export PYVERSION ?= 3.12.1

export PYODIDE_EMSCRIPTEN_VERSION ?= 3.1.58

export PYODIDE_VERSION ?= 0.27.0.dev0

export PYODIDE_ABI_VERSION ?= 2024_0

export PYTHON_ARCHIVE_SHA256=d01ec6a33bc10009b09c17da95cc2759af5a580a7316b3a446eb4190e13f97b2

# Update the following variables when you want to update the version of the

# pyodide-build version used in the build process. If you want to make breaking

# changes in pyodide-build, it is also useful to change the repository URL

# to your fork to test the changes are working as expected.

# v0.27.3

export PYODIDE_BUILD_COMMIT=fac0109aa2acf14469320b049d710dd42639bf94

export PYODIDE_BUILD_REPO=https://github.com/pyodide/pyodide-build

ifdef CPYTHON_DEBUG

export CPYTHON_ABI_FLAGS=d

endif

export PLATFORM_TRIPLET=wasm32-emscripten

export SYSCONFIG_NAME=_sysconfigdata_$(CPYTHON_ABI_FLAGS)_emscripten_$(PLATFORM_TRIPLET)

# BASH_ENV tells bash to run pyodide_env.sh on startup, which 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 := /usr/bin/env bash

version_tmp_1 := $(subst ., ,$(PYVERSION:v%=%))

# Handle alpha, beta, and release candidate versions

version_tmp_2 := $(subst a, ,$(version_tmp_1))

version_tmp_3 := $(subst b, ,$(version_tmp_2))

version_tuple := $(subst r, ,$(version_tmp_3))

export PYMAJOR=$(word 1,$(version_tuple))

export PYMINOR=$(word 2,$(version_tuple))

export PYMICRO=$(word 3,$(version_tuple))

export PYSTABLEVERSION=$(PYMAJOR).$(PYMINOR).$(PYMICRO)

export HOSTPYTHONROOT=$(shell python${PYMAJOR}.${PYMINOR} -c "import sys; print(sys.prefix)")

export HOSTPYTHON=$(HOSTPYTHONROOT)/bin/python$(PYMAJOR).$(PYMINOR)

export PYTHON_ARCHIVE_URL=https://www.python.org/ftp/python/$(PYSTABLEVERSION)/Python-$(PYVERSION).tgz

export CPYTHONROOT=$(PYODIDE_ROOT)/cpython

export CPYTHONINSTALL=$(CPYTHONROOT)/installs/python-$(PYVERSION)

export CPYTHONLIB=$(CPYTHONINSTALL)/lib/python$(PYMAJOR).$(PYMINOR)

export SYSCONFIGDATA_DIR=$(CPYTHONINSTALL)/sysconfigdata/

export CPYTHONBUILD=$(CPYTHONROOT)/build/Python-$(PYVERSION)/

export TARGETINSTALLDIR=$(PYODIDE_ROOT)/cpython/installs/python-$(PYVERSION)

export PYTHONINCLUDE=$(PYODIDE_ROOT)/cpython/installs/python-$(PYVERSION)/include/python$(PYMAJOR).$(PYMINOR)$(CPYTHON_ABI_FLAGS)

# Use env variable if defined, otherwise fallback to './'

export PYODIDE_BASE_URL?=./

# The compression level used for zip files and wheels. When distributing via a

# CDN it's more efficient to keep this value to 0, and let the CDN perform the

# Brotli compression.

export PYODIDE_ZIP_COMPRESSION_LEVEL?=6

export PIP_CONSTRAINT=$(PYODIDE_ROOT)/tools/constraints.txt

# List of modules to exclude from the zipped standard library

export PYZIP_EXCLUDE_FILES=\

ensurepip/ \

venv/ \

lib2to3/ \

_osx_support.py \

_aix_support.py \

curses/ \

dbm/ \

idlelib/ \

tkinter/ \

turtle.py \

turtledemo/ \

test/ \

sqlite3/ \

ssl.py \

lzma.py \

_pydecimal.py \

pydoc_data/

# List of modules that we replace with a stub in the zipped standard library

export PYZIP_JS_STUBS=\

webbrowser.py

export PYCOMPILE_EXCLUDE_FILES=\

RobotRaconteur- \

astropy- \

opencv_python- \

test-

export DBGFLAGS_NODEBUG=-g0

export DBGFLAGS_WASMDEBUG=-g2

export DBGFLAGS_SOURCEMAPDEBUG=-g3

export DBG_LDFLAGS_SOURCEMAPDEBUG=-gseparate-dwarf

export DBGFLAGS=$(DBGFLAGS_NODEBUG)

ifdef PYODIDE_DEBUG

export PYODIDE_SYMBOLS=1

export PYODIDE_DEBUG_JS=1

export PYODIDE_ASSERTIONS=1

endif

ifdef PYODIDE_SOURCEMAP

# Debug with source maps (less useful than WASMDEBUG but easier if it helps)

export DBGFLAGS=$(DBGFLAGS_SOURCEMAPDEBUG)

export DBG_LDFLAGS=$(DBG_LDFLAGS_SOURCEMAPDEBUG)

else

ifdef PYODIDE_SYMBOLS

# Include debug symbols but no source maps (most useful)

export DBGFLAGS=$(DBGFLAGS_WASMDEBUG)

