On Fri, Mar 20, 2015 at 4:07 AM, Jeon <sjeon87+gnura...@gmail.com> wrote:
> In my out-of-tree module (in develop) > > I want to use Reed-Solomon encoder and decoder from [gr-dvbt]( > https://github.com/BogdanDIA/gr-dvbt) > > I've successfully installed gr-dvbt. > > In my code, it contains: > > #include <dvbt/reed_solomon_enc.h> > #include <dvbt/reed_solomon_dec.h> > #include <dvbt/reed_solomon.h> > > and variable declaration: > > reed_solomon::reed_solomon d_rs(rs_p, rs_m, gfpoly, phy.rs_n, > phy.rs_k, phy.rs_t2 / 2, phy.rs_s, blocks); > > and so on. > > When I build my module with `make` command, the following errors appear: > > gr-mymodule/lib/utils.cc: In function ‘void outer_encode(char*, char*, > tx_param&, phy_param&)’: > gr-mymodule/lib/utils.cc:170:3: error: ‘reed_solomon’ has not been > declared > reed_solomon::reed_solomon d_rs(rs_p, rs_m, gfpoly, phy.rs_n, > phy.rs_k, phy.rs_t2 / 2, phy.rs_s, blocks); // gr-dvbt > ^ > > I think I need to modify CMakeLists.txt in somewhere and somehow to tell > 'I will be using gr-dvbt', but I have no idea to do it. > > Does anyone have an idea for my problem? > > Regards, > Jeon. > I haven't tested this, just looked at the code, so not sure this is the full answer. You're using reed_solomon as the namespace, which it's not; it's the class name under the dvbt namespace. Try calling it like: dvbt::reed_solomon d_rs(...) You will have to link against the dvbt library in the CMakeLists.txt file (in the lib/ directory), but this is a compiler error, not a linker error. Tom
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