pyodide/cpython/Makefile

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Makefile
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PYODIDE_ROOT=$(abspath ..)
include ../Makefile.envs
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ROOT=$(abspath .)
PYTHON_CFLAGS=$(CFLAGS_BASE)
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BUILD=$(ROOT)/build/Python-$(PYVERSION)
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INSTALL=$(ROOT)/installs/python-$(PYVERSION)
TARBALL=$(ROOT)/downloads/Python-$(PYVERSION).tgz
URL=https://www.python.org/ftp/python/$(PYVERSION)/Python-$(PYVERSION).tgz
LIB=libpython$(PYMINOR).a
SYSCONFIG_NAME=_sysconfigdata__emscripten_
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ZLIBVERSION = 1.2.11
ZLIBTARBALL=$(ROOT)/downloads/zlib-$(ZLIBVERSION).tar.gz
ZLIBBUILD=$(ROOT)/build/zlib-$(ZLIBVERSION)
ZLIBURL=https://zlib.net/zlib-1.2.11.tar.gz
SQLITETARBALL=$(ROOT)/downloads/sqlite-autoconf-3270200.tar.gz
SQLITEBUILD=$(ROOT)/build/sqlite-autoconf-3270200
SQLITEURL=https://www.sqlite.org/2019/sqlite-autoconf-3270200.tar.gz
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BZIP2TARBALL=$(ROOT)/downloads/bzip2-1.0.2.tar.gz
BZIP2BUILD=$(ROOT)/build/bzip2-1.0.2
BZIP2URL=https://sourceware.org/pub/bzip2/bzip2-1.0.2.tar.gz
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all: $(INSTALL)/lib/$(LIB)
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$(INSTALL)/lib/$(LIB): $(BUILD)/$(LIB) remove_modules.txt
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( \
cd $(BUILD); \
sed -i -e 's/libinstall:.*/libinstall:/' Makefile; \
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touch $(BUILD)/$(LIB) ; \
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emmake make PYTHON_FOR_BUILD=$(HOSTPYTHON) CROSS_COMPILE=yes inclinstall libinstall $(LIB) -j $${PYODIDE_JOBS:-3} && \
cp $(LIB) $(INSTALL)/lib/ \
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)
# Generate sysconfigdata. It outputs into a subfolder of build/, and
# the subfolder is written to pybuilddir.txt.
_PYTHON_SYSCONFIGDATA_NAME=$(SYSCONFIG_NAME) _PYTHON_PROJECT_BASE=$(BUILD) python -m sysconfig --generate-posix-vars
mv `cat pybuilddir.txt`/$(SYSCONFIG_NAME).py $(INSTALL)/lib/python$(PYMINOR)/
rmdir `cat pybuilddir.txt`
rm pybuilddir.txt
cd $(INSTALL)/lib/python$(PYMINOR)/ && rm -rf `cat $(ROOT)/remove_modules.txt`
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clean:
-rm -fr $(BUILD)
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-rm -fr $(INSTALL)
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$(TARBALL):
[ -d $(ROOT)/downloads ] || mkdir $(ROOT)/downloads
wget -q -O $@ $(URL)
md5sum --quiet --check checksums || (rm $@; false)
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$(ZLIBTARBALL):
[ -d $(ROOT)/downloads ] || mkdir $(ROOT)/downloads
wget -q -O $@ $(ZLIBURL)
$(SQLITETARBALL):
[ -d $(ROOT)/downloads ] || mkdir $(ROOT)/downloads
wget -q -O $@ $(SQLITEURL)
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$(BZIP2TARBALL):
[ -d $(ROOT)/downloads ] || mkdir $(ROOT)/downloads
wget -q -O $@ $(BZIP2URL)
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$(BUILD)/.patched: $(TARBALL)
[ -d $(BUILD) ] || (mkdir -p $(dir $(BUILD)); tar -C $(dir $(BUILD)) -xf $(TARBALL))
cat patches/*.patch | (cd $(BUILD) ; patch -p1)
touch $@
$(ZLIBBUILD)/.configured: $(ZLIBTARBALL)
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[ -d $(ROOT)/build ] || (mkdir $(ROOT)/build)
tar -C $(ROOT)/build/ -xf $(ROOT)/downloads/zlib-1.2.11.tar.gz
cd $(ZLIBBUILD); emconfigure ./configure
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touch $@
$(SQLITEBUILD)/libsqlite3.la: $(SQLITETARBALL)
[ -d $(ROOT)/build ] || (mkdir $(ROOT)/build)
tar -C $(ROOT)/build/ -xf $(SQLITETARBALL)
# sqlite fails to detect that popen is not available. We have to set it
# as a CPPFLAG
( \
cd $(SQLITEBUILD); \
emconfigure ./configure CFLAGS="$(PYTHON_CFLAGS)" CPPFLAGS="-DSQLITE_OMIT_POPEN"; \
emmake make -j $${PYODIDE_JOBS:-3}; \
)
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$(BZIP2BUILD)/libbz2.a: $(BZIP2TARBALL)
[ -d $(ROOT)/build ] || (mkdir $(ROOT)/build)
tar -C $(ROOT)/build/ -xf $(BZIP2TARBALL)
( \
cd $(BZIP2BUILD); \
emmake make -j $${PYODIDE_JOBS:-3} CC=emcc CFLAGS="$(PYTHON_CFLAGS) -D_FILE_OFFSET_BITS=64" AR=emar RANLIB=emranlib libbz2.a; \
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)
$(BUILD)/Makefile: $(BUILD)/.patched $(ZLIBBUILD)/.configured $(SQLITEBUILD)/libsqlite3.la $(BZIP2BUILD)/libbz2.a
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cp config.site $(BUILD)/
( \
cd $(BUILD); \
CONFIG_SITE=./config.site READELF=true emconfigure \
./configure \
CFLAGS="${PYTHON_CFLAGS}" \
CPPFLAGS="-I$(SQLITEBUILD) -I$(BZIP2BUILD) -I$(ZLIBBUILD)" \
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--without-pymalloc \
--disable-shared \
--disable-ipv6 \
--without-gcc \
--host=wasm32-unknown-emscripten\
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--build=$(shell $(BUILD)/config.guess) \
--prefix=$(INSTALL) ; \
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)
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$(BUILD)/$(LIB): $(BUILD)/Makefile Setup.local
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cp Setup.local $(BUILD)/Modules/
cat pyconfig.undefs.h >> $(BUILD)/pyconfig.h
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( \
cd $(BUILD); \
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emmake make CROSS_COMPILE=yes $(LIB) -j $${PYODIDE_JOBS:-3} \
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)
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touch $(BUILD)/$(LIB)