<p>CMakeFiles/mlpack_adaboost.dir/adaboost_main.cpp.o:(.rodata._ZTVN5boost15program_options11typed_valueIdcEE[_ZTVN5boost15program_options11typed_valueIdcEE]+0x40): undefined reference to <code>boost::program_options::value_semantic_codecvt_helper&lt;char&gt;::parse(boost::any&amp;, std::vector&lt;std::string, std::allocator&lt;std::string&gt; &gt; const&amp;, bool) const'<br>
../../../../lib/libmlpack.so.2.0: undefined reference to</code>boost::program_options::detail::cmdline::cmdline(std::vector &gt; const&amp;)'<br>
../../../../lib/libmlpack.so.2.0: undefined reference to <code>boost::program_options::options_description::options_description(std::string const&amp;, unsigned int, unsigned int)'<br>
../../../../lib/libmlpack.so.2.0: undefined reference to</code>boost::program_options::detail::cmdline::set_additional_parser(boost::function1, std::string const&amp;&gt;)'<br>
../../../../lib/libmlpack.so.2.0: undefined reference to <code>boost::program_options::to_internal(std::string const&amp;)'<br>
../../../../lib/libmlpack.so.2.0: undefined reference to</code>boost::program_options::abstract_variables_map::operator const'<br>
collect2: error: ld returned 1 exit status<br>
src/mlpack/methods/adaboost/CMakeFiles/mlpack_adaboost.dir/build.make:99: recipe for target 'bin/mlpack_adaboost' failed<br>
make[2]: *** [bin/mlpack_adaboost] Error 1<br>
CMakeFiles/Makefile2:798: recipe for target 'src/mlpack/methods/adaboost/CMakeFiles/mlpack_adaboost.dir/all' failed<br>
make[1]: *** [src/mlpack/methods/adaboost/CMakeFiles/mlpack_adaboost.dir/all] Error 2<br>
Makefile:127: recipe for target 'all' failed<br>
make: *** [all] Error 2</p>

<p>I was trying to build ml-pack and after building some of the methods(27%) it stopped when it started building adaboost<br>
system-arch linux<br>
all dependencies for ml-pack installed <br>
above is the error output.<br>
Please help</p>

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