pyodide/Makefile

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Makefile
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PYVERSION=3.5.2
PYMINOR=$(basename $(PYVERSION))
CPYTHON_EMSCRIPTEN_ROOT=../cpython-emscripten
CC=emcc
CXX=em++
OPTFLAGS=-O2
CXXFLAGS=-std=c++14 $(OPTFLAGS) -g -I $(CPYTHON_EMSCRIPTEN_ROOT)/installs/python-$(PYVERSION)/include/python$(PYMINOR)/ -Wno-warn-absolute-paths
LDFLAGS=$(OPTFLAGS) $(CPYTHON_EMSCRIPTEN_ROOT)/installs/python-$(PYVERSION)/lib/libpython$(PYMINOR).a \
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-s "BINARYEN_METHOD='native-wasm,interpret-binary,interpret-asm2wasm'" \
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-s TOTAL_MEMORY=268435456 \
-s ASSERTIONS=2 \
-s EMULATE_FUNCTION_POINTER_CASTS=1 \
-s EXPORTED_FUNCTIONS='["_main"]' \
--memory-init-file 0
all: build/pyodide.asm.html build/pyodide.js
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build/pyodide.asm.html: src/main.bc src/jsproxy.bc src/js2python.bc src/pylocals.bc \
src/pyproxy.bc src/python2js.bc src/runpython.bc root
$(CC) -s WASM=1 -s EXPORT_NAME="'pyodide'" --bind -o $@ $(filter %.bc,$^) $(LDFLAGS) \
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$(foreach d,$(wildcard root/*),--preload-file $d@/$(notdir $d))
build/pyodide.js: src/pyodide.js
cp $< $@
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clean:
-rm -fr root
-rm build/*
-rm src/*.bc
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%.bc: %.cpp $(CPYTHON_EMSCRIPTEN_ROOT)/installs/python-$(PYVERSION)/lib/python$(PYMINOR)
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$(CXX) --bind -o $@ $< $(CXXFLAGS)
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root: $(CPYTHON_EMSCRIPTEN_ROOT)/installs/python-$(PYVERSION)/lib/python$(PYMINOR)
mkdir -p root/lib
cp -a $(CPYTHON_EMSCRIPTEN_ROOT)/installs/python-$(PYVERSION)/lib/python$(PYMINOR)/ root/lib
( \
cd root/lib/python$(PYMINOR); \
rm -fr test distutils ensurepip idlelib __pycache__ tkinter; \
)
$(CPYTHON_EMSCRIPTEN_ROOT)/installs/python-$(PYVERSION)/lib/python$(PYMINOR):
make -C $(CPYTHON_EMSCRIPTEN_ROOT)/$(PYVERSION)