On Fri, Oct 17, 2014 at 04:04:36PM +0200, Manuel Schiller wrote:

Hi,

you say are using QtCreator, but you do not state which OS you are using. So I guess you are still on windows, and I also guess QtCreator uses mingw as the compiler instead of Visual Studio.

Qt Creator can, and in his case does, support using MSVC as the compiler and CDB as the debugger. The error shown is from the MS link.exe. The underlying cause is likely a difference in the flags passed to the compiler and/or linker by his build system, which may differ from what you get when building with MSBuild solutions.

If this is true, then you need to compile boost using mingw in order to be able to properly link against the boost libraries.

Boost list policy mandates in-line bottom-post replies, btw.

2014-10-17 15:22 GMT+02:00 Kavita :

...

Hello,

I am working on a project of boost unit testing framework using QT creator. I have written a small test program and trying to link "libboost_unit_test_framework-vc100-mt-gd-1_56.lib". This library is present at specified path. But program fails to compile giving said linking error.

I searched on net and found that, error should go with "#define BOOST_ALL_NO_LIB". But then, I am getting below error:

main.obj:-1: error: LNK2019: unresolved external symbol "class boost::unit_test::test_suite * __cdecl init_unit_test_suite(int,char * * const)" (?init_unit_test_suite@@YAPAVtest_suite@unit_test@boost@@HQAPAD@Z) referenced in function _main

The above function is a part of "libboost_unit_test_framework-vc100-mt-gd-1_56.lib".

I have written same unit tests using VS 2010 and with the same boost libraries. The program worked properly with expected behavior.

What could be possibly going wrong with the usage of boost on QT ? Please help !

-Thanks

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Hi Manuel, please do not top quote. Thanks! Am Montag, 20. Oktober 2014, 12:55:40 schrieb Kavita:

Thanks for the all the replies and very sorry for my late reply.

I am using Windows 7, QT creator uses compiler of Visual Studio 2010. Do I still require MingW ?

No, this is a valid combination.

Also, I have downloaded binaries of Boost, so should I download a complete version of it and then build using bjam ?

The binaries are usually sufficient for standard builds.

...

2014-10-17 15:22 GMT+02:00 Kavita :

...

Hello,

I am working on a project of boost unit testing framework using QT creator. I have written a small test program and trying to link "libboost_unit_test_framework-vc100-mt-gd-1_56.lib". This library is present at specified path. But program fails to compile giving said linking error. I searched on net and found that, error should go with "#define BOOST_ALL_NO_LIB".

BOOST_ALL_NO_LIB disables autolinking support. Autolinking support usually works fine on Windows. Please take a look at http://www.boost.org/doc/libs/1_56_0/more/getting_started/windows.html for decoding the information in the library file name. Please attach the complete linker output next time. Partial information is not helpfull at all.

...

...

But then, I am getting below error:

main.obj:-1: error: LNK2019: unresolved external symbol "class boost::unit_test::test_suite * __cdecl init_unit_test_suite(int,char * * const)" (?init_unit_test_suite@@YAPAVtest_suite@unit_test@boost@@HQAPAD@Z) referenced in function _main

The above function is a part of "libboost_unit_test_framework-vc100-mt-gd-1_56.lib".

I have written same unit tests using VS 2010 and with the same boost libraries. The program worked properly with expected behavior.

Then you have different compiler settings. Please compare the generated commandline of Visual Studio and QtCreator. Both should use the same set of flags and link against the same libraries. If this fails, make a minimal test case of your QtCreator project. Yours, Jürgen -- * Dipl.-Math. Jürgen Hunold ! * voice: ++49 4257 300 ! Fährstraße 1 * fax : ++49 4257 300 ! 31609 Balge/Sebbenhausen * jhunold@gmx.eu ! Germany