BZS, This error indicates that you aren't linking against the boost filesystem library.
In the CMakeLists.txt file within the "lib" directory of the custom block, there will be a section that looks similar to this: target_link_libraries( ${GNURADIO_RUNTIME_LIBRARIES} ) This indicates that On Sun, Mar 2, 2014 at 5:48 PM, 猪猪猪猪猪猪头 <794226...@qq.com> wrote: > hi, > when i install a new block ,try "make",i got these errors: > CMakeFiles/test-scramble.dir/test_scramble.cc.o: In function > `boost::filesystem::operator/(boost::filesystem::path const&, > boost::filesystem::path const&)': > test_scramble.cc:(.text._ZN5boost10filesystemdvERKNS0_4pathES3_[boost::filesystem::operator/(boost::filesystem::path > const&, boost::filesystem::path const&)]+0x29): undefined reference to > `boost::filesystem::path::operator/=(boost::filesystem::path const&)' > CMakeFiles/test-scramble.dir/test_scramble.cc.o: In function `main': > test_scramble.cc:(.text.startup+0x8a): undefined reference to > `boost::filesystem::detail::current_path(boost::system::error_code*)' > test_scramble.cc:(.text.startup+0xdc): undefined reference to > `boost::filesystem::detail::status(boost::filesystem::path const&, > boost::system::error_code*)' > test_scramble.cc:(.text.startup+0xf8): undefined reference to > `boost::filesystem::detail::create_directory(boost::filesystem::path > const&, boost::system::error_code*)' > > what does this mean?how to solve it? > BZS > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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