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POStill the link errors about Intel-MKL
 

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  1. POStill the link errors about Intel-MKL
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    <p>This is the configuration of QT project:</p> <pre><code> unix { INCLUDEPATH += /opt/intel/mkl/include LIBS += -L/opt/intel/mkl/lib/intel64 \ -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core -lmkl_def \ -liomp5 -lpthread -ldl -lm } </code></pre> <p>And the errors is <img src="https://i.stack.imgur.com/nSWSM.jpg" alt="intel-mkl-link-error"></p> <p>I hve linked the <code>-lm</code> flag, why?</p> <p><strong>UPDATED:</strong></p> <pre><code> ubuntu@ubuntu-desktop:/opt/intel/mkl/tools$ ./mkl_link_tool -check_mkl_presence Intel(R) Math Kernel Library (Intel(R) MKL) Link Tool v4.0 ========================================================== Unknown mode. Specify -libs, -opts, -env or compilation line Configuration ============= MKL version: 11.1 OS: lnx Architecture: intel64 Compiler: intel_f Linking: dynamic Interface layer: lp64 Parallel: yes OpenMP library: iomp5 ubuntu@ubuntu-desktop:/opt/intel/mkl/tools$ ./mkl_link_tool -check_mkl_presence -libs -opts -env Intel(R) Math Kernel Library (Intel(R) MKL) Link Tool v4.0 ========================================================== Output ====== Compiler option(s): -I/opt/intel/composer_xe_2013_sp1.0.080/mkl/include Linking line: -L/opt/intel/composer_xe_2013_sp1.0.080/mkl/lib/intel64 -lmkl_intel_lp64 -lmkl_intel_thread -lmkl_core -openmp -lpthread -lm Environment variable(s): export LD_LIBRARY_PATH=/opt/intel/composer_xe_2013_sp1.0.080/mkl/../compiler/lib/intel64:/opt/intel/composer_xe_2013_sp1.0.080/mkl/lib/intel64:$LD_LIBRARY_PATH; ubuntu@ubuntu-desktop:/opt/intel/mkl/tools$ </code></pre> <p><strong>UPDATED2:</strong></p> <pre><code> ubuntu@ubuntu-desktop:/opt/intel/mkl/lib/intel64$ ldd libmkl_core.so linux-vdso.so.1 =&gt; (0x00007fff2b589000) libdl.so.2 =&gt; /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fe268d8d000) libc.so.6 =&gt; /lib/x86_64-linux-gnu/libc.so.6 (0x00007fe2689ce000) /lib64/ld-linux-x86-64.so.2 (0x00007fe26a50c000) ubuntu@ubuntu-desktop:/opt/intel/mkl/lib/intel64$ </code></pre> <p>I have used the <code>ldd</code> command to see what libraries are needed by libmkl_core.so, it doesn't show the libm.so or math library. Why In the Qt creator, it shows <code>undefined reference to 'logf'</code>?</p>
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    1. COYou could add more related and popular tags like `c++` `qt`. Otherwise no one except for who follows `intel-mkl` will see your questions. That's how StackOverflow works.
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      1. POStill the link errors about Intel-MKL
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    2. COAnother suggestion is try to provide the low level `gcc` compile and link command line generated by your IDE. That will give more info.
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      1. POStill the link errors about Intel-MKL
      1. USkangshiyin
 

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