1# -*- mode:python -*-
2
3# Copyright (c) 2004-2005 The Regents of The University of Michigan
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright

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1010 swig_env = new_env.Clone()
1011
1012 # Both gcc and clang have issues with unused labels and values in
1013 # the SWIG generated code
1014 swig_env.Append(CCFLAGS=['-Wno-unused-label', '-Wno-unused-value'])
1015
1016 # Add additional warnings here that should not be applied to
1017 # the SWIG generated code
1018 new_env.Append(CXXFLAGS=['-Wmissing-declarations',
1019 '-Wdelete-non-virtual-dtor'])
1020
1021 if env['GCC']:
1022 # Depending on the SWIG version, we also need to supress
1023 # warnings about uninitialized variables and missing field
1024 # initializers.
1025 swig_env.Append(CCFLAGS=['-Wno-uninitialized',
1026 '-Wno-missing-field-initializers',
1027 '-Wno-unused-but-set-variable',
1028 '-Wno-maybe-uninitialized'])
1029
1030 # Only gcc >= 4.9 supports UBSan, so check both the version
1031 # and the command-line option before adding the compiler and
1032 # linker flags.
1033 if GetOption('with_ubsan') and \
1034 compareVersions(env['GCC_VERSION'], '4.9') >= 0:
1035 new_env.Append(CCFLAGS='-fsanitize=undefined')
1036 new_env.Append(LINKFLAGS='-fsanitize=undefined')
1037
1038 if env['CLANG']:
1039 swig_env.Append(CCFLAGS=[
1040 # Some versions of SWIG can return uninitialized values
1041 '-Wno-sometimes-uninitialized',
1042 # Register storage is requested in a lot of places in
1043 # SWIG-generated code.
1044 '-Wno-deprecated-register',
1045 ])
1046

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