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|
CURDIR=$(abspath .)
# These three are passed in from nox.
BUILDROOT ?= $(CURDIR)/builddir
PYMAJORMINORMICRO ?= 3.11.0
EMSCRIPTEN_VERSION=3.1.68
export EMSDKDIR = $(BUILDROOT)/emsdk
PLATFORM=wasm32_emscripten
SYSCONFIGDATA_NAME=_sysconfigdata__$(PLATFORM)
# BASH_ENV tells bash to source emsdk_env.sh on startup.
export BASH_ENV := $(CURDIR)/env.sh
# Use bash to run each command so that env.sh will be used.
SHELL := /bin/bash
# Set version variables.
version_tuple := $(subst ., ,$(PYMAJORMINORMICRO:v%=%))
PYMAJOR=$(word 1,$(version_tuple))
PYMINOR=$(word 2,$(version_tuple))
PYMICRO=$(word 3,$(version_tuple))
PYVERSION=$(PYMAJORMINORMICRO)
PYMAJORMINOR=$(PYMAJOR).$(PYMINOR)
PYTHONURL=https://www.python.org/ftp/python/$(PYMAJORMINORMICRO)/Python-$(PYVERSION).tgz
PYTHONTARBALL=$(BUILDROOT)/downloads/Python-$(PYVERSION).tgz
PYTHONBUILD=$(BUILDROOT)/build/Python-$(PYVERSION)
PYTHONLIBDIR=$(BUILDROOT)/install/Python-$(PYVERSION)/lib
all: $(PYTHONLIBDIR)/libpython$(PYMAJORMINOR).a
$(BUILDROOT)/.exists:
mkdir -p $(BUILDROOT)
touch $@
# Install emscripten
$(EMSDKDIR): $(CURDIR)/emscripten_patches/* $(BUILDROOT)/.exists
git clone https://github.com/emscripten-core/emsdk.git --depth 1 --branch $(EMSCRIPTEN_VERSION) $(EMSDKDIR)
$(EMSDKDIR)/emsdk install $(EMSCRIPTEN_VERSION)
cd $(EMSDKDIR)/upstream/emscripten && cat $(CURDIR)/emscripten_patches/* | patch -p1
$(EMSDKDIR)/emsdk activate $(EMSCRIPTEN_VERSION)
$(PYTHONTARBALL):
[ -d $(BUILDROOT)/downloads ] || mkdir -p $(BUILDROOT)/downloads
wget -q -O $@ $(PYTHONURL)
$(PYTHONBUILD)/.patched: $(PYTHONTARBALL)
[ -d $(PYTHONBUILD) ] || ( \
mkdir -p $(dir $(PYTHONBUILD));\
tar -C $(dir $(PYTHONBUILD)) -xf $(PYTHONTARBALL) \
)
touch $@
$(PYTHONBUILD)/Makefile: $(PYTHONBUILD)/.patched $(BUILDROOT)/emsdk
cd $(PYTHONBUILD) && \
CONFIG_SITE=Tools/wasm/config.site-wasm32-emscripten \
emconfigure ./configure -C \
--host=wasm32-unknown-emscripten \
--build=$(shell $(PYTHONBUILD)/config.guess) \
--with-emscripten-target=browser \
--enable-wasm-dynamic-linking \
--with-build-python=python3.11
$(PYTHONLIBDIR)/libpython$(PYMAJORMINOR).a : $(PYTHONBUILD)/Makefile
cd $(PYTHONBUILD) && \
emmake make -j3 libpython$(PYMAJORMINOR).a
# Generate sysconfigdata
_PYTHON_SYSCONFIGDATA_NAME=$(SYSCONFIGDATA_NAME) _PYTHON_PROJECT_BASE=$(PYTHONBUILD) python3.11 -m sysconfig --generate-posix-vars
cp `cat pybuilddir.txt`/$(SYSCONFIGDATA_NAME).py $(PYTHONBUILD)/Lib
mkdir -p $(PYTHONLIBDIR)
# Copy libexpat.a, libmpdec.a, and libpython3.11.a
# In noxfile, we explicitly link libexpat and libmpdec via RUSTFLAGS
find $(PYTHONBUILD) -name '*.a' -exec cp {} $(PYTHONLIBDIR) \;
# Install Python stdlib
cp -r $(PYTHONBUILD)/Lib $(PYTHONLIBDIR)/python$(PYMAJORMINOR)
clean:
rm -rf $(BUILDROOT)
|
