mirror of
https://github.com/mpv-player/mpv
synced 2025-04-04 15:34:31 +00:00
5868a08657
This warns about player/audio.c:253 with gcc 8.2.0. Although this warning could be useful to check the worst case estimation, the compiler doesn't explain how it gets its dumb, bogus result, so this is useless. You'd just end up trying to make the compiler happy for no reason.
92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
from waflib import Utils
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def __get_cc_env_vars__(cc):
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cmd = cc + ['-dM', '-E', '-']
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try:
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p = Utils.subprocess.Popen(cmd, stdin=Utils.subprocess.PIPE,
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stdout=Utils.subprocess.PIPE,
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stderr=Utils.subprocess.PIPE)
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p.stdin.write('\n'.encode())
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return p.communicate()[0]
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except Exception:
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return ""
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def __test_and_add_flags__(ctx, flags):
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for flag in flags:
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ctx.check_cc(cflags=flag, uselib_store="compiler", mandatory=False)
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ctx.env.CFLAGS += ctx.env.CFLAGS_compiler
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def __add_generic_flags__(ctx):
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ctx.env.CFLAGS += ["-D_ISOC99_SOURCE", "-D_GNU_SOURCE",
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"-D_LARGEFILE_SOURCE", "-D_FILE_OFFSET_BITS=64",
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"-D_LARGEFILE64_SOURCE",
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"-Wall"]
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if ctx.check_cc(cflags="-std=c11", mandatory=False):
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ctx.env.CFLAGS += ["-std=c11"]
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else:
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ctx.env.CFLAGS += ["-std=c99"]
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if ctx.is_optimization():
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ctx.env.CFLAGS += ['-O2']
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if ctx.is_debug_build():
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ctx.env.CFLAGS += ['-g']
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__test_and_add_flags__(ctx, ["-Werror=implicit-function-declaration",
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"-Wno-error=deprecated-declarations",
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"-Wno-error=unused-function",
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"-Wempty-body",
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"-Wdisabled-optimization",
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"-Wstrict-prototypes",
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"-Wno-format-zero-length",
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"-Werror=format-security",
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"-Wno-redundant-decls",
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"-Wvla",
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"-Wno-format-truncation"])
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def __add_gcc_flags__(ctx):
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ctx.env.CFLAGS += ["-Wall", "-Wundef", "-Wmissing-prototypes", "-Wshadow",
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"-Wno-switch", "-Wparentheses", "-Wpointer-arith",
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"-Wno-pointer-sign",
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# GCC bug 66425
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"-Wno-unused-result"]
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def __add_clang_flags__(ctx):
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ctx.env.CFLAGS += ["-Wno-logical-op-parentheses", "-fcolor-diagnostics",
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"-Wno-tautological-compare",
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"-Wno-tautological-constant-out-of-range-compare" ]
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def __add_mswin_flags__(ctx):
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ctx.env.CFLAGS += ['-D_WIN32_WINNT=0x0602', '-DUNICODE', '-DCOBJMACROS',
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'-DINITGUID', '-U__STRICT_ANSI__']
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ctx.env.LAST_LINKFLAGS += ['-Wl,--major-os-version=6,--minor-os-version=0',
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'-Wl,--major-subsystem-version=6,--minor-subsystem-version=0']
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def __add_mingw_flags__(ctx):
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__add_mswin_flags__(ctx)
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ctx.env.CFLAGS += ['-municode', '-D__USE_MINGW_ANSI_STDIO=1']
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ctx.env.LAST_LINKFLAGS += ['-municode', '-mwindows']
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def __add_cygwin_flags__(ctx):
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__add_mswin_flags__(ctx)
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ctx.env.CFLAGS += ['-mwin32']
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__compiler_map__ = {
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'__GNUC__': __add_gcc_flags__,
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'__clang__': __add_clang_flags__,
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'__MINGW32__': __add_mingw_flags__,
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'__CYGWIN__': __add_cygwin_flags__,
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}
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def __apply_map__(ctx, fnmap):
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if not getattr(ctx, 'CC_ENV_VARS', None):
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ctx.CC_ENV_VARS = str(__get_cc_env_vars__(ctx.env.CC))
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for k, fn in fnmap.items():
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if ctx.CC_ENV_VARS.find(k) > 0:
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fn(ctx)
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def configure(ctx):
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__add_generic_flags__(ctx)
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__apply_map__(ctx, __compiler_map__)
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