Thanks!
On Thu, 2015-08-13 at 01:47 +0000, ??? wrote: > Hi~ Kaene. > > > > I used the command which "sudo update-alternatives --config gcc" for > this testing. > > Because I already installed two compiler, 4.6.4 and 4.7.2. > > > I hope that this tip will be help to you. > > > > ???( HyunJun Kim ) > Engineer > > IoT Solution Lab. | Web & Convergence Team. > Software R&D Center > Digital Media & Communications Business > SAMSUNG ELECTRONICS CO,. LTD. > > Mobile +82-10-5096-0151 > E-Mail HyunJun2.Kim at samsung.com | kiness at gmail.com > > > > > > > > ------- Original Message ------- > > Sender : Keane, Erich<erich.keane at intel.com> > > Date : 2015-08-12 01:38 (GMT+09:00) > > Title : Re: Re: [dev] Is there any guideline for GCC version? > > > > It definitely DOES seem like the compiler is mis-reading something... > > Can you do a 'step' into that getPayload function as well? I see a > few > spots that this could POTENTIALLY happen. My only thought is that > perhaps the compiler isn't doing a conversion correctly. The only > place > that I see that could cause this is the switch statement inside > OCRepresentation::getPayload. > > If you can find which line from 374 to 388 is causing this, it would > be > a big help. In that case, the solution could likely be to add an > explicit cast on the line that is causing the issue for the variable > 'val'. You might end up doing: static_cast(val) for example (if > it was in AttributeType::Boolean). > > Alternatively, if you're getting it on the integer line (374?), the > solution might be to change the static_cast to int32_t? > > I just had a coworker on Ubuntu 12.04 try it, and he was unable to > make > the problem happen with 4.6.3, so I wonder if our closing on this is > to > just say 4.6.4 is bad? > > PS: How are you trying all these compilers? It would be great if I > could switch compilers pretty easy, so I was wondering if you have > some > secret? > > On Tue, 2015-08-11 at 05:26 +0000, ??? wrote: > > Hi Keane. > > > > > > > > I found the point where is occurred an error from the code when > > IoTivity is built using 4.6.4. > > > > This point is in OCRepresentation.cpp:147 and this line was called > > when server sends response about GET request. > > > > > > > > I don't know why it is occurred an error. > > > > But, I just guess that there is dependency with gcc version. this is > > pure surmise on my part. > > > > > > > > Please share your opinion to me about this issue. > > > > > > > > 0: > > In entity handler wrapper: > > > > In Server CPP entity handler: > > requestFlag : Request > > requestType : GET > > [Switching to Thread 0xb5924b40 (LWP 15473)] > > > > Breakpoint 1, OC::MessageContainer::getPayload (this=0xb59233c4) at > > resource/src/OCRepresentation.cpp:142 > > 142 OCRepPayload* root = nullptr; > > (gdb) n > > 143 for(const auto& r : representations()) > > (gdb) n > > 145 if(!root) > > (gdb) n > > 147 root = r.getPayload(); > > (gdb) n > > terminate called after throwing an instance of > > 'boost::exception_detail::clone_impl >' > > what(): boost::bad_get: failed value get using boost::get > > > > > > > > > > > > > > > > ???( HyunJun Kim ) > > Engineer > > > > IoT Solution Lab. | Web & Convergence Team. > > Software R&D Center > > Digital Media & Communications Business > > SAMSUNG ELECTRONICS CO,. LTD. > > > > Mobile +82-10-5096-0151 > > E-Mail HyunJun2.Kim at samsung.com | kiness at gmail.com > > > > > > > > > > > > > > > > ------- Original Message ------- > > > > Sender : Keane, Erich > > > > Date : 2015-08-11 01:38 (GMT+09:00) > > > > Title : Re: [dev] Is there any guideline for GCC version? > > > > > > > > I've been unable to get this to happen, though I'm on a 4.9 > compiler. > > > > I think we had a few others try to validate it here with the 4.6.* > > branch compilers, but I am not sure what could have caused that. > > > > The 'bad-get' issues are because we are trying to unpack data from a > > 'variant', and are attempting to extract it as a different data type > > than is in the variant. If you could debug and see what the 'which' > > is > > on the variant, as well as what we are attempting to pull it out as, > > it > > would go a long way to debugging it. > > > > Thanks, > > Erich > > > > > > On Mon, 2015-08-10 at 14:37 +0000, Lankswert, Patrick wrote: > > > Jay, > > > > > > Did you find the root cause of the exception under gcc 4.6.4? > > > > > > There are multiple issues here that I am concerned about. First, > is > > there an issue in the code that the compiler is uncovering. If so, > we > > should fix the code. If this is a bug in the compiler, which is > rare, > > we should avoid that version of the compiler and make a strong and > > detailed statement in the release notes. If there is a problem in > the > > boost libraries, we need to move and stay with the most stable and > > widely supported version. > > > > > > In all cases, you are absolutely right, we should be clear to > cover > > our understanding of the recommended and supported gcc versions. > > Unfortunately, we cannot be exhaustive in our validation of builds > > based on all of the gcc version, it takes too much time. > > > > > > The high cost of validation and cross platform support is why > > changing the versions of the compiler and tool chain requires > > commitment from the majority of the community. > > > > > > BTW, it is good to see you on the boards. > > > > > > Pat > > > > > > > -----Original Message----- > > > > From: iotivity-dev-bounces at lists.iotivity.org > > [mailto:iotivity-dev- > > > > bounces at lists.iotivity.org] On Behalf Of ??? > > > > Sent: Monday, August 10, 2015 6:21 AM > > > > To: iotivity-dev at lists.iotivity.org > > > > Subject: [dev] Is there any guideline for GCC version? > > > > > > > > Hi all, > > > > > > > > I have a question on the GCC version for building the IoTivity. > > > > I found that the "simpleServer/Client" built with gcc 4.6.4 > > crashes with this > > > > message .... > > > > > > > > > ================================================================= > > > > terminate called after throwing an instance of > > > > 'boost::exception_detail::clone_impl> > or >' > > > > what(): boost::bad_get: failed value get using boost::get > > > > > ================================================================= > > > > > > > > However, ths simpleServer/Client does not crash if I build them > > with gcc version > > > > 4.6.3. > > > > > > > > The guideline for the linux build in the IoTivity Web site > > mentioned only gcc 4.6.1 > > > > not the others. > > > > I just want to ask whether there's a guideline for vaild GCC > > version for building > > > > the Iotivity Stack. > > > > > > > > I think this is very important issue for the IoTivity Users. :) > > > > > > > > Thank you. > > > > Jay. > > > > > > > > > > > > > > > > > > > > Jung-hyun Oh. > > > > SW R&D Center | SAMSUNG ELECTRONICS CO.,LTD > > > > +82-10-9890-6731 | Beyond your imagination, Always > > > > _______________________________________________ > > > > iotivity-dev mailing list > > > > iotivity-dev at lists.iotivity.org > > > > https://lists.iotivity.org/mailman/listinfo/iotivity-dev > > > _______________________________________________ > > > iotivity-dev mailing list > > > iotivity-dev at lists.iotivity.org > > > https://lists.iotivity.org/mailman/listinfo/iotivity-dev > > > > _______________________________________________ > > iotivity-dev mailing list > > iotivity-dev at lists.iotivity.org > > https://lists.iotivity.org/mailman/listinfo/iotivity-dev > > > > > > > > > > > > >
