[llvm] r185925 - Document LLVM_USE_SANITIZER CMake option

[Nadav Rotem]

It works with ToT.  Thanks. 

On Jul 9, 2013, at 9:56 AM, Chandler Carruth <chandlerc at google.com> wrote:

> What version of Clang are you using as the host compiler? It needs to be a reasonably modern one for this option to work.
> 
> 
> On Tue, Jul 9, 2013 at 9:45 AM, Nadav Rotem <nrotem at apple.com> wrote:
> Hi Alexey, 
> 
> I am getting this error when I configure using -DLLVM_USE_SANITIZER=Address.  Should I add any other flags ?
> 
> Scanning dependencies of target LLVMSupport
> 
> [  0%] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/APFloat.cpp.o
> 
> clang: error: '-fsanitize-undefined-trap-on-error' required with '-fsanitize=address' option
> 
> clang: error: unsupported argument 'address' to option 'fsanitize='
> 
> make[2]: *** [lib/Support/CMakeFiles/LLVMSupport.dir/APFloat.cpp.o] Error 1
> 
> make[1]: *** [lib/Support/CMakeFiles/LLVMSupport.dir/all] Error 2
> 
> make: *** [all] Error 2
> 
> 
> 
> 
> 
> Thanks,
> 
> Nadav
> 
> 
> 
> 
> On 07/09/13, Alexey Samsonov <samsonov at google.com> wrote:
>> 
>> Author: samsonov
>> Date: Tue Jul  9 05:56:13 2013
>> New Revision: 185925
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=185925&view=rev
>> Log:
>> Document LLVM_USE_SANITIZER CMake option
>> 
>> Modified:
>>     llvm/trunk/docs/CMake.rst
>> 
>> Modified: llvm/trunk/docs/CMake.rst
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/CMake.rst?rev=185925&r1=185924&r2=185925&view=diff
>> ==============================================================================
>> --- llvm/trunk/docs/CMake.rst (original)
>> +++ llvm/trunk/docs/CMake.rst Tue Jul  9 05:56:13 2013
>> @@ -275,6 +275,11 @@ LLVM-specific variables
>>    Build with zlib to support compression/uncompression in LLVM tools.
>>    Defaults to ON.
>>  
>> +**LLVM_USE_SANITIZER**:STRING
>> +  Define the sanitizer used to build LLVM binaries and tests. Possible values
>> +  are ``Address``, ``Memory`` and ``MemoryWithOrigins``. Defaults to empty
>> +  string.
>> +
>>  Executing the test suite
>>  ========================
>>  
>> 
>> 
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