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authorMarc-André Lemburg <mal@egenix.com>2001-01-26 18:00:48 (GMT)
committerMarc-André Lemburg <mal@egenix.com>2001-01-26 18:00:48 (GMT)
commit49c994239f81b3362033620762a82b84c9247c55 (patch)
tree403746dcbf23c3869611b7e0953fd27201b790bd /Lib/distutils/command
parentd30e587e00d0c01c87bfbbdb5c694131ffd0ea70 (diff)
downloadcpython-49c994239f81b3362033620762a82b84c9247c55.zip
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Added an execution layer to be able to customize per-extension
building.
Diffstat (limited to 'Lib/distutils/command')
-rw-r--r--Lib/distutils/command/build_ext.py183
1 files changed, 92 insertions, 91 deletions
diff --git a/Lib/distutils/command/build_ext.py b/Lib/distutils/command/build_ext.py
index 2876c35..8f59523 100644
--- a/Lib/distutils/command/build_ext.py
+++ b/Lib/distutils/command/build_ext.py
@@ -356,104 +356,105 @@ class build_ext (Command):
# get_outputs ()
-
- def build_extensions (self):
+ def build_extensions(self):
# First, sanity-check the 'extensions' list
self.check_extensions_list(self.extensions)
for ext in self.extensions:
- sources = ext.sources
- if sources is None or type(sources) not in (ListType, TupleType):
- raise DistutilsSetupError, \
- ("in 'ext_modules' option (extension '%s'), " +
- "'sources' must be present and must be " +
- "a list of source filenames") % ext.name
- sources = list(sources)
+ self.build_extension(ext)
- fullname = self.get_ext_fullname(ext.name)
- if self.inplace:
- # ignore build-lib -- put the compiled extension into
- # the source tree along with pure Python modules
-
- modpath = string.split(fullname, '.')
- package = string.join(modpath[0:-1], '.')
- base = modpath[-1]
-
- build_py = self.get_finalized_command('build_py')
- package_dir = build_py.get_package_dir(package)
- ext_filename = os.path.join(package_dir,
- self.get_ext_filename(base))
- else:
- ext_filename = os.path.join(self.build_lib,
- self.get_ext_filename(fullname))
+ def build_extension(self, ext):
- if not (self.force or newer_group(sources, ext_filename, 'newer')):
- self.announce("skipping '%s' extension (up-to-date)" %
- ext.name)
- continue # 'for' loop over all extensions
- else:
- self.announce("building '%s' extension" % ext.name)
-
- # First, scan the sources for SWIG definition files (.i), run
- # SWIG on 'em to create .c files, and modify the sources list
- # accordingly.
- sources = self.swig_sources(sources)
-
- # Next, compile the source code to object files.
-
- # XXX not honouring 'define_macros' or 'undef_macros' -- the
- # CCompiler API needs to change to accommodate this, and I
- # want to do one thing at a time!
-
- # Two possible sources for extra compiler arguments:
- # - 'extra_compile_args' in Extension object
- # - CFLAGS environment variable (not particularly
- # elegant, but people seem to expect it and I
- # guess it's useful)
- # The environment variable should take precedence, and
- # any sensible compiler will give precedence to later
- # command line args. Hence we combine them in order:
- extra_args = ext.extra_compile_args or []
-
- macros = ext.define_macros[:]
- for undef in ext.undef_macros:
- macros.append((undef,))
-
- # XXX and if we support CFLAGS, why not CC (compiler
- # executable), CPPFLAGS (pre-processor options), and LDFLAGS
- # (linker options) too?
- # XXX should we use shlex to properly parse CFLAGS?
-
- if os.environ.has_key('CFLAGS'):
- extra_args.extend(string.split(os.environ['CFLAGS']))
-
- objects = self.compiler.compile(sources,
- output_dir=self.build_temp,
- macros=macros,
- include_dirs=ext.include_dirs,
- debug=self.debug,
- extra_postargs=extra_args)
-
- # Now link the object files together into a "shared object" --
- # of course, first we have to figure out all the other things
- # that go into the mix.
