if $(GO_HOST_TARGET_SAME),,1)
-
- # ensure binaries can run on older CPUs
- GO_386:=387
-
- GO_ARM:=$(if $(CONFIG_arm_v7),7,$(if $(CONFIG_arm_v6),6,$(if $(findstring $(GO_ARCH),arm),5,)))
-
- GO_MIPS:=$(if $(filter $(GO_ARCH),mips mipsle),$(if $(CONFIG_HAS_FPU),hardfloat,softfloat),)
-
- GO_MIPS64:=$(if $(filter $(GO_ARCH),mips64 mips64le),$(if $(CONFIG_HAS_FPU),hardfloat,softfloat),)
-
- # -fno-plt: causes "unexpected GOT reloc for non-dynamic symbol" errors
- # -mips32r2: conflicts with -march=mips32 set by go
- GO_CFLAGS_TO_REMOVE:=$(if \
- $(filter $(GO_ARCH),386),-fno-plt,$(if \
- $(filter $(GO_ARCH),mips mipsle),-mips32r2,))
-
- GO_ARCH_DEPENDS:=@(aarch64||arm||i386||i686||mips||mips64||mips64el||mipsel||powerpc64||x86_64)
-
- GO_TARGET_PREFIX:=/usr
- GO_TARGET_VERSION_ID:=$(GO_VERSION_MAJOR_MINOR)
- GO_TARGET_ROOT:=$(GO_TARGET_PREFIX)/lib/go-$(GO_TARGET_VERSION_ID)
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