From: Maxime Ripard Date: Fri, 10 Dec 2010 22:05:39 +0000 (+0100) Subject: python: Port the python2.4 patches to 2.7 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d82df10e90ee9457ea0baba2d6a766149d4b7c38;p=buildroot.git python: Port the python2.4 patches to 2.7 Signed-off-by: Maxime Ripard --- diff --git a/package/python/python-2.4-001-cross-compile.patch b/package/python/python-2.4-001-cross-compile.patch deleted file mode 100644 index 96e52a6ede..0000000000 --- a/package/python/python-2.4-001-cross-compile.patch +++ /dev/null @@ -1,106 +0,0 @@ -diff -rduNp Python-2.4.2.orig/Makefile.pre.in Python-2.4.2/Makefile.pre.in ---- Python-2.4.2.orig/Makefile.pre.in 2005-03-29 01:23:01.000000000 +0200 -+++ Python-2.4.2/Makefile.pre.in 2007-01-22 19:37:08.000000000 +0100 -@@ -162,6 +162,7 @@ UNICODE_OBJS= @UNICODE_OBJS@ - - PYTHON= python$(EXE) - BUILDPYTHON= python$(BUILDEXE) -+HOSTPYTHON= $(BUILDPYTHON) - - # === Definitions added by makesetup === - -@@ -188,7 +189,7 @@ GRAMMAR_INPUT= $(srcdir)/Grammar/Grammar - ########################################################################## - # Parser - PGEN= Parser/pgen$(EXE) -- -+HOSTPGEN= $(PGEN)$(EXE) - POBJS= \ - Parser/acceler.o \ - Parser/grammar1.o \ -@@ -320,8 +321,8 @@ platform: $(BUILDPYTHON) - # Build the shared modules - sharedmods: $(BUILDPYTHON) - case $$MAKEFLAGS in \ -- *-s*) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' ./$(BUILDPYTHON) -E $(srcdir)/setup.py -q build;; \ -- *) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' ./$(BUILDPYTHON) -E $(srcdir)/setup.py build;; \ -+ *-s*) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' $(HOSTPYTHON) -E $(srcdir)/setup.py -q build;; \ -+ *) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' OPT='$(OPT)' $(HOSTPYTHON) -E $(srcdir)/setup.py build;; \ - esac - - # buildno should really depend on something like LIBRARY_SRC -@@ -442,7 +443,7 @@ Modules/ccpython.o: $(srcdir)/Modules/cc - - - $(GRAMMAR_H) $(GRAMMAR_C): $(PGEN) $(GRAMMAR_INPUT) -- -$(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C) -+ -$(HOSTPGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C) - - $(PGEN): $(PGENOBJS) - $(CC) $(OPT) $(LDFLAGS) $(PGENOBJS) $(LIBS) -o $(PGEN) -@@ -719,19 +720,19 @@ libinstall: $(BUILDPYTHON) $(srcdir)/Lib - done - $(INSTALL_DATA) $(srcdir)/LICENSE $(DESTDIR)$(LIBDEST)/LICENSE.txt - PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ -- ./$(BUILDPYTHON) -Wi -tt $(DESTDIR)$(LIBDEST)/compileall.py \ -+ $(HOSTPYTHON) -Wi -tt $(DESTDIR)$(LIBDEST)/compileall.py \ - -d $(LIBDEST) -f \ - -x 'badsyntax|site-packages' $(DESTDIR)$(LIBDEST) - PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ -- ./$(BUILDPYTHON) -Wi -tt -O $(DESTDIR)$(LIBDEST)/compileall.py \ -+ $(HOSTPYTHON) -Wi -tt -O $(DESTDIR)$(LIBDEST)/compileall.py \ - -d $(LIBDEST) -f \ - -x 'badsyntax|site-packages' $(DESTDIR)$(LIBDEST) - -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ -- ./$(BUILDPYTHON) -Wi -t $(DESTDIR)$(LIBDEST)/compileall.py \ -+ $(HOSTPYTHON) -Wi -t $(DESTDIR)$(LIBDEST)/compileall.py \ - -d $(LIBDEST)/site-packages -f \ - -x badsyntax $(DESTDIR)$(LIBDEST)/site-packages - -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ -- ./$(BUILDPYTHON) -Wi -t -O $(DESTDIR)$(LIBDEST)/compileall.py \ -+ $(HOSTPYTHON) -Wi -t -O $(DESTDIR)$(LIBDEST)/compileall.py \ - -d $(LIBDEST)/site-packages -f \ - -x badsyntax $(DESTDIR)$(LIBDEST)/site-packages - -@@ -826,7 +827,7 @@ libainstall: all - # Install the dynamically loadable modules - # This goes into $(exec_prefix) - sharedinstall: -- $(RUNSHARED) ./$(BUILDPYTHON) -E $(srcdir)/setup.py install \ -+ $(RUNSHARED) $(HOSTPYTHON) -E $(srcdir)/setup.py install \ - --prefix=$(prefix) \ - --install-scripts=$(BINDIR) \ - --install-platlib=$(DESTSHARED) \ -diff -rduNp Python-2.4.2.orig/setup.py Python-2.4.2/setup.py ---- Python-2.4.2.orig/setup.py 2005-03-09 23:27:24.000000000 +0100 -+++ Python-2.4.2/setup.py 2007-01-22 19:37:08.000000000 +0100 -@@ -204,6 +204,7 @@ class PyBuildExt(build_ext): - try: - imp.load_dynamic(ext.name, ext_filename) - except ImportError, why: -+ return - self.announce('*** WARNING: renaming "%s" since importing it' - ' failed: %s' % (ext.name, why), level=3) - assert not self.inplace -@@ -239,8 +240,6 @@ class PyBuildExt(build_ext): - - def detect_modules(self): - # Ensure that /usr/local is always used -- add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib') -- add_dir_to_list(self.compiler.include_dirs, '/usr/local/include') - - # Add paths to popular package managers on OS X/darwin - if sys.platform == "darwin": -@@ -251,12 +250,6 @@ class PyBuildExt(build_ext): - add_dir_to_list(self.compiler.library_dirs, '/opt/local/lib') - add_dir_to_list(self.compiler.include_dirs, '/opt/local/include') - -- if os.path.normpath(sys.prefix) != '/usr': -- add_dir_to_list(self.compiler.library_dirs, -- sysconfig.get_config_var("LIBDIR")) -- add_dir_to_list(self.compiler.include_dirs, -- sysconfig.get_config_var("INCLUDEDIR")) -- - try: - have_unicode = unicode - except NameError: diff --git a/package/python/python-2.4-002-cross-compile.patch b/package/python/python-2.4-002-cross-compile.patch deleted file mode 100644 index 207335a5e3..0000000000 --- a/package/python/python-2.4-002-cross-compile.patch +++ /dev/null @@ -1,36 +0,0 @@ ---- Python-2.4.2-001/setup.py 2007-01-23 16:18:37.000000000 +0100 -+++ Python-2.4.2/setup.py 2007-01-23 16:26:43.000000000 +0100 -@@ -239,7 +239,18 @@ - return sys.platform - - def detect_modules(self): -- # Ensure that /usr/local is always used -+ try: -+ modules_include_dirs = os.environ["PYTHON_MODULES_INCLUDE"].split() -+ except KeyError: -+ modules_include_dirs = ['/usr/include'] -+ try: -+ modules_lib_dirs = os.environ["PYTHON_MODULES_LIB"].split() -+ except KeyError: -+ modules_lib_dirs = ['/usr/lib'] -+ for dir in modules_include_dirs: -+ add_dir_to_list(self.compiler.include_dirs, dir) -+ for dir in modules_lib_dirs: -+ add_dir_to_list(self.compiler.library_dirs, dir) - - # Add paths to popular package managers on OS X/darwin - if sys.platform == "darwin": -@@ -258,11 +269,8 @@ - # lib_dirs and inc_dirs are used to search for files; - # if a file is found in one of those directories, it can - # be assumed that no additional -I,-L directives are needed. -- lib_dirs = self.compiler.library_dirs + [ -- '/lib64', '/usr/lib64', -- '/lib', '/usr/lib', -- ] -- inc_dirs = self.compiler.include_dirs + ['/usr/include'] -+ lib_dirs = self.compiler.library_dirs -+ inc_dirs = self.compiler.include_dirs - exts = [] - - platform = self.get_platform() diff --git a/package/python/python-2.4-010-disable_modules_and_ssl.patch b/package/python/python-2.4-010-disable_modules_and_ssl.patch deleted file mode 100644 index a690eae38d..0000000000 --- a/package/python/python-2.4-010-disable_modules_and_ssl.patch +++ /dev/null @@ -1,37 +0,0 @@ -diff -rduNp Python-2.4.2-002/setup.py Python-2.4.2/setup.py ---- Python-2.4.2-002/setup.py 2007-01-22 19:41:47.000000000 +0100 -+++ Python-2.4.2/setup.py 2007-01-22 19:47:25.000000000 +0100 -@@ -15,7 +15,14 @@ from distutils.command.install import in - from distutils.command.install_lib import install_lib - - # This global variable is used to hold the list of modules to be disabled. --disabled_module_list = [] -+try: -+ disabled_module_list = os.environ["PYTHON_DISABLE_MODULES"].split() -+except KeyError: -+ disabled_module_list = [] -+try: -+ disable_ssl = os.environ["PYTHON_DISABLE_SSL"] -+except KeyError: -+ disable_ssl = 0 - - def add_dir_to_list(dirlist, dir): - """Add the directory 'dir' to the list 'dirlist' (at the front) if -@@ -247,6 +254,7 @@ class PyBuildExt(build_ext): - return sys.platform - - def detect_modules(self): -+ global disable_ssl - try: - modules_include_dirs = os.environ["PYTHON_MODULES_INCLUDE"].split() - except KeyError: -@@ -468,7 +476,8 @@ class PyBuildExt(build_ext): - ] ) - - if (ssl_incs is not None and -- ssl_libs is not None): -+ ssl_libs is not None and -+ not disable_ssl): - exts.append( Extension('_ssl', ['_ssl.c'], - include_dirs = ssl_incs, - library_dirs = ssl_libs, diff --git a/package/python/python-2.4-020-gentoo_py_dontcompile.patch b/package/python/python-2.4-020-gentoo_py_dontcompile.patch deleted file mode 100644 index 6e634bef4c..0000000000 --- a/package/python/python-2.4-020-gentoo_py_dontcompile.patch +++ /dev/null @@ -1,18 +0,0 @@ -diff -rduNp Python-2.4.2-010/Python/import.c Python-2.4.2/Python/import.c ---- Python-2.4.2-010/Python/import.c 2005-09-14 20:15:03.000000000 +0200 -+++ Python-2.4.2/Python/import.c 2007-01-22 19:49:18.000000000 +0100 -@@ -822,8 +822,12 @@ static void - write_compiled_module(PyCodeObject *co, char *cpathname, long mtime) - { - FILE *fp; -- -- fp = open_exclusive(cpathname); -+ char *py_dontcompile = getenv("PYTHON_DONTCOMPILE"); -+ -+ if (!py_dontcompile) -+ fp = open_exclusive(cpathname); -+ else -+ fp = NULL; - if (fp == NULL) { - if (Py_VerboseFlag) - PySys_WriteStderr( diff --git a/package/python/python-2.7-001-cross-compile.patch b/package/python/python-2.7-001-cross-compile.patch new file mode 100644 index 0000000000..1ee97a8f3b --- /dev/null +++ b/package/python/python-2.7-001-cross-compile.patch @@ -0,0 +1,114 @@ +Add cross-compilation support in the python Makefile and setup.py since +python has no such support. + +The main point here is to first build a python interpreter to run on the +host, and then use it to compile the target python. + +We also remove some error-generating code that is irrelevant in our +situation, such as checking if we can import a cross-compiled module. + +Patch ported to python2.7 by Maxime Ripard + +diff -rduNp Python-2.7.orig/Makefile.pre.in Python-2.7/Makefile.pre.in +--- Python-2.7.orig/Makefile.pre.in 2010-04-12 02:10:46.000000000 +0200 ++++ Python-2.7/Makefile.pre.in 2010-09-21 16:46:07.000000000 +0200 +@@ -404,8 +404,8 @@ platform: $(BUILDPYTHON) + # Build the shared modules + sharedmods: $(BUILDPYTHON) + @case $$MAKEFLAGS in \ +- *s*) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' LDFLAGS='$(LDFLAGS)' OPT='$(OPT)' ./$(BUILDPYTHON) -E $(srcdir)/setup.py -q build;; \ +- *) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' LDFLAGS='$(LDFLAGS)' OPT='$(OPT)' ./$(BUILDPYTHON) -E $(srcdir)/setup.py build;; \ ++ *s*) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' LDFLAGS='$(LDFLAGS)' OPT='$(OPT)' $(HOSTPYTHON) -E $(srcdir)/setup.py -q build;; \ ++ *) $(RUNSHARED) CC='$(CC)' LDSHARED='$(BLDSHARED)' LDFLAGS='$(LDFLAGS)' OPT='$(OPT)' $(HOSTPYTHON) -E $(srcdir)/setup.py build;; \ + esac + + # Build static library +@@ -538,7 +538,7 @@ Modules/python.o: $(srcdir)/Modules/pyth + + $(GRAMMAR_H) $(GRAMMAR_C): $(PGEN) $(GRAMMAR_INPUT) + -@$(INSTALL) -d Include +- -$(PGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C) ++ -$(HOSTPGEN) $(GRAMMAR_INPUT) $(GRAMMAR_H) $(GRAMMAR_C) + + $(PGEN): $(PGENOBJS) + $(CC) $(OPT) $(LDFLAGS) $(PGENOBJS) $(LIBS) -o $(PGEN) +@@ -920,25 +920,25 @@ libinstall: build_all $(srcdir)/Lib/$(PL + done + $(INSTALL_DATA) $(srcdir)/LICENSE $(DESTDIR)$(LIBDEST)/LICENSE.txt + PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ +- ./$(BUILDPYTHON) -Wi -tt $(DESTDIR)$(LIBDEST)/compileall.py \ ++ $(HOSTPYTHON) -Wi -tt $(DESTDIR)$(LIBDEST)/compileall.py \ + -d $(LIBDEST) -f \ + -x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \ + $(DESTDIR)$(LIBDEST) + PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ +- ./$(BUILDPYTHON) -Wi -tt -O $(DESTDIR)$(LIBDEST)/compileall.py \ ++ $(HOSTPYTHON) -Wi -tt -O $(DESTDIR)$(LIBDEST)/compileall.py \ + -d $(LIBDEST) -f \ + -x 'bad_coding|badsyntax|site-packages|lib2to3/tests/data' \ + $(DESTDIR)$(LIBDEST) + -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ +- ./$(BUILDPYTHON) -Wi -t $(DESTDIR)$(LIBDEST)/compileall.py \ ++ $(HOSTPYTHON) -Wi -t $(DESTDIR)$(LIBDEST)/compileall.py \ + -d $(LIBDEST)/site-packages -f \ + -x badsyntax $(DESTDIR)$(LIBDEST)/site-packages + -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ +- ./$(BUILDPYTHON) -Wi -t -O $(DESTDIR)$(LIBDEST)/compileall.py \ ++ $(HOSTPYTHON) -Wi -t -O $(DESTDIR)$(LIBDEST)/compileall.py \ + -d $(LIBDEST)/site-packages -f \ + -x badsyntax $(DESTDIR)$(LIBDEST)/site-packages + -PYTHONPATH=$(DESTDIR)$(LIBDEST) $(RUNSHARED) \ +- ./$(BUILDPYTHON) -Wi -t -c "import lib2to3.pygram, lib2to3.patcomp;lib2to3.patcomp.PatternCompiler()" ++ $(HOSTPYTHON) -Wi -t -c "import lib2to3.pygram, lib2to3.patcomp;lib2to3.patcomp.PatternCompiler()" + + # Create the PLATDIR source directory, if one wasn't distributed.. + $(srcdir)/Lib/$(PLATDIR): +@@ -1043,7 +1043,7 @@ libainstall: all python-config + # Install the dynamically loadable modules + # This goes into $(exec_prefix) + sharedinstall: +- $(RUNSHARED) ./$(BUILDPYTHON) -E $(srcdir)/setup.py install \ ++ $(RUNSHARED) $(HOSTPYTHON) -E $(srcdir)/setup.py install \ + --prefix=$(prefix) \ + --install-scripts=$(BINDIR) \ + --install-platlib=$(DESTSHARED) \ +diff -rduNp Python-2.7.orig/setup.py Python-2.7/setup.py +--- Python-2.7.orig/setup.py 2010-06-27 14:36:16.000000000 +0200 ++++ Python-2.7/setup.py 2010-09-21 16:59:59.000000000 +0200 +@@ -310,9 +310,9 @@ class PyBuildExt(build_ext): + try: + imp.load_dynamic(ext.name, ext_filename) + except ImportError, why: +- self.failed.append(ext.name) +- self.announce('*** WARNING: renaming "%s" since importing it' +- ' failed: %s' % (ext.name, why), level=3) ++ self.announce('*** WARNING: Importing "%s" failed, probably ' ++ 'because of cross-compilation' % ext.name, level=3) ++ return + assert not self.inplace + basename, tail = os.path.splitext(ext_filename) + newname = basename + "_failed" + tail +@@ -346,10 +346,6 @@ class PyBuildExt(build_ext): + return sys.platform + + def detect_modules(self): +- # Ensure that /usr/local is always used +- add_dir_to_list(self.compiler.library_dirs, '/usr/local/lib') +- add_dir_to_list(self.compiler.include_dirs, '/usr/local/include') +- + # Add paths specified in the environment variables LDFLAGS and + # CPPFLAGS for header and library files. + # We must get the values from the Makefile and not the environment +@@ -384,12 +380,6 @@ class PyBuildExt(build_ext): + for directory in reversed(options.dirs): + add_dir_to_list(dir_list, directory) + +- if os.path.normpath(sys.prefix) != '/usr': +- add_dir_to_list(self.compiler.library_dirs, +- sysconfig.get_config_var("LIBDIR")) +- add_dir_to_list(self.compiler.include_dirs, +- sysconfig.get_config_var("INCLUDEDIR")) +- + try: + have_unicode = unicode + except NameError: diff --git a/package/python/python-2.7-002-cross-compile.patch b/package/python/python-2.7-002-cross-compile.patch new file mode 100644 index 0000000000..598e5f5201 --- /dev/null +++ b/package/python/python-2.7-002-cross-compile.patch @@ -0,0 +1,47 @@ +Second patch to bring cross-compilation support to python build-system. + +Allow the libraries detection routine to look for headers and libs in +other directories than /usr/include or /usr/lib through the env variables +PYTHON_MODULES_INCLUDE and PYTHON_MODULES_LIB. + +We can then use it to look for libraries in the buildroot staging directory. + + +Patch ported to python2.7 by Maxime Ripard + +diff -rduNp Python-2.7.orig/setup.py Python-2.7/setup.py +--- Python-2.7.orig/setup.py 2010-09-21 17:15:31.000000000 +0200 ++++ Python-2.7/setup.py 2010-09-21 17:20:46.000000000 +0200 +@@ -346,6 +346,18 @@ class PyBuildExt(build_ext): + return sys.platform + + def detect_modules(self): ++ try: ++ modules_include_dirs = os.environ["PYTHON_MODULES_INCLUDE"].split() ++ except KeyError: ++ modules_include_dirs = ['/usr/include'] ++ try: ++ modules_lib_dirs = os.environ["PYTHON_MODULES_LIB"].split() ++ except KeyError: ++ modules_include_dirs = ['/usr/lib'] ++ for dir in modules_include_dirs: ++ add_dir_to_list(self.compiler.include_dirs, dir) ++ for dir in modules_lib_dirs: ++ add_dir_to_list(self.compiler.library_dirs, dir) + # Add paths specified in the environment variables LDFLAGS and + # CPPFLAGS for header and library files. + # We must get the values from the Makefile and not the environment +@@ -388,11 +400,8 @@ class PyBuildExt(build_ext): + # lib_dirs and inc_dirs are used to search for files; + # if a file is found in one of those directories, it can + # be assumed that no additional -I,-L directives are needed. +- lib_dirs = self.compiler.library_dirs + [ +- '/lib64', '/usr/lib64', +- '/lib', '/usr/lib', +- ] +- inc_dirs = self.compiler.include_dirs + ['/usr/include'] ++ lib_dirs = self.compiler.library_dirs ++ inc_dirs = self.compiler.include_dirs + exts = [] + missing = [] + diff --git a/package/python/python-2.7-010-disable_modules_and_ssl.patch b/package/python/python-2.7-010-disable_modules_and_ssl.patch new file mode 100644 index 0000000000..492e3727e1 --- /dev/null +++ b/package/python/python-2.7-010-disable_modules_and_ssl.patch @@ -0,0 +1,49 @@ +Support some customisation on python compilation. + +With this patch, we can now remove some modules introducing external +dependencies from the compilation, thus removing these irrelevant in most +cases dependencies (ie. openssl, ncurses, etc). + +This modules can be removed by listing them in the PYTHON_DISABLE_MODULES +environment variable. + +Patch ported to python2.7 by Maxime Ripard + +diff -rduNp Python-2.7.orig/setup.py Python-2.7/setup.py +--- Python-2.7.orig/setup.py 2010-09-21 17:31:52.000000000 +0200 ++++ Python-2.7/setup.py 2010-09-21 17:35:20.000000000 +0200 +@@ -21,7 +21,15 @@ from distutils.spawn import find_executa + COMPILED_WITH_PYDEBUG = hasattr(sys, 'gettotalrefcount') + + # This global variable is used to hold the list of modules to be disabled. +-disabled_module_list = [] ++try: ++ disabled_module_list = os.environ["PYTHON_DISABLE_MODULES"].split() ++except KeyError: ++ disabled_module_list = list() ++ ++try: ++ disable_ssl = os.environ["PYTHON_DISABLE_SSL"] ++except KeyError: ++ disable_ssl = 0 + + def add_dir_to_list(dirlist, dir): + """Add the directory 'dir' to the list 'dirlist' (at the front) if +@@ -346,6 +354,7 @@ class PyBuildExt(build_ext): + return sys.platform + + def detect_modules(self): ++ global disable_ssl + try: + modules_include_dirs = os.environ["PYTHON_MODULES_INCLUDE"].split() + except KeyError: +@@ -685,7 +694,8 @@ class PyBuildExt(build_ext): + ] ) + + if (ssl_incs is not None and +- ssl_libs is not None): ++ ssl_libs is not None and ++ not disable_ssl): + exts.append( Extension('_ssl', ['_ssl.c'], + include_dirs = ssl_incs, + library_dirs = ssl_libs, diff --git a/package/python/python-2.7-020-gentoo_py_dontcompile.patch b/package/python/python-2.7-020-gentoo_py_dontcompile.patch new file mode 100644 index 0000000000..276f0e6f43 --- /dev/null +++ b/package/python/python-2.7-020-gentoo_py_dontcompile.patch @@ -0,0 +1,27 @@ +This patch purpose is to allow not to save the generated python bytecode in +a file for later use through the PYTHON_DONTCOMPILE environment variable. + +I do not see the use of it, because you can choose if you want but it seems +somewhat related to gentoo. + +Maybe useful when the generated rootfs is mounted on read-only on the target. + +Patch ported to python2.7 by Maxime Ripard + +diff -rduNp Python-2.7.orig/Python/import.c Python-2.7/Python/import.c +--- Python-2.7.orig/Python/import.c 2010-09-30 12:05:53.000000000 +0200 ++++ Python-2.7/Python/import.c 2010-09-30 12:20:38.000000000 +0200 +@@ -886,7 +886,12 @@ write_compiled_module(PyCodeObject *co, + mode_t mode = srcstat->st_mode & ~S_IXUSR & ~S_IXGRP & ~S_IXOTH; + #endif + +- fp = open_exclusive(cpathname, mode); ++ char *py_dontcompile = getenv("PYTHON_DONTCOMPILE"); ++ ++ if (!py_dontcompile) ++ fp = open_exclusive(cpathname, mode); ++ else ++ fp = NULL; + if (fp == NULL) { + if (Py_VerboseFlag) + PySys_WriteStderr(