- if ext.extra_objects:
- objects.extend(ext.extra_objects)
- extra_args = ext.extra_link_args or []
-
-
- self.compiler.link_shared_object(
- objects, ext_filename,
- libraries=self.get_libraries(ext),
- library_dirs=ext.library_dirs,
- runtime_library_dirs=ext.runtime_library_dirs,
- extra_postargs=extra_args,
- export_symbols=self.get_export_symbols(ext),
- debug=self.debug,
- build_temp=self.build_temp)
-
- # build_extensions ()
+ sources = ext.sources
+ if sources is None or type(sources) not in (ListType, TupleType):
+ raise DistutilsSetupError, \
+ ("in 'ext_modules' option (extension '%s'), " +
+ "'sources' must be present and must be " +
+ "a list of source filenames") % ext.name
+ sources = list(sources)
+
+ fullname = self.get_ext_fullname(ext.name)
+ if self.inplace:
+ # ignore build-lib -- put the compiled extension into
+ # the source tree along with pure Python modules
+
+ modpath = string.split(fullname, '.')
+ package = string.join(modpath[0:-1], '.')
+ base = modpath[-1]
+
+ build_py = self.get_finalized_command('build_py')
+ package_dir = build_py.get_package_dir(package)
+ ext_filename = os.path.join(package_dir,
+ self.get_ext_filename(base))
+ else:
+ ext_filename = os.path.join(self.build_lib,
+ self.get_ext_filename(fullname))
+
+ if not (self.force or newer_group(sources, ext_filename, 'newer')):
+ self.announce("skipping '%s' extension (up-to-date)" %
+ ext.name)
+ return
+ else:
+ self.announce("building '%s' extension" % ext.name)
+
+ # First, scan the sources for SWIG definition files (.i), run
+ # SWIG on 'em to create .c files, and modify the sources list
+ # accordingly.
+ sources = self.swig_sources(sources)
+
+ # Next, compile the source code to object files.
+
+ # XXX not honouring 'define_macros' or 'undef_macros' -- the
+ # CCompiler API needs to change to accommodate this, and I
+ # want to do one thing at a time!
+
+ # Two possible sources for extra compiler arguments:
+ # - 'extra_compile_args' in Extension object
+ # - CFLAGS environment variable (not particularly
+ # elegant, but people seem to expect it and I
+ # guess it's useful)
+ # The environment variable should take precedence, and
+ # any sensible compiler will give precedence to later
+ # command line args. Hence we combine them in order:
+ extra_args = ext.extra_compile_args or []
+
+ macros = ext.define_macros[:]
+ for undef in ext.undef_macros:
+ macros.append((undef,))
+
+ # XXX and if we support CFLAGS, why not CC (compiler
+ # executable), CPPFLAGS (pre-processor options), and LDFLAGS
+ # (linker options) too?
+ # XXX should we use shlex to properly parse CFLAGS?
+
+ if os.environ.has_key('CFLAGS'):
+ extra_args.extend(string.split(os.environ['CFLAGS']))
+
+ objects = self.compiler.compile(sources,
+ output_dir=self.build_temp,
+ macros=macros,
+ include_dirs=ext.include_dirs,
+ debug=self.debug,
+ extra_postargs=extra_args)
+
+ # Now link the object files together into a "shared object" --
+ # of course, first we have to figure out all the other things
+ # that go into the mix.
+ if ext.extra_objects:
+ objects.extend(ext.extra_objects)
+ extra_args = ext.extra_link_args or []
+
+
+ self.compiler.link_shared_object(
+ objects, ext_filename,
+ libraries=self.get_libraries(ext),
+ library_dirs=ext.library_dirs,
+ runtime_library_dirs=ext.runtime_library_dirs,
+ extra_postargs=extra_args,
+ export_symbols=self.get_export_symbols(ext),
+ debug=self.debug,
+ build_temp=self.build_temp)
def swig_sources (self, sources):