[Users] CarpetMask compilation errors

[jhar131 at cct.lsu.edu]

Erik,

  -std=gnu++0x is part of the CXXFLAGS in fedora.cfg, and I installed gcc46
  using the yum -y command as mentioned in the fedora.cfg comments. Your
  suggested workaround was successful.

Josh Harris


Quoting Erik Schnetter <schnetter at cct.lsu.edu>:

> Joshua
>
> Can you check that the option -std=gnu++0x is part of CXXFLAGS in your
> fedora.cfg?
>
> Did you install gcc46 yourself, or as Fedora package?
>
> It is difficult to debug this remotely. Your problem seems to be that
> both the C and the C++ versions of isnan are visible at the same time,
> the C version in the global namespace and the C++ version in the std
> namespace.
>
> A quick work-around would be to commend out the calls to isnan in this
> file. These calls to isnan check only for errors, so you should be
> fine.
>
> -erik
>
> On Thu, Jun 16, 2011 at 10:34 AM,  <jhar131 at cct.lsu.edu> wrote:
>>  Erik,
>>
>>  I am using a 64 bit intel dual core laptop, with fedora 15 as the OS, I
>>  am compiling with gcc version 4.6.; and I am attempting to build a
>> simulation
>>  with fedora.cfg.
>>
>>
>>  Sincerely,
>>
>>  Joshua Harris
>>
>>
>>
>>
>>
>>
>> Quoting Erik Schnetter <schnetter at cct.lsu.edu>:
>>
>>> Joshua
>>>
>>> C++ compilers differ in their ways in which they make C functions such
>>> as isnan available. There is a standard way, but there are often also
>>> additional "backward compatible" ways, and this can sometimes lead to
>>> confusion. In your case, the C++ compiler sees two "different"
>>> versions of isnan and thus reports an error.
>>>
>>> We have determined compiler options and header flags that make things
>>> work for almost all standard operating systems and standard compilers.
>>> We have documented these in the simulation factory
>>> <http://simfactory.org>, which can also be directly accessed at
>>>
>>> <https://svn.cct.lsu.edu/repos/numrel/simfactory/branches/PYSIM_DEV/mdb/optionlists/>.
>>>
>>> What machine, operating system, and compiler are you using? Your best
>>> bet is probably to start with the options for a machine most closely
>>> to your setup.
>>>
>>> -erik
>>>
>>> On Wed, Jun 15, 2011 at 4:58 PM,  <jhar131 at cct.lsu.edu> wrote:
>>>>
>>>> Hello,
>>>>
>>>> I'm having problems with CarpetMask when I attempt to build a
>>>> simulation. Included are my error messages. Does anyone have any
>>>> suggestions?
>>>>
>>>>
>>>> Preprocessing
>>>> /home/joshua/Cactus/arrangements/Carpet/CarpetMask/src/mask_surface.cc
>>>> Compiling
>>>> /home/joshua/Cactus/arrangements/Carpet/CarpetMask/src/mask_surface.cc
>>>> /home/joshua/Cactus/arrangements/Carpet/CarpetMask/src/mask_surface.cc:
>>>> In
>>>> function ?void CarpetMask::CarpetSurfaceSetup(cGH*)?:
>>>>
>>>> /home/joshua/Cactus/arrangements/Carpet/CarpetMask/src/mask_surface.cc:111:19:
>>>> error: call of overloaded ?isnan(double&)? is ambiguous
>>>>
>>>> /home/joshua/Cactus/arrangements/Carpet/CarpetMask/src/mask_surface.cc:111:19:
>>>> note: candidates are:
>>>> /usr/include/bits/mathcalls.h:235:1: note: int isnan(double)
>>>>
>>>> /usr/lib/gcc/x86_64-redhat-linux/4.6.0/../../../../include/c++/4.6.0/cmath:558:3:
>>>> note: bool  std::isnan(long
>>>> double)
>>>>
>>>> /usr/lib/gcc/x86_64-redhat-linux/4.6.0/../../../../include/c++/4.6.0/cmath:554:3:
>>>> note:  bool
>>>> std::isnan(double)
>>>>
>>>> /usr/lib/gcc/x86_64-redhat-linux/4.6.0/../../../../include/c++/4.6.0/cmath:550:3:
>>>> note:  bool
>>>> std::isnan(float)
>>>>
>>>> /home/joshua/Cactus/arrangements/Carpet/CarpetMask/src/mask_surface.cc:128:19:
>>>> error: call of overloaded ?isnan(double&)? is ambiguous
>>>>
>>>> /home/joshua/Cactus/arrangements/Carpet/CarpetMask/src/mask_surface.cc:128:19:
>>>> note: candidates are:
>>>> /usr/include/bits/mathcalls.h:235:1: note: int isnan(double)
>>>>
>>>> /usr/lib/gcc/x86_64-redhat-linux/4.6.0/../../../../include/c++/4.6.0/cmath:558:3:
>>>> note: bool  std::isnan(long
>>>> double)
>>>>
>>>> /usr/lib/gcc/x86_64-redhat-linux/4.6.0/../../../../include/c++/4.6.0/cmath:554:3:
>>>> note:  bool
>>>> std::isnan(double)
>>>>
>>>> /usr/lib/gcc/x86_64-redhat-linux/4.6.0/../../../../include/c++/4.6.0/cmath:550:3:
>>>> note:  bool
>>>> std::isnan(float)
>>>> make[3]: *** [mask_surface.cc.o] Error 1
>>>> make[2]: *** [make.checked] Error 2
>>>> make[1]: ***
>>>> [/home/joshua/Cactus/configs/ConfigName/lib/libthorn_CarpetMask.a]
>>>> Error 2
>>>> make[1]: *** Waiting for unfinished jobs....
>>>>
>>>>
>>>>
>>>> Sincerely,
>>>>
>>>> Joshua Harris
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at einsteintoolkit.org
>>>> http://lists.einsteintoolkit.org/mailman/listinfo/users
>>>>
>>>
>>>
>>>
>>> --
>>> Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/
>>>
>>
>>
>>
>>
>
>
>
> --
> Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/
>