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from waflib import Utils
def __get_cc_env_vars__(cc):
cmd = cc + ['-dM', '-E', '-']
try:
p = Utils.subprocess.Popen(cmd, stdin=Utils.subprocess.PIPE,
stdout=Utils.subprocess.PIPE,
stderr=Utils.subprocess.PIPE)
p.stdin.write('\n'.encode())
return p.communicate()[0]
except Exception:
return ""
def __add_generic_flags__(ctx):
ctx.env.CFLAGS += ["-D_ISOC99_SOURCE", "-D_GNU_SOURCE",
"-D_LARGEFILE_SOURCE", "-D_FILE_OFFSET_BITS=64",
"-D_LARGEFILE64_SOURCE",
"-std=gnu99", "-Wall"]
if ctx.is_debug_build():
ctx.env.CFLAGS += ['-g']
def __add_gcc_flags__(ctx):
ctx.env.CFLAGS += ["-Wundef", "-Wmissing-prototypes",
"-Wno-switch", "-Wno-parentheses", "-Wpointer-arith",
"-Wredundant-decls", "-Wno-pointer-sign",
"-Werror=implicit-function-declaration",
"-Wno-error=deprecated-declarations",
"-Wno-error=unused-function" ]
def __add_clang_flags__(ctx):
ctx.env.CFLAGS += ["-Wno-logical-op-parentheses", "-fcolor-diagnostics"]
def __add_mingw_flags__(ctx):
ctx.env.CFLAGS += ['-D__USE_MINGW_ANSI_STDIO=1']
ctx.env.CFLAGS += ['-DBYTE_ORDER=1234']
ctx.env.CFLAGS += ['-DLITLE_ENDIAN=1234']
ctx.env.CFLAGS += ['-DBIG_ENDIAN=4321']
ctx.env.LAST_LINKFLAGS += ['-mwindows']
def __add_cygwin_flags__(ctx):
ctx.env.CFLAGS += ['-mwin32']
__compiler_map__ = {
'__GNUC__': __add_gcc_flags__,
'__clang__': __add_clang_flags__,
'__MINGW32__': __add_mingw_flags__,
'__CYGWIN__': __add_cygwin_flags__,
}
def __apply_map__(ctx, fnmap):
if not getattr(ctx, 'CC_ENV_VARS', None):
ctx.CC_ENV_VARS = str(__get_cc_env_vars__(ctx.env.CC))
for k, fn in fnmap.items():
if ctx.CC_ENV_VARS.find(k) > 0:
fn(ctx)
def configure(ctx):
__add_generic_flags__(ctx)
__apply_map__(ctx, __compiler_map__)
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