Hi Thawra, Here's another patch: https://gem5-review.googlesource.com/c/public/gem5/+/11949. I would greatly appreciate it if you created an account on gem5-review.googlesource.com and made comments/reviewed the patches there. If you have any questions on how to do that, please let me know off list.
Thanks, Jason On Tue, Jul 31, 2018 at 10:17 AM Thawra Kadeed <kad...@ida.ing.tu-bs.de> wrote: > Hi Jason, > > thanks for your quick answer. > > I downloaded the pybind11 from > https://github.com/pybind/pybind11/pull/1396 > ,removed the old one and used this one, then complied but I got another > error after the past error passed: > > New result: > > scons: Building targets ... > [ CXX] ARM/sim/main.cc -> .o > [ CXX] ARM/mem/ruby/filters/BlockBloomFilter.cc -> .o > In file included from build/ARM/sim/serialize.hh:61, > from build/ARM/sim/eventq.hh:53, > from build/ARM/sim/core.hh:44, > from build/ARM/mem/request.hh:62, > from build/ARM/mem/packet.hh:66, > from build/ARM/mem/ruby/system/RubySystem.hh:40, > from build/ARM/mem/ruby/filters/BlockBloomFilter.cc:33: > > build/ARM/base/bitunion.hh: In function 'std::ostream& > BitfieldBackend::bitfieldBackendPrinter(std::ostream&, const T&) [with T > = char; std::ostream = std::basic_ostream<char>]': > build/ARM/base/bitunion.hh:438:26: ERROR: type qualifiers ignored on > cast result type [-Werror=ignored-qualifiers] > os << (const int)t; > ^ > build/ARM/base/bitunion.hh: In function 'std::ostream& > BitfieldBackend::bitfieldBackendPrinter(std::ostream&, const T&) [with T > = unsigned char; std::ostream = std::basic_ostream<char>]': > build/ARM/base/bitunion.hh:446:35: ERROR: type qualifiers ignored on > cast result type [-Werror=ignored-qualifiers] > os << (const unsigned int)t; > > > Is it also because of gcc8? > Thanks again, > Thawra > > > On 2018-07-31 18:27, Jason Lowe-Power wrote: > > Hi Thawra, > > > > It looks like this pybind11 commit fixes the issue. > > https://github.com/pybind/pybind11/pull/1396. Last time you sent the > > email no one had posted a fix to pybind, yet :). > > > > I just posted a patch on gerrit. Please download it, test it, and > > review it on gerrit. If it works for you we'll push it into mainline. > > https://gem5-review.googlesource.com/c/public/gem5/+/11909 > > > > Cheers, > > Jason > > > > On Tue, Jul 31, 2018 at 9:08 AM Thawra Kadeed > > <kad...@ida.ing.tu-bs.de> wrote: > > > >> Hello Jason, > >> > >> I submitted before this error message I got during the build process > >> of > >> Gem5. > >> > >> you recommended me either to use previous versions of gcc (e.g. gcc > >> 7) > >> or to use clang. > >> > >> As I am using Feodra28, I am not able to install gcc 7 because there > >> are > >> no corresponding dependencies in fedora28 for such a version. > >> However, I removed gcc8 and installed clang. Here, gcc8 installs > >> automatically as a dependency package for clang. I tried to build, I > >> got > >> the same error. > >> > >> I do not know which c compiler the scons uses. I tried to look if I > >> am > >> able to specify the c compiler in the scons but have not seen such a > >> > >> choice. > >> > >> Could anyone please give me a hint about this problem. > >> Thanks in advance, > >> Thawra > >> > >> PS: your old answer was: > >> Hi Thawra, > >> > >> My guess is that this is an issue with the version of pybind11 > >> we're > >> using > >> and gcc 8+. We haven't tested on anything after gcc 7.X. > >> > >> I'll put testing gcc 8 on my to do list, but I don't know when > >> I'll get > >> to > >> it. I would try downgrading gcc to 7 or possibly using clang. > >> > >> jason > >> > >> On 2018-05-08 18:46, thaw...@ida.ing.tu-bs.de wrote: > >>> Hello, > >>> > >>> I am Thawra Kadeed from the university of Braunschweig in Germany. > >>> > >>> I started using Gem5 and during the build process I got the > >> foolowing > >>> error: > >>> > >>> ext/pybind11/include/pybind11/pybind11.h: In member function 'void > >>> > >> > > > pybind11::cpp_function::initialize_generic(pybind11::detail::function_record*, > >>> const char*, const std::type_info* const*, pybind11::size_t)': > >>> ext/pybind11/include/pybind11/pybind11.h:320:74: error: cast > >> between > >>> incompatible function types from 'PyObject* (*)(PyObject*, > >> PyObject*, > >>> PyObject*)' {aka '_object* (*)(_object*, _object*, _object*)'} to > >>> 'PyCFunction' {aka '_object* (*)(_object*, _object*)'} > >>> [-Werror=cast-function-type] > >>> rec->def->ml_meth = > >>> reinterpret_cast<PyCFunction>(*dispatcher); > >>> > >>> > >>> Obviously as the error reports that the problem is cast between > >>> incompatible function types from 'PyObject' to 'PyCFunction' > >>> > >>> I installed all the required dependencies and as I am using > >> fedora28 I > >>> installed: > >>> > >>> Python 2.7.14 and gcc-8.0.1-0.20.fc28.x86_64 > >>> > >>> I hope you have a helpful guide in this issue. > >>> Thanks in advance. > >>> Best regards, > >>> Thawra >
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