2022-06-08 04:59:18 +00:00
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CURDIR=$(abspath .)
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# These three are passed in from nox.
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BUILDROOT ?= $(CURDIR)/builddir
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PYMAJORMINORMICRO ?= 3.11.0
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EMSCRIPTEN_VERSION=3.1.13
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export EMSDKDIR = $(BUILDROOT)/emsdk
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PLATFORM=wasm32_emscripten
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SYSCONFIGDATA_NAME=_sysconfigdata__$(PLATFORM)
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# BASH_ENV tells bash to source emsdk_env.sh on startup.
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export BASH_ENV := $(CURDIR)/env.sh
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# Use bash to run each command so that env.sh will be used.
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SHELL := /bin/bash
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# Set version variables.
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version_tuple := $(subst ., ,$(PYMAJORMINORMICRO:v%=%))
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PYMAJOR=$(word 1,$(version_tuple))
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PYMINOR=$(word 2,$(version_tuple))
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PYMICRO=$(word 3,$(version_tuple))
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2022-11-07 07:31:47 +00:00
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PYVERSION=$(PYMAJORMINORMICRO)
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2022-06-08 04:59:18 +00:00
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PYMAJORMINOR=$(PYMAJOR).$(PYMINOR)
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PYTHONURL=https://www.python.org/ftp/python/$(PYMAJORMINORMICRO)/Python-$(PYVERSION).tgz
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PYTHONTARBALL=$(BUILDROOT)/downloads/Python-$(PYVERSION).tgz
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PYTHONBUILD=$(BUILDROOT)/build/Python-$(PYVERSION)
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PYTHONLIBDIR=$(BUILDROOT)/install/Python-$(PYVERSION)/lib
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all: $(PYTHONLIBDIR)/libpython$(PYMAJORMINOR).a
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$(BUILDROOT)/.exists:
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mkdir -p $(BUILDROOT)
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touch $@
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# Install emscripten
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$(EMSDKDIR): $(CURDIR)/emscripten_patches/* $(BUILDROOT)/.exists
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git clone https://github.com/emscripten-core/emsdk.git --depth 1 --branch $(EMSCRIPTEN_VERSION) $(EMSDKDIR)
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$(EMSDKDIR)/emsdk install $(EMSCRIPTEN_VERSION)
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cd $(EMSDKDIR)/upstream/emscripten && cat $(CURDIR)/emscripten_patches/* | patch -p1
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$(EMSDKDIR)/emsdk activate $(EMSCRIPTEN_VERSION)
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$(PYTHONTARBALL):
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[ -d $(BUILDROOT)/downloads ] || mkdir -p $(BUILDROOT)/downloads
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wget -q -O $@ $(PYTHONURL)
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$(PYTHONBUILD)/.patched: $(PYTHONTARBALL)
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[ -d $(PYTHONBUILD) ] || ( \
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mkdir -p $(dir $(PYTHONBUILD));\
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tar -C $(dir $(PYTHONBUILD)) -xf $(PYTHONTARBALL) \
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)
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touch $@
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$(PYTHONBUILD)/Makefile: $(PYTHONBUILD)/.patched $(BUILDROOT)/emsdk
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cd $(PYTHONBUILD) && \
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CONFIG_SITE=Tools/wasm/config.site-wasm32-emscripten \
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emconfigure ./configure -C \
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--host=wasm32-unknown-emscripten \
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--build=$(shell $(PYTHONBUILD)/config.guess) \
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--with-emscripten-target=browser \
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--enable-wasm-dynamic-linking \
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--with-build-python=python3.11
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$(PYTHONLIBDIR)/libpython$(PYMAJORMINOR).a : $(PYTHONBUILD)/Makefile
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cd $(PYTHONBUILD) && \
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emmake make -j3 libpython$(PYMAJORMINOR).a
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# Generate sysconfigdata
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_PYTHON_SYSCONFIGDATA_NAME=$(SYSCONFIGDATA_NAME) _PYTHON_PROJECT_BASE=$(PYTHONBUILD) python3.11 -m sysconfig --generate-posix-vars
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cp `cat pybuilddir.txt`/$(SYSCONFIGDATA_NAME).py $(PYTHONBUILD)/Lib
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mkdir -p $(PYTHONLIBDIR)
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# Copy libexpat.a, libmpdec.a, and libpython3.11.a
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# In noxfile, we explicitly link libexpat and libmpdec via RUSTFLAGS
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find $(PYTHONBUILD) -name '*.a' -exec cp {} $(PYTHONLIBDIR) \;
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# Install Python stdlib
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cp -r $(PYTHONBUILD)/Lib $(PYTHONLIBDIR)/python$(PYMAJORMINOR)
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clean:
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rm -rf $(BUILDROOT)
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