Troy,

I added a "minimal" patch to the trac. It shows two lines being commented.
If either of them is uncommented, a compiler segfault results.

https://code.ros.org/trac/ros/attachment/ticket/3626/rosconsole_cpp_patch_minimal.patch

--Nick

On Wed, Aug 31, 2011 at 10:59 AM, Troy Straszheim <
straszheim@willowgarage.com> wrote:

> On Wed, Aug 31, 2011 at 10:43 AM, Nicholas Butko <nbutko@ucsd.edu> wrote:
>
>> I just tried to install ROS (Electric) on OSX10.7 on my machine. I ran
>> into two hurdles. Here are the fixes:
>> 2: rosmake fails, with a compiler segfault in rosconsle
>> I was disappointed to find that this is a known bug, with a known fix, and
>> has been known for weeks prior to release. I'm sorry to see that a version
>> of ros shipped with what is essentially a fatal issue in its core library.
>> It seems this is a bug in Apple's llvm-gcc, and I know that OSX is not
>> officially supported in ROS, and that there are a lot of hard issues that WG
>> doesn't have time to support. This one takes a few minutes, and the
>> workaround while not ideal seems harmless. A simple #ifdef __APPLE__ could
>> have even made the workaround only for OSX platforms, leaving Ubuntu
>> unaffected.
>> Here is the bug/fix: https://code.ros.org/trac/ros/ticket/3626
>> It works. Thanks William for the workaround.
>>
>
> I saw that patch, I didn't think that silently disabling logging on OSX was
> a good idea.   If you binary search with comments and/or #if 0 blocks, you
> can probably figure out what specific lines are confusing the compiler.  I
> bet it involves the va_list stuff.   Then we can figure out an actual
> workaround.
>
> Also, the link to the llvm bug in that ticket is broken.  Knowing what the
> clang folks have to say would help.
>
>
>
>
>
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