def __init__ (self,
verbose=0,
dry_run=0,
force=0):
UnixCCompiler.__init__ (self, verbose, dry_run, force)
(status, details) = check_config_h()
self.debug_print("Python's GCC status: %s (details: %s)" %
(status, details))
if status is not CONFIG_H_OK:
self.warn(
"Python's pyconfig.h doesn't seem to support your compiler. " +
("Reason: %s." % details) +
"Compiling may fail because of undefined preprocessor macros.")
gcc_version, ld_version, dllwrap_version = get_compiler_versions()
self.gcc_version, self.ld_version = gcc_version, ld_version
self.debug_print(self.compiler_type + ": gcc %s, ld %s\n" %
(self.gcc_version,
self.ld_version) )
# Hard-code GCC because that's what this is all about.
# XXX optimization, warnings etc. should be customizable.
self.set_executables(compiler='gcc -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall',
compiler_so='gcc -Zomf -Zmt -O3 -fomit-frame-pointer -mprobe -Wall',
linker_exe='gcc -Zomf -Zmt -Zcrtdll',
linker_so='gcc -Zomf -Zmt -Zcrtdll -Zdll')
# want the gcc library statically linked (so that we don't have
# to distribute a version dependent on the compiler we have)
self.dll_libraries=["gcc"]
def __init__(self, verbose=0, dry_run=0, force=0):
UnixCCompiler.__init__(self, verbose, dry_run, force)
status, details = check_config_h()
self.debug_print("Python's GCC status: %s (details: %s)" %
(status, details))
if status is not CONFIG_H_OK:
self.warn(
"Python's pyconfig.h doesn't seem to support your compiler. "
"Reason: %s. "
"Compiling may fail because of undefined preprocessor macros."
% details)
self.gcc_version, self.ld_version, self.dllwrap_version = \
get_compiler_versions()
self.debug_print(self.compiler_type + ": gcc %s, ld %s, dllwrap %s\n" %
(self.gcc_version,
self.ld_version,
self.dllwrap_version) )
# ld_version >= "2.10.90" and < "2.13" should also be able to use
# gcc -mdll instead of dllwrap
# Older dllwraps had own version numbers, newer ones use the
# same as the rest of binutils ( also ld )
# dllwrap 2.10.90 is buggy
if self.ld_version >= "2.10.90":
self.linker_dll = "gcc"
else:
self.linker_dll = "dllwrap"
# ld_version >= "2.13" support -shared so use it instead of
# -mdll -static
if self.ld_version >= "2.13":
shared_option = "-shared"
else:
shared_option = "-mdll -static"
# Hard-code GCC because that's what this is all about.
# XXX optimization, warnings etc. should be customizable.
self.set_executables(compiler='gcc -mcygwin -O -Wall',
compiler_so='gcc -mcygwin -mdll -O -Wall',
compiler_cxx='g++ -mcygwin -O -Wall',
linker_exe='gcc -mcygwin',
linker_so=('%s -mcygwin %s' %
(self.linker_dll, shared_option)))
# cygwin and mingw32 need different sets of libraries
if self.gcc_version == "2.91.57":
# cygwin shouldn't need msvcrt, but without the dlls will crash
# (gcc version 2.91.57) -- perhaps something about initialization
self.dll_libraries=["msvcrt"]
self.warn(
"Consider upgrading to a newer version of gcc")
else:
# Include the appropriate MSVC runtime library if Python was built
# with MSVC 7.0 or later.
self.dll_libraries = get_msvcr()
def link (self,
target_desc,
objects,
output_filename,
output_dir=None,
libraries=None,
library_dirs=None,
runtime_library_dirs=None,
export_symbols=None,
debug=0,
extra_preargs=None,
extra_postargs=None,
build_temp=None,
target_lang=None):
# use separate copies, so we can modify the lists
extra_preargs = copy.copy(extra_preargs or [])
libraries = copy.copy(libraries or [])
objects = copy.copy(objects or [])
# Additional libraries
libraries.extend(self.dll_libraries)
# handle export symbols by creating a def-file
# with executables this only works with gcc/ld as linker
if ((export_symbols is not None) and
(target_desc != self.EXECUTABLE)):
# (The linker doesn't do anything if output is up-to-date.
# So it would probably better to check if we really need this,
# but for this we had to insert some unchanged parts of
# UnixCCompiler, and this is not what we want.)
# we want to put some files in the same directory as the
# object files are, build_temp doesn't help much
# where are the object files
temp_dir = os.path.dirname(objects[0])
# name of dll to give the helper files the same base name
(dll_name, dll_extension) = os.path.splitext(
os.path.basename(output_filename))
# generate the filenames for these files
def_file = os.path.join(temp_dir, dll_name + ".def")
# Generate .def file
contents = [
"LIBRARY %s INITINSTANCE TERMINSTANCE" % \
os.path.splitext(os.path.basename(output_filename))[0],
"DATA MULTIPLE NONSHARED",
"EXPORTS"]
for sym in export_symbols:
contents.append(' "%s"' % sym)
self.execute(write_file, (def_file, contents),
"writing %s" % def_file)
# next add options for def-file and to creating import libraries
# for gcc/ld the def-file is specified as any other object files
objects.append(def_file)
#end: if ((export_symbols is not None) and
# (target_desc != self.EXECUTABLE or self.linker_dll == "gcc")):
# who wants symbols and a many times larger output file
# should explicitly switch the debug mode on
# otherwise we let dllwrap/ld strip the output file
# (On my machine: 10KB < stripped_file < ??100KB
# unstripped_file = stripped_file + XXX KB
# ( XXX=254 for a typical python extension))
if not debug:
extra_preargs.append("-s")
UnixCCompiler.link(self,
target_desc,
objects,
output_filename,
output_dir,
libraries,
library_dirs,
runtime_library_dirs,
None, # export_symbols, we do this in our def-file
debug,
extra_preargs,
extra_postargs,
build_temp,
target_lang)
