GNU bug report logs - #59004
hyperledger-iroha is broken

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From: Csepp <raingloom <at> riseup.net>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: 59004 <at> debbugs.gnu.org
Subject: bug#59004: hyperledger-iroha is broken
Date: Fri, 04 Nov 2022 12:01:26 +0100

Maxim Cournoyer <maxim.cournoyer <at> gmail.com> writes:

> Hi,
>
> I've tried fixing hyperledger-iroha without success.  Updating it to
> latest would require prometheus-cpp, not yet packaged.  Anything I've
> tried always end up with C++ compilation errors, such as this one
> (protobuf 3.14):
>
> c++14 -Wall -fdiagnostics-color=always -O2 -g -DNDEBUG -fPIC -MD -MT shared_model/backend/protobuf/CMakeFiles/shared_model_proto_backend.dir/queries/impl/proto_get_signatories.o -MF CMakeFiles/shared_model_proto_backend.dir/queries/impl/proto_get_signatories.o.d -o CMakeFiles/shared_model_proto_backend.dir/queries/impl/proto_get_signatories.o -c /tmp/guix-build-hyperledger-iroha-1.1.1.drv-0/source/shared_model/backend/protobuf/queries/impl/proto_get_signatories.cpp
> /tmp/guix-build-hyperledger-iroha-1.1.1.drv-0/source/irohad/consensus/yac/impl/peer_orderer_impl.cpp: In member function ‘virtual boost::optional<iroha::consensus::yac::ClusterOrdering> iroha::consensus::yac::PeerOrdererImpl::getOrdering(const iroha::consensus::yac::YacHash&, std::vector<std::shared_ptr<shared_model::interface::Peer> >)’:
> /tmp/guix-build-hyperledger-iroha-1.1.1.drv-0/source/irohad/consensus/yac/impl/peer_orderer_impl.cpp:28:14: error: ‘shuffle’ is not a member of ‘std’
>    28 |         std::shuffle(peers.begin(), peers.end(), gen);
>       |              ^~~~~~~
> make[2]: *** [irohad/consensus/yac/CMakeFiles/yac.dir/build.make:121: irohad/consensus/yac/CMakeFiles/yac.dir/impl/peer_orderer_impl.o] Error 1
> make[2]: *** Waiting for unfinished jobs....

At first I thought it might be using a C++ standard that is too new or
too old, but std::shuffle seems to have been standardized in C++11 and
has not been removed since.  Hmm.
https://en.cppreference.com/w/cpp/algorithm/random_shuffle
Still, I'd try compiling again with different compiler flags, might have
some luck.  Or looking into how std::shuffle is defined in the standard library.

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