BUILD_TYPE ?= release

ifeq ($(BUILD_TYPE), release)

CMAKE_BUILD_TYPE = RelWithDebInfo

else

CMAKE_BUILD_TYPE = Debug

endif

MSVC_VER ?= 17

ifeq ($(origin MSVC_YEAR), undefined)

ifeq ($(MSVC_VER), 16)

MSVC_YEAR = 2019

else ifeq ($(MSVC_VER), 17)

MSVC_YEAR = 2022

endif

endif

BUILD_DIR = build

COMPILE_COMMANDS = $(BUILD_DIR)/compile_commands.json

EXPORT_DIR ?= bin

SETUP_WIZARD_DIR = trusttunnel/setup_wizard

ifeq ($(OS), Windows_NT)

NPROC ?= $(or $(NUMBER_OF_PROCESSORS),8)

else

NPROC ?= $(shell (nproc 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || echo 8) | tr -d '\n')

endif

# Common CMake flags

ifeq ($(OS), Windows_NT)

CMAKE_FLAGS = -DCMAKE_BUILD_TYPE=RelWithDebInfo \

-DCMAKE_C_COMPILER="cl.exe" \

-DCMAKE_CXX_COMPILER="cl.exe" \

-G "Ninja"

else

CMAKE_FLAGS = -DCMAKE_BUILD_TYPE=$(CMAKE_BUILD_TYPE) \

-DCMAKE_C_COMPILER="clang" \

-DCMAKE_CXX_COMPILER="clang++" \

-DCMAKE_CXX_FLAGS="-stdlib=libc++" \

-GNinja

endif

.PHONY: init

## Initialize the development environment (git hooks, etc.)

init:

git config core.hooksPath ./scripts/hooks

.PHONY: bootstrap_deps

## Export all the required conan packages to the local cache.

## Skips if all dependencies are already resolved in the local Conan cache.

bootstrap_deps:

@if conan graph info . --profile:host=default >/dev/null 2>&1; then \

echo "Conan dependencies already bootstrapped, skipping."; \

else \

$(MAKE) do_bootstrap_deps; \

fi

.PHONY: do_bootstrap_deps

ifeq ($(SKIP_VENV),1)

do_bootstrap_deps:

./scripts/bootstrap_conan_deps.py

else

do_bootstrap_deps:

python3 -m venv env && \

. env/bin/activate && \

pip install -r requirements.txt && \

./scripts/bootstrap_conan_deps.py

endif

.PHONY: setup_cmake

## Setup CMake

## Set SKIP_BOOTSTRAP=1 to skip bootstrapping dependencies

ifeq ($(SKIP_BOOTSTRAP),1)

setup_cmake:

else

setup_cmake: bootstrap_deps

endif

mkdir -p $(BUILD_DIR) && cmake -S . -B $(BUILD_DIR) $(CMAKE_FLAGS)

.PHONY: compile_commands

## Generate compile_commands.json

compile_commands:

mkdir -p $(BUILD_DIR) && cmake -S . -B $(BUILD_DIR) \

$(CMAKE_FLAGS) \

-DCMAKE_EXPORT_COMPILE_COMMANDS=ON

.PHONY: build_libs

## Build the libraries

build_libs: setup_cmake

cmake --build $(BUILD_DIR) --target vpnlibs_core

.PHONY: build_trusttunnel_client

## Build the VPN client binary

build_trusttunnel_client: build_libs

cmake --build $(BUILD_DIR) --target trusttunnel_client

.PHONY: build_wizard

## Build the setup wizard binary for the VPN client

build_wizard:

cmake --build $(BUILD_DIR) --target setup_wizard

.PHONY: all

## Build all binaries

all: build_trusttunnel_client build_wizard

.PHONY: build_and_export_bin

## Build and copy all binaries in the specified directory

build_and_export_bin: build_trusttunnel_client build_wizard

mkdir -p $(EXPORT_DIR)

cp $(BUILD_DIR)/trusttunnel/trusttunnel_client \

$(BUILD_DIR)/trusttunnel/setup_wizard \

$(EXPORT_DIR)

@echo "Binaries are stored in $(EXPORT_DIR)"

.PHONY: clean

## Clean the project

clean:

cmake --build $(BUILD_DIR) --target clean

.PHONY: lint

lint: lint-md lint-rust lint-cpp

## Lint c++ files.

.PHONY: lint-cpp

lint-cpp: clang-format clangd-tidy

## Verify that clang-format is version 21 or newer.

.PHONY: check-clang-format-version

check-clang-format-version:

