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# module mingw32ccompiler.py
# Requires Python 2.1 or better.
"""Win32 GUI/console versions of the distutils mingw32 compiler classes."""
from distutils.cygwinccompiler import Mingw32CCompiler
def intersect (sequence_a, sequence_b):
"""Return true if the two sequences contain items in common
If sequence_a is a non-sequence then return false.
"""
try:
for item in sequence_a:
if item in sequence_b:
return 1
except TypeError:
return 0
return 0
def difference (sequence_a, sequence_b):
"""Return a list of items in sequence_a but not in sequence_b
Will raise a ValueError if either argument is not a sequence.
"""
new_sequence = []
for item in sequence_a:
if item not in sequence_b:
new_sequence.append(item)
return new_sequence
subsystem_options = ['-mwindows', '-mconsole'] # Item position is critical.
class Mingw32DefaultCCompiler (Mingw32CCompiler):
"""This mingw32 compiler class builds a Win32 GUI DLL by default.
It is overridden by subsystem options in the linker extras.
"""
def set_executables (self, **args):
"""Has no linker subsystem option for shared libraries"""
Mingw32CCompiler.set_executables(self, **args)
try:
self.linker_so = difference (self.linker_so, subsystem_options)
except TypeError:
pass
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):
"""Do a Win32 GUI link if no subsystem option given."""
if (target_desc != self.EXECUTABLE and
not intersect(subsystem_options, extra_preargs) and
not intersect(subsystem_options, extra_postargs)):
try:
extra_preargs = extra_preargs + subsystem_options[0]
except TypeError:
extra_preargs = subsystem_options[0:1]
Mingw32CCompiler.link (self,
target_desc,
objects,
output_filename,
output_dir,
libraries,
library_dirs,
runtime_library_dirs,
export_symbols,
debug,
extra_preargs,
extra_postargs,
build_temp,
target_lang)
class Mingw32ConsoleCCompiler (Mingw32CCompiler):
"""This mingw32 compiler class builds a console DLL.
It is not overridden by subsystem options in the linker extras.
"""
def set_executables (self, **args):
"""Has console subsystem linker option for shared libraries."""
Mingw32CCompiler.set_executables(self, **args)
try:
linker_so = difference(self.linker_so, subsystem_options)
except TypeError:
linker_so = subsystem_options[1:2]
else:
linker_so.append(subsystem_options[1])
self.linker_so = linker_so
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):
"""Do a console link."""
if target_desc != self.EXECUTABLE:
try:
extra_preargs = difference(extra_preargs, subsystem_options)
except TypeError:
pass
try:
extra_postargs = difference(extra_postargs, subsystem_options)
except TypeError:
pass
Mingw32CCompiler.link (self,
target_desc,
objects,
output_filename,
output_dir,
libraries,
library_dirs,
runtime_library_dirs,
export_symbols,
debug,
extra_preargs,
extra_postargs,
build_temp,
target_lang)
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