include src/options.mk

PYTHON = python
PYMAJ  = 3
PYMIN  = 6

# Checking Python path and version
PYTHON_EXE := $(shell command -v $(PYTHON) 2> /dev/null)

ifndef PYTHON_EXE
  $(error Unable to find the $(PYTHON) executable!)
endif

ifeq ($(shell $(PYTHON_EXE) -c "import sys; exit(sys.version_info >= ($(PYMAJ),$(PYMIN)))"; echo $$?),0)
   $(error Python version >= $(PYMAJ).$(PYMIN) is needed!)
endif


.PHONY: pybinding install devel venv doc clean


pybinding:
	@+. $(VENV_PATH)/bin/activate && $(MAKE) -C src pybinding


venv:
	@virtualenv --python=$(PYTHON_EXE) --prompt="(msspec-$(VERSION)) " $(VENV_PATH)
	@. $(VENV_PATH)/bin/activate && pip install --upgrade pip && pip install -r src/pip.freeze


install: venv pybinding
	@+. $(VENV_PATH)/bin/activate && $(MAKE) -C src sdist
	@+. $(VENV_PATH)/bin/activate && $(MAKE) -C src frontend
	@+. $(VENV_PATH)/bin/activate && pip install src/dist/msspec-$(VERSION).tar.gz
	@echo "Do not forget to check that $(INSTALL_PREFIX)/bin is set in your \$$PATH"


devel: VENV_PATH = ./_venv
devel: venv pybinding
	@. $(VENV_PATH)/bin/activate && pip install -e src/


doc:
	@echo "Building pdf and html documentation..."
	@mkdir -p package/
	@+$(MAKE) -C doc/ latexpdf
	@rm -rf package/*.pdf
	@cp "doc/build/latex/MsSpec-python.pdf" "./package/MsSpec-$(VERSION).pdf"
	@+$(MAKE) -C doc/ html


clean::
	@+$(MAKE) -C src/ clean


help:
	@echo "Top Makefile help message"