@if ! command -v clang-format >/dev/null 2>&1; then \

echo "Error: clang-format is not installed" >&2; exit 1; \

fi

@CF_VERSION=$$(clang-format --version | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1); \

CF_MAJOR=$$(echo "$$CF_VERSION" | cut -d. -f1); \

if [ "$$CF_MAJOR" -lt 21 ] 2>/dev/null; then \

echo "Error: clang-format version 21 or newer is required, found $$CF_VERSION" >&2; exit 1; \

fi

## Check c++ code formatting with clang-format.

.PHONY: clang-format

clang-format: check-clang-format-version

git ls-files --exclude-standard -- . ":!third-party/**" ":!**/pigeon/**" \

| grep -E '\.(cpp|c|h)$$' \

| xargs clang-format -n -Werror

## Check c++ code formatting with clang-tidy.

.PHONY: clang-tidy

clang-tidy: compile_commands

run-clang-tidy -p $(BUILD_DIR) -config-file='.clang-tidy' '^(?!.*(/third-party/)).*\.cpp$$'

## Check c++ code formatting with clangd-tidy.

.PHONY: clangd-tidy

clangd-tidy: compile_commands

ifeq ($(SKIP_VENV),1)

jq -r '.[] | select(.file | endswith(".cpp")) | .file' $(COMPILE_COMMANDS) \

| grep -vE '(^|/)(third-party)(/|$$)' \

| sort -u \

| xargs clangd-tidy -p $(BUILD_DIR) --tqdm -j$(NPROC)

else

python3 -m venv env && \

. env/bin/activate && \

pip install -r requirements.txt && \

jq -r '.[] | select(.file | endswith(".cpp")) | .file' $(COMPILE_COMMANDS) \

| grep -vE '(^|/)(third-party)(/|$$)' \

| sort -u \

| xargs clangd-tidy -p $(BUILD_DIR) --tqdm -j$(NPROC)

endif

## Lint markdown files.

## `markdownlint-cli` should be installed:

## macOS: `brew install markdownlint-cli`

## Linux: `npm install -g markdownlint-cli`

.PHONY: lint-md

lint-md:

echo markdownlint version:

markdownlint --version

markdownlint .

## Check Rust code formatting with rustfmt.

## `rustfmt` should be installed:

## rustup component add rustfmt

.PHONY: lint-rust

lint-rust:

cargo clippy --manifest-path $(SETUP_WIZARD_DIR)/Cargo.toml -- -D warnings

cargo fmt --all --manifest-path $(SETUP_WIZARD_DIR)/Cargo.toml -- --check

## Fix linter issues that are auto-fixable.

.PHONY: lint-fix

lint-fix: lint-fix-rust lint-fix-md lint-fix-cpp

## Auto-fix c++ formatting with clang-format.

.PHONY: lint-fix-cpp

lint-fix-cpp: check-clang-format-version

git ls-files --exclude-standard -- . ":!third-party/**" ":!**/pigeon/**" \

| grep -E '\.(cpp|c|h)$$' \

| xargs clang-format -i

## Auto-fix Rust code formatting issues with rustfmt.

.PHONY: lint-fix-rust

lint-fix-rust:

cargo clippy --fix --allow-dirty --manifest-path $(SETUP_WIZARD_DIR)/Cargo.toml

cargo fmt --all --manifest-path $(SETUP_WIZARD_DIR)/Cargo.toml

## Auto-fix markdown files.

.PHONY: lint-fix-md

lint-fix-md:

markdownlint --fix .

## List Conan dependency package directories.

.PHONY: list-deps-dirs

list-deps-dirs: compile_commands

@GENERATORS_DIR=$$(cmake -L $(BUILD_DIR) 2>/dev/null \

| grep '_DIR:PATH=' \

| grep -v 'NOTFOUND' \

| head -1 \

| sed 's/.*:PATH=//') && \

grep -h '_PACKAGE_FOLDER_' "$$GENERATORS_DIR"/* 2>/dev/null \

| sed -n 's/set(\(.*\)_PACKAGE_FOLDER_[A-Z_]* "\([^"]*\)").*/\1 \2/p' \

| sort -u

.PHONY: test

test: test-cpp test-rust

.PHONY: test-cpp

test-cpp: build_libs

cmake --build $(BUILD_DIR) --target tests

ctest --test-dir $(BUILD_DIR)

.PHONY: test-rust

test-rust:

cargo test --workspace --manifest-path $(SETUP_WIZARD_DIR)/Cargo.toml