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- # Constants
- MK_FILE_PATH = $(lastword $(MAKEFILE_LIST))
- PRJ_DIR = $(abspath $(dir $(MK_FILE_PATH))/..)
- DEV_DIR = $(PRJ_DIR)/_dev
- # Results will be produced in this directory (can be provided by a caller)
- BUILD_DIR ?= $(PRJ_DIR)/_dev/GOROOT
-
- # Compiler
- GO ?= go
-
- # Build environment
- OS ?= $(shell $(GO) env GOHOSTOS)
- ARCH ?= $(shell $(GO) env GOHOSTARCH)
- OS_ARCH := $(OS)_$(ARCH)
- VER_OS_ARCH := $(shell $(GO) version | cut -d' ' -f 3)_$(OS)_$(ARCH)
- GOROOT_ENV := $(shell $(GO) env GOROOT)
- GOROOT_LOCAL = $(BUILD_DIR)/$(OS_ARCH)
- # Flag indicates wheter invoke "go install -race std". Supported only on amd64 with CGO enabled
- INSTALL_RACE:= $(words $(filter $(ARCH)_$(shell go env CGO_ENABLED), amd64_1))
-
- # TODO: I'm not sure why we would remove it at the end
- # but I comment this code as tls.a is exactly what
- # I try to build here
- #GOROOT: GOROOT/$(OS_ARCH)/.ok_$(VER_OS_ARCH)
- # rm -f GOROOT/$(OS_ARCH)/pkg/*/crypto/tls.a
-
- $(BUILD_DIR)/$(OS_ARCH)/.ok_$(VER_OS_ARCH): clean
-
- # Create clean directory structure
- mkdir -p "$(GOROOT_LOCAL)/pkg"
-
- # Copy src/tools from system GOROOT
- cp -r $(GOROOT_ENV)/src $(GOROOT_LOCAL)/src
- cp -r $(GOROOT_ENV)/pkg/include $(GOROOT_LOCAL)/pkg/include
- cp -r $(GOROOT_ENV)/pkg/tool $(GOROOT_LOCAL)/pkg/tool
-
- # Swap TLS implementation
- rm -r $(GOROOT_LOCAL)/src/crypto/tls/*
- rsync -a $(PRJ_DIR)/ $(GOROOT_LOCAL)/src/crypto/tls/ --exclude=$(lastword $(subst /, ,$(DEV_DIR)))
-
- # Apply additional patches
- for p in $(wildcard $(DEV_DIR)/patches/*); do patch -d "$(GOROOT_LOCAL)" -p1 < "$$p"; done
-
- # Create go package
- GOARCH=$(ARCH) GOROOT="$(GOROOT_LOCAL)" $(GO) install -v std
- ifeq ($(INSTALL_RACE),1)
- GOARCH=$(ARCH) GOROOT="$(GOROOT_LOCAL)" $(GO) install -race -v std
- endif
- @touch "$@"
-
- clean:
- rm -rf $(BUILD_DIR)/$(OS_ARCH)
-
- clean-all:
- rm -rf $(BUILD_DIR)
-
- # PHONY targets
- .PHONY: $(BUILD_DIR) clean
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