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https://issues.apache.org/jira/browse/QPID-7814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Justin Ross reassigned QPID-7814:
---------------------------------
Assignee: Justin Ross
> Can't Compile "Hello World" example with g++, but can compile with clang++
> --------------------------------------------------------------------------
>
> Key: QPID-7814
> URL: https://issues.apache.org/jira/browse/QPID-7814
> Project: Qpid
> Issue Type: Bug
> Components: C++ Client
> Affects Versions: qpid-cpp-1.36.0
> Environment: Ubuntu 16.04 Docker Image
> Reporter: Matt Singman
> Assignee: Justin Ross
> Priority: Major
> Labels: build
>
> The example hello_world.cpp program does not compile when using g++ in my
> Ubuntu 16.04 Docker image, but does when using clang++. I attempted to
> compile it with g++ 5.4.0, g++ 4.9 and g++ 4.8 but I get the same error for
> each. The command entered was "g++ -lqpidtypes -lqpidmessaging
> helloWorld.cpp". When using clang++ 3.8.0 with the command "clang++
> -lqpidtypes -lqpidmessaging helloWorld.cpp" the code compiles.
> I am pretty sure that it is able to find the libraries because when I do
> something like "g++ -lqpidtypes -lqpidmessagin helloWorld.cpp" (note the
> missing g on messaging) it says "/usr/bin/ld: cannot find -lqpidmessagin".
> When the libraries are typed correctly I get the following:
> /tmp/ccNPg3lI.o: In function `main':
> helloWorld.cpp:(.text+0xba): undefined reference to
> `qpid::messaging::Connection::Connection(std::string const&, std::string
> const&)'
> helloWorld.cpp:(.text+0xc9): undefined reference to
> `qpid::messaging::Connection::open()'
> helloWorld.cpp:(.text+0xf8): undefined reference to
> `qpid::messaging::Connection::createSession(std::string const&)'
> helloWorld.cpp:(.text+0x127): undefined reference to
> `qpid::messaging::Session::createReceiver(std::string const&)'
> helloWorld.cpp:(.text+0x144): undefined reference to
> `qpid::messaging::Session::createSender(std::string const&)'
> helloWorld.cpp:(.text+0x163): undefined reference to
> `qpid::messaging::Message::Message(std::string const&)'
> helloWorld.cpp:(.text+0x180): undefined reference to
> `qpid::types::Variant::Variant(char const*)'
> helloWorld.cpp:(.text+0x193): undefined reference to
> `qpid::messaging::Message::setContentObject(qpid::types::Variant const&)'
> helloWorld.cpp:(.text+0x19f): undefined reference to
> `qpid::types::Variant::~Variant()'
> helloWorld.cpp:(.text+0x1cc): undefined reference to
> `qpid::messaging::Message::getContentObject()'
> helloWorld.cpp:(.text+0x1db): undefined reference to
> `qpid::types::Variant::setEncoding(std::string const&)'
> helloWorld.cpp:(.text+0x20b): undefined reference to
> `qpid::messaging::Sender::send(qpid::messaging::Message const&, bool)'
> helloWorld.cpp:(.text+0x215): undefined reference to
> `qpid::messaging::Duration::SECOND'
> helloWorld.cpp:(.text+0x21a): undefined reference to
> `qpid::messaging::operator*(qpid::messaging::Duration const&, unsigned long)'
> helloWorld.cpp:(.text+0x233): undefined reference to
> `qpid::messaging::Receiver::fetch(qpid::messaging::Duration)'
> helloWorld.cpp:(.text+0x246): undefined reference to
> `qpid::messaging::Message::operator=(qpid::messaging::Message const&)'
> helloWorld.cpp:(.text+0x252): undefined reference to
> `qpid::messaging::Message::~Message()'
> helloWorld.cpp:(.text+0x265): undefined reference to
> `qpid::messaging::Message::getContent() const'
> helloWorld.cpp:(.text+0x2a3): undefined reference to
> `qpid::messaging::Session::acknowledge(bool)'
> helloWorld.cpp:(.text+0x2b2): undefined reference to
> `qpid::messaging::Connection::close()'
> helloWorld.cpp:(.text+0x2c3): undefined reference to
> `qpid::messaging::Message::~Message()'
> helloWorld.cpp:(.text+0x2cf): undefined reference to
> `qpid::messaging::Sender::~Sender()'
> helloWorld.cpp:(.text+0x2de): undefined reference to
> `qpid::messaging::Receiver::~Receiver()'
> helloWorld.cpp:(.text+0x2ed): undefined reference to
> `qpid::messaging::Session::~Session()'
> helloWorld.cpp:(.text+0x2fc): undefined reference to
> `qpid::messaging::Connection::~Connection()'
> helloWorld.cpp:(.text+0x3a1): undefined reference to
> `qpid::messaging::Session::~Session()'
> helloWorld.cpp:(.text+0x3cf): undefined reference to
> `qpid::messaging::Message::~Message()'
> helloWorld.cpp:(.text+0x3e3): undefined reference to
> `qpid::types::Variant::~Variant()'
> helloWorld.cpp:(.text+0x41f): undefined reference to
> `qpid::messaging::Message::~Message()'
> helloWorld.cpp:(.text+0x447): undefined reference to
> `qpid::messaging::Message::~Message()'
> helloWorld.cpp:(.text+0x45b): undefined reference to
> `qpid::messaging::Sender::~Sender()'
> helloWorld.cpp:(.text+0x472): undefined reference to
> `qpid::messaging::Receiver::~Receiver()'
> helloWorld.cpp:(.text+0x489): undefined reference to
> `qpid::messaging::Session::~Session()'
> helloWorld.cpp:(.text+0x4a0): undefined reference to
> `qpid::messaging::Connection::~Connection()'
> collect2: error: ld returned 1 exit status
> Note that I was able to compile the same code using g++ 4.8.5 on CentOS 7 and
> it runs as expected.
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