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Support ancient (<3.4.0) gcc versions

This commit is contained in:
William Toohey 2021-11-16 14:33:36 +10:00 committed by Eli Schwartz
parent 83f8b7c1b1
commit 679adc7bf5
1 changed files with 4 additions and 1 deletions
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5
mesonbuild/compilers/c.py
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@ -245,6 +245,7 @@ class GnuCCompiler(GnuCompiler, CCompiler):
_C18_VERSION = '>=8.0.0'
_C2X_VERSION = '>=9.0.0'
_INVALID_PCH_VERSION = ">=3.4.0"
def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice, is_cross: bool,
info: 'MachineInfo', exe_wrapper: T.Optional['ExternalProgram'] = None,
@ -253,7 +254,9 @@ class GnuCCompiler(GnuCompiler, CCompiler):
full_version: T.Optional[str] = None):
CCompiler.__init__(self, exelist, version, for_machine, is_cross, info, exe_wrapper, linker=linker, full_version=full_version)
GnuCompiler.__init__(self, defines)
default_warn_args = ['-Wall', '-Winvalid-pch']
default_warn_args = ['-Wall']
if version_compare(self.version, self._INVALID_PCH_VERSION):
default_warn_args += ['-Winvalid-pch']
self.warn_args = {'0': [],
'1': default_warn_args,
'2': default_warn_args + ['-Wextra'],