EMSDK_VERSION ?= latest

EMSDK_DIR := $(shell cd .. && pwd)/emsdk

.PHONY: requirements develop build

requirements: ## install emsdk locally and ensure C++ toolchain is available

@if [ ! -d "$(EMSDK_DIR)" ]; then \

echo "Installing emsdk locally into $(EMSDK_DIR)..." && \

git clone https://github.com/emscripten-core/emsdk.git "$(EMSDK_DIR)" && \

cd "$(EMSDK_DIR)" && ./emsdk install $(EMSDK_VERSION) && ./emsdk activate $(EMSDK_VERSION); \

else \

echo "emsdk already installed at $(EMSDK_DIR)"; \

fi

@echo "Ensure C++ compiler (g++/clang++) and clang-format are available"

develop: requirements ## install required dev dependencies

build: ## verify standalone C++ compilation

@echo "C++ library is compiled as part of Python (hatch-cpp) and JavaScript (emscripten) builds"

.PHONY: lint lints fix format

lint: ## run clang-format for linting

clang-format --dry-run -Werror -i -style=file:../.clang-format `find . -name "*.*pp"`

lints: lint

fix: ## fix code with clang-format

clang-format -i -style=file:../.clang-format `find . -name "*.*pp"`

format: fix

.PHONY: check checks

check: ## verify compilation

@echo "C++ library is checked as part of Python and JavaScript builds"

checks: check

.PHONY: test tests coverage

test: ## run the tests

@echo "C++ tests are run through Python and JavaScript test suites"

tests: test

coverage: test

.DEFAULT_GOAL := help

help:

@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

print-%:

@echo '$*=$($*)'