diff options
Diffstat (limited to 'SConstruct')
| -rwxr-xr-x | SConstruct | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/SConstruct b/SConstruct index 1d1b95711..1078a3e96 100755 --- a/SConstruct +++ b/SConstruct @@ -189,6 +189,8 @@ AddLocalOption('--without-python', dest='without_python', AddLocalOption('--without-tcmalloc', dest='without_tcmalloc', action='store_true', help='Disable linking against tcmalloc') +AddLocalOption('--with-ubsan', dest='with_ubsan', action='store_true', + help='Build with Undefined Behavior Sanitizer if available') termcap = get_termcap(GetOption('use_colors')) @@ -602,6 +604,15 @@ if main['GCC']: 'binutils to 2.23.' + \ termcap.Normal + # Make sure we warn if the user has requested to compile with the + # Undefined Benahvior Sanitizer and this version of gcc does not + # support it. + if GetOption('with_ubsan') and \ + compareVersions(gcc_version, '4.9') < 0: + print termcap.Yellow + termcap.Bold + \ + 'Warning: UBSan is only supported using gcc 4.9 and later.' + \ + termcap.Normal + # Add the appropriate Link-Time Optimization (LTO) flags # unless LTO is explicitly turned off. Note that these flags # are only used by the fast target. |