Re: [Discuss-gnuradio] compiling gnuradio with gcc-4.5

[Sim IJskes]

On 24-03-11 08:56, Sim IJskes wrote:
> I've tried to build gnuradio under debian sid, and it fails during
> linking. Debian has changed the DSO linking defaults:
>
> http://wiki.debian.org/ToolChain/DSOLinking
>
> My first guess is, this is causing the linkage problem. Compiling with
> gcc-4.4 is no option, because it will not link with libboost then.
>
> If you have compiled with gcc-4.5 already, and found a quick fix, or no
> problems, or any other outcome, please let us know?

Compiling from tag v3.3.1

The error is:

/bin/bash ../../libtool --tag=CXX   --mode=link g++ -g -O2  -Wall 
-Woverloaded-virtual -pthread   -o usrp_rx_cfile usrp_rx_cfile.o 
../../gr-usrp/src/libgnuradio-usrp.la -L/usr/lib -lboost_program_options-mt
libtool: link: g++ -g -O2 -Wall -Woverloaded-virtual -pthread -o 
.libs/usrp_rx_cfile usrp_rx_cfile.o 
../../gr-usrp/src/.libs/libgnuradio-usrp.so -L/usr/lib 
-lboost_program_options-mt -pthread
/usr/bin/ld: usrp_rx_cfile.o: undefined reference to symbol 
'gr_top_block::gr_top_block(std::basic_string<char, 
std::char_traits<char>, std::allocator<char> > const&)'
/usr/bin/ld: note: 'gr_top_block::gr_top_block(std::basic_string<char, 
std::char_traits<char>, std::allocator<char> > const&)' is defined in 
DSO 
//home/sim/gnuradio/gnuradio/gnuradio-core/src/lib/.libs/libgnuradio-core-3.3.1.so.0 
so try adding it to the linker command line
//home/sim/gnuradio/gnuradio/gnuradio-core/src/lib/.libs/libgnuradio-core-3.3.1.so.0: 
could not read symbols: Invalid operation