109 lines
3.8 KiB
Diff
109 lines
3.8 KiB
Diff
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From 8e02cebdac536dfb6748da2c50656a26f70d9da7 Mon Sep 17 00:00:00 2001
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From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Date: Wed, 22 Feb 2017 16:33:22 -0800
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Subject: [PATCH] Add infrastructure to disable the build of certain extensions
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Some of the extensions part of the Python core have dependencies on
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external libraries (sqlite, tk, etc.) or are relatively big and not
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necessarly always useful (CJK codecs for example). By extensions, we
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mean part of Python modules that are written in C and therefore
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compiled to binary code.
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Therefore, we introduce a small infrastructure that allows to disable
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some of those extensions. This can be done inside the configure.ac by
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adding values to the DISABLED_EXTENSIONS variable (which is a
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word-separated list of extensions).
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The implementation works as follow :
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* configure.ac defines a DISABLED_EXTENSIONS variable, which is
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substituted (so that when Makefile.pre is generated from
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Makefile.pre.in, the value of the variable is substituted). For
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now, this DISABLED_EXTENSIONS variable is empty, later patches will
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use it.
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* Makefile.pre.in passes the DISABLED_EXTENSIONS value down to the
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variables passed in the environment when calling the setup.py
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script that actually builds and installs those extensions.
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* setup.py is modified so that the existing "disabled_module_list" is
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filled with those pre-disabled extensions listed in
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DISABLED_EXTENSIONS.
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Patch ported to python2.7 by Maxime Ripard <ripard@archos.com>, and
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then extended by Thomas Petazzoni
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<thomas.petazzoni@free-electrons.com>.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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[ Andrey Smirnov: ported to Python 3.6 ]
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Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
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---
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Makefile.pre.in | 6 +++++-
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configure.ac | 2 ++
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setup.py | 5 ++++-
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3 files changed, 11 insertions(+), 2 deletions(-)
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diff --git a/Makefile.pre.in b/Makefile.pre.in
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index 2957c8e5a1..c1cfb96767 100644
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--- a/Makefile.pre.in
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+++ b/Makefile.pre.in
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@@ -239,6 +239,8 @@ FILEMODE= 644
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# configure script arguments
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CONFIG_ARGS= @CONFIG_ARGS@
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+# disabled extensions
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+DISABLED_EXTENSIONS= @DISABLED_EXTENSIONS@
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# Subdirectories with code
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SRCDIRS= @SRCDIRS@
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@@ -739,6 +741,7 @@ sharedmods: $(PYTHON_FOR_BUILD_DEPS) pybuilddir.txt @LIBMPDEC_INTERNAL@ @LIBEXPA
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*) quiet="";; \
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esac; \
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echo "$(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' \
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+ DISABLED_EXTENSIONS="$(DISABLED_EXTENSIONS)" \
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$(PYTHON_FOR_BUILD) $(srcdir)/setup.py $$quiet build"; \
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$(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' \
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$(PYTHON_FOR_BUILD) $(srcdir)/setup.py $$quiet build
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@@ -2228,7 +2231,8 @@ libainstall: all python-config
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# Install the dynamically loadable modules
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# This goes into $(exec_prefix)
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sharedinstall: all
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- $(RUNSHARED) $(PYTHON_FOR_BUILD) $(srcdir)/setup.py install \
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+ $(RUNSHARED) DISABLED_EXTENSIONS="$(DISABLED_EXTENSIONS)" \
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+ $(PYTHON_FOR_BUILD) $(srcdir)/setup.py install \
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--prefix=$(prefix) \
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--install-scripts=$(BINDIR) \
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--install-platlib=$(DESTSHARED) \
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diff --git a/configure.ac b/configure.ac
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index 830885fcb3..5a6a1fe608 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -3562,6 +3562,8 @@ LIBS="$withval $LIBS"
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],
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[AC_MSG_RESULT(no)])
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+AC_SUBST(DISABLED_EXTENSIONS)
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+
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# Check for use of the system expat library
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AC_MSG_CHECKING(for --with-system-expat)
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AC_ARG_WITH(system_expat,
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diff --git a/setup.py b/setup.py
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index 15d0d4576a..e496ee34c2 100644
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--- a/setup.py
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+++ b/setup.py
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@@ -56,7 +56,10 @@
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# This global variable is used to hold the list of modules to be disabled.
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-DISABLED_MODULE_LIST = []
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+try:
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+ DISABLED_MODULE_LIST = sysconfig.get_config_var("DISABLED_EXTENSIONS").split(" ")
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+except KeyError:
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+ DISABLED_MODULE_LIST = list()
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# --list-module-names option used by Tools/scripts/generate_module_names.py
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LIST_MODULE_NAMES = False
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--
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2.34.1
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