# Target go packages should depend on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
config BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
	bool
	default y
	depends on BR2_PACKAGE_HOST_GO_BOOTSTRAP_STAGE3_ARCH_SUPPORTS
	# See https://go.dev/doc/install/source#environment
	# See src/go/build/syslist.go for the list of supported architectures
	depends on (BR2_arm && BR2_TOOLCHAIN_SUPPORTS_PIE) || BR2_aarch64 \
		|| BR2_i386 || BR2_x86_64 || BR2_powerpc64le \
		|| BR2_mips64 || BR2_mips64el || BR2_riscv || BR2_s390x
	depends on !BR2_ARM_CPU_ARMV4
	# MIPS R6 support in Go has not yet been developed.
	depends on !BR2_MIPS_CPU_MIPS64R6
	# Go doesn't support Risc-v 32-bit.
	depends on !BR2_RISCV_32
	# Go requires the following Risc-v General (G) features:
	depends on !BR2_riscv || (BR2_RISCV_ISA_RVI && \
		BR2_RISCV_ISA_RVM && BR2_RISCV_ISA_RVA && \
		BR2_RISCV_ISA_RVF && BR2_RISCV_ISA_RVD)

config BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS
	bool
	default y
	depends on BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
	# Go doesn't support CGO linking on MIPS64x platforms
	# See: https://github.com/karalabe/xgo/issues/46
	depends on !BR2_mips64 && !BR2_mips64el
	# go uses dlfcn.h + cgo for its plugin module
	depends on !BR2_STATIC_LIBS
	# cgo supports uses threads
	depends on BR2_TOOLCHAIN_HAS_THREADS

# Host go packages should depend on BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS
config BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS
	bool
	default y
	depends on BR2_PACKAGE_HOST_GO_BOOTSTRAP_STAGE3_ARCH_SUPPORTS || BR2_PACKAGE_HOST_GO_BIN_HOST_ARCH_SUPPORTS

# CGO linking for the host. Since we use the same compiler for target
# and host, if the target can't do CGO linking, then the host can't.
# But if the target is not supported by Go, then the host can do CGO
# linking (except when it itself does not support CGO linking).
config BR2_PACKAGE_HOST_GO_HOST_CGO_LINKING_SUPPORTS
	bool
	default y if BR2_PACKAGE_HOST_GO_TARGET_CGO_LINKING_SUPPORTS
	default y if !BR2_PACKAGE_HOST_GO_TARGET_ARCH_SUPPORTS
	depends on BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS
	depends on BR2_HOSTARCH != "mips64"
	depends on BR2_HOSTARCH != "mips64el"

# Go packages should select BR2_PACKAGE_HOST_GO
config BR2_PACKAGE_HOST_GO
	bool "host go"
	depends on BR2_PACKAGE_HOST_GO_HOST_ARCH_SUPPORTS

if BR2_PACKAGE_HOST_GO

choice
	prompt "Go compiler variant"
	default BR2_PACKAGE_HOST_GO_SRC if BR2_PACKAGE_HOST_GO_BOOTSTRAP_STAGE3_ARCH_SUPPORTS
	default BR2_PACKAGE_HOST_GO_BIN if BR2_PACKAGE_HOST_GO_BIN_HOST_ARCH_SUPPORTS
	help
	  Select a Go compiler variant.

	  Default to 'host-go-src'.

config BR2_PACKAGE_HOST_GO_SRC
	bool "host go (source)"
	depends on BR2_PACKAGE_HOST_GO_BOOTSTRAP_STAGE3_ARCH_SUPPORTS
	help
	  This package will build the go compiler for the host.

config BR2_PACKAGE_HOST_GO_BIN
	bool "host go (pre-built)"
	depends on BR2_PACKAGE_HOST_GO_BIN_HOST_ARCH_SUPPORTS
	help
	  This package will install pre-built versions of the compiler

endchoice

endif

config BR2_PACKAGE_PROVIDES_HOST_GO
	string
	# Default to host-go-bin unless src explicitly requested
	default "host-go-src" if BR2_PACKAGE_HOST_GO_SRC
	default "host-go-bin"

source "package/go/go-bin/Config.in.host"
source "package/go/go-bootstrap-stage1/Config.in.host"
source "package/go/go-bootstrap-stage2/Config.in.host"
source "package/go/go-bootstrap-stage3/Config.in.host"