upstream/mercurial-mirror Files · contrib/Makefile.python

tracked-key: remove the dual write and rename to tracked-hint...

tracked-key: remove the dual write and rename to tracked-hint The dual-write approach was mostly useless. As explained in the previous version of the help, the key had to be read twice before we could cache a value. However this "read twice" limitation actually also apply to any usage of the key. If some operation wants to rely of the "same value == same tracked set" property it would need to read the value before, and after running that operation (or at least, after, in all cases). So it cannot be sure the operation it did is "valid" until checking the key after the operation. As a resultat such operation can only be read-only or rollbackable. This reduce the utility of the "same value == same tracked set" a lot. So it seems simpler to drop the double write and to update the documentation to highlight that this file does not garantee race-free operation. As a result the "key" is demoted to a "hint". Documentation is updated accordingly. Differential Revision: https://phab.mercurial-scm.org/D12201

Antonio Muci - - Load All Authors

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      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

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				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