export EMSCRIPTEN_VERSION = 2.0.13
export BINARYEN_VERSION = ed20954 # version_99. The git tag tags the wrong commit

# BASH_ENV tells bash to run pyodide_env.sh on startup, whcih sets various
# environment variables. The next line instructs make to use bash to run each
# command.
export BASH_ENV := $(PYODIDE_ROOT)/pyodide_env.sh
SHELL := /bin/bash

export PYVERSION=3.8.2
export PYMINOR=$(basename $(PYVERSION))
export HOSTPYTHONROOT=$(shell python -c "import sys; print(sys.prefix)")
export HOSTPYTHON=$(HOSTPYTHONROOT)/bin/python3
export TARGETPYTHONROOT=$(PYODIDE_ROOT)/cpython/installs/python-$(PYVERSION)
export PYTHONINCLUDE=$(PYODIDE_ROOT)/cpython/installs/python-$(PYVERSION)/include/python$(PYMINOR)

# Use env variable if defined, otherwise fallback to './'
export PYODIDE_BASE_URL?=./

# This environment variable is used for packages to detect if they are built
# for pyodide during build time
export PYODIDE=1
# This is the legacy environment variable used for the aforementioned purpose
export PYODIDE_PACKAGE_ABI=1
export EM_COMPILER_WRAPPER=ccache