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Only pass -Werror=redundant-decls if it works well

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Kp 2013-12-11 22:15:05 +00:00
parent cb4fd7c1b4
commit 8a5644fc07
1 changed files with 18 additions and 1 deletions
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19
SConstruct
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@ -141,6 +141,23 @@ help:assume C++ compiler works
if not self.Compile(context, text=self.__empty_main_program, msg='whether C++ compiler works'):
raise SCons.Errors.StopError("C++ compiler does not work.")
@_custom_test
def check_compiler_redundant_decl_warning(self,context):
f = {'CXXFLAGS' : ['-Werror=redundant-decls']}
if not self.Compile(context, text='int a();', msg='whether C++ compiler accepts -Werror=redundant-decls', testflags=f):
return
if not self.Compile(context, text='int a();int a();', msg='whether C++ compiler implements -Werror=redundant-decls', testflags=f, expect_failure=True):
return
# Test for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15867
text = '''
template <typename>
struct A {
int a();
};
template <>
int A<int>::a();
'''
self.Compile(context, text=text, msg='whether C++ compiler treats specializations as distinct', successflags=f)
@_custom_test
def check_attribute_format_arg(self,context):
"""
help:assume compiler supports __attribute__((format_arg))
@ -707,7 +724,7 @@ class DXXCommon(LazyObjectConstructor):
# -Werror=undef to make this fatal. Both are needed, since
# gcc 4.5 silently ignores -Werror=undef. On gcc 4.5, misuse
# produces a warning. On gcc 4.7, misuse produces an error.
self.env.Append(CCFLAGS = ['-Wall', '-Wundef', '-Werror=redundant-decls', '-Werror=missing-declarations', '-Werror=pointer-arith', '-Werror=undef', '-funsigned-char', '-Werror=implicit-int', '-Werror=implicit-function-declaration', '-Werror=format-security', '-pthread'])
self.env.Append(CCFLAGS = ['-Wall', '-Wundef', '-Werror=missing-declarations', '-Werror=pointer-arith', '-Werror=undef', '-funsigned-char', '-Werror=implicit-int', '-Werror=implicit-function-declaration', '-Werror=format-security', '-pthread'])
self.env.Append(CPPPATH = ['common/include', 'common/main', '.', self.user_settings.builddir])
self.env.Append(CPPFLAGS = SCons.Util.CLVar('-Wno-sign-compare'))
if (self.user_settings.editor == 1):