endif

endif

ifdef PYODIDE_ASSERTIONS

EXTRA_CFLAGS+= -DDEBUG_F

endif

export OPTFLAGS=-O2

export CFLAGS_BASE=\

$(OPTFLAGS) \

$(DBGFLAGS) \

-fPIC \

$(EXTRA_CFLAGS)

export LDFLAGS_BASE=\

$(OPTFLAGS) \

$(DBGFLAGS) \

$(DBG_LDFLAGS) \

-L$(CPYTHONROOT)/installs/python-$(PYVERSION)/lib/ \

-s WASM_BIGINT \

$(EXTRA_LDFLAGS)

export CXXFLAGS_BASE=

export MAIN_MODULE_LDFLAGS= $(LDFLAGS_BASE) \

-s MAIN_MODULE=1 \

-s MODULARIZE=1 \

-s LZ4=1 \

-s EXPORT_NAME="'_createPyodideModule'" \

-s EXPORT_EXCEPTION_HANDLING_HELPERS \

-s EXCEPTION_CATCHING_ALLOWED=['we only want to allow exception handling in side modules'] \

-sEXPORTED_RUNTIME_METHODS='wasmTable,ERRNO_CODES' \

-s USE_ZLIB \

-s USE_BZIP2 \

-s FORCE_FILESYSTEM=1 \

-s TOTAL_MEMORY=20971520 \

-s ALLOW_MEMORY_GROWTH=1 \

-s EXPORT_ALL=1 \

-s STACK_SIZE=5MB \

-s AUTO_JS_LIBRARIES=0 \

-s AUTO_NATIVE_LIBRARIES=0 \

-s NODEJS_CATCH_EXIT=0 \

-s NODEJS_CATCH_REJECTION=0 \

-s EXPORTED_FUNCTIONS='$(EXPORTS)'\

\

-lpython$(PYMAJOR).$(PYMINOR)$(CPYTHON_ABI_FLAGS) \

-lffi \

-lstdc++ \

-lidbfs.js \

-lnodefs.js \

-lproxyfs.js \

-lworkerfs.js \

-lwebsocket.js \

-leventloop.js \

-lhiwire \

\

-lGL \

-legl.js \

-lwebgl.js \

-lhtml5.js \

-lhtml5_webgl.js \

-lsdl.js \

-sGL_WORKAROUND_SAFARI_GETCONTEXT_BUG=0

EXPORTS=_main \

,_free \

\

,_hiwire_new \

,_hiwire_intern \

,_hiwire_num_refs \

,_hiwire_get \

,_hiwire_incref \

,_hiwire_decref \

,_hiwire_pop \

,__hiwire_get \

,__hiwire_set \

,__hiwire_immortal_get \

,__hiwire_immortal_add \

,_jslib_init \

,_init_pyodide_proxy \

\

,_PyBuffer_Release \

,_Py_DecRef \

,_PyDict_New \

,_PyDict_SetItem \

,__PyErr_CheckSignals \

,_PyErr_CheckSignals \

,_PyErr_Clear \

,_PyErr_Occurred \

,_PyErr_Print \

,_PyErr_SetRaisedException \

,_PyErr_SetString \

,_PyEval_SaveThread \

,_PyEval_RestoreThread \

,_PyFloat_FromDouble \

,_PyGILState_Check \

,_Py_IncRef \

,_PyList_New \

,_PyList_SetItem \

,__PyLong_FromByteArray \

,_PyLong_FromDouble \

,_PyMem_Free \

,_PyObject_GetAIter \

,_PyObject_GetIter \

,_PyObject_Size \

,_PyRun_SimpleString \

,_PySet_Add \

,_PySet_New \

,__PyTraceback_Add \

,_PyUnicode_Data \

,_PyUnicode_New \

ifeq ($(DISABLE_DYLINK), 1)

export MAIN_MODULE_LDFLAGS= $(LDFLAGS_BASE) \

-s MODULARIZE=1 \

-s EXPORT_NAME="'_createPyodideModule'" \

-sEXPORTED_RUNTIME_METHODS='wasmTable,ERRNO_CODES,FS,ENV,stringToNewUTF8,addFunction' \

-s LZ4=1 \

-s USE_ZLIB \

-s USE_BZIP2 \

-s FORCE_FILESYSTEM=1 \

-s TOTAL_MEMORY=20971520 \

-s ALLOW_MEMORY_GROWTH=1 \

-s STACK_SIZE=5MB \

-s ALLOW_TABLE_GROWTH \

-sWASM_BIGINT \

-sEXPORTED_FUNCTIONS='$(EXPORTS)'\

-lpython$(PYMAJOR).$(PYMINOR)$(CPYTHON_ABI_FLAGS) \

-lffi \

-lhiwire \

-lidbfs.js \

-lnodefs.js \

endif

export MAIN_MODULE_CFLAGS= $(CFLAGS_BASE) \

-Wall \

-Wno-warn-absolute-paths \

-Werror=unused-variable \

-Werror=sometimes-uninitialized \

-Werror=int-conversion \

-Werror=incompatible-pointer-types \

-Werror=unused-result \

-mreference-types \

-I$(PYTHONINCLUDE) \

-I$(PYTHONINCLUDE)/.. \

-s EXCEPTION_CATCHING_ALLOWED=['we only want to allow exception handling in side modules']

.output_vars:

set