PYTHONVER=2.7.16

PYTHONNAME=python-

PREFIX=$(HOME)/bin/prefix-$(PYTHONNAME)$(PYTHONVER)

SYMLINKDIR=$(HOME)/bin

help:

	@echo

	@echo 'Make a custom installation of a Python version'

	@echo

	@echo 'Common make parameters:'

	@echo '  PYTHONVER=...    [$(PYTHONVER)]'

	@echo '  PREFIX=...       [$(PREFIX)]'

	@echo '  SYMLINKDIR=...   [$(SYMLINKDIR) creating $(PYTHONNAME)$(PYTHONVER)]'

	@echo

	@echo 'Common make targets:'

	@echo '  python    - install Python $$PYTHONVER in $$PREFIX'

	@echo '  symlink   - create a $$SYMLINKDIR/$(PYTHONNAME)$$PYTHONVER symlink'

	@echo

	@echo 'Example: create a temporary Python installation:'

	@echo '  $$ make -f Makefile.python python PYTHONVER=${PYTHONVER} PREFIX=/tmp/p27'

	@echo '  $$ /tmp/p27/bin/python -V'

	@echo '  Python 2.7'

	@echo

	@echo 'Some external libraries are required for building Python: zlib bzip2 openssl.'

	@echo 'Make sure their development packages are installed systemwide.'

# fedora: yum install zlib-devel bzip2-devel openssl-devel

# debian: apt-get install zlib1g-dev libbz2-dev libssl-dev

	@echo

	@echo 'To build a nice collection of interesting Python versions:'

	@echo '  $$ for v in 2.{6{,.1,.2,.9},7{,.8,.10}}; do'

	@echo '    make -f Makefile.python symlink PYTHONVER=$$v || break; done'

	@echo 'To run a Mercurial test on all these Python versions:'

	@echo '  $$ for py in `cd ~/bin && ls $(PYTHONNAME)2.*`; do'

	@echo '    echo $$py; $$py run-tests.py test-http.t; echo; done'

	@echo

export LANGUAGE=C

export LC_ALL=C

python: $(PREFIX)/bin/python docutils

	printf 'import sys, zlib, bz2, docutils, ssl' | $(PREFIX)/bin/python

PYTHON_SRCDIR=Python-$(PYTHONVER)

PYTHON_SRCFILE=$(PYTHON_SRCDIR).tgz

$(PREFIX)/bin/python:

	[ -f $(PYTHON_SRCFILE) ] || wget http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) || curl -OL http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) || [ -f $(PYTHON_SRCFILE) ]

	rm -rf $(PYTHON_SRCDIR)

	tar xf $(PYTHON_SRCFILE)

	# Debian/Ubuntu disables SSLv2,3 the hard way, disable it on old Pythons too

	-sed -i 's,self.*SSLv[23]_method(),0;//\0,g' $(PYTHON_SRCDIR)/Modules/_ssl.c

	# Find multiarch system libraries on Ubuntu and disable fortify error when setting argv

	LDFLAGS="-L/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH`"; \

	BASECFLAGS=-U_FORTIFY_SOURCE; \

	export LDFLAGS BASECFLAGS; \

	cd $(PYTHON_SRCDIR) && ./configure --prefix=$(PREFIX) && make all SVNVERSION=pwd && make install

	printf 'import sys, zlib, bz2, ssl' | $(PREFIX)/bin/python

	rm -rf $(PYTHON_SRCDIR)

DOCUTILSVER=0.12

DOCUTILS_SRCDIR=docutils-$(DOCUTILSVER)

DOCUTILS_SRCFILE=$(DOCUTILS_SRCDIR).tar.gz

docutils: $(PREFIX)/bin/python

	@$(PREFIX)/bin/python -c 'import docutils' || ( set -ex; \

	[ -f $(DOCUTILS_SRCFILE) ] || wget http://downloads.sourceforge.net/project/docutils/docutils/$(DOCUTILSVER)/$(DOCUTILS_SRCFILE) || [ -f $(DOCUTILS_SRCFILE) ]; \

	rm -rf $(DOCUTILS_SRCDIR); \

	tar xf $(DOCUTILS_SRCFILE); \

	cd $(DOCUTILS_SRCDIR) && $(PREFIX)/bin/python setup.py install --prefix=$(PREFIX); \

	$(PREFIX)/bin/python -c 'import docutils'; \

	rm -rf $(DOCUTILS_SRCDIR); )

symlink: python $(SYMLINKDIR)

	ln -sf $(PREFIX)/bin/python $(SYMLINKDIR)/$(PYTHONNAME)$(PYTHONVER)

.PHONY: help python docutils symlink