# Copyright © 2025-2026 Apple Inc. and the Containerization project authors.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# https://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

BUILD_CONFIGURATION ?= debug

WARNINGS_AS_ERRORS ?= true

export GIT_COMMIT := $(shell git rev-parse HEAD)

export GIT_TAG := $(shell git describe --tags --exact-match 2>/dev/null || echo "")

export BUILD_TIME := $(shell date -u +%Y-%m-%dT%H:%M:%SZ)

SWIFT_WARNING_CONFIG := $(if $(filter-out false,$(WARNINGS_AS_ERRORS)),-Xswiftc -warnings-as-errors)

SWIFT_CONFIGURATION := --swift-sdk aarch64-swift-linux-musl $(SWIFT_WARNING_CONFIG) -Xlinker -s --disable-automatic-resolution

SWIFT_VERSION := 6.3

SWIFT_SDK_URL := https://download.swift.org/swift-6.3-release/static-sdk/swift-6.3-RELEASE/swift-6.3-RELEASE_static-linux-0.1.0.artifactbundle.tar.gz

SWIFT_SDK_PATH := /tmp/$(notdir $(SWIFT_SDK_URL))

SWIFTLY_URL := https://download.swift.org/swiftly/darwin/swiftly.pkg

SWIFTLY_FILENAME := $(notdir $(SWIFTLY_URL))

SWIFTLY_BIN_DIR ?= ~/.swiftly/bin

SWIFT := $(SWIFTLY_BIN_DIR)/swift

BUILD_BIN_DIR := $(shell $(SWIFT) build -c $(BUILD_CONFIGURATION) $(SWIFT_CONFIGURATION) --show-bin-path)

SYSTEM_TYPE := $(shell uname -s)

ifeq ($(SYSTEM_TYPE),Darwin)

MACOS_VERSION := $(shell sw_vers -productVersion)

MACOS_MAJOR := $(shell echo $(MACOS_VERSION) | cut -d. -f1)

MACOS_RELEASE_TYPE := $(shell sw_vers | grep ReleaseType)

endif

.DEFAULT_GOAL := all

.PHONY: all

all:

@echo Building vminitd and vmexec...

@mkdir -p ./bin/

@rm -f ./bin/vminitd

@rm -f ./bin/vmexec

@$(SWIFT) --version

@$(SWIFT) build -c $(BUILD_CONFIGURATION) $(SWIFT_CONFIGURATION)

@install "$(BUILD_BIN_DIR)/vminitd" ./bin/

@install "$(BUILD_BIN_DIR)/vmexec" ./bin/

.PHONY: cross-prep

cross-prep: linux-sdk

.PHONY: swiftly

swiftly:

@if ! command -v ${SWIFTLY_BIN_DIR}/swiftly > /dev/null 2>&1; then \

echo "Installing Swiftly..."; \

curl -o /var/tmp/$(SWIFTLY_FILENAME) $(SWIFTLY_URL) && \

installer -pkg /var/tmp/$(SWIFTLY_FILENAME) -target CurrentUserHomeDirectory && \

${SWIFTLY_BIN_DIR}/swiftly init --quiet-shell-followup --skip-install && \

. ~/.swiftly/env.sh && \

hash -r && \

rm /var/tmp/$(SWIFTLY_FILENAME); \

fi

.PHONY: swift

swift: swiftly

@echo Installing Swift $(SWIFT_VERSION)...

@${SWIFTLY_BIN_DIR}/swiftly install $(SWIFT_VERSION)

.PHONY: linux-sdk

linux-sdk: swift

@echo Installing Static Linux SDK...

@curl -L -o $(SWIFT_SDK_PATH) $(SWIFT_SDK_URL)

-@$(SWIFT) sdk install $(SWIFT_SDK_PATH)

@rm $(SWIFT_SDK_PATH)

.PHONY: clean

clean:

@echo Cleaning the vminitd build files...

@rm -f ./bin/vminitd

@rm -f ./bin/vmexec

@rm -rf .build