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-rwxr-xr-xsrc/SConscript15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/SConscript b/src/SConscript
index 3737ef51b..ef729cb33 100755
--- a/src/SConscript
+++ b/src/SConscript
@@ -953,6 +953,15 @@ def makeEnv(env, label, objsfx, strip = False, **kwargs):
if compareVersions(env['GCC_VERSION'], '4.7') >= 0:
new_env.Append(CXXFLAGS='-Wdelete-non-virtual-dtor')
swig_env.Append(CCFLAGS='-Wno-maybe-uninitialized')
+
+ # Only gcc >= 4.9 supports UBSan, so check both the version
+ # and the command-line option before adding the compiler and
+ # linker flags.
+ if GetOption('with_ubsan') and \
+ compareVersions(env['GCC_VERSION'], '4.9') >= 0:
+ new_env.Append(CCFLAGS='-fsanitize=undefined')
+ new_env.Append(LINKFLAGS='-fsanitize=undefined')
+
if env['CLANG']:
# Always enable the warning for deletion of derived classes
# with non-virtual destructors
@@ -966,6 +975,12 @@ def makeEnv(env, label, objsfx, strip = False, **kwargs):
'-Wno-deprecated-register',
])
+ # All supported clang versions have support for UBSan, so if
+ # asked to use it, append the compiler and linker flags.
+ if GetOption('with_ubsan'):
+ new_env.Append(CCFLAGS='-fsanitize=undefined')
+ new_env.Append(LINKFLAGS='-fsanitize=undefined')
+
werror_env = new_env.Clone()
werror_env.Append(CCFLAGS='-Werror')